Molecular phylogeny of Parapenaeopsis Alcock, 1901 (Decapoda: Penaeidae) based on Chinese materials and 16S rDNA and COI sequence |
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| Authors: | Xinzheng Li Yan Xu Qi Kou |
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| Institution: | 1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, P. R. China
2. University of Chinese Academy of Sciences, Beijing, 100039, P. R. China
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| Abstract: | The phylogenetic relationship among Chinese Parapenaeopsis species was studied by comparing 16S rDNA and COI gene sequence. The results showed that Parapenaeopsis hardwickii (Miers, 1878) and P. cultrirostris Alcock, 1906 identified from Chinese samples were the same species. Parapenaeopsis cornuta (Kishinouye, 1900), P. incisa Liu and Wang, 1987, and P. sinica Liu and Wang, 1987 were different species. However, their systematic relationship were closer than those of other species, and they formed an advanced branch in the phylogenetic trees. Additionally, the systematic position of P. hardwickii (Miers, 1878), P. hungerfordi Alcock, 1905, and P. tenella (Bate, 1888) were not stable in the phylogenetic trees. More genetic markers such as 18S rDNA and 28S rDNA were supposed to be used to confirm the phylogenic relationship of Parapenaeopsis species. |
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| Keywords: | Parapenaeopsis Decapoda Crustacea phylogeny S rDNA COI |
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