文献类型： 外文期刊
作者： Chen, Shunmei 1 ; Ruan, Cihan 3 ; Guo, Yutong 1 ; Chang, Jia 1 ; Yan, Haohao 1 ; Chen, Liang 2 ; Duan, Yongzhong 2 ; Duan, Guangyou 4 ; Bei, Jinlong 5 ; Li, Xin 1 ; Gao, Shan 1 ;
作者机构： 1.Nankai Univ, Coll Life Sci, Tianjin, Peoples R China
2.Kunming Med Univ, Biomed Engn Res Inst, Kunming, Yunnan, Peoples R China
3.Santa Clara Univ, Dept Comp Sci & Engn, Sant Clara, CA USA
4.Qilu Normal Univ, Sch Life Sci, Jinan, Shandong, Peoples R China
5.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou, Guangdong, Peoples R China
期刊名称：PLOS ONE （ 影响因子：2.6； 五年影响因子：3.2 ）
ISSN：
年卷期： 2024 年 19 卷 8 期
页码：
收录情况： SCI
摘要： Since the emergence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), its genetic and geographical origins remain unclear, resulting in suspicions about its natural origin. In one of our previous studies, we reported the presence of a furin cleavage site RRAR in the junction region between S1 and S2 subunits of the spike protein, which was discovered as the first crucial clue for the origin tracing of SARS-CoV-2. In the present study, we conducted an integrative analysis of new genome data from bat Sarbecovirus strains reported after the COVID-19 outbreak. The primary results included the identification of BANAL-20-52, Rp22DB159, and S18CXBatR24 as three close relatives of SARS-CoV-2 and the successful detection of seven out of nine key genomic features (designated as RC0-7 and ORF8) observed in wild types of SARS-CoV-2 in the three close relatives from Laos, Vietnam, and Yunnan province of China, respectively. The most significant contribution of the present study lies in the detection of RC1 in wild genotype in a bat Sarbecovirus population BANAL-20-52 belonging to. Encoding a segment of the NSP3 protein, RC1 was discovered as the second crucial clue for the origin tracing of SARS-CoV-2. Although RC0, encoding the junction furin cleavage site, remains undetected outside of the SARS-CoV-2 genome, Feuang of Laos is the sole place where eight of the nine wild-type features (RC1-7 and ORF8) have been detected.
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