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

机译：Barilius malabaricus完全线粒体基因组的表征及其系统发育意义

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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.
机译：Bariliine鱼是印度的观赏性的重要组成部分，以及印度的渔业部门。 Barilius中的许多物种受到栖息地损失的威胁，因此需要与保护举措会面。然而，有效的保护措施要求澄清物种身份和解决目前被视为代名词或子物种的许多物种的有效性。完整的线粒体基因组数据比短片段或基于基因的分析更好地深入了解系统发育信息。因此，我们已经测量了淡水观赏部门中的重要鱼类之一的Barilius Malabaricus的完全线粒体基因组，以便更好地理解其系统发育状态。 16,519？BP线粒体基因组由37个基因组成，该基因分类为22个TRNA，13个蛋白质编码和2个核糖体RNA基因和对照区域。总体而言，线粒体基因组在其他鱼类中携带典型的基因令和组成。此外，COI，细胞色素B和16S rRNA基因序列显示，与其他Barilius物种相比，B.Malabaricus是遗传上更接近B. Canarensis和B.Bakeri。此外，西止仓的西部流动河的Barilius物种始终恢复为与其他物种不同的人。因此，我们建议将巴黎属的属名称留出西止浦的物种，直到基于形态学和分子标记的综合分析揭示了物种之间的关系，现在更详细地放置在Genera Barilius和Opsarius中。

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