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<p><i>Nothapodytes nimmoniana</i> is a plant species belonging to the genus <i>Nothapodytes</i> in the family <i>Icacinaceae</i>. This species holds significant medicinal value due to its camptothecin content. In this study, we present the first chromosome-level genome assembly of <i>N. nimmoniana</i> constructed using NGS, Hi-C, and HiFi sequencing technologies. The assembled genome spans 3.53 Gb across 14 chromosomes, with an N50 length of 248.74 Mb. Genome annotation revealed that repetitive sequences constitute 80.82% of the genome size, and 83,269 protein-coding genes were predicted. Additionally, 4,360,538 bp of non-coding RNA were annotated. This genomic resource provides a foundation for further investigation into camptothecin biosynthesis pathways and plant phylogeny in <i>N. nimmoniana</i>.</p>

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Chromosome-level genome assembly of Nothapodytes nimmoniana

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月8日

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  • Jiahui Wang,
  • Xiaojie Ma,
  • Xingyu Yang,
  • Danni Yang,
  • Tianping Huang,
  • Yunqiang Yang,
  • Yongping Yang

摘要

Nothapodytes nimmoniana is a plant species belonging to the genus Nothapodytes in the family Icacinaceae. This species holds significant medicinal value due to its camptothecin content. In this study, we present the first chromosome-level genome assembly of N. nimmoniana constructed using NGS, Hi-C, and HiFi sequencing technologies. The assembled genome spans 3.53 Gb across 14 chromosomes, with an N50 length of 248.74 Mb. Genome annotation revealed that repetitive sequences constitute 80.82% of the genome size, and 83,269 protein-coding genes were predicted. Additionally, 4,360,538 bp of non-coding RNA were annotated. This genomic resource provides a foundation for further investigation into camptothecin biosynthesis pathways and plant phylogeny in N. nimmoniana.