Genetic polymorphism of mitochondrial control region in <I>Chiloscyllium plagiosum</I> from coastal waters of southern China

CHEN Xiao; YANG Sheng-yun; PAN Cong

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CHEN Xiao, YANG Sheng-yun, PAN Cong. Genetic polymorphism of mitochondrial control region in Chiloscyllium plagiosum from coastal waters of southern China[J]. Haiyang Xuebao, 2008, 30(6): 115-121.

Citation:

CHEN Xiao, YANG Sheng-yun, PAN Cong. Genetic polymorphism of mitochondrial control region in Chiloscyllium plagiosum from coastal waters of southern China[J]. Haiyang Xuebao, 2008, 30(6): 115-121.

CHEN Xiao, YANG Sheng-yun, PAN Cong. Genetic polymorphism of mitochondrial control region in Chiloscyllium plagiosum from coastal waters of southern China[J]. Haiyang Xuebao, 2008, 30(6): 115-121.

Citation:

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Genetic polymorphism of mitochondrial control region in Chiloscyllium plagiosum from coastal waters of southern China

College of Oceanography and Environmental Science, Xiamen University, Xiamen 361005, China

Received Date: 2008-03-30
Rev Recd Date: 2008-09-26

Abstract

Abstract

The entire mitochondrial control region sequences (1 094—1 096 nucleotides) were amplified from 5 Chiloscyllium plagiosum populations(Mindong, Minnan, Yuexi, Hainan, Beibuwan) in the coastal waters of southern China and 8 haplotypes were defined by 6 poly morphic sites after sequence alignment.The low levels of gene diversity(h=0.542 5~0.744 8) and nucleotide diversity (π=0.000 571~0.000 980) indicate slow rates of mitochondrial DNA evolution in C.plagiosum.The results of AMOVA reveal the variation occur most within populations and minor among populations(Fst=0.216 26, P < 0.000 1).The 5 populations were classified into two geographic populations (Taiwan straits population, Northern South China Sea population) by exact test of population differentiation and nested clade analyses.The results indicate that the gene flow of C.plagiosum expands in coastal waters and genetic variations are affected by geographic structure and distance isolation.
- coastal waters of southern China,
- Chiloscyllium plagiosum,
- mitochondrial control region,
- gene flow

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References(29)

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