Exploring the role of endogenous retroviruses in seasonal reproductive cycles: a case study of the ERV-V envelope gene in mink

文献类型： 外文期刊

第一作者： Zhang, Yufei

作者： Zhang, Yufei;Liu, Fang;Li, Huiping;Liu, Shuying;Wang, Gaofeng;Zhu, Yanzhu;Cao, Xiaodong;Liu, Shuying;Liu, Shuying

作者机构：

关键词： endogenous retroviruses; retrovirus; envelope; mink; seasonal breeder; testis; testis regression

期刊名称：FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY （ 影响因子：4.6； 五年影响因子：5.1 ）

ISSN： 2235-2988

年卷期： 2024 年 14 卷

页码：

收录情况： SCI

摘要： Introduction Endogenous retroviruses (ERVs), which originated from exogenous retroviral infections of germline cells millions of years ago and were inherited by subsequent generations as per Mendelian inheritance patterns, predominantly comprise non-protein-coding sequences due to the accumulation of mutations, insertions, deletions, and truncations. Nevertheless, recent studies have revealed that ERVs play a crucial role in diverse biological processes by encoding various proteins.Methods In this study, we successfully identified an ERV envelope (env) gene in a mink species. A phylogenetic tree of mink ERV-V env and reference sequences was constructed using Bayesian methods and maximum-likelihood inference.Results Phylogenetic analyses indicated a significant degree of sequence conservation and positive selection within the env-surface open reading frame. Additionally, qRT-PCR revealed diverse patterns of mink ERV-V env expression in various tissues. The expression of mink ERV-V env gene in testicular tissue strongly correlated with the seasonal reproductive cycles of minks.Discussion Our study suggests that the ERV-V env gene in mink may have been repurposed for host functions.

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