Alborixin, a new antibiotic ionophore: Taxonomy, isolation and biological properties.

Alborixin is an ionophorous antibiotic of the nigericin group isolated from cultures of a strain of Streptomyces albus. It is active against Gram-postive bacteria and is coccidiostatic, but it is very toxic. The antibacterial principle was extracted with organic solvent from the mycelium, isolated in crystalline form and named alborixin.