when exponentially growing a31 cells are placed for greater than or equal to 2 days in a medium containing the alpha-difluoromethylornithine ( alpha dfmo ) , an irreversible inhibitor of ornithine decarboxylase , they become arrested in g1 phase as a consequence of polyamine depletion ( medrano et al. , 1983 ) .
C0007634
cells
C0079395
g1