FIG. 3.

Schematic representation of the carbon catabolic pathway, the bifid shunt, and oxalic acid degradation. Enzymes that are involved in the general bile salt response in B. animalis are marked with gray circles. Abbreviations: AckA, acetate kinase; Adh2, aldehyde-alcohol dehydrogenase 2; Aga, α-galactosidase; Agl, α-glucosidase; Frc, formyl-CoA transferase; GalE1, UDP-glucose 4-epimerase; Gap, glyceraldehyde-3-phosphate dehydrogenase C; GlkA, glucokinase; Gnt, 6-phosphogluconate dehydrogenase; Gpi, glucose 6-phosphate isomerase; Ldh2, lactate dehydrogenase; Oxc, oxalyl-CoA decarboxylase; Pgm, phosphoglucomutase; Pfl, formate acetyltransferase; Tal, transaldolase; Tkt, transketolase; UgpA, UTP-glucose-1-phosphate uridylyltransferase; Xfp, xylulose-5-phosphate/fructose-6-phosphate phosphoketolase; Zwf2, glucose-6-phosphate 1-dehydrogenase; Pi, phosphate.