subfamily of Roseacae, such as apple and pear. It provokes necrosis in aerial parts of
susceptible host plants and the typical hypersensitive reaction in non-host plants. The
secreted harpin, HrpNea, is able by itself to induce an active cell death in non-host plants.
Ion flux modulations were shown to be involved early in such processes but very few data
are available on the plasma membrane ion channel activities responsible for the pathogen …