A new, antibiotic-producing species of , was isolated from soil. This organism formed irregular to globose sporangia which upon wetting dehisced to release spherical to oval, polarly flagellated motile spores. It contained arabinose and xylose as characteristic whole-cell sugars. This organism differed from other species of the genus by forming deep blue vegetative mycelial pigments, by the absence of diaminopimelic acid on the cell wall, by its ability to hydrolyze adenine and hypoxanthine, by its resistance to lysozyme, and by its inability to utilize L-arabinose, D-xylose, and succinate as sole carbon sources. The type strain of is strain SCC 1014 (= ATCC 33937).


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