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Genome and transcriptome assemblies of the kuruma shrimp, Marsupenaeus japonicus

S. Kawato,Koki Nishitsuji,Asuka Arimoto,Kanako Hisata,Mayumi Kawamitsu,R. Nozaki,H. Kondo,Chuya Shinzato,T. Ohira,N. Satoh,E. Shoguchi,I. Hirono

Published 2021 in G3

ABSTRACT

Abstract The kuruma shrimp Marsupenaeus japonicus (order Decapoda, family Penaeidae) is an economically important crustacean that occurs in shallow, warm seas across the Indo-Pacific. Here, using a combination of Illumina and Oxford Nanopore Technologies platforms, we produced a draft genome assembly of M. japonicus (1.70 Gbp; 18,210 scaffolds; scaffold N50 = 234.9 kbp; 34.38% GC, 93.4% BUSCO completeness) and a complete mitochondrial genome sequence (15,969 bp). As with other penaeid shrimp genomes, the M. japonicus genome is extremely rich in simple repeats, which occupies 27.4% of the assembly. A total of 26,381 protein-coding gene models (94.7% BUSCO completeness) were predicted, of which 18,005 genes (68.2%) were assigned functional description by at least one method. We also produced an Illumina-based transcriptome shotgun assembly (40,991 entries; 93.0% BUSCO completeness) and a PacBio Iso-Seq transcriptome assembly (25,415 entries; 67.5% BUSCO completeness). We envision that the M. japonicus genome and transcriptome assemblies will serve as useful resources for the basic research, fisheries management, and breeding programs of M. japonicus.

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