Streptomyces lateritius

An aerobic gram-positive organism that develops aerial and vegetative branched filaments. The colonies are small, leathery and have a granular, powdery or velvety appearance due to the aerial mycelium present. Colonies are brick red and some strains produce a blue or violet diffusible pigment in the medium. Colonies have an earthy odor. It has been isolated from soil, plants, dust, water, compost, and manure. It causes human infections following inhalation, or by contamination of an area of trauma.

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