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  • Title: Spore pool glutamic acid as a metabolite in germination.
    Author: Foerster HF.
    Journal: J Bacteriol; 1972 Aug; 111(2):437-42. PubMed ID: 4626499.
    Abstract:
    Spore glutamic acid pools were examined in dormant and germinating spores using colorimetric and (14)C analytical procedures. Germination of spores of Bacillus megaterium (parent strain), initiated by d-glucose, was accompanied by a rapid drop in the level of spore pool glutamate, from 12.0 mug/mg of dry spores to 7.7 mug/mg of dry spores after 30 sec of germination. Similar decreases in extractable spore pool glutamate were observed with l-alanine-initiated germination of B. licheniformis spores. On the other hand, glutamate pools of mutant spores of B. megaterium, with a requirement of gamma-aminobutyric acid for spore germination, remained unchanged for 9 min of germination, at which time more than 50% of the spore population had germinated. Evidence for conversion of spore pool glutamate to gamma-aminobutyric acid during germination of spores of B. megaterium (parent strain) was obtained.
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