since the regions of localized decondensation in the g1 pcc have been previously shown to be the sites of unscheduled dna synthesis , these results suggest that while xp cells do exhibit a generalized chromatin response to u.v . irradiation , they are defective in their ability to alter the chromatin in a localized fashion in preparation for excision repair after u.v . irradiation .
C0007634
cells
C0008546
chromatin