Pseudonocardia compacta sp. nov.

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Abstract
The new mesophilic species Pseudonocardia compacta was isolated from soil. P. compacta resembles the type species of the genus Pseudonocardia in exhibiting acropetal budding of the hyphae, in having a two-layered hyphal wall, in cell wall composition (chemotype IV), in phospholipids (type III), in the lack of mycotic acid, and in the occurrence of yellow pigments (carotenoids). P. compacta is characterized by densely aggregated substrate and aerial hyphae that frequently bear apical and intercalary swellings, by thick-walled spores, by white aerial mycelium and by being mesophilic. The type strain is strain MB H-146 (= DSM 43592 = CBS 160.82).