A new broad-spectrum aminoglycoside antibiotic complex, sporaricin. II. Taxonomic studies on the sporaricin producing strain Saccharopolyspora hirsuta subsp. kobensis nov. subsp.

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Abstract
Morphological, cultural and physiological characteristics of a new nocardioform actinomycete are reported. The microorganism which produces the antibiotic complex sporaricin was selectively isolated from a sample of soil obtained from Kobe City, Hyogo Prefecture, Japan. By whole-cell analysis of the actinomycete, meso-diaminopimelic acid, arabinose and galactose were identified. But lipid LCN-A (lipid characteristic of Nocardia) and nocardomycolic acid were not detected. The taxonomic characteristics of this strain is closely related to the genus of Saccharopolyspora, described by Lacey and Goodfellow. Based on the taxonomic comparison with S. hirsuta ATCC 27875, the strain was considered to be a subspecies of S. hirsuta. The proposed subspecies is named S. hirsuta sp. kobensis.

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