TABLE 5

Expression levels of PlacA-lacZ transcriptional fusion in D39 wild type grown in M17 medium with different added sugarsa

Sugarβ-Galactosidase activity (Miller units) of wild-type PlacA-lacZb
No sugar209 (2)
Arabinose301 (30)
Cellobiose198 (6)
Dextrose171 (5)
Fructose157 (17)
Fucose353 (8)
Galactose1078 (36)
Glucose141 (6)
Lactose502 (7)
Maltose165 (6)
Mannitol322 (2)
Mannose173 (7)
Melibiose358 (30)
Sorbitol339 (7)
Trehalose342 (7)
Xylose297 (10)
  • a Sugars were present at 0.5% (wt/vol).

  • b The standard deviations from three independent experiments are given in parentheses.