1887

Abstract

Previous experiments have suggested that the rifamycin-producing strain DSM 46095 might not belong to . Analysis of its 16S rRNA gene sequence and construction of a phylogenetic tree showed most similarity to NRRL B-24129, NRRL B-24129 and NRRL B-24133, but the strain was probably not a member of any of these species. Results from DNA–DNA hybridization experiments and comparison of DNA profiling patterns using pulsed-field gel electrophoresis also supported the assignment of strain DSM 46095 to a novel species. Analyses of phospholipids, fatty acid methyl esters and physiological characteristics also showed that the differences between different isolates of and DSM 46095 were as large as those between species. Strain DSM 46095 represents a novel species of the genus for which the name sp. nov. is proposed, with the type strain NT 19 (=DSM 46095=ATCC 27643).

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2004-07-01
2019-10-23
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