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Dryad

Data from: Genetic independence of naturally correlated variation in resistance to endemic and novel pathogens

Abstract

With anther-smut disease from wild populations, we used selection experiments and genetic analyses to show that, although positively correlated, novel and endemic-pathogen resistances are genetically independent, with contrasting modes of inheritance.  We demonstrate that polymorphic resistance to a newly introduced disease is genetically determined and not an extension of defenses against the related endemic pathogen, challenging the conventional view of nonhost resistance.