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Wells HL, Letko M, Lasso G, Ssebide B, Nziza J, Byarugaba DK, Navarrete-Macias I, Liang E, Cranfield M, Han BA, Tingley MW, Diuk-Wasser M, Goldstein T, Johnson CK, Mazet JAK, Chandran K, Munster VJ, Gilardi K, Anthony SJ. The evolutionary history of ACE2 usage within the coronavirus subgenus Sarbecovirus. Virus Evol 2021; 7:veab007. [PMID: 33754082 PMCID: PMC7928622 DOI: 10.1093/ve/veab007] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 1 (SARS-CoV-1) and SARS-CoV-2 are not phylogenetically closely related; however, both use the angiotensin-converting enzyme 2 (ACE2) receptor in humans for cell entry. This is not a universal sarbecovirus trait; for example, many known sarbecoviruses related to SARS-CoV-1 have two deletions in the receptor binding domain of the spike protein that render them incapable of using human ACE2. Here, we report three sequences of a novel sarbecovirus from Rwanda and Uganda that are phylogenetically intermediate to SARS-CoV-1 and SARS-CoV-2 and demonstrate via in vitro studies that they are also unable to utilize human ACE2. Furthermore, we show that the observed pattern of ACE2 usage among sarbecoviruses is best explained by recombination not of SARS-CoV-2, but of SARS-CoV-1 and its relatives. We show that the lineage that includes SARS-CoV-2 is most likely the ancestral ACE2-using lineage, and that recombination with at least one virus from this group conferred ACE2 usage to the lineage including SARS-CoV-1 at some time in the past. We argue that alternative scenarios such as convergent evolution are much less parsimonious; we show that biogeography and patterns of host tropism support the plausibility of a recombination scenario, and we propose a competitive release hypothesis to explain how this recombination event could have occurred and why it is evolutionarily advantageous. The findings provide important insights into the natural history of ACE2 usage for both SARS-CoV-1 and SARS-CoV-2 and a greater understanding of the evolutionary mechanisms that shape zoonotic potential of coronaviruses. This study also underscores the need for increased surveillance for sarbecoviruses in southwestern China, where most ACE2-using viruses have been found to date, as well as other regions such as Africa, where these viruses have only recently been discovered.
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Affiliation(s)
- H L Wells
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, 1200 Amsterdam Ave, New York, NY 10027, USA
| | - M Letko
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 903 S. 4th St, Hamilton, MT 59840, USA.,Paul G. Allen School for Global Animal Health, Washington State University, 1155 College Ave, Pullman, WA 99164, USA
| | - G Lasso
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10462, USA
| | - B Ssebide
- Gorilla Doctors, c/o MGVP, Inc., 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
| | - J Nziza
- Gorilla Doctors, c/o MGVP, Inc., 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
| | - D K Byarugaba
- Makerere University Walter Reed Project, Plot 42, Nakasero Road, Kampala, Uganda.,Makerere University, College of Veterinary Medicine, Living Stone Road, Kampala, Uganda
| | - I Navarrete-Macias
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, 722 W 168th St, New York, NY 10032, USA
| | - E Liang
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, 722 W 168th St, New York, NY 10032, USA
| | - M Cranfield
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA.,Department of Microbiology and Immunology, University of North Carolina School of Medicine, 125 Mason Farm Road, Chapel Hill, NC 27599, USA
| | - B A Han
- Cary Institute of Ecosystem Studies, 2801 Sharon Turnpike, Millbrook, NY 12545, USA
| | - M W Tingley
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, 612 Charles E. Young Drive South, Los Angeles, CA 90095, USA
| | - M Diuk-Wasser
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, 1200 Amsterdam Ave, New York, NY 10027, USA
| | - T Goldstein
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
| | - C K Johnson
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
| | - J A K Mazet
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
| | - K Chandran
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10462, USA
| | - V J Munster
- Paul G. Allen School for Global Animal Health, Washington State University, 1155 College Ave, Pullman, WA 99164, USA
| | - K Gilardi
- Makerere University Walter Reed Project, Plot 42, Nakasero Road, Kampala, Uganda.,One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, 1089 Veterinary Medicine Drive, Davis, CA 95616, USA
| | - S J Anthony
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
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Wells H, Letko M, Lasso G, Ssebide B, Nziza J, Byarugaba D, Navarrete-Macias I, Liang E, Cranfield M, Han B, Tingley M, Diuk-Wasser M, Goldstein T, Johnson C, Mazet J, Chandran K, Munster V, Gilardi K, Anthony S. The evolutionary history of ACE2 usage within the coronavirus subgenus Sarbecovirus. bioRxiv 2021:2020.07.07.190546. [PMID: 32676605 PMCID: PMC7359528 DOI: 10.1101/2020.07.07.190546] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
SARS-CoV-1 and SARS-CoV-2 are not phylogenetically closely related; however, both use the ACE2 receptor in humans for cell entry. This is not a universal sarbecovirus trait; for example, many known sarbecoviruses related to SARS-CoV-1 have two deletions in the receptor binding domain of the spike protein that render them incapable of using human ACE2. Here, we report three sequences of a novel sarbecovirus from Rwanda and Uganda which are phylogenetically intermediate to SARS-CoV-1 and SARS-CoV-2 and demonstrate via in vitro studies that they are also unable to utilize human ACE2. Furthermore, we show that the observed pattern of ACE2 usage among sarbecoviruses is best explained by recombination not of SARS-CoV-2, but of SARS-CoV-1 and its relatives. We show that the lineage that includes SARS-CoV-2 is most likely the ancestral ACE2-using lineage, and that recombination with at least one virus from this group conferred ACE2 usage to the lineage including SARS-CoV-1 at some time in the past. We argue that alternative scenarios such as convergent evolution are much less parsimonious; we show that biogeography and patterns of host tropism support the plausibility of a recombination scenario; and we propose a competitive release hypothesis to explain how this recombination event could have occurred and why it is evolutionarily advantageous. The findings provide important insights into the natural history of ACE2 usage for both SARS-CoV-1 and SARS-CoV-2, and a greater understanding of the evolutionary mechanisms that shape zoonotic potential of coronaviruses. This study also underscores the need for increased surveillance for sarbecoviruses in southwestern China, where most ACE2-using viruses have been found to date, as well as other regions such as Africa, where these viruses have only recently been discovered.
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Affiliation(s)
- H.L Wells
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
| | - M Letko
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
- Paul G. Allen School for Global Animal Health, Washington State University, Pullman, WA, USA
| | - G Lasso
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - B Ssebide
- Gorilla Doctors, c/o MGVP, Inc., Davis, California, USA
| | - J Nziza
- Gorilla Doctors, c/o MGVP, Inc., Davis, California, USA
| | - D.K Byarugaba
- Makerere University Walter Reed Project, Kampala, Uganda
- Makerere University, College of Veterinary Medicine, Kampala, Uganda
| | - I Navarrete-Macias
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - E Liang
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - M Cranfield
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, California, USA
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - B.A Han
- Cary Institute of Ecosystem Studies, Millbrook, New York, USA
| | - M.W Tingley
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA, USA
| | - M Diuk-Wasser
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - T Goldstein
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, California, USA
| | - C.K Johnson
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, California, USA
| | - J Mazet
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, California, USA
| | - K Chandran
- Gorilla Doctors, c/o MGVP, Inc., Davis, California, USA
| | - V.J Munster
- Paul G. Allen School for Global Animal Health, Washington State University, Pullman, WA, USA
| | - K Gilardi
- Makerere University Walter Reed Project, Kampala, Uganda
- One Health Institute and Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, University of California Davis, California, USA
| | - S.J Anthony
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, California, USA
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Graczyk TK, Bosco-Nizeyi J, Ssebide B, Thompson RCA, Read C, Cranfield MR. Anthropozoonotic Giardia duodenalis genotype (assemblage) a infections in habitats of free-ranging human-habituated gorillas, Uganda. J Parasitol 2002; 88:905-9. [PMID: 12435128 DOI: 10.1645/0022-3395(2002)088[0905:agdgaa]2.0.co;2] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
To facilitate ecotourism and research, free-ranging mountain gorillas of Uganda have been habituated to humans. Testing of fecal samples of gorillas (n = 100), people sharing gorilla habitats (n = 62). and local pre- and postweaned cattle (n = 50) having access to these habitats with fluorescein isothiocyanate-conjugated monoclonal antibodies revealed Giardia duodenalis cysts at prevalences of 2, 5, and 10%, respectively. The identification of G. duodenalis was confirmed by fluorescent in situ hybridization with 2 species-specific 18-bp oligonucleotide probes conjugated to hexachlorinated 6-carboxyfluorescein. The mean pathogen concentration was 2.5, 2.8, and 0.2 x 10(4) cysts/g of the gorilla, people, and cattle feces, respectively. All cyst isolates aligned with genotype (assemblage) A, as confirmed by polymerase chain reaction amplification and sequencing of a 130-bp region near the 5' end of the small subunit-ribosomal RNA gene. A single genotype (assemblage) A recovered from 3 genetically distant but geographically united host groups indicates anthropozoonotic transmission of G. duodenalis. A large percentage of the local community does not follow park regulations regarding the disposal of their fecal waste, as self-reported in a questionnaire. This genotype may have been introduced into gorilla populations through habituation activities and may have then been sustained in their habitats by anthropozoonotic transmission.
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Affiliation(s)
- Thaddeus K Graczyk
- The W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland 21205, USA.
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