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The first high-quality genome assembly and annotation of Patiria pectinifera.


ABSTRACT: The blue bat star, a highly adaptive species in the East Sea of Korea, has displayed remarkable success in adapting to recent climate change. The genetic mechanisms behind this success were not well-understood, prompting our report on the first chromosome-level assembly of the Patiria genus. We assembled the genome using Nanopore and Illumina sequences, yielding a total length of 615 Mb and a scaffold N50 of 24,204,423 bp. Hi-C analysis allowed us to anchor the scaffold sequences onto 22 pseudochromosomes. K-mer based analysis revealed 5.16% heterozygosity rate of the genome, higher than any previously reported echinoderm species. Our transposable element analysis exposed a substantial number of genome-wide retrotransposons and DNA transposons. These results offer valuable resources for understanding the evolutionary mechanisms behind P. pectinifera's successful adaptation in fluctuating environments.

SUBMITTER: Jung J 

PROVIDER: S-EPMC10511450 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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The first high-quality genome assembly and annotation of Patiria pectinifera.

Jung Jaehoon J   Jhang So Yun SY   Kim Bongsang B   Koh Bomin B   Ban Chaeyoung C   Seo Hyojung H   Park Taeseo T   Chi Won-Jae WJ   Kim Soonok S   Kim Heebal H   Yu Jaewoong J  

Scientific data 20230920 1


The blue bat star, a highly adaptive species in the East Sea of Korea, has displayed remarkable success in adapting to recent climate change. The genetic mechanisms behind this success were not well-understood, prompting our report on the first chromosome-level assembly of the Patiria genus. We assembled the genome using Nanopore and Illumina sequences, yielding a total length of 615 Mb and a scaffold N50 of 24,204,423 bp. Hi-C analysis allowed us to anchor the scaffold sequences onto 22 pseudoc  ...[more]

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