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Sci Data. 2021 Oct 15;8(1):268. doi: 10.1038/s41597-021-01045-z.

Chromosome-scale assembly and high-density genetic map of the yellow drum, Nibea albiflora.

Scientific data

Dongdong Xu, Wanchang Zhang, Ruiyi Chen, Hongbin Song, Lu Tian, Peng Tan, Ligai Wang, Qihui Zhu, Bin Wu, Bao Lou, Jiumeng Min, Juhong Zhou

Affiliations

  1. Key Lab of Mariculture and Enhancement of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, 316100, Zhoushan, China. [email protected].
  2. Key Lab of Aquatic Resources and Utilization of Jiangxi Province, School of Life Sciences, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China.
  3. Key Lab of Mariculture and Enhancement of Zhejiang Province, Zhejiang Marine Fisheries Research Institute, 316100, Zhoushan, China.
  4. Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China.
  5. Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China. [email protected].

PMID: 34654820 PMCID: PMC8521588 DOI: 10.1038/s41597-021-01045-z

Abstract

The yellow drum (Nibea albiflora) is an economically important sciaenid fish in East Asian countries. In this study, we sequenced and assembled a near-complete gynogenetic yellow drum genome. We generated 45.63 Gb of Illumina short-reads and 80.27 Gb of PacBio long-reads and assembled them into a 628.01-Mb genome with a contig N50 of 4.42 Mb. Twenty-four chromosomes with a scaffold N50 of 26.73 Mb were obtained using the Hi-C analysis. We predicted a set of 27,069 protein-coding genes, of which 1,581 and 2,583 were expanded and contracted gene families, respectively. The most expanded genes were categorised into the protein binding, zinc-ion binding and ATP binding functional pathways. We built a high-density genetic linkage map that spanned 4,300.2 cM with 24 linkage groups and a resolution of 0.69 cM. The high-quality reference genome and annotated profiles that we produced will not only increase our understanding of the genetic architecture of economic traits in the yellow drum, but also help us explore the evolution and unique biological characteristics of sciaenid fishes.

© 2021. The Author(s).

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