Hydrogenophaga caeni sp. nov., isolated from activated sludge
Chung, Bok Sil and Ryu, Seung Hyun and Park, Minjeong and Jeon, Yeji and Chung, Young Ryun and Jeon, Che Ok,, 57, 1126-1130 (2007),
doi = https://doi.org/10.1099/ijs.0.64629-0,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A Gram-negative bacterium, designated strain EMB71T, was isolated from activated sludge used for enhanced biological phosphorus removal in a sequencing batch reactor. The cells of the isolate were facultatively aerobic, motile rods with single polar flagella. Growth was observed to occur at 15–35 °C (optimally at 30 °C) and at pH 6.0–9.0 (optimally at pH 7.0–8.0). The predominant fatty acids of strain EMB71T were C16 : 0 and summed feature 3 (C16 : 1 ω7c and/or iso-C15 : 0 2-OH), and the polar lipids comprised a large amount of phosphatidylethanolamine and a small amount of diphosphatidylglycerol. The G+C content of the genomic DNA was 61.6 mol % and the major quinone was Q-8. Comparative 16S rRNA gene sequence analyses showed that strain EMB71T formed a phyletic lineage with the genus Hydrogenophaga within the family Comamonadaceae. The levels of 16S rRNA gene sequence similarity with respect to the type strains of Hydrogenophaga species ranged from 95.1 to 96.9 %. On the basis of the phenotypic, chemotaxonomic and molecular data, strain EMB71T represents a novel species of the genus Hydrogenophaga, for which the name Hydrogenophaga caeni sp. nov. is proposed. The type strain is EMB71T (=KCTC 12613T=DSM 17962T).,
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