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Topoisomerase III-ß is required for efficient replication of positive-sense RNA viruses
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Journal Article
Topoisomerase III-ß is required for efficient replication of positive-sense RNA viruses
2020
Overview
Based on genome-scale loss-of-function screens we discovered that Topoisomerase III-ß (TOP3B), a human topoisomerase that acts on DNA and RNA, is required for yellow fever virus and dengue virus-2 replication. Remarkably, we found that TOP3B is required for efficient replication of all positive-sense-single stranded RNA viruses tested, including SARS-CoV-2. While there are no drugs that specifically inhibit this topoisomerase, we posit that TOP3B is an attractive anti-viral target.
Publisher
Cold Spring Harbor Laboratory
Subject
