1887

Abstract

A Gram-positive, endospore-forming, rod-shaped bacterium, designated strain B518, was isolated from a desert-soil sample from Gansu Province in China. The isolate was strictly aerobic and was motile by means of several flagella. The strain grew optimally at 35–40 °C and at pH 7.0–7.5. The predominant fatty acids of strain B518 were anteiso-C, C, anteiso-C, iso-C and iso-C. The G+C content of the genomic DNA was 50 mol% and the predominant quinone was MK-7. Comparative 16S rRNA gene sequence analyses showed that strain B518 formed a distinct phyletic line within the genus and was most closely related to IFO 15660, with a 16S rRNA gene sequence similarity of 95.8 %. The levels of 16S rRNA gene sequence similarity with respect to other type strains of species were below 95.1 %. On the basis of the chemotaxonomic data and molecular properties, strain B518 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is B518 (=KCTC 3950=DSM 16968).

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2006-09-01
2019-10-20
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vol. , part 9, pp. 2131-2134

Transmission electron micrographs showing the morphology, cell wall and spore structures of strain B518 , and a neighbour-joining phylogenetic tree for strain B518 and related taxa. [PDF](72 KB)



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