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<p><i>Craigia yunnanensis</i>, endemic to East Asia, is an endangered species with important economic and scientific research values. However, the absence of a reference genome has hindered studies on genetic variation and conservation management of <i>C. yunnanensis</i>. To address this gap, we present a high-quality chromosome-level genome sequence of <i>C. yunnanensis</i> by using PacBio HiFi sequencing and Hi-C scaffolding. The genome has a total length of 1,618.96 Mb with scaffold N50 of 39.39 Mb and 98.00% of the genome assigned to 41 chromosomes. BUSCO assessment yielded a completeness score of 99.40%. Furthermore, we predicted 58,969 proteincoding genes, and 94.09% of them was functionally annotated. Assembly of the <i>C. yunnanensis</i> genome facilitates a deeper understanding of adaptive evolution in <i>Craigia</i>, knowledge that is fundamental to promoting the conservation and enabling evidence-based management of this endangered plant.</p>

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A chromosome-level reference genome of an endangered plant Craigia yunnanensis

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月2日

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  • Zhuo Cheng,
  • Yuanyuan Xing,
  • Yiming Pan,
  • Jue Wang,
  • Xinxin Wu,
  • Jiahua Li,
  • Congli Xu,
  • Ren-ai Xu,
  • Fangfang Xia,
  • Zhong Liu,
  • Chunlin Long

摘要

Craigia yunnanensis, endemic to East Asia, is an endangered species with important economic and scientific research values. However, the absence of a reference genome has hindered studies on genetic variation and conservation management of C. yunnanensis. To address this gap, we present a high-quality chromosome-level genome sequence of C. yunnanensis by using PacBio HiFi sequencing and Hi-C scaffolding. The genome has a total length of 1,618.96 Mb with scaffold N50 of 39.39 Mb and 98.00% of the genome assigned to 41 chromosomes. BUSCO assessment yielded a completeness score of 99.40%. Furthermore, we predicted 58,969 proteincoding genes, and 94.09% of them was functionally annotated. Assembly of the C. yunnanensis genome facilitates a deeper understanding of adaptive evolution in Craigia, knowledge that is fundamental to promoting the conservation and enabling evidence-based management of this endangered plant.