A new species of Kibdelosporangium is described. This organism is characterized by white aerial hyphae bearing long chains of smooth-walled spores and abundant sporangiumlike structures. The new species contains meso-diaminopimelic acid, arabinose, and galactose (type IV cell walls, type A whole-cell sugar pattern), phosphatidylethanolamine (type PII phospholipid pattern), and no mycolic acids. The single soil isolate has chemical and morphological properties consistent with the genus Kibdelosporangium. A comparison with previously described species of the genus Kibdelosporangium in which we used standard techniques, fatty acid profiles, and polypeptide banding fingerprints indicated that this strain is a new species. The name proposed for this new species is Kibdelosporangium philippinense. The type strain is strain A80407 (= NRRL 18198).
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