A Chromosome Level Genome Assembly of a Winter Turnip Rape (Brassica rapa L.) to Explore the Genetic Basis of Cold Tolerance

文献类型： 外文期刊

第一作者： Wu, Junyan

作者： Wu, Junyan;Pu, Yuanyuan;Li, Xuecai;Sun, Wancang;Wu, Junyan;Liu, Lijun;Ma, Li;Wang, Wangtian;Fang, Yan;Sun, Wancang;Xu, Xin-Dong;Hua, Xue-Yang;Song, Jia-Ming;Liu, Kede;Lu, Guangyuan

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关键词： Brassica rapa; graph-based pan-genome; structural variation (SV); cold tolerance; physiological characteristics

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 13 卷

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收录情况： SCI

摘要： Winter rapeseed (Brassica rapa L.) is an important overwintering oilseed crop that is widely planted in northwest China and suffers chronic low temperatures in winter. So the cold stress becomes one of the major constraints that limit its production. The currently existing genomes limit the understanding of the cold-tolerant genetic basis of rapeseed. Here we assembled a high-quality long-read genome of B. rapa "Longyou-7" cultivar, which has a cold-tolerant phenotype, and constructed a graph-based pan-genome to detect the structural variations within homologs of currently reported cold-tolerant related genes in the "Longyou-7" genome, which provides an additional elucidation of the cold-tolerant genetic basis of "Longyou-7" cultivar and promotes the development of cold-tolerant breeding in B. rapa.

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