Partial sequence analysis of mitochondrial COI gene of the chinese shrimp, <Emphasis Type="Italic">fenneropenaeus chinensis</Emphasis> |
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| Authors: | Gao?Tianxiang Email author" target="_blank">LI?JianEmail author Wang?Qingyin Liu?Jinxian |
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| Institution: | (1) The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 266003 Qingdao, P.R. China;(2) Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 266071 Qingdao, P.R. China |
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| Abstract: | Eight hundred and thirty eight base pair fragment of mitochondrial COI gene of wild and cultured populations (CP1, CP4, CP5
and CP6) of Fenneropenaeus chinensis was amplified and sequenced. The A, T, G and C contents of the sequence were 235 bp (28.0%), 307 bp (36.6%), 138 bp (16.5%)
and 158 bp (18.9%), respectively. Furthermore, 556 bp fragment of the sequence was used to discuss the phylogenetic relationship
among 14 Penaeidae species using Alpheus armillatus as the outgroup. From the molecular phylogenetic tree constructed by neighbor-joining method, we obtained three large shrimp
groups: Farfantepenaeus, Litopenaeus and Fenneropenaeus group. The results also indicated that there were a closer genetic relationships between F. aztecus and F. paulensis, L. schmitti and L. setiferus, F. indicus and F. merguiensis, and the genus Farfantepenaeus was closer to Litopenaeus. |
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| Keywords: | Fenneropenaeus chinensis Cytochrome oxidase subunit 1(COI) DNA sequence Penaeidae Phylogeny |
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