Volume 3 Issue 2
Apr.  2007
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LUO Jiacong, XIAO Yongshuang, SONG Lin, GAO Tianxiang, Zhang Yan. Phylogenetic separation of lancelets in China revealed by mitochondrial COI and Cyt b gene analysis[J]. South China Fisheries Science, 2007, 3(2): 8-14.
Citation: LUO Jiacong, XIAO Yongshuang, SONG Lin, GAO Tianxiang, Zhang Yan. Phylogenetic separation of lancelets in China revealed by mitochondrial COI and Cyt b gene analysis[J]. South China Fisheries Science, 2007, 3(2): 8-14.
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Phylogenetic separation of lancelets in China revealed by mitochondrial COI and Cyt b gene analysis

  • 1.

    Key Laboratory of Mariculture, Ministry of Education of China, Ocean University of China, Qingdao 266003, China

  • 2.

    Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China

  • 3.

    Eastern Liaoning University, Dandong 118001, China

Funds: 

the National High Technology Research and Development Program of China 2006AA09Z418

More Information
  • Author Bio:

    LUO Jiacong: Luo Jiacong(1966-), male, master. Mainly engaging in investigation and management of fishery resource. E-mail: jcluo125@sohu.com

  • Corresponding author:

    Gao Tianxiang, E-mail: gaozhang@ouc.edu.cn

  • Received Date: December 07, 2006
  • Revised Date: December 20, 2006
    Graphical Abstract
    • Abstract

  • The amphioxus distributes along the east coast of China from Xiamen waters to Bohai Sea and Japanese waters. It is commonly accepted that amphioxus in both Bohai Sea and Japanese waters belong to Branchiostoma belcheri tsingtauense, a subspecies of B. belcheri, according to the previous survey on the morphological characteristics. Nevertheless, the genetic distance between Xiamen amphioxus and Qingdao amphioxus averages 18.8% and 20.3% based on partial sequence analysis of COI and Cyt b gene, which is much higher than that is observed in other intraspecific variations in the present paper. The values between Japanese amphioxus and Qingdao amphioxus are only 1.3% and 0.9% based on partial sequence analysis of COI and Cyt b gene, which indicates both of them should belong to the same species. Above all, our results support the viewpoint that amphioxus in Qingdao and Xiamen might belong to different species and the original subspecies B. belcheri tsingtauense should be renamed as a separate species and its new scientific name should be B. tsingtauense.

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    • References (18)
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