Table 1.

Carbohydrate content in acetone precipitated culture supernatants

	WT	ΔsigD	WT(pVWEx1)	WT(pVWEx1-sigD)
Arabinose equivalent carbohydrate (mM)	<0.1	<0.1	<0.1	1.29 ± 0.28

Carbohydrate content was measured by the phenol sulfuric acid method. Arabinose samples with known concentrations were used as standards. Carbohydrate content was calculated to the concentration (mM) of arabinose equivalent carbohydrate. The detection limit is 0.1 mM. Standard deviations were calculated from three biological replicates