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Chromosome level genome assembly of Camellia sinensis 'Yuwan Xiaoye'
Wei Zhang1,2, Yuqiong Chen3
1National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China.
Abstract:
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.
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