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    Genetic variation in Yellowfin Tuna Thunnus albacares (Bonnaterre, 1788) along Indian coast using PCR-RFLP analysis of mitochondrial DNA D–Loop region

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    Int_J_Scient_Res_3_25.pdf (1.433Mb)
    Date
    2014
    Author
    Kunal, S.P.
    GirishKumar
    Menezes, M.R.
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    Abstract
    Yellowfin tuna Thunnus albacares is an epipelagic, oceanic species of family Scombridae, found in tropical and subtropical region of the Pacific, Atlantic and the Indian Ocean. It is a commercially important fish species. In present study, population structure of yellowfin tuna was examined using PCR-RFLP analyses of mitochondrial DNA D-loop region from eight geographically distinct locations along the Indian coast. A 500 bp segment of D-loop region was analysed for 370 yellowfin samples using six restriction enzymes (Alu I, Hae III, Hinf I, Hha I, Msp I and Rsa I), resulting in 14 composite mitotype. Analysis of molecular variance (AMOVA) showed no significant genetic differentiation among sampling localities (Phi ST = 0.00185; P= 0.327). Thus finding of this study suggests single panmictic population of yellowfin tuna in Indian waters
    URI
    http://drs.nio.org/drs/handle/2264/5134
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