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  • Title: Comparative studies on sporulation-promotive actions on cyclic AMP, theophylline and caffeine in Saccharomyces cerevisiae.
    Author: Tsuboi M, Yanagishima N.
    Journal: Arch Microbiol; 1975 Oct 27; 105(2):83-6. PubMed ID: 173249.
    Abstract:
    Cyclic AMP, theophylline and caffeine promoted sporulation when added to a presporulation medium containing glucose. Caffeine promoted sporulation even when added to a presporulation medium containing acetate as the carbon source, but cyclic AMP and theophylline did not. Caffeine did not increase the intracellular cyclic AMP level, while theophylline did significantly when added to a presporulation medium containing glucose. Caffeine inhibited the vegatative DNA synthesis with little effect on RNA and protein synthesis, resulting in the increase in cell volume, dry weight, and RNA and protein contents, but cyclic AMP and theophylline did not show such effects.
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