Biological activity of Ungernia victoris extract in the Escherichia coli CaCl₂-transformation system in the presence of calcium channel modulators

Furosemid and verapamil appear to have an effect on the yield of E.coli plasmid transformants according to their properties as calcium channel regulators in eukaryotes. It means that furosemid stimulates and verapamil inhibits transforming DNA penetration into competent cell. PHB/Ca²⁺polyP complex does not function only as a channel for transforming DNA penetrabion but appears to be one of the targets for transformation blocking U.victoris extract.

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