Tóth, E.M., Kéki, Zs., Bohus, V., Borsodi, A.K., Márialigeti, K., Schumann, P. 2012. Aquipuribacter hungaricus gen. nov., sp. nov., an actinobacterium isolated from the ultrapure water system of a power plant. International Journal of Systematic and Evolutionary Microbiology, 62, 556-562.
A Gram-positive actinobacterium, strain IV-75T, was isolated by using R2A agar from the ultrapure water system of a power plant in Hungary. The strain exhibited a rod–coccus cell cycle, and was strictly aerobic, non-motile, catalase-positive and oxidase-negative. 16S rRNA gene sequence analysis revealed that strain IV-75T belonged to the suborder Micrococcineae and clustered with members of the family Intrasporangiaceae. Its closest phylogenetic neighbour was Arsenicicoccus bolidensis CCUG 47306T (94.3% 16S rRNA gene sequence similarity). The peptidoglycan of strain IV-75T contained meso-diaminopimelic acid and MK-10(H4) was the major menaquinone. The polar lipid pattern contained phosphatidylglycerol, two unidentified phospholipids, one glycolipid and several other lipid components. The major fatty acids were anteiso-C15 : 0, C18 : 1v9c and C16 : 0. Based on the moderate levels of 16S rRNA gene sequence similarity to all members of the family Intrasporangiaceae and the unique combination of chemotaxonomic characteristics, strain IV-75T is considered to represent a novel species of a new genus, for which the name Aquipuribacter hungaricus gen. nov., sp. nov. is proposed. The type strain of Aquipuribacter hungaricus is IV-75T (5DSM 21674T5NCAIM B 02333T).
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