Novel prokaryotic system employing previously unknown nucleic acids-based receptors

Table 2 Role of TezRs in spontaneous RifR mutagenesis

Probe	RifR mutants per 9 log10 E. coli cells (mean ± SD)^a	P value
Control E.coli	27 ± 5.79
E.coli TezR–D1^d	0 ± 0	0.015
E.coli TezR–R1^d	34 ± 8.84	0.249
E.coli TezR–D1^d/R1^d	1050 ± 258.83	0.021

ISSN: 1475-2859