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Int J Syst Evol Microbiol. 2014 May;64(Pt 5):1507-13. doi: 10.1099/ijs.0.055251-0. Epub 2014 Jan 29.

Acinetobacter harbinensis sp. nov., isolated from river water.

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School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China.


A bacterial strain, HITLi 7T, with nitrifying ability was isolated from the surface water of the Songhua River in China. Cells were Gram-stain-negative, strictly aerobic, oxidase-negative, non-motile coccobacilli, capable of growth in mineral media with acetate as the sole carbon source and ammonia as the sole source of nitrogen. The cells did not grow at 37 °C, but did grow at 2 °C. The DNA G+C content was 45.5 mol%. Results of 16S rRNA gene sequence analysis indicated a close relationship between this isolate and Acinetobacter lwoffii (98.4% similarity for strain DSM 2403T). rpoB and gyrB gene sequences did not show significant similarity with those from other species of the genus Acinetobacter. Predominant cellular fatty acids were 9-octadecenoic acid (C18 : 1ω9c) and summed feature 4 (iso-C15:0 2-OH and/or C16:1ω7c). Acid was not produced from d-glucose, and gelatin was not hydrolysed by the isolate. Genotypic, phenotypic and chemotaxonomic data from this study indicate that the isolate should be classified as a representative of a novel species of the genus Acinetobacter. The name Acinetobacter harbinensis sp. nov. is proposed for the novel species, with HITLi 7T (=CGMCC 1.12528T=KCTC 32411T) as the type strain.

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