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PREreview of bioRxiv article "A generalist pathogen view of diverse host evolutionary histories through polygenic virulence"
  • Sophien Kamoun
Sophien Kamoun
The Sainsbury Laboratory
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Abstract

This is a review of Caseys et al. bioRxiv doi: https://doi.org/10.1101/507491 posted on June 25, 2019. This study aims at addressing whether coevolutionary models of host-pathogen interactions apply to a generalist pathogen that exhibits quantitative virulence across a broad range of plants. They generated an exhaustive virulence matrix for the nectrophic fungus Botrytis cinerea on 90 genotypes of 8 plant species. They conclude that this pathosystem doesn’t fit traditional arms-race coevolution models with quantitative variation in susceptibility distinct from the phylogenetic relationships between the examined plants.