Table 1.

Strains used in the study^a

Strain	Genotype (derivation)	Antibiotic resistanceb	Reference or source
IU1781	D39 rpsL1	Strr	{Ramos-Montañez, 2008 #1}
IU2571	D39 ΔadcR::kan-rpsL	Kanr	This paper
IU2594	D39 rpsL1 ΔadcR	Strr	This paper
IU2600	D39 rpsL1 AdcR H112Qc	Strr	This paper
IU2657	D39 rpsL1 AdcR C30Ac	Strr	This paper
IU2661	D39 rpsL1 AdcR H111Qc	Strr	This paper
IU4036	D39 rpsL1 AdcR H108Qc	Strr	This paper

^aStrains were constructed by transformation of indicated recipients with PCR fragments synthesized by fusion PCR (see Materials and Methods).

^bAntibiotic resistance markers: Kan^r, kanamycin; Str^r, streptomycin.

^cCodon changes: H112Q CAT to CAA; H111Q & H108Q CAC to CAA; C30A TGC to GCT