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	Complete mitochondrial genomes defining two distinct lancelet species in the West Pacific Ocean
	Zhong, Jing ; Zhang, Qiujin ; Xu, Qunshan ; Schubert, Michael（Univ Lyon, Mol Zool Grp, Inst Genom Fonct Lyon, Lyon, France） ; Laudet, Vincent（Univ Lyon, Mol Zool Grp, Inst Genom Fonct Lyon, Lyon, France） ; Wang, Yiquan ; Wang YQ(王义权)
	2009
关键词	Lancelet Branchiostoma belcheri B.japonicum diagnostic method mitochondrial genome taxonomy
英文摘要	For many years, the lancelet Branchiostoma belcheri had been considered a widely distributed species throughout the West Pacific Ocean. Several recent studies divided it into two separate species based on significant morphological and genetic divergence. However, this taxonomic subdivision has not yet been fully accepted by the scientific community. In order to further clarify the taxonomic status of the West Pacific lancelets, we present here complete mitochondrial genomes (mitogenomes) of two species and compare them at both genomic and phylogenetic levels. These comparisons reveal a significant genetic differentiation and show a deep phylogenetic division. Moreover, to get more insights into the phylogeography of this species complex, we sampled lancelets from Qingdao and Maoming (China) and sequenced their 12S rRNA gene, then combined the data with those from Xiamen and Japan lancelets for phylogenetic analysis. The results were consistent with our previous identification and proved that the lancelets distributed in Qingdao and Japan as well as B. japonicum in Xiamen waters belong to the same species, and those in Maoming and B. belcheri in Xiamen waters are different. Finally, we discuss the implications of these findings on the distribution of lancelets in the West Pacific Ocean.; NSFC [30570208]; Ministry of Education of China [20070384041]; State Key Laboratory of Biocontrol, Sun Yat-Sen University, China [2005-06]
语种	英语
出版者	TAYLOR & FRANCIS AS
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1080/17451000802430817]
专题	生命科学－已发表论文
推荐引用方式 GB/T 7714	Zhong, Jing,Zhang, Qiujin,Xu, Qunshan,et al. Complete mitochondrial genomes defining two distinct lancelet species in the West Pacific Ocean[J],2009.
APA	Zhong, Jing.,Zhang, Qiujin.,Xu, Qunshan.,Schubert, Michael.,Laudet, Vincent.,...&王义权.(2009).Complete mitochondrial genomes defining two distinct lancelet species in the West Pacific Ocean..
MLA	Zhong, Jing,et al."Complete mitochondrial genomes defining two distinct lancelet species in the West Pacific Ocean".(2009).

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