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

AuthorsZhao, Guangwei; Lian, Qin; Zhang, Zhonghua; Fu, Qiushi; He, Yuhua; Ma, Shuangwu; Ruggieri, Valentino; Monforte, Antonio J. CSIC ORCID ; Wang, Pingyong; Julca, Irene; Wang, Huaisong; Liu, Junpu; Xu, Yong; Wang, Runze; Ji, Jiabing; Xu, Zhihong; Kong, Weihu; Zhong, Yang; Shang, Jianli; Pereira, Lara; Argyris, Jason; Zhang, Jian; Mayobre, Carlos; Pujol, Marta CSIC ORCID; Oren, Elad; Ou, Diandian; Wang, Jiming; Sun, Dexi; Zhao, Shengjie; Zhu, Yingchun; Li, Na; Katzir, Nurit; Gur, Amit; Dogimont, Catherine; Schaefer, Hanno; Fan, Wei; Bendahmane, Abdelhafid; Fei, Zhangjun; Pitrat, Michel; Gabaldón, Toni; Lin, Tao; García-Mas, Jordi CSIC ORCID; Xu, Yongyang; Huang, Sanwen
Issue Date2019
PublisherSpringer Nature
CitationNature Genetics 51(11): 1607-1615 (2019)
AbstractMelon 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.
Publisher version (URL)https://doi.org/10.1038/s41588-019-0522-8
Identifiersdoi: 10.1038/s41588-019-0522-8
e-issn: 1546-1718
issn: 1061-4036
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