Interactions between pectic fragments and extracellular components from the fungal pathogen Colletotrichum lindemuthianum.
作者： Craig S. Tepper , Anne J. Anderson
DOI: 10.1016/0885-5765(90)90103-5
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摘要: Abstract Extracellular components of the α and β races Colletotrichum lindemuthianum citrus pectic fragments had synergistic effects on accumulation phenolics phytoalexins in cotyledons bean, Phaseolus vulgaris . Treatment cultivar Dark Red Kidney with crude, partially purified elicitor preparations isolated from an incompatible race fungus resulted strong synergism for production soluble phenolics, condensed phenolics. However, crude little additive effect mRNAs phenylalanine ammonia-lyase (PAL) chalcone synthase (CHS), enzymes involved early stages phenolic phytoalexin biosynthesis. A carbohydrate-rich elicitor, a galactoglucomannan, race, displayed complex patterns Kidney. Synergism compatible cultivars between races, which alone activity, were observed accumulations These data suggest that several fungal interact to stimulate defence related products bean.
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