Randazzo R, Sermonti G, Carere A, Bignami M
J Bacteriol. 1973 Jan;113(1):500-1. doi: 10.1128/jb.113.1.500-501.1973.
Up to 6% of N-methyl-N'-nitro-N-nitrosoguanidine-induced back mutations in the hisA locus of Streptomyces coelicolor were forward mutations (comutations) in another closely linked his locus.
在天蓝色链霉菌hisA基因座中,由N-甲基-N'-硝基-N-亚硝基胍诱导产生的回复突变中,高达6%是在另一个紧密连锁的his基因座中的正向突变(共突变)。