【研究發展處訊】
微生物學系楊鉅文教授發表新冠肺炎病毒相關之最新期刊論文
Low compositions of human toll-like receptor 7/8-stimulating RNA motifs in the MERS-CoV, SARS-CoV and SARS-CoV-2 genomes imply a substantial ability to evade human innate immunity
作者:Chu-Wen Yang, Mei-Fang Chen
PeerJ (SCI)
卷期數:9
文獻號碼:e11008
出版日期:Feb 2021
Background
The innate immune system especially Toll-like receptor (TLR) 7/8 and the interferon pathway, constitutes an important first line of defense against single-stranded RNA viruses. However, large-scale, systematic comparisons of the TLR 7/8-stimulating potential of genomic RNAs of single-stranded RNA viruses are rare. In this study, a computational method to evaluate the human TLR 7/8-stimulating ability of single-stranded RNA virus genomes based on their human TLR 7/8-stimulating trimer compositions was used to analyze 1,002 human coronavirus genomes.
Results
The human TLR 7/8-stimulating potential of coronavirus genomic (positive strand) RNAs followed the order of NL63-CoV > HKU1-CoV >229E-CoV ≅OC63-CoV > SARS-CoV-2 > MERS-CoV > SARS-CoV. These results suggest that among these coronaviruses, MERS-CoV, SARS-CoV and SARS-CoV-2 may have a higher ability to evade the human TLR 7/8-mediated innate immune response. Analysis with a logistic regression equation derived from human coronavirus data revealed that most of the 1,762 coronavirus genomic (positive strand) RNAs isolated from bats, camels, cats, civets, dogs and birds exhibited weak human TLR 7/8-stimulating potential equivalent to that of the MERS-CoV, SARS-CoV and SARS-CoV-2 genomic RNAs.
Conclusions
Prediction of the human TLR 7/8-stimulating potential of viral genomic RNAs may be useful for surveillance of emerging coronaviruses from nonhuman mammalian hosts.
本論文比較新冠肺炎病毒與普通冠狀病毒基因體核甘酸組成的差異,探討不同病毒對躲避宿主先天免疫系統能力不同。本文是東吳第三篇新冠病毒的研究論文。
文章網頁連結: https://peerj.com/articles/11008/
研究事務組小提醒:教師如有最新發表於AHCI、SSCI、SCI、EI、TSSCI、THCI、「東吳大學外語學門獎勵名單」之期刊論文,歡迎將相關資訊e-mail至rad@scu.edu.tw,研究發展處將會公告於校園頭條,以廣交流。
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