ArticleVirology journal2024
Highly homologous simian T-cell leukemia virus type 1 genome in Japanese macaques: a large cohort study.
Article in Virology journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Quarantine-associated viral pathogens in non-human primates: pathobiology, diagnostic surveillance, control strategies, and one health implications.Frontiers in veterinary science · 2026Review
- Investigating STLV-1 infection in African green monkeys: a model for understanding HTLV-1 pathogenesis.Frontiers in medicine · 2025Article
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9 authors.
Funding
Abstract
backgroundSimian T-cell leukemia virus type 1 (STLV-1) is a retrovirus closely related to human T-cell leukemia virus type 1 (HTLV-1), the causative agent of adult T-cell leukemia (ATL). It has been shown that Japanese macaques (Macaca fuscata, JMs) are one of the main hosts of STLV-1 and that a high percentage of JMs (up to 60%) are infected with STLV-1; however, the molecular epidemiology of STLV-1 in JMs has not been examined.
methodsIn this study, we analyzed full-length STLV-1 genome sequences obtained from 5 independent troops including a total of 68 JMs.
resultsThe overall nucleotide heterogeneity was 4.7%, and the heterogeneity among the troops was 2.1%, irrespective of the formation of distinct subclusters in each troop. Moreover, the heterogeneity within each troop was extremely low (>99% genome homology) compared with cases of STLV-1 in African non-human primates as well as humans. It was previously reported that frequent G-to-A single-nucleotide variants (SNVs) occur in HTLV-1 proviral genomes in both ATL patients and HTLV-1 carriers, and that a G-to-A hypermutation is associated with the cellular antiviral restriction factor, Apobec3G. Surprisingly, these SNVs were scarcely observed in the STLV-1 genomes in JMs.
conclusionsTaken together, these results indicate that STLV-1 genomes in JMs are highly homologous, at least in part due to the lack of Apobec3G-dependent G-to-A hypermutation.
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