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<p><i>Rosa hugonis</i> is widely distributed in the Hengduan Mountains, Qinling Mountains, and northern China. It is an important candidate species for ecological restoration, given its good adaptability. Here, we present the first high-quality chromosome-level assembly of <i>R. hugonis</i> based on HiFi reads and Hi-C data. The sequencing data were then assembled onto seven pseudochromosomes of <i>R. hugonis</i>. The genome sizes of <i>R. hugonis</i> is 337.92 Mb, with contig N50 length of 26.84 Mb. We annotated 36,218 protein-coding genes in <i>R. hugonis</i>. In summary, the high-quality genome sequences of <i>R. hugonis</i> provide a genetic roadmap for the study of its genetics and species relationships. This will facilitate future genomic comparative studies across more species within <i>Rosa</i>.</p>

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A chromosomal-scale reference genome for Rosa hugonis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月15日

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  • Zhenlong Liang,
  • Jia Miao,
  • Hengning Deng,
  • Ruifang Jiao,
  • Liangying Li,
  • Shiqi Li,
  • Zhongyu Tang,
  • Jian Ru,
  • Xinfen Gao

摘要

Rosa hugonis is widely distributed in the Hengduan Mountains, Qinling Mountains, and northern China. It is an important candidate species for ecological restoration, given its good adaptability. Here, we present the first high-quality chromosome-level assembly of R. hugonis based on HiFi reads and Hi-C data. The sequencing data were then assembled onto seven pseudochromosomes of R. hugonis. The genome sizes of R. hugonis is 337.92 Mb, with contig N50 length of 26.84 Mb. We annotated 36,218 protein-coding genes in R. hugonis. In summary, the high-quality genome sequences of R. hugonis provide a genetic roadmap for the study of its genetics and species relationships. This will facilitate future genomic comparative studies across more species within Rosa.