SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5

SERINC5, is a cellular multipass transmembrane protein involved in sphingolipid and phosphatydilserine biogenesis and a known retroviral restriction factor. Here, Timilsina et al. show that SERINC5 is a host restriction factor for SARS-CoV-2 that prevents viral fusion during entry. Further they show...

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Main Authors: Uddhav Timilsina, Supawadee Umthong, Emily B. Ivey, Brandon Waxman, Spyridon Stavrou
Format: Article
Language:English
Published: Nature Portfolio 2022-05-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-022-30609-9
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author Uddhav Timilsina
Supawadee Umthong
Emily B. Ivey
Brandon Waxman
Spyridon Stavrou
author_facet Uddhav Timilsina
Supawadee Umthong
Emily B. Ivey
Brandon Waxman
Spyridon Stavrou
author_sort Uddhav Timilsina
collection DOAJ
description SERINC5, is a cellular multipass transmembrane protein involved in sphingolipid and phosphatydilserine biogenesis and a known retroviral restriction factor. Here, Timilsina et al. show that SERINC5 is a host restriction factor for SARS-CoV-2 that prevents viral fusion during entry. Further they show that viral ORF7a counteracts SERINC5 anti-viral activity by blocking its incorporation into progeny virions.
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spelling doaj.art-6c2597e68f2e4a9cbb0f8dad7c3e66702022-12-22T02:43:40ZengNature PortfolioNature Communications2041-17232022-05-0113111510.1038/s41467-022-30609-9SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5Uddhav Timilsina0Supawadee Umthong1Emily B. Ivey2Brandon Waxman3Spyridon Stavrou4Department of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, University at BuffaloDepartment of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, University at BuffaloDepartment of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, University at BuffaloDepartment of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, University at BuffaloDepartment of Microbiology and Immunology, Jacobs School of Medicine and Biomedical Sciences, University at BuffaloSERINC5, is a cellular multipass transmembrane protein involved in sphingolipid and phosphatydilserine biogenesis and a known retroviral restriction factor. Here, Timilsina et al. show that SERINC5 is a host restriction factor for SARS-CoV-2 that prevents viral fusion during entry. Further they show that viral ORF7a counteracts SERINC5 anti-viral activity by blocking its incorporation into progeny virions.https://doi.org/10.1038/s41467-022-30609-9
spellingShingle Uddhav Timilsina
Supawadee Umthong
Emily B. Ivey
Brandon Waxman
Spyridon Stavrou
SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5
Nature Communications
title SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5
title_full SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5
title_fullStr SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5
title_full_unstemmed SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5
title_short SARS-CoV-2 ORF7a potently inhibits the antiviral effect of the host factor SERINC5
title_sort sars cov 2 orf7a potently inhibits the antiviral effect of the host factor serinc5
url https://doi.org/10.1038/s41467-022-30609-9
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