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Molecular characterization of an indigenous minor carp Bangana dero (Cyprinidae: Labeoninae) of Manipur and its relationship with Labeonin fishes of North East India based on mitochondrial 16SrRNA gene sequences Basudha Ch., Sobita N.*, Rawat A., Prakash N. ICAR Research Complex for NEH Region Manipur Centre, Lamphelpat, Imphal-795 004, Manipur, India *Corresponding author's e-mail: n_sobita@yahoo.co.in
Abstract Bangana dero is an economically important indigenous cyprinid fish of Manipur, India having maximum standard length of 40cm. For the taxonomic placement of this species among the Labeonin fishes, molecular characterization is conducted by using mitochondrial 16SrRNA gene sequences. Partial sequences of mito. 16SrRNA gene of fifteen cyprinid species of the sub-family Labeoninae were downloaded from NCBI Genbank. The analysed nucleotide sequence lengths were 538 bp. In a total of 811 characters, 194 were conserved sites (monomorphic) and 347 were variable sites (polymorphic) and out of 347 variable sites, 73 were parsimony informative sites and 274 singleton sites. The nucleotide frequencies are 31.4% (A), 22.57% (T), 24.00% (C) and 21.96% (G). The transition/transversion bias (R) is 2.51. The overall mean distance is 0.083. The dendogram constructed by Neighbour-Joining tree have three clusters which can indicate the taxonomic positions of Bangana dero. Top Keywords Labeoninae, Mitochondrial 16SrRNA gene, Molecular phylogeny, Taxonomic relationship. Top | |
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