Microbiology and Immunology 1984-01-01

Effect of glucose on the interaction of hydrophobic compounds with the alanine receptor field of Bacillus subtilis spores during initiation of germination.

Y Yasuda, K Tochikubo

Index: Microbiol. Immunol. 28(11) , 1203-10, (1984)

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Abstract

Glucose interfered with the inhibitory action of hydrophobic compounds, such as n-octanol, diphenylamine and 2-tert-butylphenol, during L-alanine-initiated germination of Bacillus subtilis spores. The action of glucose on the action of the hydrophobic compounds was not competitive, and the binding affinity of glucose was not essentially affected by the hydrophobic compounds, indicating the presence of separate binding sites for glucose and the hydrophobic compounds. The binding affinity of D-alanine, a competitive inhibitor of L-alanine, was not affected by the hydrophobic compounds, indicating separate binding sites for D-alanine and the hydrophobic compounds. A possible arrangement of the binding sites for glucose and for the hydrophobic compounds in relation to those for L- and D-alanine on the spores is discussed.

Related Compounds

  • 2-tert-Butylphenol

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