Wells, J S Dactylocyclines, novel tetracycline derivatives produced by a Dactylosporangium sp. I. Taxonomy, production, isolation and biological activity. [electronic resource] - The Journal of antibiotics Dec 1992 - 1892-8 p. digital Publication Type: Journal Article ISSN: 0021-8820 Standard No.: 10.7164/antibiotics.45.1892 doi Subjects--Topical Terms: Actinomycetales--chemistryAnti-Bacterial Agents--chemistryChlortetracycline--analogs & derivativesGram-Negative Bacteria--drug effectsGram-Positive Bacteria--drug effectsMagnetic Resonance SpectroscopyMicrobial Sensitivity TestsSpectrophotometry, InfraredTetracycline Resistance