Mitochondrial DNA Control Region and Cytochrome b Sequence Variation in the Genus Mystacoleucus Günther (Pisces: Cyprinidae: Barbinae) from China

被引：4
作者：
Qing-Peng Kong
Yong-Gang Yao
Shun-You Huang
Jing-Fei Huang
Ya-Ping Zhang
机构：
来源：
Biochemical Genetics | 2003年 / 41卷
关键词：
mtDNA; control region; cytochrome ;
D O I：
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中图分类号：
学科分类号：
摘要：
Mitochondrial DNA (mtDNA) hypervariable segment I sequences (HVSI, 471 bp) of the control region and partial cytochrome b sequences (Cytb, 403 bp) were analyzed in three tentative species of the genus Mystacoleucus in China (M. chilopterus, M. marginatus, and M. lepturus). Not more than two mutations were found in both the HVSI and Cytb fragments among the samples from M. chilopterus and M. marginatus. However, M. lepturus differed from each of them by at least 25 mutations in Cytb and 51 mutations in HVSI. Moreover, the HVSI sequence variation within M. lepturus was larger than that between M. chilopterus and M. marginatus. Given that M. chilopterus and M. marginatus are very similar in morphology, it is reasonable to consider M. chilopterus and M. marginatus as conspecific. Our results also suggest a recent radiation of M. marginatus from downstream to upstream of the Lancangjiang (Mekong) River.
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页码：305 / 313
页数：8
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