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  • Title: [Amino acid and mineral element content and the activity of various enzymes in germinating spores of Bacillus thuringiensis].
    Author: Alekseev AN, Karabanova LN, Kraĭnova OA, Krasov ES, Kashparova EV.
    Journal: Mikrobiologiia; 1985; 54(2):181-5. PubMed ID: 3892244.
    Abstract:
    Changes in the content of dipicolinic acid and mineral elements were studied in the process of Bacillus thuringiensis spore germination. The spores released up to 28% of dipicolinic acid and 18% of calcium at the activation stage, and 93 and 91%, respectively, at the initiation stage. At the same time, the content of Mg, Mn, Zn and P decreased while K, Na and Fe accumulated in the spores. The activities of total and serine proteases, alkaline phosphatase, NADH dehydrogenase and aldolase increased in the extract of initiated spores. The content of glutamate decreased in the free amino acid pool as early as by the 30th second of the initiation stage.
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