Table 1.

Phenamil-resistant mutants

Strain	Parent	Isolation178	Defective gene	Mutation
LM4467	LM4316	250 mM KCl PMS	motA	D148Y
LM4642	LM1017	100 mM LiCl PMS	motA	D148Y
LM4616	LM1017	100 mM KCl PMS	motA	D148Y
LM4641	LM1017	400 mM KCl PMS	motA	D148V
LM4620	LM4316	250 mM KCl P	motA	D148G
LM4605	LM1017	250 mM KCl PMS	motA	D148G
LM4647	LM1017	200 mM KCl PMS	motA	D148G
LM4468†	LM4316	250 mM KCl P	motB	A23G
LM4613	LM1017	100 mM KCl PMS	motB	A23S
LM4615	LM1017	100 mM KCl PMS	motB	A23S
LM4621	LM4316	250 mM KCl P	motB	Δ12P-16P
LM4606	LM1017	250 mM KCl PMS	motB	Δ13P-16P
LM4603	LM1017	250 mM KCl PMS	motB	G20R
LM4604	LM1017	250 mM KCl PMS	motB	G20R
LM4644	LM1017	100 mM KCl PMS	motB	G20R
LM4645	LM1017	100 mM KCl PMS	motB	G20R
LM4646	LM1017	200 mM KCl PMS	motB	G20R
LM4614	LM1017	100 mM KCl PMS	motB	L15H;G20V
LM4470	LM4323	250 mM KCl P	motB	G20V
LM4609	LM1017	250 mM KCl PMS	motB	G20V
LM4610	LM1017	250 mM KCl PMS	motB	G20V
LM4611	LM1017	250 mM KCl PMS	motB	G20V
LM4627	LM1017	250 mM KCl P	motB	G20V
LM4469	LM4323	250 mM KCl P	Not in motA, B, X, or Y	not identified
LM4639	LM1017	250 mM KCl P	Not in motA, B, X, or Y	not identified
LM4598	LM1017	250 mM KCl PMS	not in motA, B, X, or Y	not identified
LM4649	LM4316	250 mM KCl P	not in motA, B, X, or Y	not identified

¹⁷⁸Mutants were isolated in M agar containing KCl or LiCl at the indicated concentration and 50 μM phenamil (P) or 40 μM phenamil methanesulfonate (PMS). 

^†This strain was cured of the plasmid to make the motile strain LM4629 used in Fig. 2.