1887

Abstract

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 within the family . 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 -mannose but not urea. The major fatty acids were Cω7 and/or iso-C 2-OH, C, and Cω7. 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 sp. nov. is proposed. The type strain is ED16 ( = CCUG 57711 = ATCC BAA-1852 = DSM 22694). An emended description of the genus is proposed. Based on the results of this study, strain T118 () is properly placed in the genus Rhodoferax as .

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2014-04-01
2020-01-29
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