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  • Title: Inhibition by ammonium ion of germination of unactivated spores of Bacillus cereus T induced by l-alanine and inosine.
    Author: Shibata H, Takamatsu H, Tani I.
    Journal: Microbiol Immunol; 1978; 22(3):123-31. PubMed ID: 97499.
    Abstract:
    Studies were carried out on the inhibitory effect of NH4+ on germination of spores of Bacillus cereus T induced by L-alanine and inosine. Kinetic analysis showed that NH4+ inhibited the germination competitively. Its inhibitory effect was greater when the unactivated spores had been preincubated with L-alanine. NH4+ did not inhibit the response of unactivated spores to L-alanine during preincubation. These results suggest that L-alanine sensitizes the spores to the inhibitory effect of NH4+.
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