Article ; Online: Bidirectional genome-wide CRISPR screens reveal host factors regulating SARS-CoV-2, MERS-CoV and seasonal HCoVs.
2022 Volume 54, Issue 8, Page(s) 1090–1102
Abstract: CRISPR knockout (KO) screens have identified host factors regulating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) replication. Here, we conducted a meta-analysis of these screens, which showed a high level of cell-type specificity of the ... ...
| Abstract | CRISPR knockout (KO) screens have identified host factors regulating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) replication. Here, we conducted a meta-analysis of these screens, which showed a high level of cell-type specificity of the identified hits, highlighting the necessity of additional models to uncover the full landscape of host factors. Thus, we performed genome-wide KO and activation screens in Calu-3 lung cells and KO screens in Caco-2 colorectal cells, followed by secondary screens in four human cell lines. This revealed host-dependency factors, including AP1G1 adaptin and ATP8B1 flippase, as well as inhibitors, including mucins. Interestingly, some of the identified genes also modulate Middle East respiratory syndrome coronavirus (MERS-CoV) and seasonal human coronavirus (HCoV) (HCoV-NL63 and HCoV-229E) replication. Moreover, most genes had an impact on viral entry, with AP1G1 likely regulating TMPRSS2 activity at the plasma membrane. These results demonstrate the value of multiple cell models and perturbational modalities for understanding SARS-CoV-2 replication and provide a list of potential targets for therapeutic interventions. |
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| MeSH term(s) | COVID-19/genetics ; Caco-2 Cells ; Clustered Regularly Interspaced Short Palindromic Repeats/genetics ; Humans ; Middle East Respiratory Syndrome Coronavirus/genetics ; SARS-CoV-2/genetics ; Seasons | ||||||||||
| Language | English | ||||||||||
| Publishing date | 2022-07-25 | ||||||||||
| Publishing country | United States | ||||||||||
| Document type | Journal Article ; Meta-Analysis ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural | ||||||||||
| ZDB-ID | 1108734-1 | ||||||||||
| ISSN | 1546-1718 ; 1061-4036 | ||||||||||
| ISSN (online) | 1546-1718 | ||||||||||
| ISSN | 1061-4036 | ||||||||||
| DOI | 10.1038/s41588-022-01110-2 | ||||||||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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