| LIN Xiangzhi,ZHENG Xiaodong,XIAO Shu,WANG Rucai.Phylogeny of the cuttlefishes (Mollusca: Cephalopoda) based on mitochondrial COI and 16S rRNA gene sequence data[J].Acta Oceanologica Sinica,2004,(4):699-707 |
| Phylogeny of the cuttlefishes (Mollusca: Cephalopoda) based on mitochondrial COI and 16S rRNA gene sequence data |
| Phylogeny of the cuttlefishes (Mollusca: Cephalopoda) based on mitochondrial COI and 16S rRNA gene sequence data |
| 投稿时间：2004-01-11 修订日期：2004-08-20 |
| DOI： |
| 中文关键词: phylogeny cephalopods cuttlefish COI 16S rRNA |
| 英文关键词:phylogeny cephalopods cuttlefish COI 16S rRNA |
| 基金项目: |
| 作者 | 单位 | E-mail | | LIN Xiangzhi | Mariculture Research Laboratory, Fishery College, Ocean University of China, Qingdao 266003, China
Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China | | | ZHENG Xiaodong | Mariculture Research Laboratory, Fishery College, Ocean University of China, Qingdao 266003, China | xdzheng@mail.ouc.edu.cn | | XIAO Shu | Mariculture Research Laboratory, Fishery College, Ocean University of China, Qingdao 266003, China | | | WANG Rucai | Mariculture Research Laboratory, Fishery College, Ocean University of China, Qingdao 266003, China | |
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| 中文摘要: |
| To clarify cuttlefish phylogeny,mitochondrial cytochrome c oxidase subunit Ⅰ (COI) gene and partial 16S rRNA gene are sequenced for 13 cephalopod species.Phylogenetic trees are constructed,with the neighbor-joining method.Coleoids are divided into two main lineages,Decabrachia and Octobrachia.The monophyly of the order Sepioidea,which includes the families Sepiidae,Sepiolidae and Idiosepiidae,is not supported.From the two families of Sepioidea examined,the Sepiolidae are polyphyletic and are excluded from the order.On the basis of 16S rRNA and amino acid of COI gene sequences data,the two genera (Sepiella and Sepia) from the Sepiidae can be distinguished,but do not have a visible boundary using COI gene sequences.The reason is explained.This suggests that the 16S rDNA of cephalopods is a precious tool to analyze taxonomic relationships at the genus level,and COI gene is fitter at a higher taxonomic level (i.e.,family). |
| 英文摘要: |
| To clarify cuttlefish phylogeny,mitochondrial cytochrome c oxidase subunit Ⅰ (COI) gene and partial 16S rRNA gene are sequenced for 13 cephalopod species.Phylogenetic trees are constructed,with the neighbor-joining method.Coleoids are divided into two main lineages,Decabrachia and Octobrachia.The monophyly of the order Sepioidea,which includes the families Sepiidae,Sepiolidae and Idiosepiidae,is not supported.From the two families of Sepioidea examined,the Sepiolidae are polyphyletic and are excluded from the order.On the basis of 16S rRNA and amino acid of COI gene sequences data,the two genera (Sepiella and Sepia) from the Sepiidae can be distinguished,but do not have a visible boundary using COI gene sequences.The reason is explained.This suggests that the 16S rDNA of cephalopods is a precious tool to analyze taxonomic relationships at the genus level,and COI gene is fitter at a higher taxonomic level (i.e.,family). |
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