Genomic analyses reveal the stepwise domestication and genetic mechanism of curd biogenesis in cauliflower
文献类型： 外文期刊
作者： Chen, Rui 1 ; Chen, Ke 2 ; Yao, Xingwei 1 ; Zhang, Xiaoli 1 ; Yang, Yingxia 1 ; Su, Xiao 2 ; Lyu, Mingjie 1 ; Wang, Qian 1 ; Zhang, Guan 1 ; Wang, Mengmeng 1 ; Li, Yanhao 1 ; Duan, Lijin 1 ; Xie, Tianyu 1 ; Li, Haichao 1 ; Yang, Yuyao 1 ; Zhang, Hong 1 ; Guo, Yutong 1 ; Jia, Guiying 1 ; Ge, Xianhong 5 ; Sarris, Panagiotis F. 6 ; Lin, Tao 2 ; Sun, Deling 1 ;
作者机构： 1.Tianjin Acad Agr Sci, State Key Lab Vegetable Biobreeding, Tianjin, Peoples R China
2.China Agr Univ, Coll Hort, Beijing Key Lab Growth & Dev Regulat Protected Veg, Beijing, Peoples R China
3.Hunan Acad Agr Sci, Key Lab Weed Control Southern Farmland, Minist Agr & Rural Affairs, Changsha, Peoples R China
4.Nankai Univ, Coll Life Sci, Tianjin, Peoples R China
5.Huazhong Agr Univ, Coll Plant Sci & Technol, Natl Key Lab Crop Genet Improvement, Wuhan, Peoples R China
6.Fdn Res & Technol Hellas, Inst Mol Biol & Biotechnol, Iraklion 71110, Greece
7.Univ Crete, Dept Biol, Iraklion, Greece
期刊名称：NATURE GENETICS （ 影响因子：30.8； 五年影响因子：37.4 ）
ISSN： 1061-4036
年卷期： 2024 年 56 卷 5 期
页码：
收录情况： SCI
摘要： Cauliflower (Brassica oleracea L. var. botrytis) is a distinctive vegetable that supplies a nutrient-rich edible inflorescence meristem for the human diet. However, the genomic bases of its selective breeding have not been studied extensively. Herein, we present a high-quality reference genome assembly C-8 (V2) and a comprehensive genomic variation map consisting of 971 diverse accessions of cauliflower and its relatives. Genomic selection analysis and deep-mined divergences were used to explore a stepwise domestication process for cauliflower that initially evolved from broccoli (Curd-emergence and Curd-improvement), revealing that three MADS-box genes, CAULIFLOWER1 (CAL1), CAL2 and FRUITFULL (FUL2), could have essential roles during curd formation. Genome-wide association studies identified nine loci significantly associated with morphological and biological characters and demonstrated that a zinc-finger protein (BOB06G135460) positively regulates stem height in cauliflower. This study offers valuable genomic resources for better understanding the genetic bases of curd biogenesis and florescent development in crops. A high-quality reference genome assembly of cauliflower C-8 (V2) and genomic analyses of 971 diverse accessions and their relatives reveal the stepwise domestication and the genetic mechanism of curd biogenesis.
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