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Assembly of the non-heading pak choi genome and comparison with the genomes of heading Chinese cabbage and the oilseed yellow sarson

文献类型： 外文期刊

作者： Li, Peirong 1 ; Su, Tongbing 1 ; Zhao, Xiuyun 1 ; Wang, Weihong 1 ; Zhang, Deshuang 1 ; Yu, Yangjun 1 ; Bayer, Philipp 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci BAAFS, Beijing Vegetable Res Ctr BVRC, Beijing, Peoples R China

2.Minist Agr, Key Lab Biol & Genet Improvement Hort Crops North, Beijing, Peoples R China

3.Beijing Key Lab Vegetable Germplasm Improvement, Beijing, Peoples R China

4.Univ Western Australia, Sch Biol Sci, Perth, WA, Australia

5.Univ Western Australia, Inst Agr, Perth, WA, Australia

关键词： Brassica rapa; genome; pak choi; genetic variation; leaf‐ heading genes; flowering genes

期刊名称：PLANT BIOTECHNOLOGY JOURNAL （ 影响因子：9.803； 五年影响因子：9.555 ）

ISSN： 1467-7644

年卷期： 2021 年 19 卷 5 期

页码：

收录情况： SCI

摘要： Brassica rapa displays a wide range of morphological diversity which is exploited for a variety of food crops. Here we present a high-quality genome assembly for pak choi (Brassica rapa L. subsp. chinensis), an important non-heading leafy vegetable, and comparison with the genomes of heading type Chinese cabbage and the oilseed form, yellow sarson. Gene presence-absence variation (PAV) and genomic structural variations (SV) were identified, together with single nucleotide polymorphisms (SNPs). The structure and expression of genes for leaf morphology and flowering were compared between the three morphotypes revealing candidate genes for these traits in B. rapa. The pak choi genome assembly and its comparison with other B. rapa genome assemblies provides a valuable resource for the genetic improvement of this important vegetable crop and as a model to understand the diversity of morphological variation across Brassica species.

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