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Mitochondrial DNA Part A
DNA Mapping, Sequencing, and Analysis
Volume 27, 2016 - Issue 5
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Mitogenome Announcement

Low-depth shotgun sequencing resolves complete mitochondrial genome sequence of Labeo rohita

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Pages 3517-3518 | Received 18 Jun 2015, Accepted 09 Jul 2015, Published online: 11 Aug 2015
 

Abstract

Labeo rohita, popularly known as rohu, is a widely cultured species in whole Indian subcontinent. In the present study, we used in-silico approach to resolve complete mitochondrial genome of rohu. Low-depth shotgun sequencing using Roche 454 GS FLX (Branford, Connecticut, USA) followed by de novo assembly in CLC Genomics Workbench version 7.0.4 (Aarhus, Denmark) revealed the complete mitogenome of L. rohita to be 16 606 bp long (accession No. KR185963). It comprised of 13 protein-coding genes, 22 tRNAs, 2 rRNAs and 1 putative control region. The gene order and organization are similar to most vertebrates. The mitogenome in the present investigation has 99% similarity with that of previously reported mitogenomes of rohu and this is also evident from the phylogenetic study using maximum-likelihood (ML) tree method. This study was done to determine the feasibility, accuracy and reliability of low-depth sequence data obtained from NGS platform as compared to the Sanger sequencing. Thus, NGS technology has proven to be competent and a rapid in-silico alternative to resolve the complete mitochondrial genome sequence, thereby reducing labors and time.

Acknowledgements

We are thankful to the Director, ICAR-CIFA for providing laboratory facilities. The work presented here was financially supported by the Department of Biotechnology, Govt. of India, New Delhi and Indian Council of Agricultural Research.

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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