since polyamines are required for normal growth of microorganisms and plants and since the ornithine pathway can be irreversibly blocked by alpha-difluoromethylornithine ( dfmo ) which has no effect on arginine decarboxylase , fungal infection of green plants might be controlled by the site-directed use of such a specific metabolic inhibitor .
C0029277
ornithine
C0002260
alpha-difluoromethylornithine