Functional Relationships between L- and D-Alanine, Inosine and NH4Cl during Germination of Spores of Bacillus cereus T

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Abstract
The results of a physiological study of the interaction between NH4Cl, inosine, and the stereoisomers of alanine during germination of spores of Bacillus cereus T are presented. Detailed kinetics for the germination of unheated spores in moderate concentrations of L-alanine (in the absence of auto-inhibition due to alanine racemase) are established, as is the specificity of the stimulatory effect of NH4Cl in relation to other salts, amines, and germinants. The results suggest that NH4Cl and inosine affect an early step in germination closely related to the function of an L-alanine receptor.