ArticleBMC genomics2019
Re-evaluation of the role of Indian germplasm as center of melon diversification based on genotyping-by-sequencing analysis.
Article in BMC genomics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Introgression line libraries in melon (Molecular breeding : new strategies in plant improvement · 2026Review
- Molecular polymorphisms of the nuclear and chloroplast genomes among African melon germplasms reveal abundant and unique genetic diversity, especially in Sudan.Annals of botany · 2025Article
- Polyphyletic domestication and inter-lineage hybridization magnified genetic diversity of cultivated melon,Breeding science · 2025Article
- Genetic Dissection of ToLCNDV Resistance in Resistant Sources ofInternational journal of molecular sciences · 2024Article
- A highly diversified NLR cluster in melon contains homologs that confer powdery mildew and aphid resistance.Horticulture research · 2024Article
- A Novel Introgression Line Library Derived from a Wild Melon Gives Insights into the Genetics of Melon Domestication, Uncovering New Genetic Variability Useful for Breeding.International journal of molecular sciences · 2023Article
- Melon diversity on the Silk Road by molecular phylogenetic analysis in Kazakhstan melons.Breeding science · 2023Article
- Spanish Melon Landraces: Revealing Useful Diversity by Genomic, Morphological, and Metabolomic Analysis.International journal of molecular sciences · 2022Article
- A cryptic variation in a member of the Ovate Family Proteins is underlying the melon fruit shape QTL fsqs8.1.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Heterosis goes underground.Journal of experimental botany · 2021Article
- Genome-Wide SNP Markers for Genotypic and Phenotypic Differentiation of Melon (International journal of molecular sciences · 2021Article
- Resistance to Cucumber Green Mottle Mosaic Virus inPlants (Basel, Switzerland) · 2021Article
- Chasing breeding footprints through structural variations in Cucumis melo and wild relatives.G3 (Bethesda, Md.) · 2021Article
- Comparative genomics of muskmelon reveals a potential role for retrotransposons in the modification of gene expression.Communications biology · 2020Article
- Genetic diversity and interrelationship among Indian and exotic melons based on fruit morphology, quality components and microsatellite markers.Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Article
- Whole-genome resequencing ofHorticulture research · 2019Article
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6 authors.
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Abstract
backgroundThe importance of Indian germplasm as origin and primary center of diversity of cultivated melon is widely accepted. Genetic diversity of several collections from Indian has been studied previously, although an integrated analysis of these collections in a global diversity perspective has not been possible. In this study, a sample of Indian collections together with a selection of world-wide cultivars to analyze the genetic diversity structure based on Genotype by Sequence data.
resultsA set of 6158 informative Single Nucleotide Polymorphism (SNP) in 175 melon accessions was generated. Melon germplasm could be classified into six major groups, in concordance with horticultural groups. Indian group was in the center of the diversity plot, with the highest genetic diversity. No strict genetic differentiation between wild and cultivated accessions was appreciated in this group. Genomic regions likely involved in the process of diversification were also found. Interestingly, some SNPs differentiating inodorus and cantalupensis groups are linked to Quantitiative Trait Loci involved in ripening behavior (a major characteristic that differentiate those groups). Linkage disequilibrium was found to be low (17 kb), with more rapid decay in euchromatic (8 kb) than heterochromatic (30 kb) regions, demonstrating that recombination events do occur within heterochromatn, although at lower frequency than in euchromatin. Concomitantly, haplotype blocks were relatively small (59 kb). Some of those haplotype blocks were found fixed in different melon groups, being therefore candidate regions that are involved in the diversification of melon cultivars.
conclusionsThe results support the hypothesis that India is the primary center of diversity of melon, Occidental and Far-East cultivars have been developed by divergent selection. Indian germplasm is genetically distinct from African germplasm, supporting independent domestication events. The current set of traditional Indian accessions may be considered as a population rather than a standard collection of fixed landraces with high intercrossing between cultivated and wild melons.
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