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Identification of Panulirus homarus Puerulus Larvae by Restriction Fragment Length Polymorphism of Mitochondrial Cytochrome Oxidase I Gene

Author(s): G. Dharani | G.A. Maitrayee | S. Karthikayalu | T.S. Kumar | M. Anbarasu | M. Vijayakumaran

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 12;
Issue: 3;
Start page: 281;
Date: 2009;
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Keywords: Spiny Lobster | Puerulus | PCR-RFLP | mtDNA COI gene

Molecular identification of puerulus larvae of Panulirus homarus of the genus Panulirus from Indian coast was studied by employing Polymerase Chain Reaction, Restriction Fragment Length Polymorphism (PCR-RFLP) analysis of the mitochondrial DNA (mtDNA) Cytochrome Oxidase Gene (COI) by agarose gel electrophoresis and Denaturing Gradient Gel Electrophoresis (DGGE). The size of amplified fragment of COI gene was estimated to be approximately 1300 base pairs (bp). Single fragment amplification was recorded during different stages of the life cycle. The RFLP digestion was carried out using five different restriction enzymes (BsplI, HhaI, RsaI, TaqI and AluI). The RFLP profile of the different endonucleases, varied between 1-5 restriction types. RFLP analysis using endonuclease TaqI enabled identification of P. homarus during different stages of its life history.
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