CucurbitaceaeCucumis meloCucurbitaCucumis sativusEvolution, MolecularMomordicaMomordica charantiaTrichosanthesSolanaceaeCitrullusDisease ResistancePhylogenyCrops, AgriculturalPseudogenesPlants, MedicinalTriterpenesMolecular Sequence DataDNA, PlantFruitSeedsSpecies SpecificityPlant DiseasesDirected Molecular EvolutionGenetic VariationGenome, PlantGenes, PlantIntronsPlant ExtractsGenetic LociPlant ProteinsSelection, GeneticExons