A Novel TetR Family Transcriptional Regulator, CalR3, Negatively Controls Calcimycin Biosynthesis in Streptomyces chartreusis NRRL 3882

A Novel TetR Family Transcriptional Regulator, CalR3, Negatively Controls Calcimycin Biosynthesis in Streptomyces chartreusis NRRL 3882 Characterization of the Biosynthesis Gene Cluster for the Pyrrole Polyether Antibiotic Calcimycin (A23187) in <i>Streptomyces chartreusis</i> NRRL 3882 Cezomycin Is Activated by CalC to Its Ester Form for Further Biosynthesis Steps in the Production of Calcimycin in Streptomyces chartreusis NRRL 3882 Characterization of three positive regulators for tetramycin biosynthesis in<i>Streptomyces ahygroscopicus</i> Functional manipulations of the tetramycin positive regulatory gene <i>ttmRIV</i> to enhance the production of tetramycin A and nystatin A1 in <i>Streptomyces ahygroscopicus</i> Functional manipulations of the tetramycin positive regulatory gene <i>ttmRIV</i> to enhance the production of tetramycin A and nystatin A1 in <i>Streptomyces ahygroscopicus</i> ToyA, a positive pathway-specific regulator for toyocamycin biosynthesis in Streptomyces diastatochromogenes 1628 Two 3′-<i>O</i>-β-glucosylated nucleoside fluorometabolites related to nucleocidin in <i>Streptomyces calvus</i> Genetic control of polyketide biosynthesis in the genusStreptomyces A Self-defense Gene Homologous to Tetracycline Effluxing Gene Essential for Antibiotic Production in<i>Streptomyces aureofaciens</i>