7 November 2018
IT4Innovations
Europe/Prague timezone

Assembling diploid genome of Cobitis taenia using Illumina short reads

7 Nov 2018, 16:30
15m
atrium (IT4Innovations)

atrium

IT4Innovations

Studentská 1B 708 33 Ostrava - Poruba

Speaker

Dr Martin Mokrejš (IT4Innovations, VŠB – Technical University of Ostrava)

Description

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References

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Summary

Spine loaches (Cobitidae) are common fishes in small rivers and creeks in Eurasia. We determined genome sequence of Cobitis taenia, denoted as tt_16D1C3L12 strain. We obtained Illumina paired-end and Nextera Long Mate-Pair libraries and sequenced them as 2x250bp long reads. Based on k-mer size analysis of trimmed and error-corrected reads the diploid genome appears to be around 1.267 Gbp. The homozygous loci were covered almost 40x and heterozygous loci have half-coverage (about 20x). The genomic sequence was assembled using abyss-2.0.2 into 320183 contigs (>=500bp) using solely paired-end read data and further scaffolded using Illumina long-mate pair reads into 195685 scaffolds (>=500bp). This work was also partially supported by The Ministry of Education, Youth and Sports from the Large Infrastructures for Research, Experimental Development and Innovations project "IT4Innovations National Supercomputing Center – LM2015070".

Primary author

Dr Martin Mokrejš (IT4Innovations, VŠB – Technical University of Ostrava)

Co-authors

Mr Jan Kočí (University od Ostrava) Mr Jan Röslein (Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, The Czech Academy of Sciences, Liběchov, Czech Republic) Dr Karel Janko (Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, The Czech Academy of Sciences, Liběchov, Czech Republic) Mr Oldřich Bartoš (Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, The Czech Academy of Sciences, Liběchov, Czech Republic)

Presentation materials