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Taxonomic status of four Crassostrea oysters from China as inferred from mitochondrial DNA sequences
Yu, ZN; Kong, XY; Zhang, LS; Guo, XM; Xiang, JH
2003-06-01
发表期刊JOURNAL OF SHELLFISH RESEARCH
卷号22期号:1页码:31-38
文章类型Article
摘要It has been presumed that there are four common Crassostrea oyster species along the coast of China: the Pacific oyster (Crassostrea gigas), Zhe oyster (C. plicatula), Suminoe oyster (C. ariakensis), and Dalianwan oyster (C. talienwhanensis). Classification and species identification of these Crassostrea oysters have been difficult because of morphologic plasticity. In this article, phylogenetic analysis was performed to clarify taxonomic status of these species using mitochondrial DNA sequence data. Nucleotide sequences of a 443-bp fragment of ribosomal RNA gene and a 579-bp segment of cytochrome c oxidase I gene were obtained through sequencing and used for analysis. Genetic distances among the four species, using C. virginica as outgroup, were computed based on the sequence data. and phylogenetic trees for the five species were generated. The divergence between C. gigas and C. talienwhanensis was very low, as was that between C. plicatula and C. ariakensis. Phylogenetic analysis showed that haplotypes of C. gigas and C. talienwhanensis clustered in one clade and those of C. plicatula and C. ariakensis in another one. Our data suggest that C. gigas and C. talienwhanensis may be the same species. However, the lack of divergence between C. plicatula and C. ariakensis samples may indicate that the C. plicatula specimen we sampled could actually be a morph of C. ariakensis living in high salinity habitats. More work is needed for confirmation.
关键词Crassostrea Oysters Taxonomy Phylogenetic Analysis 16s Rdna Coi Gene Nucleotide Sequences
收录类别SCI
语种英语
WOS记录号WOS:000184373200003
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/33005
专题实验海洋生物学重点实验室
作者单位1.Ocean Univ Qingdao, Coll Fisheries, Qingdao 266003, Peoples R China
2.Rutgers State Univ, Inst Marine & Coastal Sci, Haskin Shellfish Res Lab, Port Norris, NJ 08349 USA
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
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Yu, ZN,Kong, XY,Zhang, LS,et al. Taxonomic status of four Crassostrea oysters from China as inferred from mitochondrial DNA sequences[J]. JOURNAL OF SHELLFISH RESEARCH,2003,22(1):31-38.
APA Yu, ZN,Kong, XY,Zhang, LS,Guo, XM,&Xiang, JH.(2003).Taxonomic status of four Crassostrea oysters from China as inferred from mitochondrial DNA sequences.JOURNAL OF SHELLFISH RESEARCH,22(1),31-38.
MLA Yu, ZN,et al."Taxonomic status of four Crassostrea oysters from China as inferred from mitochondrial DNA sequences".JOURNAL OF SHELLFISH RESEARCH 22.1(2003):31-38.
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