ArticleProceedings of the National Academy of Sciences of the United States of America2009
Origin, antiviral function and evidence for positive selection of the gammaretrovirus restriction gene Fv1 in the genus Mus.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 50 papers.
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50 citing papers in PubMed, 76 citations in OpenAlex.
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- Retrocopying expands the functional repertoire of APOBEC3 antiviral proteins in primates.eLife · 2020Article
- Duplication and divergence of the retrovirus restriction gene Fv1 in Mus caroli allows protection from multiple retroviruses.PLoS genetics · 2020Article
- Demographic and environmental drivers of metagenomic viral diversity in vampire bats.Molecular ecology · 2020Article
- Human Endogenous Retrovirus K (HML-2) in Health and Disease.Frontiers in microbiology · 2020Review
- Convergent Co-option of the RetroviralJournal of virology · 2019Article
- Distribution of endogenous gammaretroviruses and variants of the Fv1 restriction gene in individual mouse strains and strain subgroups.PloS one · 2019Article
Corrections and comments
- Erratum issued
Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
Abstract
The Fv1 virus resistance gene is a coopted endogenous retrovirus (ERV) sequence related to the gag gene of the MuERV-L ERV family. Three major Fv1 resistance alleles have been identified in laboratory mice, and they target virus capsid genes to produce characteristic patterns of resistance to mouse leukemia viruses (MLVs). We identified Fv1 in 3 of the 4 Mus subgenera; its absence from Coelomys and 1 of 3 species of Pyromys indicate Fv1 was acquired shortly after the origin of the Mus genus. We sequenced Fv1 genes from 21 mice representative of the major taxonomic groups of Mus. Two lines of evidence indicate that Fv1 has had antiviral function for 7 million years of evolution. First, 2 species of African pygmy mice (subgenus Nannomys) show an Fv1-like MLV resistance, and transduced cells expressing the Nannomys Fv1 gene reproduce this resistance pattern. Second, sequence comparisons suggest that Fv1 has been involved in genetic conflicts throughout Mus evolution. We found evidence for strong positive selection of Fv1 and identified 6 codons that show evidence of positive selection: 3 codons in the C-terminal region including 2 previously shown to contribute to Fv1 restriction in laboratory mice, and 3 codons in a 10-codon segment overlapping the major homology region of Fv1; this segment is known to be involved in capsid multimerization. This analysis suggests that Fv1 has had an antiviral role throughout Mus evolution predating exposure of mice to the MLVs restricted by laboratory mouse Fv1, and suggests a mechanism for Fv1 restriction.
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