Causes plant rot. Pseudomonas syringae pv. tomato str. DC3000

Pseudomonas syringae pv. tomato strain DC3000. While pathogenic on Arabidopsis thaliana, it is mainly characterized as causing bacterial speck disease on tomato plants, which has a large economic impact. This organism is mainly endophytic and is a poor colonizes of plant surfaces but can multiply within the host. It is the model organism for the study of plant-pathogen interactions.