Genetic Diversity and Origins of the Homoploid-Type Hybrid Phytophthora ×alni.

ABSTRACT: Assessing the process that gives rise to hybrid pathogens is central to understanding the evolution of emerging plant diseases. Phytophthora ×alni, a pathogen of alder, results from the homoploid hybridization of two related species, Phytophthora uniformis and Phytophthora ×multiformis Describing the genetic characteristics of P ×alni should help us understand how reproductive mechanisms and historical processes shaped the population structure of this emerging hybrid pathogen. The population genetic structure of P ×alni and the relationship with its parental species were investigated using 12 microsatellites and one mitochondrial DNA (mtDNA) marker on a European collection of 379 isolates. Populations of P ×alni were dominated by one multilocus genotype (MLG). The frequency of this dominan

SUBMITTER: Aguayo J 

PROVIDER: S-EPMC5118925 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature