mutation by aflatoxin b1 ( afb1 ) , imperatorin , marmesin , chalepin , and 8-methoxypsoralen ( mop ) , with and without black light ( bl ; long-wavelength ultraviolet light ) activation , was determined at the hypoxanthine-guanine phosphoribosyltransferase locus ( 8-azaguanine resistance ) in chinese hamster v79 cells and at the ouabain locus in mouse c3h/1ot1/2 cells .
C1708726
locus
C0007634
cells