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|Title:||Genetic variation and diversity of two brachyuran crab species (Sesarma brockii and Grapsus strigosus) in an artificially developed mangrove ecosystem|
|Keywords:||Brachyuran Crab;Genetic Diversity;Grapsus Strigosus;RAPD;Sesarma Brockii|
|Abstract:||The random amplified polymorphic DNA (RAPD) analysis was used to estimate the genetic relationships and diversity of two brachyuran crab species (Sesarma brockii & Grapsus strigosus) in an artificially developed mangrove ecosystem. Ten arbitrary primers were screened to identify species-specific RAPD markers in S. brockii and G. strigosus. On average about 26% scorable RAPD bands were specific to each species. Gene diversity (H) in S. brockii and G. strigosus was 0.0589±0.0457 and 0.0056±0.0052, respectively. The genetic distance between S. brockii and G. strigosus was 1.2714. Phylogenetic analysis revealed that these two species grouped into separate clusters emphasizing the distinct species status.|
|ISSN:||0975-0967 (Online); 0972-5849 (Print)|
|Appears in Collections:||IJBT Vol.11(1) [January 2012]|
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