Genetic Diversity and Differentiation of Fenneropenaeus Penicillatus Populations by Allozyme Analyses

Zhang, Guiling; Cao, Yuanyu; Li, Zhongbao; Jin, Chen; Zhao, Binli; Lei, Guanggao; Wang, Zhanlin

doi:10.1109/esiat.2009.408

Cited by 1 publication

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“…Their long geographic distance from the spawning ground and their low genetic diversity explain why they clustered together. This was consistent with that by allozyme technique (Zhang et al, 2009). In addition, the genetic distance between Xiamen and Ningde is larger than that between Xiamen and Shenzhen.…”

Section: Discussionsupporting

confidence: 91%

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Analysis of the genetic diversity and differentiation of Fenneropenaeus penicillatus populations using AFLP technology

Zhang

Cao

et al. 2011

Chin. J. Ocean. Limnol.

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A bstractFenneropenaeus p enicillatus (redtail shrimp) is an important marine commercial animal in China. Recently, its resources have been depleted rapidly as a result of, for example, over-exploitation and environmental degradation of spawning grounds. Therefore, we analyzed the genetic diversity and differentiation of nine wild populations of F . penicillatus of China (Ningde, Lianjiang, Putian, Xiamen, Quanzhou, Zhangpu, Dongshan, Nanao, and Shenzhen populations) by amplifi ed fragment length polymorphism (AFLP) technology, to provide genetic information necessary for resource protection, rejuvenation, artifi cial breeding, and sustainable use of the resource. Eight AFLP primer pairs were used for amplifi cation, and 508 bands were detected among the populations. The results show that the percentage of polymorphic loci ( P ) ranged from 41.34% to 63.58%; the Nei's gene diversity ( H ) of the populations was 0.119 4-0.230 5; and Shannon's Information Index ( I ) was 0.184 1-0.342 5. These genetic data indicate that the genetic diversity of F . penicillatus was high. The genetic differentiation coeffi cient ( G ST =0.216 2) and gene fl ow ( N m =1.812 4) show that there was a high level of genetic differentiation and a moderate level of gene fl ow among populations. More studies on the genetic differentiation mechanism of F . penicillatus along the south-eastern coast of China need to be conducted to fi nd more effective scientifi c protection strategies for the conservation of F . penicillatus genetic r esources.

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Section: Discussionsupporting

confidence: 91%

“…penicillatus which suggested a low level of genetic differentiation and a high level of gene fl ow ( G ST =0.032 7; N m =11.735 8)(Zhang et al, 2009). Our fi ndings are consistent with a previous AFLP study on Litopenaeus vannamei , however, which showed that both the genetic differentiation and the gene fl ow were high ( G ST =0.363 8; N m =0.937 2)…”

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confidence: 99%