Dataset Information

Complete mitochondrial genome of the Japanese Cormorant Phalacrocorax capillatus (Temminck & Schlegel, 1850) (Suliformes: Phalacrocoracidae).

ABSTRACT: The complete sequencing of mitochondrial DNA of the Japanese Cormorant Phalacrocorax capillatus was performed using long PCR and primer walking methods. The assembled genome was 19,105 bp in length. It contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and two control regions. The phylogenetic analysis using the obtained sequence showed that P. capillatus is closest to P. carbo.

SUBMITTER: Honda R

PROVIDER: S-EPMC9448395 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Complete mitochondrial genome of the Japanese Cormorant Phalacrocorax capillatus (Temminck & Schlegel, 1850) (Suliformes: Phalacrocoracidae).

Honda Rina R Inumaru Mizue M Sato Yukita Y Sogabe Atsushi A

Mitochondrial DNA. Part B, Resources 20220830 8

The complete sequencing of mitochondrial DNA of the Japanese Cormorant Phalacrocorax capillatus was performed using long PCR and primer walking methods. The assembled genome was 19,105 bp in length. It contained 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and two control regions. The phylogenetic analysis using the obtained sequence showed that P. capillatus is closest to P. carbo. ...[more]

PMID: 36081826

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Project description:BackgroundThe barred knifejaw (Oplegnathus fasciatus), a member of the Oplegnathidae family of the Centrarchiformes, is a commercially important rocky reef fish native to East Asia. Oplegnathus fasciatus has become an important fishery resource for offshore cage aquaculture and fish stocking of marine ranching in China, Japan, and Korea. Recently, sexual dimorphism in growth with neo-sex chromosome and widespread biotic diseases in O. fasciatus have been increasing concern in the industry. However, adequate genome resources for gaining insight into sex-determining mechanisms and establishing genetically resistant breeding systems for O. fasciatus are lacking. Here, we analyzed the entire genome of a female O. fasciatus fish using long-read sequencing and Hi-C data to generate chromosome-length scaffolds and a highly contiguous genome assembly.FindingsWe assembled the O. fasciatus genome with a total of 245.0 Gb of raw reads that were generated using both Pacific Bioscience (PacBio) Sequel and Illumina HiSeq 2000 platforms. The final draft genome assembly was approximately 778.7 Mb, which reached a high level of continuity with a contig N50 of 2.1 Mb. The genome size was consistent with the estimated genome size (777.5 Mb) based on k-mer analysis. We combined Hi-C data with a draft genome assembly to generate chromosome-length scaffolds. Twenty-four scaffolds corresponding to the 24 chromosomes were assembled to a final size of 768.8 Mb with a contig N50 of 2.1 Mb and a scaffold N50 of 33.5 Mb using 1,372 contigs. The identified repeat sequences accounted for 33.9% of the entire genome, and 24 003 protein-coding genes with an average of 10.1 exons per gene were annotated using de novo methods, with RNA sequencing data and homologies to other teleosts. According to phylogenetic analysis using protein-coding genes, O. fasciatus is closely related to Larimichthys crocea, with O. fasciatus diverging from their common ancestor approximately 70.5-88.5 million years ago.ConclusionsWe generated a high-quality draft genome for O. fasciatus using long-read PacBio sequencing technology, which represents the first chromosome-level reference genome for Oplegnathidae species. Assembly of this genome assists research into fish sex-determining mechanisms and can serve as a resource for accelerating genome-assisted improvements in resistant breeding systems.

Dataset Information

Complete mitochondrial genome of the Japanese Cormorant Phalacrocorax capillatus (Temminck & Schlegel, 1850) (Suliformes: Phalacrocoracidae).

Publications

Complete mitochondrial genome of the Japanese Cormorant <i>Phalacrocorax capillatus</i> (Temminck & Schlegel, 1850) (Suliformes: Phalacrocoracidae).

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