文献类型： 外文期刊
作者： Sun, Bao-Fa 1 ; Li, Tong 3 ; Xiao, Jin-Hua 1 ; Jia, Ling-Yi 1 ; Liu, Li 4 ; Zhang, Peng 1 ; Murphy, Robert W. 5 ; He, Shu 1 ;
作者机构： 1.Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Beijing Inst Genom, CAS Key Lab Genom & Precis Med, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Plant Protect, Henan Acad Agr Sci, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Inst Microbiol, Network & Informat Ctr, Beijing 100101, Peoples R China
5.Royal Ontario Museum, Dept Nat Hist, Toronto, ON M5S 2C6, Canada
6.Shandong Agr Univ, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2015 年 5 卷
页码：
收录情况： SCI
摘要： Invertebrates can acquire functional genes via horizontal gene transfer (HGT) from bacteria but fishes are not known to do so. We provide the first reliable evidence of one HGT event from marine bacteria to fishes. The HGT appears to have occurred after emergence of the teleosts. The transferred gene is expressed and regulated developmentally. Its successful integration and expression may change the genetic and metabolic repertoire of fishes. In addition, this gene contains conserved domains and similar tertiary structures in fishes and their putative donor bacteria. Thus, it may function similarly in both groups. Evolutionary analyses indicate that it evolved under purifying selection, further indicating its conserved function. We document the first likely case of HGT of functional gene from prokaryote to fishes. This discovery certifies that HGT can influence vertebrate evolution.
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