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Free keywords:
Arabidopsis lyrata; gene duplication; herbivore defence;
selection; population structure; subfunctionalization
Spodoptera-littoralis larvae; positive darwinian selection;
molecular evolution; self-incompatibility; proteinase-
inhibitor; arabis-petraea; adh locus; drosophila-melanogaster;
balanced polymorphism; functional genomics
Abstract:
Duplicated genes are important in the evolution and ecology of plant-defences because herbivore and pathogen attack can be countered via functional diversification at two levels: among duplicated loci and within loci. We explore molecular sequence varia
