Journal
JOURNAL OF VIROLOGY
Volume 86, Issue 11, Pages 6350-6353Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.00311-12
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Funding
- Norman Hackerman Advanced Research Program [003658-0250-2009]
- National Institutes of Health [R01-GM-093086]
- New England Regional Center for Excellence/Biodefense and Emerging Infectious Disease [U54 AI057159]
- New England Primate Research Center [RR000168]
- American Cancer Society [120612-PF-11-045-01-DMC]
- Burroughs Wellcome Fund
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In 2002, severe acute respiratory syndrome (SARS)-coronavirus (CoV) appeared as a novel human virus with high similarity to bat coronaviruses. However, while SARS-CoV uses the human angiotensin-converting enzyme 2 (ACE2) receptor for cellular entry, no coronavirus isolated from bats appears to use ACE2. Here we show that signatures of recurrent positive selection in the bat ACE2 gene map almost perfectly to known SARS-CoV interaction surfaces. Our data indicate that ACE2 utilization preceded the emergence of SARS-CoV-like viruses from bats.
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