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Abstract

A Gram-negative, motile, rod-shaped bacterium, designated strain EMB325, was isolated from activated sludge that performed enhanced biological phosphorus removal in a sequencing batch reactor. The predominant fatty acids of strain EMB325 were summed feature 3 (C 7 and/or iso-C 2-OH), C, C 7 and C 7 11-methyl. The strain contained phosphatidylethanolamine and diphosphatidylglycerol as polar lipids. The G+C content of the genomic DNA was 63.3 mol%. The major quinone was Q-8. Phylogenetic analysis of 16S rRNA gene sequences showed that strain EMB325 formed a phyletic lineage with members of the genus and was most closely related to LMG 5408 and DSM 1837 with similarities of 98.1 and 97.9 %, respectively. Levels of DNA–DNA relatedness between strain EMB325 and LMG 5408 and DSM 1837 were 28 and 23 %, respectively. On the basis of chemotaxonomic data and molecular characteristics, strain EMB325 is considered to represent a novel species within the genus , for which the name sp. nov. is proposed. The type strain is EMB325 (=KCTC 12608=DSM 17964).

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2007-01-01
2019-10-19
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vol. , part 1, pp. 31 - 34

Morphology of negatively stained cells of strain EMB325 . [PDF](63 KB)



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