Rohu and Magur Genome Sequencing Consortium

Labeo rohita (Hamilton, 1822), commonly known as 'Rohu', and Clarias batrachus (Linnaeus, 1758), commonly known as 'Magur', are two important and widely cultured food fish in India and adjoining countries.

Rohu is the most widely cultured species in the country among the Indian major carps. Similarly, Magur is the most popular catfish owing to its characteristics such as taste, protein rich flavour, low fat content, presence of single central bone, medicinal value etc. This catfish fetches higher economic return and can thrive well in low oxygen.

In line with the human genome sequencing projects, the whole genome sequence of many farm animals and some model fishes have been generated in the recent past. However, the lack of availability of genomic resources is one of the major constraints for genetic improvement of Rohu and Magur. Therefore, it is envisaged to undertake the whole genome sequencing in two economically important indigenous fish species, i.e. Rohu and Magur, with the view to:
  • Establish reference draft sequence of these two species,
  • Generate associated genomic resources such as large insert libraries, SNPs etc.
  • Develop a platform for estimating and preserving genetic variability of indigenous populations of carp and catfish species with related marker information, and
  • Develop manpower in frontier areas of fisheries research.

The major activities involved in this program are multi-platform next generation sequencing of Rohu and Magur genomes, de novo assembly to generate a draft sequence, genome annotation, heterozygous SNP discovery, BAC library construction etc. This endeavour would result in wealth of information such as genes and genetic markers responsible for production traits and disease management, genetic maps, novel genes with regard to air breathing properties of catfishes, phylogenetic relationship and comparative genomics.

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Copyright © 2015 ICAR-National Bureau of Fish Genetic Resources, Lucknow.
Version 1.0: 26 Jan, 2015