Figure 4: RT-qPCR for ada, recN, tisAB and hmp following MNNG stimulation in wild type and in the ada mutant strain BK2110.
From: Tiling array study of MNNG treated Escherichia coli reveals a widespread transcriptional response

The mutant E. coli BK2110 strain is an ada mutant in AB1157 background68 which is deficient in the repair of O6-methylguanine residues.