1887

Abstract

A Gram-negative, non-motile, rod-shaped bacterium, designated strain EMB47, was isolated from activated sludge performing enhanced biological phosphorus removal in a sequencing batch reactor. Growth was observed between 10 and 40 °C (optimum, 25–35 °C) and between pH 5.0 and 8.5 (optimum, pH 7.5–8.0). The predominant fatty acids of strain EMB47 were iso-C 3-OH, iso-C G, C, iso-C, iso-C and iso-C and it contained phosphatidylethanolamine, diphosphatidylglycerol and phosphatidylcholine as polar lipids. The G+C content of the genomic DNA was 40.8 mol% and the major quinone was MK-6. Comparative 16S rRNA gene sequence analyses showed that strain EMB47 formed a distinct phyletic line within the genus . The levels of 16S rRNA gene sequence similarity with respect to species were below 94.7 %. On the basis of the phenotypic, chemotaxonomic and molecular data, strain EMB47 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is EMB47 (=KCTC 12611=DSM 17960).

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2006-10-01
2021-03-06
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