• J. Gen. Virol. · Jul 2010

    Identification of key amino acid residues required for horseshoe bat angiotensin-I converting enzyme 2 to function as a receptor for severe acute respiratory syndrome coronavirus.

    • Meng Yu, Mary Tachedjian, Gary Crameri, Zhengli Shi, and Lin-Fa Wang.
    • CSIRO Livestock Industries, Australian Animal Health Laboratory, Geelong, Victoria 3220, Australia.
    • J. Gen. Virol. 2010 Jul 1; 91 (Pt 7): 1708-12.

    AbstractAngiotensin-I converting enzyme 2 (ACE2) is the receptor for severe acute respiratory syndrome (SARS) coronavirus (SARS-CoV). A previous study indicated that ACE2 from a horseshoe bat, the host of a highly related SARS-like coronavirus, could not function as a receptor for SARS-CoV. Here, we demonstrate that a 3 aa change from SHE (aa 40-42) to FYQ was sufficient to convert the bat ACE2 into a fully functional receptor for SARS-CoV. We further demonstrate that an ACE2 molecule from a fruit bat, which contains the FYQ motif, was able to support SARS-CoV infection, indicating a potentially much wider host range for SARS-CoV-related viruses among different bat populations.

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