TABLE 2.

Suppression of thermosensitive phenotype of strain VC6129 (ΔrelA251::kan) mutants by mutations in rpoB gene

Strain	Allele	Mutation in RpoB	Plating efficiencya
VC6159	rpoB+	None	4.4 × 10−5
VC6158	rpoB3449	Δ532A	0.91
VC6160	rpoB3401	R529C	6.2 × 10−5
VC6166	rpoB3445	Δ(507-511)V	3.7 × 10−5
VC7262	rpoB8	Q513P	2.4 × 10−5
VC6191	rpoB114	S531F	0.94
VC6192	rpoB3443	L533P	0.92
VC6193	rpoB3370	T563P	0.82

^aRatio of colony formation at 42°C to colony formation at 30°C.