TABLE 3.

Inhibition of uptake of 0.5 μM [14C]GlcNAc by various carbohydrates in X. campestris pv. campestris wild-type strain after 1 h of incubation

Carbohydrate% of control uptake (SD) at carbohydrate concn ofa:
50 μM500 μM
N-Acetylglucosamine65 (1)18 (2)
N-Acetylglucosamine-6P101 (4)105 (4)
Glucosamine66 (3)41 (0)
Chitobiose58 (1)34 (4)
Glucose98 (3)84 (5)
Galactose105 (5)103 (5)
Mannose95 (1)94 (5)
Fructose100 (3)101 (4)
Xylose99 (5)102 (11)
Sucrose100 (5)101 (7)
  • a Standard deviations were calculated from the results of three independent experiments.