A preliminary genetic distinctness of four Coilia fishes (Clupeiformes : Engraulidae) inferred from mitochondrial DNA sequences
文献类型: 外文期刊
第一作者: Cheng, Q.
作者: Cheng, Q.;Cheng, H.;Wang, L.;Zhong, Y.;Lu, D.;Cheng, Q.
作者机构:
期刊名称:RUSSIAN JOURNAL OF GENETICS ( 影响因子:0.581; 五年影响因子:0.729 )
ISSN: 1022-7954
年卷期: 2008 年 44 卷 3 期
页码:
收录情况: SCI
摘要: In order to understand the genetic distinctness between four Coilia fishes, i.e. (C. ectenes, C. e. taihuensis, C. mystus, and C. grayii) the combined cytochrome b (cytb), 12S rRNA and 16S rRNA gene sequences were obtained and analysed. The results are as follows: (1) Neighbour-joining (NJ) and maximum parsimony (MP) trees were built with 1000 bootstrap replicates. They supported that Coilia fishes consisted of two clades: C. grayii form a monophyletic group, and the remaining samples form the other monophyletic group; (2) The topological differences between the NJ tree and the MP tree are checked by Templeton test, indicating that their differences are insignificant (P > 0.05); and (3) Kimura two-parameter distances between the samples of C. ectenes, C. e. taihuensis, and C. mystus all do not exceed 1.6%, and most of them are between 0 and 0.9%. Coilia ectenes, C. e. taihuensis, and C. mystus are closely related and their differences may be under subspecies.
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