A host shift as the origin of tomato bacterial canker caused by Clavibacter michiganensis.

ABSTRACT: The Actinomycetota (formerly Actinobacteria) genus Clavibacter includes phytopathogens with devasting effects in several crops. Clavibacter michiganensis, the causal agent of tomato bacterial canker, is the most notorious species of the genus. Yet, its origin and natural reservoirs remain elusive, and its populations show pathogenicity profiles with unpredictable plant disease outcomes. Here, we generate and analyse a decade-long genomic dataset of Clavibacter from wild and commercial tomato cultivars, providing evolutionary insights that directed phenotypic characterization. Our phylogeny situates the last common ancestor of C. michiganensis next to Clavibacter isolates from grasses rather than to the sole strain we could isolate from wild tomatoes. Path

SUBMITTER: Yanez-Olvera AG 

PROVIDER: S-EPMC11521342 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature