Phylogenetic relationship of Podocopida (Ostracoda: Podocopa) based on 18S ribosomal DNA sequences

被引：0
|
作者：
Yu, N [1 ]
Zhao, MY [1 ]
Chen, LQ [1 ]
Yang, P [1 ]
机构：
[1] E China Normal Univ, Sch Life Sci, Shanghai 200062, Peoples R China
来源：
ACTA OCEANOLOGICA SINICA | 2006年 / 25卷 / 02期
关键词：
18S rDNA; nuclear gene; molecular phylogeny; Podocopida; Ostracoda;
D O I：
暂无
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
Nucleotide sequences from 18S rDNA of 11 ostracodes, which represent four suborders and six superfamilies of podocopidan, were determined. The phylogenetic relationships were analyzed based on three kinds of methods (maximum-likelihood, maximum-parsimony, and neighbor-joining), and the three topologies gained were basically similar. The results have showed that (1) a monophyletic Podocopida was supported strongly; (2) the phylogenetic relationships of four suborders were (Darwinulocopina plus (Bairdiocopina plus (Cytherocopina plus Cypridocopina))), which indicated that a close relationship between Cytherocopina and Cypridocopina, and Darwinulocopina had separated early from the main podocopinan; (3) Cypridocopinan formed a monophyletic group, among which the phylogenetic relationship of three superfamilies was (Cypridoidea plus (Macrocypridoidea plus Pontocypridoidea)).
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页码：99 / 108
页数：10
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