Little Brown Bats (Myotis lucifugus) Support the Binding of SARS-CoV-2 Spike and Are Likely Susceptible to SARS-CoV-2 Infection

Shubhada K. Chothe, Padmaja Jakka, Veda Sheersh Boorla, Santhamani Ramasamy, Abhinay Gontu, Ruth H. Nissly, Justin Brown, Gregory Turner, Brent J. Sewall, Dee Ann M. Reeder, Kenneth A. Field, Julie B. Engiles, Saranya Amirthalingam, Abirami Ravichandran, Lindsey LaBella, Meera Surendran Nair, Costas D. Maranas, Suresh V. Kuchipudi

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), believed to have originated from a bat species, can infect a wide range of non-human hosts. Bats are known to harbor hundreds of coronaviruses capable of spillover into human populations. Recent studies have shown a significant variation in the susceptibility among bat species to SARS-CoV-2 infection. We show that little brown bats (LBB) express angiotensin-converting enzyme 2 receptor and the transmembrane serine protease 2, which are accessible to and support SARS-CoV-2 binding. All-atom molecular dynamics (MD) simulations revealed that LBB ACE2 formed strong electrostatic interactions with the RBD similar to human and cat ACE2 proteins. In summary, LBBs, a widely distributed North American bat species, could be at risk of SARS-CoV-2 infection and potentially serve as a natural reservoir. Finally, our framework, combining in vitro and in silico methods, is a useful tool to assess the SARS-CoV-2 susceptibility of bats and other animal species.

Original languageEnglish (US)
Article number1103
JournalViruses
Volume15
Issue number5
DOIs
StatePublished - May 2023

All Science Journal Classification (ASJC) codes

  • Infectious Diseases
  • Virology

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