A comprehensive genome variation map of melon identifies multiple domestication events and loci influencing agronomic traits.
Zhao Guangwei,Qun Lian,Zhonghua Zhang,Qiushi Fu,He Yuhua,Ma Shuangwu,Valentino Ruggieri,Antonio J. Monforte,Wang Pingyong,Irene Julca,Irene Julca,Huaisong Wang,Liu Junpu,Yong Xu,Runze Wang,Jiabing Ji,Xu Zhihong,Kong Weihu,Yang Zhong,Shang Jianli,Lara Pereira,Jason Argyris,Jian Zhang,Carlos Mayobre,Marta Pujol,Elad Oren,Diandian Ou,Wang Jiming,Sun Dexi,Shengjie Zhao,Zhu Yingchun,Li Na,Nurit Katzir,Amit Gur,Catherine Dogimont,Hanno Schaefer,Wei Fan,Abdelhafid Bendahmane,Zhangjun Fei,Zhangjun Fei,Michel Pitrat,Toni Gabaldón,Tao Lin,Jordi Garcia-Mas,Xu Yongyang,Sanwen Huang +45 more
TL;DR: A comprehensive map of genomic variation in melon derived from resequencing of 1,175 accessions sheds light on the population structure and domestication history of melon and agronomic traits for melon breeding.
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Abstract: 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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Identification of the G2-like transcriptional factor gene family reveals their critical roles in controlling chlorophyll accumulation of melon fruit
Haishun Cao,Mingxi Gong,Tingquan Wu,Changyuan Zhang,Ali Anwar,Liangliang Shi,Shiwei Song +6 more
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Impacts of Selenium–Chitosan Treatment on Color of “Red Globe” Grapes during Low-Temperature Storage
Wei Wang,Yaping Liu,Jianbing Di,Yu Wang,Bing Deng,Jiali Yang,Zezhen Li,Lixin Zhang +7 more
TL;DR: Selenium–Chitosan treatment effectively preserves the color of "Red Globe" grapes by reducing decay, maintaining soluble solids content, and regulating gene expression associated with anthocyanin synthesis.
Additional file 1 of Genome-wide association analysis reveals a novel QTL CsPC1 for pericarp color in cucumber
Huang Hongyu,Yang Qinqin,Zhang Lidong,Kong Weiliang,Wang Huizhe,Wei Ai-min,DU Shengli,Yang Ruihuan,Li Jiawang,Lin Tao,Geng Xiaolin,LI Yuhe +11 more
- 20 May 2022
Abstract: Additional file 1: Supplementary Figure S1. Eight categories of pericarp colors were defined to evaluate phenotypes of 289 cucumber accessions. aWhite, b Yellow-white, c White-green, d Yellow-green, eLight-green, f Green, g Dark-green, h Black-green. Supplementary Figure S2. The phenotype of the light-green near isogenic line NIL-1334 and the dark-green near isogenicline NIL-1325. Supplementary Figure S3. Relativeexpression of three candidate genes in pericarp of the light-green nearisogenic line NIL-1334 and the dark-green near isogenic line NIL-1325 at 0 dayspost-anthesis (DPA), 5 DPA, and 10 DPA. The relative expression is shown as themean ± standard deviation, and statistical significance was determined usingStudent’s t-tests (*P < 0.05). Supplementary TableS1. QTL analysis of pericarp color in the cucumberF2 population. Supplementary Table S2. Information on 15 candidate genes between 39,531,980 and 39,626,163 bpon chromosome 3. Supplementary TableS3. Information on35 KASP SNP markers for QTL analysis. Supplementary Table S4. Primers used in qRT-PCR. Supplementary TableS5. The phenotype of theF2 population (278). Supplementary TableS6. The phenotypeof the natural population used for GWAS (289).
Melon Nutraceutomics and Breeding
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- 01 Jan 2023
TL;DR: Melon nutraceutics and breeding are focused on the nutritional benefits of melons and the development of breeding techniques to enhance their nutritional value.
Polyphyletic domestication and inter-lineage hybridization magnified genetic diversity of cultivated melon, Cucumis melo L.
Koujirou Tanaka,Gentaro Shigita,Tran Phuong Dung,Phan Thị Phương Nhi,M Takahashi,Yasumasa Monden,Hidetaka Nishida,Ryuji Ishikawa,Kenji Kato +8 more
- 01 Jul 2024
TL;DR: A total of 212 melon accessions with diverse geographical origins were classified into large and small seed-types by length of seed at the boundary of 9 mm, and into five populations based on polymorphisms in the nuclear genome, indicating unclear genetic differentiation in South and Southeast Asia.
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