Mechanisms of pathogenesis in Sclerotium bataticola on sunflowers. II. Pectolytic and cellulolytic enzyme production in vitro and in vivo

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Abstract
Pectin methylesterase (PME), endopolygalacturonase (Endo-PG), exopolygalacturonase (Exo-PG), pectin trans-eliminase (PTE), polygalacturonase trans-eliminase (PGTE), cellulase, and cellobiase activities were investigated in culture filtrates of Sclerotium bataticola, and in extracts of inoculated and uninoculated sunflower stems. All of the enzymes except PTE were produced in culture filtrates of the pathogen and in diseased host tissues. Only PME was detected in healthy control plants.

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