Chromosome-level genome assembly and annotation of Zicaitai (Brassica rapa var. purpuraria)

文献类型： 外文期刊

第一作者： Ren, Hailong

作者： Ren, Hailong;Xu, Donglin;Xiao, Wanyu;Zhou, Xianyu;Li, Guangguang;Zou, Jiwen;Zhang, Hua;Zhang, Jing;Zheng, Yansong;Ren, Hailong;Zhang, Zhibin;Zhang, Zhibin

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期刊名称：SCIENTIFIC DATA （ 影响因子：9.8； 五年影响因子：10.8 ）

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年卷期： 2023 年 10 卷 1 期

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收录情况： SCI

摘要： Zicaitai is a seasonal vegetable known for its high anthocyanin content in both stalks and leaves, yet its reference genome has not been published to date. Here, we generated the first chromosome-level genome assembly of Zicaitai using a combination of PacBio long-reads, Illumina short-reads, and Hi-C sequencing techniques. The final genome length is 474.12 Mb with a scaffold N50 length of 43.82 Mb, a BUSCO score of 99.30% and the LAI score of 10.14. Repetitive elements accounted for 60.89% (288.72 Mb) of the genome, and Hi-C data enabled the allocation of 430.87 Mb of genome sequences to ten pseudochromosomes. A total of 42,051 protein-coding genes were successfully predicted using multiple methods, of which 99.74% were functionally annotated. Notably, comparing the genome of Zicaitai with seven other species in the Cruciferae family revealed strong conservation in terms of gene numbers and structures. Overall, the high-quality genome assembly provides a critical resource for studying the genetic basis of important agronomic traits in Zicaitai.

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