Simultaneous utilization of glucose, xylose and arabinose in the presence of acetate by a consortium of Escherichia coli strains

Table 1 Maximum specific growth rates (h ^-1 ) of E. coli strains on different carbon sources

		Maximum Specific Growth Rate (h^-1)
Strain	Genotype	Arabinose	Xylose	Glucose	Three-Sugar
ATCC8739	C	0.88	0.81	0.87	–
ALS1370	C ptsG glk manZ crr xylA	0.76	–	–	0.74
ALS1371	C ptsG glk manZ crr araA	–	0.72	–	0.55
ALS1391	C xylA araA	–	–	0.86	0.59

Each single-sugar medium contained the specified sugar (D-(+)-glucose, D-(+)-xylose, or L-(+)-arabinose) at a concentration of 2.25 g/L. The three-sugar mixture contained all three sugars at the same concentration. The standard deviation of the each measurement was about 0.01 h^-1.

ISSN: 1475-2859