دورية أكاديمية
Amino acid substitution L232F in non-structural protein 6 identified as a possible human-adaptive mutation in clade B MERS coronaviruses.
| العنوان: | Amino acid substitution L232F in non-structural protein 6 identified as a possible human-adaptive mutation in clade B MERS coronaviruses. |
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| المؤلفون: | So RTY; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.; HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China., Chu DKW; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.; UK Health Security Agency, London, United Kingdom., Hui KPY; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Mok CKP; The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, People's Republic of China.; Li Ka Shing Institute of Health Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, People's Republic of China., Shum MHH; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Sanyal S; Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom., Nicholls JM; Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Ho JCW; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Cheung M-c; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Ng K-c; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Yeung H-W; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Chan MCW; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Poon LLM; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.; HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China., Zhao J; State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, People's Republic of China., Lam TTY; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China., Peiris M; School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.; HKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China. |
| المصدر: | Journal of virology [J Virol] 2023 Dec 21; Vol. 97 (12), pp. e0136923. Date of Electronic Publication: 2023 Dec 01. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: American Society For Microbiology Country of Publication: United States NLM ID: 0113724 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1098-5514 (Electronic) Linking ISSN: 0022538X NLM ISO Abbreviation: J Virol Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Washington Dc : American Society For Microbiology Original Publication: Baltimore, American Society for Microbiology. |
| مواضيع طبية MeSH: | Coronavirus Infections*/virology , Middle East Respiratory Syndrome Coronavirus*/genetics , Viral Nonstructural Proteins*/genetics, Animals ; Humans ; Mice ; Amino Acid Substitution ; Camelus ; Mutation |
| مستخلص: | Importance: Viral host adaptation plays an important role in inter-species transmission of coronaviruses and influenza viruses. Multiple human-adaptive mutations have been identified in influenza viruses but not so far in MERS-CoV that circulates widely in dromedary camels in the Arabian Peninsula leading to zoonotic transmission. Here, we analyzed clade B MERS-CoV sequences and identified an amino acid substitution L232F in nsp6 that repeatedly occurs in human MERS-CoV. Using a loss-of-function reverse genetics approach, we found the nsp6 L232F conferred increased viral replication competence in vitro , in cultures of the upper human respiratory tract ex vivo, and in lungs of mice infected in vivo . Our results showed that nsp6 L232F may be an adaptive mutation associated with zoonotic transmission of MERS-CoV. This study highlighted the capacity of MERS-CoV to adapt to transmission to humans and also the need for continued surveillance of MERS-CoV in camels. Competing Interests: The authors declare no conflict of interest. |
| التعليقات: | Update of: bioRxiv. 2023 Mar 28;:. (PMID: 37034576) |
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| معلومات مُعتمدة: | U01 AI151810 United States AI NIAID NIH HHS |
| فهرسة مساهمة: | Keywords: MERS-CoV; coronavirus; nsp6; virus evolution |
| المشرفين على المادة: | 0 (Viral Nonstructural Proteins) |
| تواريخ الأحداث: | Date Created: 20231201 Date Completed: 20240104 Latest Revision: 20240104 |
| رمز التحديث: | 20240104 |
| مُعرف محوري في PubMed: | PMC10734512 |
| DOI: | 10.1128/jvi.01369-23 |
| PMID: | 38038429 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1098-5514 |
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| DOI: | 10.1128/jvi.01369-23 |