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Issue:ISSN 1000-7083
          CN 51-1193/Q
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Your Position :Home->Past Journals Catalog->2019 Vol.38 No.5

Analysis of Endogenous Retroviruses in Sichuan Partridge's Genome
Author of the article:ZHENG Shuai1, ZHOU Chuang1, FAN Zhenxin1, LI Jing1, YUE Bisong1, MENG Yang1,2*
Author's Workplace:1. Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China;
2. Museum of Natural History, Sichuan University, Chengdu 610065, China
Key Words:Arborophila rufipectus; genome; endogenous retrovirus; endogenous retrovirus family; endogenous retrovirus age
Abstract:Endogenous retroviruses (ERV) are viral genomes that can insert and stably inherit in the host's genome. The expression and replication of ERV genomes are capable of regulating the expression of neighboring host genes and inhabiting the infection of homologous viruses. We identified 3 962 ERV copies in the genome of Sichuan partridge (Arborophila rufipectus), in which 4 copies had complete structures, 72 copies were capable of expressing and replicating and 554 copies had protein domains encoded by gag, pol or env genes. Based on the similarity of reverse transcriptase sequence, 7 ERV families were identified, and the names of these retroviruses were assigned according to the degree of sequence similarity with other species' ERV. Among the 7 families, AruERV-L was found to have the largest family size containing 122 copies. The ages of ERV in the 7 families distributed between 0 and 12 million years, and AruERV-K1 might be the youngest family with approximately 86% copies within 1 million years old.
2019,38(5): 521-525 收稿日期:2019-03-11
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