New antibiotics from genetically engineered actinomycetes. I. 2-norerythromycins, isolation and structural determinations.

New antibiotics from genetically engineered actinomycetes. I. 2-norerythromycins, isolation and structural determinations. New antibiotics from genetically engineered actinomycetes. I. 2-norerythromycins, isolation and structural determinations. Isolation and Structure of a New Macrolide Antibiotic, Erythromycin G, and a Related Biosynthetic Intermediate from a Culture of Saccharopolyspora erythraea. Altromycins, novel pluramycin-like antibiotics. II. Isolation and elucidation of structure. Mycinamicins, new macrolide antibiotics. XII. Isolation and structural elucidation of mycinamicins X and XI. A new naturally occurring erythromycin: erythromycin F. New macrolide antibiotics produced by mutants from Streptomyces fradiae NRRL 2702. MEGALOMICIN, A NEW MACROLIDE ANTIBIOTIC COMPLEX PRODUCED BY MICROMONOSPORA Mathemycin B, a New Antifungal Macrolactone from Actinomycete Species HIL Y-8620959 Chandrananimycins A-C: Production of Novel Anticancer Antibiotics from a Marine Actinomadura sp. Isolate M048 by Variation of Medium Composition and Growth Conditions