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Genetic Diversity and Population Structure of the Peanut Worm (Sipunculus nudus) in Southern China as Inferred from Mitochondrial 16S rRNA Sequences

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Title: Genetic Diversity and Population Structure of the Peanut Worm (Sipunculus nudus) in Southern China as Inferred from Mitochondrial 16S rRNA Sequences
Authors: Xiadong, Du
Zian, Chen
Yuewen, Deng
Qingheng, Wang
Ronglian, Huang
Keywords: peanut worm, Sipunculus nudus, genetic diversity, population structure, 16S rRNA gene
LC Subject Headings: Fish culture--Israel--Periodicals.
Fish culture--Periodicals.
Aquaculture--Israel--Periodicals.
Aquaculture--Periodicals.
Issue Date: 2008
Publisher: Israeli Journal of Aquaculture - BAMIGDEH
Citation: Xiadong, D., Zian, C., Yuewen, D., Qingheng, W., & Ronglian, H. (2008). Genetic Diversity and Population Structure of the Peanut Worm (Sipunculus nudus) in Southern China as Inferred from Mitochondrial 16S rRNA Sequences. The Israeli Journal of Aquaculture - Bamidgeh, 60(4), 237-242.
Series/Report no.: The Israeli Journal of Aquaculture - Bamidgeh
Abstract: Genetic diversity and population structure of the peanut worm (Sipunculus nudus) were investi- gated by using 536 base-pair fragments of the mitochondrial 16S ribosomal gene. Populations were collected from three locations along the southern coast of China - Beihai, Sanya, and Xiamen. Amplified polymerase chain reaction products were sequenced in both directions and data were analyzed using ClustalX, Arlequin, and MEGA. A total of 69 polymorphic sites and 21 distinct haplotypes were revealed. The mean haplotype and nucleotide diversity of the three pop- ulations were 0.814% and 0.37%, respectively. The Beihai population had the greatest haplo- type and nucleotide diversity, followed by the Xiamen and Sanya populations. Analysis of mole- cular variance (AMOVA) showed significant genetic differentiation among the three populations (Fst = 0.0619, p<0.05) and distinct population structures among the three sites.
Pages/Duration: 6 pages
URI/DOI: http://hdl.handle.net/10524/19268
ISSN: 0792-156X
Appears in Collections:IJA Volume 60, Issue 4, 2008



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