Progeny of Selfed Plants from Tomato Breeding Line ‘NC1 Grape’ Overexpressing Mannitol Dehydrogenase (MTD) Have Increased Resistance to the Early Blight Fungus, Alternaria solani
Abstract:Reactive oxygen species (ROS) made by plants in response to pathogen infection not only initiate local and systemic defenses, they are also antimicrobial. A number of fungi are hypothesized to secrete the antioxidant mannitol to protect against this antimicrobial ROS during infection. This hypothesis is supported by reports that overexpression of the mannitol catabolic enzyme mannitol dehydrogenase (MTD) in plants increases resistance to mannitol-secreting pathogens like Botrytis cinerea and Alternaria alterna… Show more
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