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<p>A chromosome-level genome assembly of <i>Bohadschia ocellata</i>, a member of the Holothuriidae family, was constructed through the integration of MGI DNBSEQ-T7 short-read sequencing, PacBio HiFi long-read sequencing, and Hi-C genomic scaffolding technology. After optimization to eliminate redundant sequences, the genome assembly was precisely anchored to 23 chromosomes, resulting in a total size of 909.18 Mb. The N50 of its contig and scaffold sequences were 12.00 Mb and 38.97 Mb, respectively, confirming that the assembly was highly continuous. According to Merqury and BUSCO evaluations, the genome assembly reached a QV of 64.44 and completeness of 94.40%. From this assembly, 31,277 protein-coding genes were identified, which were 98.10% complete based on BUSCO assessment of the predicted proteome. Functional annotations were obtained from at least one database for more than 99% of these genes. This high-quality <i>B. ocellata</i> genome assembly from the current study could offer valuable information for further genetic and evolutionary studies of this sea cucumber species.</p>

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Chromosome-level genome assembly and annotation of the tropical sea cucumber Bohadschia ocellate

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年12月17日

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  • Qianying Huang,
  • Xuan Wang,
  • Zhou Qin,
  • Dingding Fan,
  • Hua Ge,
  • Yingxin Lin,
  • Junyan Wang,
  • Yun Yang,
  • Zhenyu Xie,
  • Da Huo,
  • Chang Chen,
  • Haipeng Qin,
  • Xiaoli Zhang,
  • Xiangxing Zhu,
  • Dongsheng Tang,
  • Chunhua Ren,
  • Chaoqun Hu,
  • Ting Chen,
  • Aifen Yan

摘要

A chromosome-level genome assembly of Bohadschia ocellata, a member of the Holothuriidae family, was constructed through the integration of MGI DNBSEQ-T7 short-read sequencing, PacBio HiFi long-read sequencing, and Hi-C genomic scaffolding technology. After optimization to eliminate redundant sequences, the genome assembly was precisely anchored to 23 chromosomes, resulting in a total size of 909.18 Mb. The N50 of its contig and scaffold sequences were 12.00 Mb and 38.97 Mb, respectively, confirming that the assembly was highly continuous. According to Merqury and BUSCO evaluations, the genome assembly reached a QV of 64.44 and completeness of 94.40%. From this assembly, 31,277 protein-coding genes were identified, which were 98.10% complete based on BUSCO assessment of the predicted proteome. Functional annotations were obtained from at least one database for more than 99% of these genes. This high-quality B. ocellata genome assembly from the current study could offer valuable information for further genetic and evolutionary studies of this sea cucumber species.