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<p><i>Sinodiscula theae-sinensis</i>, the type species of <i>Sinodiscula</i>, causes tea anthracnose in China. The lack of a high-quality reference genome has hindered studies on its molecular pathogenicity and evolutionary relationships with closely related species such as <i>S. camellicola</i>. In this study, we present the assembly of a chromosome-level genome for <i>S. theae-sinensis</i>, which was obtained by integrating PacBio, Illumina, and Hi-C sequencing data. The assembled genome size is 41.25 Mb, consisting of 55 scaffolds and 136 contigs, with scaffold and contig N50 values of 4.98 Mb and 4.93 Mb, respectively. A total of 98.5% (40.65 Mb) of the genome has been assigned to 9 chromosomes. BUSCO analysis utilizing the fungi_odb10 dataset (n = 758) revealed a genome assembly completeness of 98.1%, comprising 97.8% single-copy and 0.3% duplicated BUSCOs. We predicted 9,941 protein-coding genes and found repetitive elements that make up 6.52% (2.69 Mb) of the genome. This high-quality reference genome is a valuable resource for studying the pathogenic and evolutionary mechanisms of <i>S. theae-sinensis</i>.</p>

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A chromosomal-level genome assembly of Sinodiscula theae-sinensis strain Sthe1

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月23日

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  • Xingyun Shi,
  • Zehong Meng,
  • Shuai Li,
  • Xiuxian Shen,
  • Jianfeng Jin,
  • Zhong Li,
  • Yufeng Zhou,
  • Jinfeng Zhang

摘要

Sinodiscula theae-sinensis, the type species of Sinodiscula, causes tea anthracnose in China. The lack of a high-quality reference genome has hindered studies on its molecular pathogenicity and evolutionary relationships with closely related species such as S. camellicola. In this study, we present the assembly of a chromosome-level genome for S. theae-sinensis, which was obtained by integrating PacBio, Illumina, and Hi-C sequencing data. The assembled genome size is 41.25 Mb, consisting of 55 scaffolds and 136 contigs, with scaffold and contig N50 values of 4.98 Mb and 4.93 Mb, respectively. A total of 98.5% (40.65 Mb) of the genome has been assigned to 9 chromosomes. BUSCO analysis utilizing the fungi_odb10 dataset (n = 758) revealed a genome assembly completeness of 98.1%, comprising 97.8% single-copy and 0.3% duplicated BUSCOs. We predicted 9,941 protein-coding genes and found repetitive elements that make up 6.52% (2.69 Mb) of the genome. This high-quality reference genome is a valuable resource for studying the pathogenic and evolutionary mechanisms of S. theae-sinensis.