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A comprehensive genome variation map of melon identifies multiple domestication events and loci influencing agronomic traits

文献类型： 外文期刊

作者： Zhao, Guangwei 1 ; Lian, Qun 2 ; Zhang, Zhonghua 3 ; Fu, Qiushi 3 ; He, Yuhua 1 ; Ma, Shuangwu 1 ; Ruggieri, Valentino 5 ;

作者机构： 1.Chinese Acad Agr Sci, Zhengzhou Fruit Res Inst, Zhengzhou, Henan, Peoples R China

2.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Minist Agr, Genome Anal Lab,Lingnan Guangdong Lab Modern Agr, Shenzhen, Peoples R China

3.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Sino Dutch Joint Lab Hort Genom, Key Lab Biol & Genet Improvement Hort Crops,Minis, Beijing, Peoples R China

4.Qingdao Agr Univ, Coll Hort, Qingdao, Shandong, Peoples R China

5.Ctr Res Agr Genom CSIC IRTA UAB UB, Barcelona, Spain

6.IRTA, Barcelona, Spain

7.Univ Politecn Valencia, CSIC, Inst Biol Mol & Celular Plantas, Valencia, Spain

8.UAB, Barcelona, Spain

9.Barcelona Inst Sci & Technol, CRG, Barcelona, Spain

10.UPF, Barcelona, Spain

11.Beijing Acad Agr & Forestry Sci, Natl Watermelon & Melon Improvement Ctr, Key Lab Biol & Genet Improvement Hort Crops North, Beijing Key Lab Vegetable Germplasm Improvement, Beijing, Peoples R China

12.Nanjing Agr Univ, Ctr Pear Engn Technol Res, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing, Jiangsu, Peoples R China

13.Israeli Agr Res Org, Plant Sci Inst, NeweYaar Res Ctr, Ramat Yishay, Israel

14.INRA, Genet & Ameliorat Fruits & Legumes, Montfavet, France

15.Tech Univ Munich, Dept Ecol & Ecosyst Management, Plant Biodivers Res, Freising Weihenstephan, Germany

16.Cornell Univ, Boyce Thompson Inst Plant Res, Tower Rd, Ithaca, NY 14853 USA

17.USDA ARS, Robert W Holley Ctr Agr & Hlth, Ithaca, NY 14853 USA

18.ICREA, Barcelona, Spain

19.China Agr Univ, Coll Hort, Beijing, Peoples R China

期刊名称：NATURE GENETICS （ 影响因子：38.33； 五年影响因子：36.431 ）

ISSN： 1061-4036

年卷期： 2019 年 51 卷 11 期

页码：

收录情况： SCI

摘要： Melon is an economically important fruit crop that has been cultivated for thousands of years; however, the genetic basis and history of its domestication still remain largely unknown. Here we report a comprehensive map of the genomic variation in melon derived from the resequencing of 1,175 accessions, which represent the global diversity of the species. Our results suggest that three independent domestication events occurred in melon, two in India and one in Africa. We detected two independent sets of domestication sweeps, resulting in diverse characteristics of the two subspecies melo and agrestis during melon breeding. Genome-wide association studies for 16 agronomic traits identified 208 loci significantly associated with fruit mass, quality and morphological characters. This study sheds light on the domestication history of melon and provides a valuable resource for genomics-assisted breeding of this important crop.

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