this system is different from the error-prone 'sos ' repair system for dna , known to be induced in e. coli by treatments which damage dna and/or inhibit dna replication , such as irradiation by far-uv ( 254 nm ) light or x rays , thymine starvation or treatment with naladixic acid or mitomycin c .
C0012854
dna
C0598312
dna