TABLE 2.

Organic acid accumulation in developmental mutants^a

Strain	Concn (mM) of:
	Pyruvate	Succinate	Fumarate	Malate	Citrate	Acetate
None (R2YE alone)	0.01	0.5	<0.1	<0.1	0.0	1.7
MT1110	0.6	0.2	0.4	<0.1	<0.1	1.0
bldA mutant	2.6	1.8	0.2	<0.1	<0.1	1.7
bldB mutant	2.6	2.5	0.2	<0.1	<0.1	1.5
bldG mutant	2.6	2.6	0.2	<0.1	<0.1	0.9
bldH mutant	2.6	2.2	0.1	<0.1	<0.1	2.3
bldJ mutant	2.6	2.3	0.4	<0.1	<0.1	1.3

^aExtracts were prepared from 48-h cultures grown on R2YE and analyzed for organic acid concentrations as described in Materials and Methods.