Zwetsloot, J.C.M.

group repair strain xeroderma pigmentosum dimers enzyme xeroderma pigmentosum cells fibroblast reduction complementation yeast xeroderma pigmentosum bootsma level microinjection excision repair yeast pre keyzer wild-type mutation photoreactivating xp-variant weerd-kastelein excision wild-type cells effect uv-induced injection complementation group result dna synthesis complementation groups c photoreactivation xp-cell pr-illumination dna damage uv-induced uds zwetsloot uds level sutherland table complementation groups wild-type level damage excision-repair synthesis xeroderma pigmentosum variants r e p non-injected cells excision-repair capacity xp 1br e uds reduction pyrimidine dimers f 10 medium xp-complementation groups photoreactivating enzyme chromatin xp-variant strains exogenou jonge u.s.a pyrimidine period yasui grain friedberg capacity dimer saccharomyce lehmann assay paper xp-strain kraemer non-injected xp-complementation xp-group rupert sekiguchi