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Danial Hariz Zainal Abidin
School of Biological Sciences, Universiti Sains Malaysia
Engineering Other

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Phylogenetics study of the black scar oyster, crassostrea iredalei in peninsular Malaysia as revealed by mitochondrial COI sequences Danial Hariz Zainal Abidin; Mohd Nor Siti Azizah; Masazurah A. Rahim; Suzana Mustaffa; Darlina Md Naim
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

The present study attempts to assess the population structure and phylogenetics of the commercially important local black scar oyster, Crassostrea iredalei (Faustino 1932) from wild and cultured populations. We analyzed the mitochondrial DNA (mtDNA) sequence variation in 581 base pairs (bp) of the cytochrome c oxidase I (COI) gene among 141 individuals from eight localities within Peninsular Malaysia. The population genetics data showed a low within population nucleotide diversity, π (0.001 – 0.003) and the total haplotype diversity, h was moderate (0.417 – 0.682). Minimum spanning network revealed a complex geographical distribution of the haplotypes. Phylogenetic relationships among the populations inferred by Neighbor-Joining and Maximum Parsimony algorithm failed to detect differentiation between these sites, indicating genetic homogeneity across the populations. The findings from this study will have important implications for aquaculture, management and monitoring of cultured populations as well as conservation of wild oyster species in Malaysia.
Co-Authors Darlina Md Naim Masazurah A. Rahim Mohd Nor Siti Azizah Suzana Mustaffa