Studying the genetic basis of ecological interactions with intergenomic epistasis
Loraine Hablützel,
Claudia Bank
Abstract:In a community, the phenotype or fitness of a focal genotype of one species can depend on the genotypes of other species. Such between-species genetic interactions are increasingly referred to as intergenomic epistasis, analogous to the classical definition of (intragenomic) epistasis in genetics. Here, we propose the first mathematical definition of intergenomic epistasis, which formalises the minimal conditions for the existence of inter-species genetic interactions. By discussing empirical studies of intera… Show more
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