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Characterization of the complete mitochondrial genome of Barilius malabaricus and its phylogenetic implications

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Title Characterization of the complete mitochondrial genome of Barilius malabaricus and
its phylogenetic implications
Not Available
 
Creator Prabhu,Vandana
Singham,Surachandra
Kumar,Rahul G
Gopalakrishnan,A
Nagarajan,M
 
Subject Barilius, Opsarius, Cyprinidae, fish phylogeny, mitochondrial genome, COI
 
Description Not Available
Bariliine fishes are important components of the ornamental as well as subsistence fishery
sectors in India. Many of the species in the genus Barilius are threatened by habitat loss and
therefore need to be met with conservation initiatives. Effective conservation measures,
however, require clarification of species identities and resolution of the validity of many
species currently treated as synonymous or sub-species. The complete mitochondrial genome
data provide better insight into phylogenetic information than the short fragment or single
gene based analysis. Thus, we have sequenced the complete mitochondrial genome of
Barilius malabaricus, one of the important fish species in the fresh water ornamental sector,
for better understanding its phylogenetic status. The 16,519 bp mitochondrial genome
consists of 37 genes which classifies as 22 tRNA, 13 protein coding and 2 ribosomal RNA
genes and a control region. Overall, the mitochondrial genome bears the typical gene order
and composition as in other fishes. Further, the COI, cytochrome b and 16S rRNA gene
sequences revealed that, B. malabaricus is genetically closer to B. canarensis and B. bakeri
compared to other Barilius species. Also, the Barilius species of west flowing rivers in
Western Ghats were consistently recovered as a clade distinct from other species. We
therefore suggest to retain the genus name Barilius for the species from the Western Ghats
until a comprehensive analysis based on both morphological and molecular markers reveals
the relationship between species now variously placed in the genera Barilius and Opsarius in
greater detail.
Not Available
 
Date 2021-09-18T03:59:37Z
2021-09-18T03:59:37Z
2019
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/64172
 
Language English
 
Relation Not Available
 
Publisher Not Available