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<p>The genus <i>Actinidia</i>, which encompasses the widely cultivated kiwifruit, is characterized by its rich species diversity. Wild <i>Actinidia</i> species serve as invaluable germplasm reservoirs for crop improvement. As an important kiwifruit species, <i>Actinidia hubeiensis</i> represents a unique taxonomic group endemic to Hubei Province, contributing valuable genetic diversity to the genus <i>Actinidia</i>. Here, we present a haplotype-resolved genome assembly for <i>A. hubeiensis</i>. The two haplotype assemblies (Hap1 and Hap2) spanned 658.03 Mb (N50 = 23.16 Mb) and 597.19 Mb (N50 = 20.89 Mb), encoding 35,741 and 36,647 high-confidence protein-coding genes, respectively. Based on comprehensive assessments, both haplotypes demonstrated high completeness (BUSCO completeness &gt; 99%), excellent continuity (LAI up to 21.67), low base-error rates (QV &gt; 40), and nearly complete read mapping rates (&gt;&#xa0;98%). This genome assembly provides crucial genomic resources for the genus, enriching our understanding of kiwifruit biodiversity and offering new insights into the genetic background and evolutionary characteristics of this distinctive species.</p>

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De novo haplotype-resolved genome assembly of the endemic kiwifruit Actinidia hubeiensis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月31日

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  • Zhi Wang,
  • Guangming Hu,
  • Yonghong Zhang,
  • Lei Gao,
  • Xuan Luo,
  • Qin Xiao,
  • Lixia Ye,
  • Qiong Huang,
  • Tao Xiao,
  • Lei Zhang,
  • Quan Jiang

摘要

The genus Actinidia, which encompasses the widely cultivated kiwifruit, is characterized by its rich species diversity. Wild Actinidia species serve as invaluable germplasm reservoirs for crop improvement. As an important kiwifruit species, Actinidia hubeiensis represents a unique taxonomic group endemic to Hubei Province, contributing valuable genetic diversity to the genus Actinidia. Here, we present a haplotype-resolved genome assembly for A. hubeiensis. The two haplotype assemblies (Hap1 and Hap2) spanned 658.03 Mb (N50 = 23.16 Mb) and 597.19 Mb (N50 = 20.89 Mb), encoding 35,741 and 36,647 high-confidence protein-coding genes, respectively. Based on comprehensive assessments, both haplotypes demonstrated high completeness (BUSCO completeness > 99%), excellent continuity (LAI up to 21.67), low base-error rates (QV > 40), and nearly complete read mapping rates (> 98%). This genome assembly provides crucial genomic resources for the genus, enriching our understanding of kiwifruit biodiversity and offering new insights into the genetic background and evolutionary characteristics of this distinctive species.