The capabilities of three components of PYM, A2, A5 and A6 for inducing chromosome aberrations and SCEs were studied. The results indicated that all three components of PYM could induce aberrations.

• 本文报道平阳霉素(Pingyangmycin,PYM)的三种成分A_2、A_5和A_6诱发CHO-K1细胞染色体畸变和姐妹染色单体交换(SCEs)。