Selected article for: "data set and diversification evolution"
Author: Latinne, Alice; Hu, Ben; Olival, Kevin J.; Zhu, Guangjian; Zhang, Libiao; Li, Hongying; Chmura, Aleksei A.; Field, Hume E.; Zambrana-Torrelio, Carlos; Epstein, Jonathan H.; Li, Bei; Zhang, Wei; Wang, Lin-Fa; Shi, Zheng-Li; Daszak, Peter
Title: Origin and cross-species transmission of bat coronaviruses in China
  • Cord-id: 25jmgrsr
  • Document date: 2020_8_25
    • ID: 25jmgrsr
    Snippet: Bats are presumed reservoirs of diverse coronaviruses (CoVs) including progenitors of Severe Acute Respiratory Syndrome (SARS)-CoV and SARS-CoV-2, the causative agent of COVID-19. However, the evolution and diversification of these coronaviruses remains poorly understood. Here we use a Bayesian statistical framework and a large sequence data set from bat-CoVs (including 630 novel CoV sequences) in China to study their macroevolution, cross-species transmission and dispersal. We find that host-sw
    Document: Bats are presumed reservoirs of diverse coronaviruses (CoVs) including progenitors of Severe Acute Respiratory Syndrome (SARS)-CoV and SARS-CoV-2, the causative agent of COVID-19. However, the evolution and diversification of these coronaviruses remains poorly understood. Here we use a Bayesian statistical framework and a large sequence data set from bat-CoVs (including 630 novel CoV sequences) in China to study their macroevolution, cross-species transmission and dispersal. We find that host-switching occurs more frequently and across more distantly related host taxa in alpha- than beta-CoVs, and is more highly constrained by phylogenetic distance for beta-CoVs. We show that inter-family and -genus switching is most common in Rhinolophidae and the genus Rhinolophus. Our analyses identify the host taxa and geographic regions that define hotspots of CoV evolutionary diversity in China that could help target bat-CoV discovery for proactive zoonotic disease surveillance. Finally, we present a phylogenetic analysis suggesting a likely origin for SARS-CoV-2 in Rhinolophus spp. bats.

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