期刊
PLANT BIOTECHNOLOGY JOURNAL
卷 19, 期 5, 页码 966-976出版社
WILEY
DOI: 10.1111/pbi.13522
关键词
Brassica rapa; genome; pak choi; genetic variation; leaf‐ heading genes; flowering genes
资金
- Collaborative Innovation Center of BAAFS [KJCX201907-2]
- Scientist Training Program of BAAFS [JKZX201906]
- National Natural Science Foundation of China [31801852]
- Key Program of Beijing Municipal Science and Technology Committee [Z191100004019010]
- earmarked fund for China Agriculture Research System [CARS-23-A-05]
The study presents a high-quality genome assembly for pak choi (Brassica rapa L. subsp. chinensis) and compares it with other Brassica genomes, providing valuable insights into the genetic improvement of vegetable crops and understanding morphological diversity across Brassica species.
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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