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Glycoproteins from colletotrichum graminicola that bind phenols implications for survival and virulence of phytopathogenic fungi


, : Glycoproteins from colletotrichum graminicola that bind phenols implications for survival and virulence of phytopathogenic fungi. Phytopathology 76(12): 1315-1318

The anthracnose fungus Colletotrichum graminicola produces spores in a water-soluble mucilage. A glycoprotein fraction of the mucilage had an exceptionally high affinity for binding to purified condensed tannins (phenolic polymers of flavan-3-ols) and protected spores from inhibition of germination by variety of phenolic compounds. We hypothesize that the ability of fungal glycoproteins to bind phenols is a mechanism by which fungi protect themselves from toxic phenols produced by plants in response to infection.

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