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description Publicationkeyboard_double_arrow_right Article 2023Publisher:Wiley Hongbo Qin; Hengju Qiu; Ke Liu; Bixia Hong; Yuchen Liu; Chun Li; Mengzhe Li; Xiaoping An; Lihua Song; Eric Robert; Yigang Tong; Huahao Fan; Ruixue Wang;doi: 10.1002/exp.20230012
AbstractCOVID‐19 is currently pandemic and the detection of SARS‐CoV‐2 variants in wastewater is causing widespread concern. Herein, cold atmospheric plasma (CAP) is proposed as a novel wastewater disinfection technology that effectively inactivates SARS‐CoV‐2 transcription‐ and replication‐competent virus‐like particles, coronavirus GX_P2V, pseudotyped SARS‐CoV‐2 variants, and porcine epidemic diarrhoea virus in a large volume of water within 180 s (inhibition rate > 99%). Further, CAP disinfection did not adversely affect the viability of various human cell lines. It is identified that CAP produced peroxynitrite (ONOO−), ozone (O3), superoxide anion radicals (O2−), and hydrogen peroxide (H2O2) as the major active substances for coronavirus disinfection. Investigation of the mechanism showed that active substances not only reacted with the coronavirus spike protein and affected its infectivity, but also destroyed the nucleocapsid protein and genome, thus affecting virus replication. This method provides an efficient and environmentally friendly strategy for the elimination of SARS‐CoV‐2 and other coronaviruses from wastewater.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/exp.20230012&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 FrancePublisher:Frontiers Media SA Jia Luo; Jia Luo; Daiyun Peng; Lei Shi; Lei Shi; Didier El Baz; Xinran Liu;The COVID-19 infodemic, characterized by the rapid spread of misinformation and unverified claims related to the pandemic, presents a significant challenge. This paper presents a comparative analysis of the COVID-19 infodemic in the English and Chinese languages, utilizing textual data extracted from social media platforms. To ensure a balanced representation, two infodemic datasets were created by augmenting previously collected social media textual data. Through word frequency analysis, the thirty-five most frequently occurring infodemic words are identified, shedding light on prevalent discussions surrounding the infodemic. Moreover, topic clustering analysis uncovers thematic structures and provides a deeper understanding of primary topics within each language context. Additionally, sentiment analysis enables comprehension of the emotional tone associated with COVID-19 information on social media platforms in English and Chinese. This research contributes to a better understanding of the COVID-19 infodemic phenomenon and can guide the development of strategies to combat misinformation during public health crises across different languages. International audience
Mémoires en Sciences... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2023Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2023License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Mémoires en Sciences... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2023Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2023License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3389/fpubh.2023.1281259&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 FrancePublisher:American Society for Microbiology Dominique Mahé; Salomé Bourgeau; Janaina da Silva; Julie Schlederer; Anne-Pascale Satie; Nadège Kuassivi; Romain Mathieu; Yves-Marie Guillou; Anna Le Tortorec; Florence Guivel-Benhassine; Olivier Schwartz; Ingrid Plotton; Nathalie Dejucq-Rainsford;SARS-CoV-2, the etiological agent of the ongoing Covid-19 pandemic, is a respiratory virus that infects several organs beyond the lungs. The alterations of semen parameters, testicular morphology, and testosteronemia reported in Covid-19 patients, along with the high expression of SARS-CoV-2 main receptor ACE2 in the testis, raise questions about the underlying mechanisms. Using a previously validated ex vivo model of human testis, we show that SARS-CoV-2 infects ACE2-positive Leydig and Sertoli cells. Slow virus replication kinetics were observed, with a peak of infection at day 6 post-infection and a decline of infectious virions at day 9. The infection had no major impact on testicular morphology or main hormonal functions, but some steroidogenic enzymes were decreased at day 9. While antiviral effectors were upregulated, there was no transcriptional induction of key pro-inflammatory cytokines. Altogether, these data indicate that SARS-CoV-2 replication in the human testis ex vivo is limited and suggest that testicular damages in infected individuals are unlikely to result from direct deleterious effects of SARS-CoV-2 on this organ. International audience
Journal of Virology arrow_drop_down HAL-Rennes 1; HAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04285464/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routeshybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Journal of Virology arrow_drop_down HAL-Rennes 1; HAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04285464/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1128/jvi.01104-23&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 FrancePublisher:American Chemical Society (ACS) Jingxin Chen; Ying Zhou; Xueying Wei; Xiaohan Xu; Zhenzhi Qin; Chon Phin Ong; Zi-Wei Ye; Dong-Yan Jin; Bernard Boitrel; Shuofeng Yuan; Jasper F.-W. Chan; Hongyan Li; Hongzhe Sun;pmid: 37897418
SARS-CoV-2 nsp14 functions both as an exoribonuclease (ExoN) together with its critical cofactor nsp10 and as an S-adenosyl methionine-dependent (guanine-N7) methyltransferase (MTase), which makes it an attractive target for the development of pan-anti-SARS-CoV-2 drugs. Herein, we screened a panel of compounds (and drugs) and found that certain compounds, especially Bi(III)-based compounds, could allosterically inhibit both MTase and ExoN activities of nsp14 potently. We further demonstrated that Bi(III) binds to both nsp14 and nsp10, resulting in the release of Zn(II) ions from the enzymes as well as alternation of protein quaternary structures. The in vitro activities of the compounds were also validated in SARS-CoV-2-infected mammalian cells. Importantly, we showed that nsp14 serves as an authentic target of Bi(III)-based antivirals in SARS-CoV-2-infected mammalian cells by quantification of both the protein and inhibitor. This study highlights the importance of nsp14/nsp10 as a potential target for the development of pan-antivirals against SARS-CoV-2 infection. International audience
ACS Infectious Disea... arrow_drop_down ACS Infectious DiseasesArticle . 2023 . Peer-reviewedLicense: STM Policy #29Data sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesbronze 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert ACS Infectious Disea... arrow_drop_down ACS Infectious DiseasesArticle . 2023 . Peer-reviewedLicense: STM Policy #29Data sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/acsinfecdis.3c00356&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023Publisher:Wiley Charles‐Henry Miquel; Flora Abbas; Claire Cenac; Charlotte Foret‐Lucas; Chang Guo; Mariette Ducatez; Etienne Joly; Baidong Hou; Jean‐Charles Guéry;pmid: 37438976
The peer review history for this article is available at: https://publons.com/publon/10.1002/eji.202350437.; International audience; Toll-like receptor 7 (TLR7) triggers innate and adaptive antiviral immune responses through its capacity to recognize single-stranded RNA. TLR7 loss-of-function mutants have been described as associated with life threatening pneumonia in severe COVID-19 patients. Whereas it is clear that TLR7-driven innate induction of type I IFN appears central to control SARS-CoV2 virus spreading during the first few days of infection, the impact of TLR7-deficiency on adaptive B cell immunity is less clear. In the present study, we examined the role of TLR7 in the adaptive B cells response to various pathogen-like antigens (PLAs). We used inactivated SARS-CoV2 and a PLA-based COVID-19 vaccine candidate designed to mimic SARS-CoV2 with encapsulated bacterial ssRNA as TLR7 ligands and conjugated with the RBD of the SARS-CoV2 Spike protein. Upon repeated immunization with inactivated SARS-CoV2 or PLA COVID-19 vaccine, our data show that Tlr7-deficiency abolished the germinal center (GC) dependent production of RBD-specific class-switched IgG2b and IgG2c, and neutralizing antibodies to SARS-CoV2. In an adoptive transfer model, we also provide evidence for a non-redundant role for B cell-intrinsic TLR7 in the promotion of RBD-specific IgG2b/IgG2c and memory B cells. Together, these data demonstrate that the induction of GC reaction and class-switch recombination to the Myd88-dependent IgG2b/IgG2c in response to SARS-CoV2 or PLAs is strictly dependent on cell-intrinsic activation of TLR7 in B cells.
European Journal of ... arrow_drop_down European Journal of ImmunologyArticle . 2023 . Peer-reviewedLicense: CC BY NC NDData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BY NCFull-Text: https://hal.inrae.fr/hal-04163592v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/eji.202350437&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert European Journal of ... arrow_drop_down European Journal of ImmunologyArticle . 2023 . Peer-reviewedLicense: CC BY NC NDData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BY NCFull-Text: https://hal.inrae.fr/hal-04163592v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/eji.202350437&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 QatarPublisher:Frontiers Media SA Funded by:EC | BBCEEC| BBCEMaha El Tantawi; Walter Yu Hang Lam; Nicolas Giraudeau; Jorma I. Virtanen; Cleopatra Matanhire; Timothy Chifamba; Wael Sabbah; Noha Gomaa; Sadeq Ali Al-Maweri; Sergio E. Uribe; Sergio E. Uribe; Sergio E. Uribe; Simin Z. Mohebbi; Noren Hasmun; Guangzhao Guan; Ajith Polonowita; Sadika Begum Khan; Massimo Pisano; Passent Ellakany; Marwa Mohamed Baraka; Abdalmawla Alhussin Ali; José Eduardo Orellana Centeno; Verica Pavlic; Morenike Oluwatoyin Folayan;Aim: The COVID-19 pandemic has accelerated teledentistry research with great interest reflected in the increasing number of publications. In many countries, teledentistry programs were established although not much is known about the extent of incorporating teledentistry into practice and healthcare systems. This study aimed to report on policies and strategies related to teledentistry practice as well as barriers and facilitators for this implementation in 19 countries. Methods: Data were presented per country about information and communication technology (ICT) infrastructure, income level, policies for health information system (HIS), eHealth and telemedicine. Researchers were selected based on their previous publications in teledentistry and were invited to report on the situation in their respective countries including Bosnia and Herzegovina, Canada, Chile, China, Egypt, Finland, France, Hong Kong SAR, Iran, Italy, Libya, Mexico, New Zealand, Nigeria, Qatar, Saudi Arabia, South Africa, United Kingdom, Zimbabwe. Results: Ten (52.6%) countries were high income, 11 (57.9%) had eHealth policies, 7 (36.8%) had HIS policies and 5 (26.3%) had telehealth policies. Six (31.6%) countries had policies or strategies for teledentistry and no teledentistry programs were reported in two countries. Teledentistry programs were incorporated into the healthcare systems at national (n = 5), intermediate (provincial) (n = 4) and local (n = 8) levels. These programs were established in three countries, piloted in 5 countries and informal in 9 countries. Conclusion: Despite the growth in teledentistry research during the COVID-19 pandemic, the use of teledentistry in daily clinical practice is still limited in most countries. Few countries have instituted teledentistry programs at national level. Laws, funding schemes and training are needed to support the incorporation of teledentistry into healthcare systems to institutionalize the practice of teledentistry. Mapping teledentistry practices in other countries and extending services to under-covered populations increases the benefit of teledentistry. 2023 El Tantawi, Lam, Giraudeau, Virtanen, Matanhire, Chifamba, Sabbah, Gomaa, Al-Maweri, Uribe, Mohebbi, Hasmun, Guan, Polonowita, Khan, Pisano, Ellakany, Baraka, Ali, Orellana Centeno, Pavlic and Folayan. SEU acknowledges financial support from the European Union's Horizon 2020 Research and Innovation Programme under grant agreement no. 857287. Scopus
Frontiers in Oral He... arrow_drop_down Frontiers in Oral Health; ZENODOOther literature type . Article . 2023 . Peer-reviewedLicense: CC BYQatar University Institutional RepositoryArticle . 2023Data sources: Qatar University Institutional Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 9 citations 9 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Frontiers in Oral He... arrow_drop_down Frontiers in Oral Health; ZENODOOther literature type . Article . 2023 . Peer-reviewedLicense: CC BYQatar University Institutional RepositoryArticle . 2023Data sources: Qatar University Institutional Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 Netherlands, Germany, France, Germany, Norway, United Kingdom, Norway, ItalyPublisher:American Association for the Advancement of Science (AAAS) Funded by:EC | AfricanBioServices, EC | FFP-BSSEC| AfricanBioServices ,EC| FFP-BSSMarlee A. Tucker; Aafke M. Schipper; Tempe S. F. Adams; Nina Attias; Tal Avgar; Natarsha L. Babic; Kristin J. Barker; Guillaume Bastille-Rousseau; Dominik M. Behr; Jerrold L. Belant; Dean E. Beyer; Niels Blaum; J. David Blount; Dirk Bockmühl; Ricardo Luiz Pires Boulhosa; Michael B. Brown; Bayarbaatar Buuveibaatar; Francesca Cagnacci; Justin M. Calabrese; Rok Černe; Simon Chamaillé-Jammes; Aung Nyein Chan; Michael J. Chase; Yannick Chaval; Yvette Chenaux-Ibrahim; Seth G. Cherry; Duško Ćirović; Emrah Çoban; Eric K. Cole; Laura Conlee; Alyson Courtemanch; Gabriele Cozzi; Sarah C. Davidson; Darren DeBloois; Nandintsetseg Dejid; Vickie DeNicola; Arnaud L. J. Desbiez; Iain Douglas-Hamilton; David Drake; Michael Egan; Jasper A.J. Eikelboom; William F. Fagan; Morgan J. Farmer; Julian Fennessy; Shannon P. Finnegan; Christen H. Fleming; Bonnie Fournier; Nicholas L. Fowler; Mariela G. Gantchoff; Alexandre Garnier; Benedikt Gehr; Chris Geremia; Jacob R. Goheen; Morgan L. Hauptfleisch; Mark Hebblewhite; Morten Heim; Anne G. Hertel; Marco Heurich; A. J. Mark Hewison; James Hodson; Nicholas Hoffman; J. Grant C. Hopcraft; Djuro Huber; Edmund J. Isaac; Karolina Janik; Miloš Ježek; Örjan Johansson; Neil R. Jordan; Petra Kaczensky; Douglas N. Kamaru; Matthew J. Kauffman; Todd M. Kautz; Roland Kays; Allicia P. Kelly; Jonas Kindberg; Miha Krofel; Josip Kusak; Clayton T. Lamb; Tayler N. LaSharr; Peter Leimgruber; Horst Leitner; Michael Lierz; John D.C. Linnell; Purevjav Lkhagvaja; Ryan A. Long; José Vicente López-Bao; Matthias-Claudio Loretto; Pascal Marchand; Hans Martin; Lindsay A. Martinez; Roy T. McBride; Ashley A.D. McLaren; Erling Meisingset; Joerg Melzheimer; Evelyn H. Merrill; Arthur D. Middleton; Kevin L. Monteith; Seth A. Moore; Bram Van Moorter; Nicolas Morellet; Thomas Morrison; Rebekka Müller; Atle Mysterud; Michael J Noonan; David O’Connor; Daniel Olson; Kirk A. Olson; Anna C. Ortega; Federico Ossi; Manuela Panzacchi; Robert Patchett; Brent R. Patterson; Rogerio Cunha de Paula; John Payne; Wibke Peters; Tyler R. Petroelje; Benjamin J. Pitcher; Boštjan Pokorny; Kim Poole; Hubert Potočnik; Marie-Pier Poulin; Robert M. Pringle; Herbert H.T. Prins; Nathan Ranc; Slaven Reljić; Benjamin Robb; Ralf Röder; Christer M. Rolandsen; Christian Rutz; Albert R. Salemgareyev; Gustaf Samelius; Heather Sayine-Crawford; Sarah Schooler; Çağan H. Şekercioğlu; Nuria Selva; Paola Semenzato; Agnieszka Sergiel; Koustubh Sharma; Avery L. Shawler; Johannes Signer; Václav Silovský; João Paulo Silva; Richard Simon; Rachel A. Smiley; Douglas W. Smith; Erling J. Solberg; Diego Ellis-Soto; Orr Spiegel; Jared Stabach; Jenna Stacy-Dawes; Daniel R. Stahler; John Stephenson; Cheyenne Stewart; Olav Strand; Peter Sunde; Nathan J. Svoboda; Jonathan Swart; Jeffrey J. Thompson; Katrina L. Toal; Kenneth Uiseb; Meredith C. VanAcker; Marianela Velilla; Tana L. Verzuh; Bettina Wachter; Brittany L. Wagler; Jesse Whittington; Martin Wikelski; Christopher C. Wilmers; George Wittemyer; Julie K. Young; Filip Zięba; Tomasz Zwijacz-Kozica; Mark A. J. Huijbregts; Thomas Mueller;handle: 2066/293722 , 10852/102567 , 11250/3072878 , 10449/80077 , 10023/27835 , 11250/3079568
pmid: 37289888
handle: 2066/293722 , 10852/102567 , 11250/3072878 , 10449/80077 , 10023/27835 , 11250/3079568
pmid: 37289888
COVID-19 lockdowns in early 2020 reduced human mobility, providing an opportunity to disentangle its effects on animals from those of landscape modifications. Using GPS data, we compared movements and road avoidance of 2300 terrestrial mammals (43 species) during the lockdowns to the same period in 2019. Individual responses were variable with no change in average movements or road avoidance behavior, likely due to variable lockdown conditions. However, under strict lockdowns 10-day 95th percentile displacements increased by 73%, suggesting increased landscape permeability. Animals’ 1-hour 95th percentile displacements declined by 12% and animals were 36% closer to roads in areas of high human footprint, indicating reduced avoidance during lockdowns. Overall, lockdowns rapidly altered some spatial behaviors, highlighting variable but substantial impacts of human mobility on wildlife worldwide. Editor’s summary Policies to reduce human movement during the early months of the COVID-19 pandemic produced a kind of natural experiment to observe how human activities affect animal behavior. Using GPS tracking data from 2300 individual mammals of 43 species, Tucker et al . documented changes in mammal movement patterns during the spring of 2020 compared with the previous year (see the Perspective by St. Clair and Raymond). In locations with strict lockdown policies, animals traveled longer distances during the lockdown period. In highly populated areas, mammals moved less frequently and were closer to roads than they were before the pandemic. These results demonstrate how human activities constrain animal movement and what happens when those activities cease. —Bianca Lopez GPS tracking of mammals over five continents shows how animal movements changed during COVID-19 lockdowns.
Research@WUR; Archiv... arrow_drop_down Publikationenserver der Georg-August-Universität GöttingenArticle . 2023St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 13 citations 13 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 14visibility views 14 download downloads 16 Powered bymore_vert Research@WUR; Archiv... arrow_drop_down Publikationenserver der Georg-August-Universität GöttingenArticle . 2023St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 United Kingdom, ItalyPublisher:SAGE Publications Authors: Celina Smith; Emanuela Rondi; Alfredo De Massis; Mattias Nordqvist;Celina Smith; Emanuela Rondi; Alfredo De Massis; Mattias Nordqvist;handle: 10446/243629
The role of organizational resilience enabling firms to respond to adversity and survive has become ever more critical in the wake of an increasingly unpredictable external environment. Yet, while we understand the importance of resilience in responding to a major adversity, we have little appreciation for how firms are affected and react when facing multiple adversities over time, or how multilevel factors might impose on this process. These are crucial issues given that adversities are not necessarily single, isolated, or infrequent episodes. By studying a long-established family firm in the United Kingdom that experienced four major adversities, we identify the process that enabled it not only to survive but also to thrive. In this qualitative study, we introduce the notion of organizational fortitude to describe the approach that a firm develops to cope with the challenges of multiple unexpected adversities and highlight how multilevel factors combine to foster organizational fortitude. In the early months of this year, we could see this thing [Covid-19 pandemic] coming and the immediate feeling was oh God, here we go again, another crisis, you know . . . it's quite funny because when I tell people about the fire, the flood . . . the compulsory purchase, everyone says, “What about the plague of locusts?” Well, now we have the plague as well! It's just another catastrophic event to deal with. So we felt that we’re quite good at handling these crises and here goes, we know how to deal with it, you’ve just got to be flexible and determined just to do whatever you need to do to make sure that you can survive it as a family firm. —Lance Forman, CEO, H. Forman & Sons This quote illustrates a situation that more and more organizations face today—frequent, diverse, and often unpredictable adversities. To meet increasing and often unanticipated adversities, organizations need to be resilient (Lengnick-Hall & Beck, 2005; Linnenluecke, 2017; Raetze, Duchek, Maynard, & Wohlgemuth, 2022). Scholars define resilience as “the process by which an actor (i.e., individual, organization, or community) builds and uses its capability endowments to interact with the environment in a way that positively adjusts and maintains functioning prior to, during, and following adversity” (Williams, Gruber, Sutcliffe, Shepherd, & Zhao, 2017: 742). Research on resilience has gained momentum (Hillmann & Guenther, 2021; Raetze et al., 2022) in the wake of events such as the 9/11 terrorist attack in 2001 (e.g., Gittell, Cameron, Lim, & Rivas, 2006), the global financial crisis in 2008 (e.g., DesJardine, Bansal, & Yang, 2019), and the COVID-19 pandemic that emerged in 2019 (e.g., Branzei & Fathallah, 2021; Mithani, 2020). Indeed, scholars have noted that when an organization is challenged by such adversity, a fault line can be traced between its past evolution (before) and its future change (after) (Lengnick-Hall, Beck, & Lengnick-Hall, 2011; Roux-Dufort, 2007; Williams et al., 2017). Accordingly, prior research is characterized by a schism between studies focusing on the pre-adversity period (e.g., Almklov & Antonsen, 2010) and those examining the postadversity period (e.g., DesJardine et al., 2019; Shepherd & Williams, 2014), considering the “moment of resilience” (Boin, Comfort, & Demchak, 2010: 7) as the turning point between the two periods. Research on organizational resilience has thus far mostly adopted the single organizational level of analysis and the adverse circumstance as the unit of analysis—for example, earthquake (Salvato, Sargiacomo, Amore, & Minichilli, 2020; Williams & Shepherd, 2016), bushfire (Shepherd & Williams, 2014), global financial crisis (DesJardine et al., 2019; Sajko, Boone, & Buyl, 2021), or pandemic (Mithani, 2020; Rao & Greve, 2018)—but only considering single adversities that organizations need to address. However, adversities are neither episodic nor infrequent, and the same organization, especially long-lasting ones, can often experience more than one adversity in its lifetime. Consequently, we only have limited understanding of the resilient responses that organizations need to employ when facing multiple adversities over time. This limited understanding is particularly regretful, as the event-based or episodic view of resilience advanced in prior research is unlikely to apply in the more realistic and frequent scenario of multiple adversities. In fact, this research falls short in explaining how an organization might build on one adversity to face the next one or, more specifically, how undergoing one adversity might lead to building and deploying resilience when facing the next adversity. Furthermore, overlooking resilience in the context of organizations facing multiple adversities over time hinders our understanding of whether what happens and develops between two adversities is important, and why. Accordingly, we ask the following research questions: How can an organization be resilient over time through multiple adversities? What key mechanisms explain such resilience? As an organizational form, long-lasting family firms are particularly relevant for studying resilience over time (e.g., Salvato et al., 2020), as they are more likely to have been challenged by multiple adversities throughout their journey. The coupling of family and business systems (e.g., Habbershon, Williams, & MacMillan, 2003) places much at stake for family firms compared to other types of organizations. In particular, as they are handed down across generations through intra-family succession (Chua, Chrisman, & Sharma, 1999), their long-term orientation and strong commitment (Le Breton-Miller & Miller, 2006; Lumpkin & Brigham, 2011) incentivize them to overcome adversities—striving and surviving to ensure longevity—and thereby building resilience (Chrisman, Chua, & Steier, 2011). Indeed, under adverse circumstances, their owners face the prospect of losing not just financial wealth but also the emotional and relational aspects that tie the family to the firm (Berrone, Cruz, & Gomez-Mejia, 2012; De Massis & Rondi, 2020). This leads family business owners to place a great deal on the line both socioemotionally and financially in the belief that much more could be lost otherwise (Azouz, Antheaume, & Charles-Pauvers, 2022; Conz, Lamb, & De Massis, 2020; Czakon, Hajdas, & Radomska, 2022). Consequently, family firms work more assiduously than other types of organizations to protect their business when going through adversity (e.g., Lins, Volpin, & Wagner, 2013), making them particularly relevant for our research questions (Neubaum & Payne, 2021). To conduct our study, we first identified a major adversity that was viewed as a threat to survival—in this case, by firms forced to leave their location due to the staging of the London 2012 Olympics on their land. We explored firms threatened by the Games and selected one that played a leading role in the dispute, is more than 100 years old, and has passed through four generations of family ownership. From its base in East London, the firm produced and sold smoked salmon and, as we discovered, had endured other major adversities. This offered an appropriate opportunity to study multiple adversities at multiple levels. Empirically, we integrated interviews, archival data, and observations to generate deep insights from the complex phenomenon investigated (Edmondson & McManus, 2007), including how the adversities unfolded over time—how actors prepared, faced, responded, and coped with these. Drawing on our analysis, we unpack the process through which a family firm manifests resilience throughout multiple adversities. Specifically, we reveal the multilevel mechanisms involving the family, the business, and individual leader (Habbershon et al., 2003) enabling the family firm to be resilient over time. In addition, we introduce a new concept, organizational fortitude, to describe a resilience-building approach to cope with the challenges of multiple unexpected adversities. Our study makes several contributions. First, introducing the notion of organizational fortitude and highlighting the multilevel nature of organizational resilience (Raetze et al., 2022; Stoverink, Kirkman, Mistry, & Rosen, 2020; Williams et al., 2017), we unveil the mechanisms through which the family, the business, and individual leader—acting as a linchpin between the family and business—contributed to developing organizational fortitude allowing the family firm to manifest resilience. Linchpins play a central role, not only by connecting the family and the business but also driving the goals, motivating organizational actors, and bringing family capabilities into the business, thus embodying organizational fortitude. Second, we extend current understanding of organizational resilience through a process approach that encompasses multiple adversities, explaining their reinvigorating effect for an organization. To the best of our knowledge, this is the first study to longitudinally consider resilience across multiple adversities. Our research also offers implications for resilience in other types of organizations positioned at the intersection of multiple systems.
Lancaster EPrints arrow_drop_down Journal of Management; Archivio Istituzionale Università di BergamoArticle . 2023 . Peer-reviewedLicense: SAGE TDMArchivio Istituzionale Università di BergamoArticle . 2023Data sources: Archivio Istituzionale Università di Bergamoadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 14visibility views 14 download downloads 151 Powered bymore_vert Lancaster EPrints arrow_drop_down Journal of Management; Archivio Istituzionale Università di BergamoArticle . 2023 . Peer-reviewedLicense: SAGE TDMArchivio Istituzionale Università di BergamoArticle . 2023Data sources: Archivio Istituzionale Università di Bergamoadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 France, United StatesPublisher:Springer Science and Business Media LLC Biqing Zhu; Zhu Deng; Xuanren Song; Wenli Zhao; Da Huo; Taochun Sun; Piyu Ke; Duo Cui; Chenxi Lu; Haiwang Zhong; Chaopeng Hong; Jian Qiu; Steven J. Davis; Pierre Gentine; Philippe Ciais; Zhu Liu;pmid: 37069166
pmc: PMC10108797
We constructed a frequently updated, near-real-time global power generation dataset: CarbonMonitor-Power since January, 2016 at national levels with near-global coverage and hourly-to-daily time resolution. The data presented here are collected from 37 countries across all continents for eight source groups, including three types of fossil sources (coal, gas, and oil), nuclear energy and four groups of renewable energy sources (solar energy, wind energy, hydro energy and other renewables including biomass, geothermal, etc.). The global near-real-time power dataset shows the dynamics of the global power system, including its hourly, daily, weekly and seasonal patterns as influenced by daily periodical activities, weekends, seasonal cycles, regular and irregular events (i.e., holidays) and extreme events (i.e., the COVID-19 pandemic). The CarbonMonitor-Power dataset reveals that the COVID-19 pandemic caused strong disruptions in some countries (i.e., China and India), leading to a temporary or longlasting shift to low carbon intensity, while it had only little impact in some other countries (i.e., Australia). This dataset offers a large range of opportunities for power-related scientific research and policy-making. International audience
Mémoires en Sciences... arrow_drop_down eScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of Californiaadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert Mémoires en Sciences... arrow_drop_down eScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of Californiaadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2023 FrancePublisher:AIP Publishing Authors: Jiachen Ye; Peng Ji; Marc Barthelemy;Jiachen Ye; Peng Ji; Marc Barthelemy;pmid: 37097969
The airline industry was severely hit by the COVID-19 crisis with an average demand decrease of about $64\%$ (IATA, April 2020) which triggered already several bankruptcies of airline companies all over the world. While the robustness of the world airline network (WAN) was mostly studied as an homogeneous network, we introduce a new tool for analyzing the impact of a company failure: the `airline company network' where two airlines are connected if they share at least one route segment. Using this tool, we observe that the failure of companies well connected with others has the largest impact on the connectivity of the WAN. We then explore how the global demand reduction affects airlines differently, and provide an analysis of different scenarios if its stays low and does not come back to its pre-crisis level. Using traffic data from the Official Aviation Guide (OAG) and simple assumptions about customer's airline choice strategies, we find that the local effective demand can be much lower than the average one, especially for companies that are not monopolistic and share their segments with larger companies. Even if the average demand comes back to $60\%$ of the total capacity, we find that between $46\%$ and $59\%$ of the companies could experience a reduction of more than $50\%$ of their traffic, depending on the type of competitive advantage that drives customer's airline choice. These results highlight how the complex competitive structure of the WAN weakens its robustness when facing such a large crisis. Comment: 12 pages, 7 main figures (+5 figures in appendix)
arXiv.org e-Print Ar... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2020Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: DataciteChaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023Data sources: Europe PubMed CentralHyper Article en Ligne; Hal-DiderotOther literature type . Preprint . 2021Chaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert arXiv.org e-Print Ar... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2020Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: DataciteChaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023Data sources: Europe PubMed CentralHyper Article en Ligne; Hal-DiderotOther literature type . Preprint . 2021Chaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Article 2023Publisher:Wiley Hongbo Qin; Hengju Qiu; Ke Liu; Bixia Hong; Yuchen Liu; Chun Li; Mengzhe Li; Xiaoping An; Lihua Song; Eric Robert; Yigang Tong; Huahao Fan; Ruixue Wang;doi: 10.1002/exp.20230012
AbstractCOVID‐19 is currently pandemic and the detection of SARS‐CoV‐2 variants in wastewater is causing widespread concern. Herein, cold atmospheric plasma (CAP) is proposed as a novel wastewater disinfection technology that effectively inactivates SARS‐CoV‐2 transcription‐ and replication‐competent virus‐like particles, coronavirus GX_P2V, pseudotyped SARS‐CoV‐2 variants, and porcine epidemic diarrhoea virus in a large volume of water within 180 s (inhibition rate > 99%). Further, CAP disinfection did not adversely affect the viability of various human cell lines. It is identified that CAP produced peroxynitrite (ONOO−), ozone (O3), superoxide anion radicals (O2−), and hydrogen peroxide (H2O2) as the major active substances for coronavirus disinfection. Investigation of the mechanism showed that active substances not only reacted with the coronavirus spike protein and affected its infectivity, but also destroyed the nucleocapsid protein and genome, thus affecting virus replication. This method provides an efficient and environmentally friendly strategy for the elimination of SARS‐CoV‐2 and other coronaviruses from wastewater.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 FrancePublisher:Frontiers Media SA Jia Luo; Jia Luo; Daiyun Peng; Lei Shi; Lei Shi; Didier El Baz; Xinran Liu;The COVID-19 infodemic, characterized by the rapid spread of misinformation and unverified claims related to the pandemic, presents a significant challenge. This paper presents a comparative analysis of the COVID-19 infodemic in the English and Chinese languages, utilizing textual data extracted from social media platforms. To ensure a balanced representation, two infodemic datasets were created by augmenting previously collected social media textual data. Through word frequency analysis, the thirty-five most frequently occurring infodemic words are identified, shedding light on prevalent discussions surrounding the infodemic. Moreover, topic clustering analysis uncovers thematic structures and provides a deeper understanding of primary topics within each language context. Additionally, sentiment analysis enables comprehension of the emotional tone associated with COVID-19 information on social media platforms in English and Chinese. This research contributes to a better understanding of the COVID-19 infodemic phenomenon and can guide the development of strategies to combat misinformation during public health crises across different languages. International audience
Mémoires en Sciences... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2023Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2023License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Mémoires en Sciences... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2023Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2023License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 FrancePublisher:American Society for Microbiology Dominique Mahé; Salomé Bourgeau; Janaina da Silva; Julie Schlederer; Anne-Pascale Satie; Nadège Kuassivi; Romain Mathieu; Yves-Marie Guillou; Anna Le Tortorec; Florence Guivel-Benhassine; Olivier Schwartz; Ingrid Plotton; Nathalie Dejucq-Rainsford;SARS-CoV-2, the etiological agent of the ongoing Covid-19 pandemic, is a respiratory virus that infects several organs beyond the lungs. The alterations of semen parameters, testicular morphology, and testosteronemia reported in Covid-19 patients, along with the high expression of SARS-CoV-2 main receptor ACE2 in the testis, raise questions about the underlying mechanisms. Using a previously validated ex vivo model of human testis, we show that SARS-CoV-2 infects ACE2-positive Leydig and Sertoli cells. Slow virus replication kinetics were observed, with a peak of infection at day 6 post-infection and a decline of infectious virions at day 9. The infection had no major impact on testicular morphology or main hormonal functions, but some steroidogenic enzymes were decreased at day 9. While antiviral effectors were upregulated, there was no transcriptional induction of key pro-inflammatory cytokines. Altogether, these data indicate that SARS-CoV-2 replication in the human testis ex vivo is limited and suggest that testicular damages in infected individuals are unlikely to result from direct deleterious effects of SARS-CoV-2 on this organ. International audience
Journal of Virology arrow_drop_down HAL-Rennes 1; HAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04285464/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routeshybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Journal of Virology arrow_drop_down HAL-Rennes 1; HAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04285464/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 FrancePublisher:American Chemical Society (ACS) Jingxin Chen; Ying Zhou; Xueying Wei; Xiaohan Xu; Zhenzhi Qin; Chon Phin Ong; Zi-Wei Ye; Dong-Yan Jin; Bernard Boitrel; Shuofeng Yuan; Jasper F.-W. Chan; Hongyan Li; Hongzhe Sun;pmid: 37897418
SARS-CoV-2 nsp14 functions both as an exoribonuclease (ExoN) together with its critical cofactor nsp10 and as an S-adenosyl methionine-dependent (guanine-N7) methyltransferase (MTase), which makes it an attractive target for the development of pan-anti-SARS-CoV-2 drugs. Herein, we screened a panel of compounds (and drugs) and found that certain compounds, especially Bi(III)-based compounds, could allosterically inhibit both MTase and ExoN activities of nsp14 potently. We further demonstrated that Bi(III) binds to both nsp14 and nsp10, resulting in the release of Zn(II) ions from the enzymes as well as alternation of protein quaternary structures. The in vitro activities of the compounds were also validated in SARS-CoV-2-infected mammalian cells. Importantly, we showed that nsp14 serves as an authentic target of Bi(III)-based antivirals in SARS-CoV-2-infected mammalian cells by quantification of both the protein and inhibitor. This study highlights the importance of nsp14/nsp10 as a potential target for the development of pan-antivirals against SARS-CoV-2 infection. International audience
ACS Infectious Disea... arrow_drop_down ACS Infectious DiseasesArticle . 2023 . Peer-reviewedLicense: STM Policy #29Data sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesbronze 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert ACS Infectious Disea... arrow_drop_down ACS Infectious DiseasesArticle . 2023 . Peer-reviewedLicense: STM Policy #29Data sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023Publisher:Wiley Charles‐Henry Miquel; Flora Abbas; Claire Cenac; Charlotte Foret‐Lucas; Chang Guo; Mariette Ducatez; Etienne Joly; Baidong Hou; Jean‐Charles Guéry;pmid: 37438976
The peer review history for this article is available at: https://publons.com/publon/10.1002/eji.202350437.; International audience; Toll-like receptor 7 (TLR7) triggers innate and adaptive antiviral immune responses through its capacity to recognize single-stranded RNA. TLR7 loss-of-function mutants have been described as associated with life threatening pneumonia in severe COVID-19 patients. Whereas it is clear that TLR7-driven innate induction of type I IFN appears central to control SARS-CoV2 virus spreading during the first few days of infection, the impact of TLR7-deficiency on adaptive B cell immunity is less clear. In the present study, we examined the role of TLR7 in the adaptive B cells response to various pathogen-like antigens (PLAs). We used inactivated SARS-CoV2 and a PLA-based COVID-19 vaccine candidate designed to mimic SARS-CoV2 with encapsulated bacterial ssRNA as TLR7 ligands and conjugated with the RBD of the SARS-CoV2 Spike protein. Upon repeated immunization with inactivated SARS-CoV2 or PLA COVID-19 vaccine, our data show that Tlr7-deficiency abolished the germinal center (GC) dependent production of RBD-specific class-switched IgG2b and IgG2c, and neutralizing antibodies to SARS-CoV2. In an adoptive transfer model, we also provide evidence for a non-redundant role for B cell-intrinsic TLR7 in the promotion of RBD-specific IgG2b/IgG2c and memory B cells. Together, these data demonstrate that the induction of GC reaction and class-switch recombination to the Myd88-dependent IgG2b/IgG2c in response to SARS-CoV2 or PLAs is strictly dependent on cell-intrinsic activation of TLR7 in B cells.
European Journal of ... arrow_drop_down European Journal of ImmunologyArticle . 2023 . Peer-reviewedLicense: CC BY NC NDData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BY NCFull-Text: https://hal.inrae.fr/hal-04163592v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routeshybrid 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert European Journal of ... arrow_drop_down European Journal of ImmunologyArticle . 2023 . Peer-reviewedLicense: CC BY NC NDData sources: CrossrefMémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BY NCFull-Text: https://hal.inrae.fr/hal-04163592v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 QatarPublisher:Frontiers Media SA Funded by:EC | BBCEEC| BBCEMaha El Tantawi; Walter Yu Hang Lam; Nicolas Giraudeau; Jorma I. Virtanen; Cleopatra Matanhire; Timothy Chifamba; Wael Sabbah; Noha Gomaa; Sadeq Ali Al-Maweri; Sergio E. Uribe; Sergio E. Uribe; Sergio E. Uribe; Simin Z. Mohebbi; Noren Hasmun; Guangzhao Guan; Ajith Polonowita; Sadika Begum Khan; Massimo Pisano; Passent Ellakany; Marwa Mohamed Baraka; Abdalmawla Alhussin Ali; José Eduardo Orellana Centeno; Verica Pavlic; Morenike Oluwatoyin Folayan;Aim: The COVID-19 pandemic has accelerated teledentistry research with great interest reflected in the increasing number of publications. In many countries, teledentistry programs were established although not much is known about the extent of incorporating teledentistry into practice and healthcare systems. This study aimed to report on policies and strategies related to teledentistry practice as well as barriers and facilitators for this implementation in 19 countries. Methods: Data were presented per country about information and communication technology (ICT) infrastructure, income level, policies for health information system (HIS), eHealth and telemedicine. Researchers were selected based on their previous publications in teledentistry and were invited to report on the situation in their respective countries including Bosnia and Herzegovina, Canada, Chile, China, Egypt, Finland, France, Hong Kong SAR, Iran, Italy, Libya, Mexico, New Zealand, Nigeria, Qatar, Saudi Arabia, South Africa, United Kingdom, Zimbabwe. Results: Ten (52.6%) countries were high income, 11 (57.9%) had eHealth policies, 7 (36.8%) had HIS policies and 5 (26.3%) had telehealth policies. Six (31.6%) countries had policies or strategies for teledentistry and no teledentistry programs were reported in two countries. Teledentistry programs were incorporated into the healthcare systems at national (n = 5), intermediate (provincial) (n = 4) and local (n = 8) levels. These programs were established in three countries, piloted in 5 countries and informal in 9 countries. Conclusion: Despite the growth in teledentistry research during the COVID-19 pandemic, the use of teledentistry in daily clinical practice is still limited in most countries. Few countries have instituted teledentistry programs at national level. Laws, funding schemes and training are needed to support the incorporation of teledentistry into healthcare systems to institutionalize the practice of teledentistry. Mapping teledentistry practices in other countries and extending services to under-covered populations increases the benefit of teledentistry. 2023 El Tantawi, Lam, Giraudeau, Virtanen, Matanhire, Chifamba, Sabbah, Gomaa, Al-Maweri, Uribe, Mohebbi, Hasmun, Guan, Polonowita, Khan, Pisano, Ellakany, Baraka, Ali, Orellana Centeno, Pavlic and Folayan. SEU acknowledges financial support from the European Union's Horizon 2020 Research and Innovation Programme under grant agreement no. 857287. Scopus
Frontiers in Oral He... arrow_drop_down Frontiers in Oral Health; ZENODOOther literature type . Article . 2023 . Peer-reviewedLicense: CC BYQatar University Institutional RepositoryArticle . 2023Data sources: Qatar University Institutional Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 9 citations 9 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Frontiers in Oral He... arrow_drop_down Frontiers in Oral Health; ZENODOOther literature type . Article . 2023 . Peer-reviewedLicense: CC BYQatar University Institutional RepositoryArticle . 2023Data sources: Qatar University Institutional Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 Netherlands, Germany, France, Germany, Norway, United Kingdom, Norway, ItalyPublisher:American Association for the Advancement of Science (AAAS) Funded by:EC | AfricanBioServices, EC | FFP-BSSEC| AfricanBioServices ,EC| FFP-BSSMarlee A. Tucker; Aafke M. Schipper; Tempe S. F. Adams; Nina Attias; Tal Avgar; Natarsha L. Babic; Kristin J. Barker; Guillaume Bastille-Rousseau; Dominik M. Behr; Jerrold L. Belant; Dean E. Beyer; Niels Blaum; J. David Blount; Dirk Bockmühl; Ricardo Luiz Pires Boulhosa; Michael B. Brown; Bayarbaatar Buuveibaatar; Francesca Cagnacci; Justin M. Calabrese; Rok Černe; Simon Chamaillé-Jammes; Aung Nyein Chan; Michael J. Chase; Yannick Chaval; Yvette Chenaux-Ibrahim; Seth G. Cherry; Duško Ćirović; Emrah Çoban; Eric K. Cole; Laura Conlee; Alyson Courtemanch; Gabriele Cozzi; Sarah C. Davidson; Darren DeBloois; Nandintsetseg Dejid; Vickie DeNicola; Arnaud L. J. Desbiez; Iain Douglas-Hamilton; David Drake; Michael Egan; Jasper A.J. Eikelboom; William F. Fagan; Morgan J. Farmer; Julian Fennessy; Shannon P. Finnegan; Christen H. Fleming; Bonnie Fournier; Nicholas L. Fowler; Mariela G. Gantchoff; Alexandre Garnier; Benedikt Gehr; Chris Geremia; Jacob R. Goheen; Morgan L. Hauptfleisch; Mark Hebblewhite; Morten Heim; Anne G. Hertel; Marco Heurich; A. J. Mark Hewison; James Hodson; Nicholas Hoffman; J. Grant C. Hopcraft; Djuro Huber; Edmund J. Isaac; Karolina Janik; Miloš Ježek; Örjan Johansson; Neil R. Jordan; Petra Kaczensky; Douglas N. Kamaru; Matthew J. Kauffman; Todd M. Kautz; Roland Kays; Allicia P. Kelly; Jonas Kindberg; Miha Krofel; Josip Kusak; Clayton T. Lamb; Tayler N. LaSharr; Peter Leimgruber; Horst Leitner; Michael Lierz; John D.C. Linnell; Purevjav Lkhagvaja; Ryan A. Long; José Vicente López-Bao; Matthias-Claudio Loretto; Pascal Marchand; Hans Martin; Lindsay A. Martinez; Roy T. McBride; Ashley A.D. McLaren; Erling Meisingset; Joerg Melzheimer; Evelyn H. Merrill; Arthur D. Middleton; Kevin L. Monteith; Seth A. Moore; Bram Van Moorter; Nicolas Morellet; Thomas Morrison; Rebekka Müller; Atle Mysterud; Michael J Noonan; David O’Connor; Daniel Olson; Kirk A. Olson; Anna C. Ortega; Federico Ossi; Manuela Panzacchi; Robert Patchett; Brent R. Patterson; Rogerio Cunha de Paula; John Payne; Wibke Peters; Tyler R. Petroelje; Benjamin J. Pitcher; Boštjan Pokorny; Kim Poole; Hubert Potočnik; Marie-Pier Poulin; Robert M. Pringle; Herbert H.T. Prins; Nathan Ranc; Slaven Reljić; Benjamin Robb; Ralf Röder; Christer M. Rolandsen; Christian Rutz; Albert R. Salemgareyev; Gustaf Samelius; Heather Sayine-Crawford; Sarah Schooler; Çağan H. Şekercioğlu; Nuria Selva; Paola Semenzato; Agnieszka Sergiel; Koustubh Sharma; Avery L. Shawler; Johannes Signer; Václav Silovský; João Paulo Silva; Richard Simon; Rachel A. Smiley; Douglas W. Smith; Erling J. Solberg; Diego Ellis-Soto; Orr Spiegel; Jared Stabach; Jenna Stacy-Dawes; Daniel R. Stahler; John Stephenson; Cheyenne Stewart; Olav Strand; Peter Sunde; Nathan J. Svoboda; Jonathan Swart; Jeffrey J. Thompson; Katrina L. Toal; Kenneth Uiseb; Meredith C. VanAcker; Marianela Velilla; Tana L. Verzuh; Bettina Wachter; Brittany L. Wagler; Jesse Whittington; Martin Wikelski; Christopher C. Wilmers; George Wittemyer; Julie K. Young; Filip Zięba; Tomasz Zwijacz-Kozica; Mark A. J. Huijbregts; Thomas Mueller;handle: 2066/293722 , 10852/102567 , 11250/3072878 , 10449/80077 , 10023/27835 , 11250/3079568
pmid: 37289888
handle: 2066/293722 , 10852/102567 , 11250/3072878 , 10449/80077 , 10023/27835 , 11250/3079568
pmid: 37289888
COVID-19 lockdowns in early 2020 reduced human mobility, providing an opportunity to disentangle its effects on animals from those of landscape modifications. Using GPS data, we compared movements and road avoidance of 2300 terrestrial mammals (43 species) during the lockdowns to the same period in 2019. Individual responses were variable with no change in average movements or road avoidance behavior, likely due to variable lockdown conditions. However, under strict lockdowns 10-day 95th percentile displacements increased by 73%, suggesting increased landscape permeability. Animals’ 1-hour 95th percentile displacements declined by 12% and animals were 36% closer to roads in areas of high human footprint, indicating reduced avoidance during lockdowns. Overall, lockdowns rapidly altered some spatial behaviors, highlighting variable but substantial impacts of human mobility on wildlife worldwide. Editor’s summary Policies to reduce human movement during the early months of the COVID-19 pandemic produced a kind of natural experiment to observe how human activities affect animal behavior. Using GPS tracking data from 2300 individual mammals of 43 species, Tucker et al . documented changes in mammal movement patterns during the spring of 2020 compared with the previous year (see the Perspective by St. Clair and Raymond). In locations with strict lockdown policies, animals traveled longer distances during the lockdown period. In highly populated areas, mammals moved less frequently and were closer to roads than they were before the pandemic. These results demonstrate how human activities constrain animal movement and what happens when those activities cease. —Bianca Lopez GPS tracking of mammals over five continents shows how animal movements changed during COVID-19 lockdowns.
Research@WUR; Archiv... arrow_drop_down Publikationenserver der Georg-August-Universität GöttingenArticle . 2023St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 13 citations 13 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 14visibility views 14 download downloads 16 Powered bymore_vert Research@WUR; Archiv... arrow_drop_down Publikationenserver der Georg-August-Universität GöttingenArticle . 2023St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research Repositoryadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 United Kingdom, ItalyPublisher:SAGE Publications Authors: Celina Smith; Emanuela Rondi; Alfredo De Massis; Mattias Nordqvist;Celina Smith; Emanuela Rondi; Alfredo De Massis; Mattias Nordqvist;handle: 10446/243629
The role of organizational resilience enabling firms to respond to adversity and survive has become ever more critical in the wake of an increasingly unpredictable external environment. Yet, while we understand the importance of resilience in responding to a major adversity, we have little appreciation for how firms are affected and react when facing multiple adversities over time, or how multilevel factors might impose on this process. These are crucial issues given that adversities are not necessarily single, isolated, or infrequent episodes. By studying a long-established family firm in the United Kingdom that experienced four major adversities, we identify the process that enabled it not only to survive but also to thrive. In this qualitative study, we introduce the notion of organizational fortitude to describe the approach that a firm develops to cope with the challenges of multiple unexpected adversities and highlight how multilevel factors combine to foster organizational fortitude. In the early months of this year, we could see this thing [Covid-19 pandemic] coming and the immediate feeling was oh God, here we go again, another crisis, you know . . . it's quite funny because when I tell people about the fire, the flood . . . the compulsory purchase, everyone says, “What about the plague of locusts?” Well, now we have the plague as well! It's just another catastrophic event to deal with. So we felt that we’re quite good at handling these crises and here goes, we know how to deal with it, you’ve just got to be flexible and determined just to do whatever you need to do to make sure that you can survive it as a family firm. —Lance Forman, CEO, H. Forman & Sons This quote illustrates a situation that more and more organizations face today—frequent, diverse, and often unpredictable adversities. To meet increasing and often unanticipated adversities, organizations need to be resilient (Lengnick-Hall & Beck, 2005; Linnenluecke, 2017; Raetze, Duchek, Maynard, & Wohlgemuth, 2022). Scholars define resilience as “the process by which an actor (i.e., individual, organization, or community) builds and uses its capability endowments to interact with the environment in a way that positively adjusts and maintains functioning prior to, during, and following adversity” (Williams, Gruber, Sutcliffe, Shepherd, & Zhao, 2017: 742). Research on resilience has gained momentum (Hillmann & Guenther, 2021; Raetze et al., 2022) in the wake of events such as the 9/11 terrorist attack in 2001 (e.g., Gittell, Cameron, Lim, & Rivas, 2006), the global financial crisis in 2008 (e.g., DesJardine, Bansal, & Yang, 2019), and the COVID-19 pandemic that emerged in 2019 (e.g., Branzei & Fathallah, 2021; Mithani, 2020). Indeed, scholars have noted that when an organization is challenged by such adversity, a fault line can be traced between its past evolution (before) and its future change (after) (Lengnick-Hall, Beck, & Lengnick-Hall, 2011; Roux-Dufort, 2007; Williams et al., 2017). Accordingly, prior research is characterized by a schism between studies focusing on the pre-adversity period (e.g., Almklov & Antonsen, 2010) and those examining the postadversity period (e.g., DesJardine et al., 2019; Shepherd & Williams, 2014), considering the “moment of resilience” (Boin, Comfort, & Demchak, 2010: 7) as the turning point between the two periods. Research on organizational resilience has thus far mostly adopted the single organizational level of analysis and the adverse circumstance as the unit of analysis—for example, earthquake (Salvato, Sargiacomo, Amore, & Minichilli, 2020; Williams & Shepherd, 2016), bushfire (Shepherd & Williams, 2014), global financial crisis (DesJardine et al., 2019; Sajko, Boone, & Buyl, 2021), or pandemic (Mithani, 2020; Rao & Greve, 2018)—but only considering single adversities that organizations need to address. However, adversities are neither episodic nor infrequent, and the same organization, especially long-lasting ones, can often experience more than one adversity in its lifetime. Consequently, we only have limited understanding of the resilient responses that organizations need to employ when facing multiple adversities over time. This limited understanding is particularly regretful, as the event-based or episodic view of resilience advanced in prior research is unlikely to apply in the more realistic and frequent scenario of multiple adversities. In fact, this research falls short in explaining how an organization might build on one adversity to face the next one or, more specifically, how undergoing one adversity might lead to building and deploying resilience when facing the next adversity. Furthermore, overlooking resilience in the context of organizations facing multiple adversities over time hinders our understanding of whether what happens and develops between two adversities is important, and why. Accordingly, we ask the following research questions: How can an organization be resilient over time through multiple adversities? What key mechanisms explain such resilience? As an organizational form, long-lasting family firms are particularly relevant for studying resilience over time (e.g., Salvato et al., 2020), as they are more likely to have been challenged by multiple adversities throughout their journey. The coupling of family and business systems (e.g., Habbershon, Williams, & MacMillan, 2003) places much at stake for family firms compared to other types of organizations. In particular, as they are handed down across generations through intra-family succession (Chua, Chrisman, & Sharma, 1999), their long-term orientation and strong commitment (Le Breton-Miller & Miller, 2006; Lumpkin & Brigham, 2011) incentivize them to overcome adversities—striving and surviving to ensure longevity—and thereby building resilience (Chrisman, Chua, & Steier, 2011). Indeed, under adverse circumstances, their owners face the prospect of losing not just financial wealth but also the emotional and relational aspects that tie the family to the firm (Berrone, Cruz, & Gomez-Mejia, 2012; De Massis & Rondi, 2020). This leads family business owners to place a great deal on the line both socioemotionally and financially in the belief that much more could be lost otherwise (Azouz, Antheaume, & Charles-Pauvers, 2022; Conz, Lamb, & De Massis, 2020; Czakon, Hajdas, & Radomska, 2022). Consequently, family firms work more assiduously than other types of organizations to protect their business when going through adversity (e.g., Lins, Volpin, & Wagner, 2013), making them particularly relevant for our research questions (Neubaum & Payne, 2021). To conduct our study, we first identified a major adversity that was viewed as a threat to survival—in this case, by firms forced to leave their location due to the staging of the London 2012 Olympics on their land. We explored firms threatened by the Games and selected one that played a leading role in the dispute, is more than 100 years old, and has passed through four generations of family ownership. From its base in East London, the firm produced and sold smoked salmon and, as we discovered, had endured other major adversities. This offered an appropriate opportunity to study multiple adversities at multiple levels. Empirically, we integrated interviews, archival data, and observations to generate deep insights from the complex phenomenon investigated (Edmondson & McManus, 2007), including how the adversities unfolded over time—how actors prepared, faced, responded, and coped with these. Drawing on our analysis, we unpack the process through which a family firm manifests resilience throughout multiple adversities. Specifically, we reveal the multilevel mechanisms involving the family, the business, and individual leader (Habbershon et al., 2003) enabling the family firm to be resilient over time. In addition, we introduce a new concept, organizational fortitude, to describe a resilience-building approach to cope with the challenges of multiple unexpected adversities. Our study makes several contributions. First, introducing the notion of organizational fortitude and highlighting the multilevel nature of organizational resilience (Raetze et al., 2022; Stoverink, Kirkman, Mistry, & Rosen, 2020; Williams et al., 2017), we unveil the mechanisms through which the family, the business, and individual leader—acting as a linchpin between the family and business—contributed to developing organizational fortitude allowing the family firm to manifest resilience. Linchpins play a central role, not only by connecting the family and the business but also driving the goals, motivating organizational actors, and bringing family capabilities into the business, thus embodying organizational fortitude. Second, we extend current understanding of organizational resilience through a process approach that encompasses multiple adversities, explaining their reinvigorating effect for an organization. To the best of our knowledge, this is the first study to longitudinally consider resilience across multiple adversities. Our research also offers implications for resilience in other types of organizations positioned at the intersection of multiple systems.
Lancaster EPrints arrow_drop_down Journal of Management; Archivio Istituzionale Università di BergamoArticle . 2023 . Peer-reviewedLicense: SAGE TDMArchivio Istituzionale Università di BergamoArticle . 2023Data sources: Archivio Istituzionale Università di Bergamoadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!visibility 14visibility views 14 download downloads 151 Powered bymore_vert Lancaster EPrints arrow_drop_down Journal of Management; Archivio Istituzionale Università di BergamoArticle . 2023 . Peer-reviewedLicense: SAGE TDMArchivio Istituzionale Università di BergamoArticle . 2023Data sources: Archivio Istituzionale Università di Bergamoadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 France, United StatesPublisher:Springer Science and Business Media LLC Biqing Zhu; Zhu Deng; Xuanren Song; Wenli Zhao; Da Huo; Taochun Sun; Piyu Ke; Duo Cui; Chenxi Lu; Haiwang Zhong; Chaopeng Hong; Jian Qiu; Steven J. Davis; Pierre Gentine; Philippe Ciais; Zhu Liu;pmid: 37069166
pmc: PMC10108797
We constructed a frequently updated, near-real-time global power generation dataset: CarbonMonitor-Power since January, 2016 at national levels with near-global coverage and hourly-to-daily time resolution. The data presented here are collected from 37 countries across all continents for eight source groups, including three types of fossil sources (coal, gas, and oil), nuclear energy and four groups of renewable energy sources (solar energy, wind energy, hydro energy and other renewables including biomass, geothermal, etc.). The global near-real-time power dataset shows the dynamics of the global power system, including its hourly, daily, weekly and seasonal patterns as influenced by daily periodical activities, weekends, seasonal cycles, regular and irregular events (i.e., holidays) and extreme events (i.e., the COVID-19 pandemic). The CarbonMonitor-Power dataset reveals that the COVID-19 pandemic caused strong disruptions in some countries (i.e., China and India), leading to a temporary or longlasting shift to low carbon intensity, while it had only little impact in some other countries (i.e., Australia). This dataset offers a large range of opportunities for power-related scientific research and policy-making. International audience
Mémoires en Sciences... arrow_drop_down eScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of Californiaadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert Mémoires en Sciences... arrow_drop_down eScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of Californiaadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2023 FrancePublisher:AIP Publishing Authors: Jiachen Ye; Peng Ji; Marc Barthelemy;Jiachen Ye; Peng Ji; Marc Barthelemy;pmid: 37097969
The airline industry was severely hit by the COVID-19 crisis with an average demand decrease of about $64\%$ (IATA, April 2020) which triggered already several bankruptcies of airline companies all over the world. While the robustness of the world airline network (WAN) was mostly studied as an homogeneous network, we introduce a new tool for analyzing the impact of a company failure: the `airline company network' where two airlines are connected if they share at least one route segment. Using this tool, we observe that the failure of companies well connected with others has the largest impact on the connectivity of the WAN. We then explore how the global demand reduction affects airlines differently, and provide an analysis of different scenarios if its stays low and does not come back to its pre-crisis level. Using traffic data from the Official Aviation Guide (OAG) and simple assumptions about customer's airline choice strategies, we find that the local effective demand can be much lower than the average one, especially for companies that are not monopolistic and share their segments with larger companies. Even if the average demand comes back to $60\%$ of the total capacity, we find that between $46\%$ and $59\%$ of the companies could experience a reduction of more than $50\%$ of their traffic, depending on the type of competitive advantage that drives customer's airline choice. These results highlight how the complex competitive structure of the WAN weakens its robustness when facing such a large crisis. Comment: 12 pages, 7 main figures (+5 figures in appendix)
arXiv.org e-Print Ar... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2020Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: DataciteChaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023Data sources: Europe PubMed CentralHyper Article en Ligne; Hal-DiderotOther literature type . Preprint . 2021Chaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1063/5.0146575&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert arXiv.org e-Print Ar... arrow_drop_down arXiv.org e-Print ArchiveOther literature type . Preprint . 2020Data sources: arXiv.org e-Print Archivehttps://doi.org/10.48550/arxiv...Article . 2020License: arXiv Non-Exclusive DistributionData sources: DataciteChaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023Data sources: Europe PubMed CentralHyper Article en Ligne; Hal-DiderotOther literature type . Preprint . 2021Chaos An Interdisciplinary Journal of Nonlinear ScienceArticle . 2023 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1063/5.0146575&type=result"></script>'); --> </script>
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