1887

Abstract

A Gram-staining-positive, motile, rod-shaped, spore-forming bacterium, designated P9, was isolated from soil in Portugal. This organism was aerobic and catalase- and oxidase-positive. It had an optimum growth temperature of about 35 °C and an optimum growth pH of about 8.0–8.5, and grew in medium with 0–9 % (w/v) NaCl. The cell-wall peptidoglycan was of the A1α type, with -lysine as the diagnostic diamino acid. The major respiratory quinone was menaquinone 7 (MK-7) and the major fatty acids were anteiso-C (45.4 %), iso-C (22.0 %) and anteiso-C (11.2 %). The genomic DNA G+C content was about 39.4 mol%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain P9 was most closely related to DSM 18983 (96.8 %) and DSM 1297 (96.5 %). These two recognized species formed a coherent cluster with strain P9 that was supported by a bootstrap value of 99 %. On the basis of the phylogenetic analysis and physiological and biochemical characteristics, strain P9 ( = DSM 23228 = LMG 25523) represents a novel species of the genus , for which the name sp. nov. is proposed.

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2012-03-01
2020-01-28
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