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Rhodoferax saidenbachensis sp. nov., a psychrotolerant, very slowly growing bacterium within the family Comamonadaceae, proposal of appropriate taxonomic position of Albidiferax ferrireducens strain T118T in the genus Rhodoferax and emended description of the genus Rhodoferax
National Veterinary Institute SVA, Ulls väg 2b, 75189 Uppsala, Sweden .
Leibnitz Institute DSMZ.
UFZ Centre for Environmental Research, Leipzig.
Karlsruhe Institute of Technology.
2014 (English)In: International Journal of Systematic and Evolutionary Microbiology, ISSN 1466-5026, E-ISSN 1466-5034, Vol. 64, no Pt 4, 1186-1193 p.Article in journal (Refereed) Published
Abstract [en]

A Gram-stain-negative, oxidase and phosphatase-positive and catalase-negative, short rod-shaped bacterium was isolated from sediment of a drinking water reservoir in Germany. Based on 16S rRNA gene sequence and phenotypic properties, the bacterium belongs to the genus Rhodoferax within the family Comamonadaceae. The new taxon differed from related species mainly with respect to its fatty acid composition, low growth temperature, lack of pigments in young cultures and ability to utilize glycerol and d-mannose but not urea. The major fatty acids were C16 : 1omega7c and/or iso-C15 : 0 2-OH, C16 : 0, and C18 : 1omega7c. The only ubiquinone detected was ubiquinone Q-8. The DNA G+C content was 60.3-61 mol%. Because of the phenotypic and genotypic differences from the most closely related taxa, the new strain represents a novel species for which the name Rhodoferax saidenbachensis sp. nov. is proposed. The type strain is ED16(T) ( = CCUG 57711(T) = ATCC BAA-1852(T) = DSM 22694(T)). An emended description of the genus Rhodoferax is proposed. Based on the results of this study, strain T118(T) (Albidiferax ferrireducens) is properly placed in the genus Rhodoferax as Rhodoferax ferrireducens.

Place, publisher, year, edition, pages
2014. Vol. 64, no Pt 4, 1186-1193 p.
Keyword [en]
Bacterial Typing Techniques, Base Composition, Cold Temperature, Comamonadaceae/*classification/genetics/isolation & purification, DNA, Bacterial/genetics, Drinking Water/*microbiology, Fatty Acids/chemistry, Genes, Bacterial, Geologic Sediments/microbiology, Germany, Molecular Sequence Data, Nucleic Acid Hybridization, *Phylogeny, RNA, Ribosomal, 16S/genetics, Sequence Analysis, DNA, Ubiquinone/chemistry, Water Supply
National Category
Biological Systematics
Research subject
Biology with specialization in Systematics; Biology with specialization in Molecular Biology; Biology with specialization in Microbiology
URN: urn:nbn:se:uu:diva-242233DOI: 10.1099/ijs.0.054031-0ISBN: 1466-5034 (Electronic) 1466-5026 (Linking)OAI: oai:DiVA.org:uu-242233DiVA: diva2:782884
Available from: 2015-01-22 Created: 2015-01-22 Last updated: 2015-01-28Bibliographically approved

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Publisher's full texthttp://www.ncbi.nlm.nih.gov/pubmed/24408525

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Kaden, Rene
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