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<p>Tea is one of the oldest crops in the world and is of great economic value as a beverage. Its natural flavor and compounds related to health exhibit significant genetic diversity. This article reports the chromosome-scale genome assembly map of a new <i>Camellia sinensis ‘Yuwan Xiaoye’</i> (YWXY) bred by our research center. The genome size is 3.18 Gb with a contig N50 of 181.8 Mb, and 93.43% of the assembled sequences were anchored to 15 chromosomes. The genome is predicted to contain 40,119 protein-coding genes, with 99.70% having functional annotations. Repeat elements account for approximately 82.21% of the genomic landscape. The completeness of YWXY genome assembly is highlighted by a BUSCO score of 99.07%. The assembled genome provides a critical resource for molecular breeding and functional studies in tea plants.</p>

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Chromosome level genome assembly of Camellia sinensis ‘Yuwan Xiaoye’

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月1日

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  • Wei Zhang,
  • Yuqiong Chen

摘要

Tea is one of the oldest crops in the world and is of great economic value as a beverage. Its natural flavor and compounds related to health exhibit significant genetic diversity. This article reports the chromosome-scale genome assembly map of a new Camellia sinensis ‘Yuwan Xiaoye’ (YWXY) bred by our research center. The genome size is 3.18 Gb with a contig N50 of 181.8 Mb, and 93.43% of the assembled sequences were anchored to 15 chromosomes. The genome is predicted to contain 40,119 protein-coding genes, with 99.70% having functional annotations. Repeat elements account for approximately 82.21% of the genomic landscape. The completeness of YWXY genome assembly is highlighted by a BUSCO score of 99.07%. The assembled genome provides a critical resource for molecular breeding and functional studies in tea plants.