TABLE 1

Effect of glucose on levels of catabolic enzymes and morphology in M. rouxii

Cell typeEnzyme activity
Pyruvate kinaseaPhosphofructokinasebGlutamate dehydrogenasecPyruvate decarboxylasec
1 min5 min
Mycelium
 −Glucose1,05621.74.30.05
 +Glucose2,930108.040.531.3
Yeast
 −Glucose1,145423.24.10.04
 +Glucose4,3803063.60.031.7
  • a Nanomoles of pyruvate formed per milligram of protein in time shown (3, 9).

  • b Millimoles of fructose 1,6-diphosphate produced per minute per milligram of protein (7).

  • c Micromoles of NADH oxidized per minute per milligram of protein (10).