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Morphological analysis and molecular phylogeny of Aristeus alcocki Ramadan, 1938 from south-west coast of India

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Title Morphological analysis and molecular phylogeny of Aristeus alcocki Ramadan, 1938 from south-west coast of India
 
Creator Chakraborty, Rekha Devi
Purushothaman, P.
Kuberan, G.
Sebastian, Jomon
Maheswarudu, G
 
Subject Deep-sea shrimps
Morphology
Molecular phylogenetics
Taxonomy
 
Description 1716-1725
Present study has combined both morphometric as well as molecular phylogenetic analysis to describe Aristeus alcocki on the basis of the specimens procured off Sakthikulangara along the south west coast of India. Morphometric analysis of A. alcocki was confirmed by the relative length of the chela/carpus ratio as P1: 1.14-1.35, P2: 0.95-1.07, P3: 0.7-0.85. Pleurobranchia of pereopod I-IV in the form of minute papillae without pinnules. Hepatic groove well formed straight and anterior part slightly curved. Strong buttress with well developed pterygostomian spine anteriorly curved. Molecular phylogeny of the species was analyzed using two nuclear-protein coding genes, phosphoenolpyruvate carboxykinase (PEPCK) and sodium–potassium ATPase α-subunit (NaK) and two mitochondrial genes, large subunit ribosomal DNA (16S rDNA) and Cytochrome oxidase I (COI). These four highly conserved genes were sequenced and phylogenetic analysis was performed. From this study the specimen was identified as A. alcocki and the molecular data submitted in GenBank will be a contribution towards identification of the species using molecular tools in future.
 
Date 2016-07-21T10:59:40Z
2016-07-21T10:59:40Z
2015-11
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/jspui/handle/123456789/35007
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.44(11) [November 2015]