Broad-Spectrum, Cell Envelope-Active Marinocyclin Antibiotics From a Coral-Derived Bacterium Are Effective Against Colistin-Resistant Bacteria.
A novel class of lipopeptides with exceptional antibiotic activity, named marinocyclins, isolated from Aquimarina megaterium EL43 associated with the octocoral Eunicella labiata is reported, position marinocyclins as a promising new scaffold for antibiotic development and highlight the potential of Aquimarina spp.