Article
Abscisic acid deficiency causes changes in cuticle permeability and pectin composition that influence tomato resistance to Botrytis cinerea.
Plant physiology - 1 Oct 2010
Curvers Katrien, Seifi Hamed, Mouille Grégory, de Rycke Riet, Asselbergh Bob, Van Hecke Annelies, Vanderschaeghe Dieter, Höfte Herman, Callewaert Nico, Van Breusegem Frank, Höfte Monica
Abstract excerpt
A mutant of tomato (Solanum lycopersicum) with reduced abscisic acid (ABA) production (sitiens) exhibits increased resistance to the necrotrophic fungus Botrytis cinerea. This resistance is correlated with a rapid and strong hydrogen peroxide-driven cell wall fortification response in epidermis cells that is absent in tomato with normal ABA production. Moreover, basal expression of defense genes is higher in the...
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