Table 1.

Carbon source versatility

	Glucose	Xylose	Arabinose	Mannose	Galactose	Glycerol
E. coli	+	+	+	+	+	+
C. glutamicum	+/-	-	-	+/-	+/-	+/-
S. cerevisiae	+	-	-	+	-	+/-
P. stipitis	+	+	-	+	+	+
T. reesei	+	+	-	+	-	-
A. niger	+	+	+	+	-	+

+ good growth

+/- moderate growth

- no or very slow growth