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Chromosomal-Level assembly of the Asian Seabass genome using long sequence reads and multi-layered scaffolding
Journal article   Open access   Peer reviewed

Chromosomal-Level assembly of the Asian Seabass genome using long sequence reads and multi-layered scaffolding

S. Vij, H. Kuhl, I.S. Kuznetsova, A. Komissarov, A.A. Yurchenko, P. Van Heusden, S. Singh, N.M. Thevasagayam, S.R.S. Prakki, K. Purushothaman, …
PLoS Genetics, Vol.12(4), e1005954
2016
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Abstract

We report here the ~670 Mb genome assembly of the Asian seabass (Lates calcarifer), a tropical marine teleost. We used long-read sequencing augmented by transcriptomics, optical and genetic mapping along with shared synteny from closely related fish species to derive a chromosome-level assembly with a contig N50 size over 1 Mb and scaffold N50 size over 25 Mb that span ~90% of the genome. The population structure of L. calcarifer species complex was analyzed by re-sequencing 61 individuals representing various regions across the species’ native range. SNP analyses identified high levels of genetic diversity and confirmed earlier indications of a population stratification comprising three clades with signs of admixture apparent in the South-East Asian population. The quality of the Asian seabass genome assembly far exceeds that of any other fish species, and will serve as a new standard for fish genomics.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
1 Clinical & Life Sciences
1.54 Molecular & Cell Biology - Genetics
1.54.1543 Flow Cytometry
Web Of Science research areas
Genetics & Heredity
ESI research areas
Molecular Biology & Genetics
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