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<p><i>Alcea rosea</i>, a member of the Malvaceae family, is celebrated for its rich floral palette and global horticultural significance. Here, we present a high-quality reference genome for <i>A. rosea</i>, achieving a genome assembly size of 1.01 Gbp, with a Contig N50 length of 36.61 Mbp. The genome sequence was successfully mapped to 21 chromosomes, and the scaffold N50 length reached 52.57 Mbp, with a scaffold genome completeness of 99.6%. A total of 565.84 Mbp (comprising 56% of the genome) of repetitive sequences were identified, with transposable elements being predominant, particularly long terminal repeat (LTR) elements, which accounted for 48.44% of the genome. 51,436 genes were annotated. Among these predicted genes, the average gene length and coding sequence (CDS) length were 2739.92 bp and 1242.54 bp, respectively.</p>

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Chromosome-level genome assembly of the ornamental plant Alcea rosea

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月4日

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  • Xi Chen,
  • Xiu Li,
  • Shengwen Tang,
  • Jiao Ma,
  • Zhangshun Zhu,
  • Fangwen Li,
  • Xiaoqing Shi

摘要

Alcea rosea, a member of the Malvaceae family, is celebrated for its rich floral palette and global horticultural significance. Here, we present a high-quality reference genome for A. rosea, achieving a genome assembly size of 1.01 Gbp, with a Contig N50 length of 36.61 Mbp. The genome sequence was successfully mapped to 21 chromosomes, and the scaffold N50 length reached 52.57 Mbp, with a scaffold genome completeness of 99.6%. A total of 565.84 Mbp (comprising 56% of the genome) of repetitive sequences were identified, with transposable elements being predominant, particularly long terminal repeat (LTR) elements, which accounted for 48.44% of the genome. 51,436 genes were annotated. Among these predicted genes, the average gene length and coding sequence (CDS) length were 2739.92 bp and 1242.54 bp, respectively.