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<p><i>Malus niedzwetzkyana</i> (MN) is the mother of Rosybloom hybrids, ornamental crabapples with red and purple flowers. We present a high-quality chromosome-scale genome for MN with a size of 672.64 Mb, anchored to 17 chromosomes and with a high BUSCO completeness score of 98.6%, reaching the ‘gold standard’ level. Moreover, our assembly has captured 28 telomeres. A total of 43,813 protein-coding genes was annotated in the MN genome. The assembled high quality provides a valuable opportunity to enhance our understanding of the genetic basis of flower colour and other ornamental traits in crabapples, thereby advancing the field of genetics and breeding.</p>

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Chromosome-level genome assembly of Malus niedzwetzkyana, the mother of Rosybloom crabapple

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月5日

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  • Ruizhen Wang,
  • Jian Quan,
  • Boyang Liu,
  • Yu Wei,
  • Hengxing Liu,
  • Ran He,
  • Ling Guo,
  • Leiming Dong

摘要

Malus niedzwetzkyana (MN) is the mother of Rosybloom hybrids, ornamental crabapples with red and purple flowers. We present a high-quality chromosome-scale genome for MN with a size of 672.64 Mb, anchored to 17 chromosomes and with a high BUSCO completeness score of 98.6%, reaching the ‘gold standard’ level. Moreover, our assembly has captured 28 telomeres. A total of 43,813 protein-coding genes was annotated in the MN genome. The assembled high quality provides a valuable opportunity to enhance our understanding of the genetic basis of flower colour and other ornamental traits in crabapples, thereby advancing the field of genetics and breeding.