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|Title:||Molecular insights into the phylogenetics of spiny lobsters of Gulf of Mannar marine biosphere reserve based on 28S rDNA|
Karthikeyan, K A M
|Keywords:||Gulf of Mannar;Marine biosphere reserve;Molecular phylogeny;Spiny lobsters;28S rDNA|
|Abstract:||Four spiny lobster species, Panulirus versicolor, P. ornatus, P. homarus and P. polyphagus, and a mud lobster Thenus orientalis were collected from the Gulf of Mannar marine biosphere reserve. Partial 28S rRNA gene sequences of the spiny lobsters were examined for their nucleotide diversity, pairwise genetic distances, transition/transversion rate and phylogenetic relationships. The spiny lobster species recorded higher transition over transversion; GC content was also higher as reported in many groups of animals. Pair-wise genetic distance analysis shows that all the spiny lobsters were distinctly distant from the outgroup species and had minimum distance among the ingroup species. A molecular phylogeny based on 28S rDNA D2 sequences indicates that the four species of Panulirus form a monophyletic group.|
|ISSN:||0975-0967 (Online); 0972-5849 (Print)|
|Appears in Collections:||IJBT Vol.11(2) [April 2012]|
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