Table 1.

Doubling times under various conditions.

Strain	Doubling time (min ± SD)
	0.5% glucose	0.5% galactose	0.5% lactose	THY
WT	54 ± 2	77 ± 5	73 ± 2	39 ± 4
ΔccpA	98 ± 3	127 ± 13	88 ± 1	59 ± 7
HPr S46D	105 ± 6	121 ± 10	116 ± 7	43 ± 2
ΔSP_0058	50 ± 1	76 ± 2	76 ± 3	38 ± 1
ΔccpAΔSP_0058	108 ± 7	125 ± 14	200 ± 16	71 ± 17
ΔgalR	58 ± 1	No growth	80 ± 2	40 ± 4
ΔlacR-2	59 ± 1	80 ± 2	77 ± 7	34 ± 2
ΔccpAΔlacR-2	212 ± 18	247 ± 14	261 ± 40	71 ± 3

The data are presented as the average and standard deviation of six independent cultures in either chemically defined medium with the indicated carbohydrates, or THY, as detailed in Experimental procedures.