Control and host-dependent activation of insect toxin expression in a root-associated biocontrol pseudomonad

Summary Pseudomonas fluorescens CHA0 is a root‐associated biocontrol agent that suppresses soil‐borne fungal diseases of crops. Remarkably, the pseudomonad is also endowed with systemic and oral activity against pest insects which depends on the production of the insecticidal Fit toxin. The toxin ge...

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