Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evades the innate immune machinery through multiple viral proteins, including nonstructural protein 1 (NSP1). While NSP1 is known to suppress translation of host mRNAs, the mechanisms underlying its immune evasion properties remain elu...

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Main Authors: Dimitrios G Anastasakis, Daniel Benhalevy, Nicolas Çuburu, Nihal Altan-Bonnet, Markus Hafner
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2024-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0297262&type=printable
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author Dimitrios G Anastasakis
Daniel Benhalevy
Nicolas Çuburu
Nihal Altan-Bonnet
Markus Hafner
author_facet Dimitrios G Anastasakis
Daniel Benhalevy
Nicolas Çuburu
Nihal Altan-Bonnet
Markus Hafner
author_sort Dimitrios G Anastasakis
collection DOAJ
description The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evades the innate immune machinery through multiple viral proteins, including nonstructural protein 1 (NSP1). While NSP1 is known to suppress translation of host mRNAs, the mechanisms underlying its immune evasion properties remain elusive. By integrating RNA-seq, ribosome footprinting, and ChIP-seq in A549 cells we found that NSP1 predominantly represses transcription of immune-related genes by favoring Histone 3 Lysine 9 dimethylation (H3K9me2). G9a/GLP H3K9 methyltransferase inhibitor UNC0638 restored expression of antiviral genes and restricted SARS-CoV-2 replication. Our multi-omics study unravels an epigenetic mechanism underlying host immune evasion by SARS-CoV-2 NSP1. Elucidating the factors involved in this phenomenon, may have implications for understanding and treating viral infections and other immunomodulatory diseases.
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spelling doaj.art-a1cbe667de2442479febe318661cba5f2024-10-26T05:30:58ZengPublic Library of Science (PLoS)PLoS ONE1932-62032024-01-01191e029726210.1371/journal.pone.0297262Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.Dimitrios G AnastasakisDaniel BenhalevyNicolas ÇuburuNihal Altan-BonnetMarkus HafnerThe severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evades the innate immune machinery through multiple viral proteins, including nonstructural protein 1 (NSP1). While NSP1 is known to suppress translation of host mRNAs, the mechanisms underlying its immune evasion properties remain elusive. By integrating RNA-seq, ribosome footprinting, and ChIP-seq in A549 cells we found that NSP1 predominantly represses transcription of immune-related genes by favoring Histone 3 Lysine 9 dimethylation (H3K9me2). G9a/GLP H3K9 methyltransferase inhibitor UNC0638 restored expression of antiviral genes and restricted SARS-CoV-2 replication. Our multi-omics study unravels an epigenetic mechanism underlying host immune evasion by SARS-CoV-2 NSP1. Elucidating the factors involved in this phenomenon, may have implications for understanding and treating viral infections and other immunomodulatory diseases.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0297262&type=printable
spellingShingle Dimitrios G Anastasakis
Daniel Benhalevy
Nicolas Çuburu
Nihal Altan-Bonnet
Markus Hafner
Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.
PLoS ONE
title Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.
title_full Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.
title_fullStr Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.
title_full_unstemmed Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.
title_short Epigenetic repression of antiviral genes by SARS-CoV-2 NSP1.
title_sort epigenetic repression of antiviral genes by sars cov 2 nsp1
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0297262&type=printable
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