Effects of α- and β-D-Glucose on Germination of Spores of Bacillus megaterium QM B1551

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Abstract
The effects of D-glucose anomers on the germination of dormant spores of Bacillus megarerium QM B1551 were studied. α-D-Glucose (1 mM) slightly initiated the germination of the dormant spores during 10 mm incubation at 37°C, while about 60% of the dormant spores became germinated with β-D-glucose (1 mM) in the same conditions. From the above observations and the finding that only a trace amount of α- or β-n-gIucose may bind with the dormant spores, it is speculated that the β-D-glucose-stereospecific receptor site for the germination exists on the surface of the dormant spores of the bacillus.