Gene disruption by structural mutations drives selection in US rice breeding over the last century.

Abstract excerpt

The genetic basis of general plant vigor is of major interest to food producers, yet the trait is recalcitrant to genetic mapping because of the number of loci involved, their small effects, and linkage. Observations of heterosis in many crops suggests that recessive, malfunctioning versions of genes are a major cause of poor performance, yet we have little information on the mutational spectrum underlying these...

Topics

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• Crops, Agricultural
• DNA Transposable Elements
• Gene-Environment Interaction
• Hybridization, Genetic
• INDEL Mutation