Mutations in the Pseudomonas syringae avrRpt2 gene that dissociate its virulence and avirulence activities lead to decreased efficiency in AvrRpt2-induced disappearance of RIN4.

Abstract excerpt

The avrRpt2 gene from Pseudomonas syringae pv. tomato exhibits avirulence activity on Arabidopsis expressing the resistance gene RPS2 but promotes bacterial virulence on susceptible rps2 Arabidopsis. To understand the functional relationship between the avirulence and virulence activities of avrRpt2, we analyzed a series of six avrRpt2 mutants deficient in eliciting the RPS2-dependent hypersensitive response. We...

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