昆虫学报2008，Vol.51Issue(2)：166-181,16.
豉甲科及水生肉食亚目的分子系统发育学分析(昆虫纲:鞘翅目)
Phylogeny of Gyrinidae and Hydradephaga (Insecta: Coleoptera) based on CO I gene: a case study using codon-partitioning schemes in phylogenetic tree reconstruction
摘要
Abstract
Codon partition schemes were compared in phylogenetic analyses at subfamily level for Gyrinidae and atfamily level for Hydradephaga based on partial mitochondrial CO I gene sequences. The results consistentlydemonstrated superiority for second codon partition data in analyses using ME, MP, or ML algorithms implemented inPAUP and Bayesian algorithm implemented in MrBayes. Optimal trees were inferred using PAUP based on secondcodon partition data and using MrBayes based on combined eodon data, which showed good consistency and wereconsistent with the trees inferred from corresponding translated amino acid data. All analysis placed the Enhydrinaespecies Porrorhynchus landaisi landaisi in the unexpected most basal position of the Hydradephaga phylogenetie tree,which was supported by SH tests, justifying this species a monotypie family within Hydradephaga. In the ML treebased on the second codon partition data of the Hydradephaga dataset, monophyly of the whole Hydradephaga was wellsupported and Haliplidae and Dytiscoidea (=Dytiscidae, Hygrobiidae, Noteridae, and Amphizoidae) appeared assister monophyletic groups. Topology of the trees was in accordance with the polyphyly hypothesis postulating threeindependent transitions to the aquatic environment. Mitochondrial DNA clock analysis suggested the radiation within arelatively short period of time (0.01-1.81 mya) of five pairs of closely related species that are currently distributedindifferent geographic regions.关键词
豉甲科/线粒体COI基因/系统发育学/水生肉食亚目Key words
Gyrinidae/mitochondrial CO I gene/ phylogenetic relationship/ Hydradephaga分类
生物科学引用本文复制引用
习欠云,邓日强,王瑾雯,贾凤龙,王殉章..豉甲科及水生肉食亚目的分子系统发育学分析(昆虫纲:鞘翅目)[J].昆虫学报,2008,51(2):166-181,16.基金项目
The Natural Science Foundation of Guangdong Province under Grant 04009785 funded this work. （）
