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Intrinsic and acquired multidrug-resistance (MDR) and the activity of the enzyme telomerase have been demonstrated in human melanoma. A direct regulation of the MDR pathways and of telomerase by(More)
Claviceps purpurea is a biotrophic fungal pathogen of grasses causing the ergot disease. The infection process of C. purpurea on rye flowers is accompanied by pectin degradation and polygalacturonase(More)
Cell wall pectin methyl esterification can influence plant resistance because highly methyl-esterified pectin can be less susceptible to the hydrolysis by pectic enzymes such as fungal(More)