Article ; Online: Unconventional viral gene expression mechanisms as therapeutic targets.
2021 Volume 593, Issue 7859, Page(s) 362–371
Abstract: Unlike the human genome that comprises mostly noncoding and regulatory sequences, viruses have evolved under the constraints of maintaining a small genome size while expanding the efficiency of their coding and regulatory sequences. As a result, viruses ... ...
Abstract | Unlike the human genome that comprises mostly noncoding and regulatory sequences, viruses have evolved under the constraints of maintaining a small genome size while expanding the efficiency of their coding and regulatory sequences. As a result, viruses use strategies of transcription and translation in which one or more of the steps in the conventional gene-protein production line are altered. These alternative strategies of viral gene expression (also known as gene recoding) can be uniquely brought about by dedicated viral enzymes or by co-opting host factors (known as host dependencies). Targeting these unique enzymatic activities and host factors exposes vulnerabilities of a virus and provides a paradigm for the design of novel antiviral therapies. In this Review, we describe the types and mechanisms of unconventional gene and protein expression in viruses, and provide a perspective on how future basic mechanistic work could inform translational efforts that are aimed at viral eradication. |
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MeSH term(s) | Animals ; Antiviral Agents/pharmacology ; Antiviral Agents/therapeutic use ; Frameshifting, Ribosomal/drug effects ; Frameshifting, Ribosomal/genetics ; Gene Expression Regulation, Viral/drug effects ; Gene Expression Regulation, Viral/genetics ; Genome, Viral/drug effects ; Genome, Viral/genetics ; Host Microbial Interactions/drug effects ; Host Microbial Interactions/genetics ; Humans ; RNA Splicing/drug effects ; RNA Splicing/genetics ; Virus Diseases/drug therapy ; Virus Diseases/virology |
Chemical Substances | Antiviral Agents |
Language | English |
Publishing date | 2021-05-19 |
Publishing country | England |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review |
ZDB-ID | 120714-3 |
ISSN | 1476-4687 ; 0028-0836 |
ISSN (online) | 1476-4687 |
ISSN | 0028-0836 |
DOI | 10.1038/s41586-021-03511-5 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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