Rhodanobacter fulvus sp. nov., a β-galactosidase-producing gammaproteobacterium

A taxonomic study was carried out on a bacterial strain designated as Jip2T isolated from a soil sample mixed with rotten rice straw. It was a Gram-negative, aerobic, motile, and rod-shaped bacterium. It grew well on nutrient agar medium and utilized a fairly narrow spectrum of carbon source. The G+...

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Bibliographic Details
Published inJournal of general and applied microbiology Vol. 50; no. 3; pp. 143 - 147
Main Authors Im, Wan-Taek, Lee, Sung Taik, Yokota, Akira
Format Journal Article
LanguageEnglish
Published Tokyo Applied Microbiology, Molecular and Cellular Biosciences Research Foundation 2004
Microbiology Research Foundation
Subjects
16S rRNA sequence
bacterial taxonomy
Base Composition
Base Sequence
beta-Galactosidase - metabolism
Biological and medical sciences
DNA Primers
DNA, Bacterial - genetics
DNA, Ribosomal - genetics
Fundamental and applied biological sciences. Psychology
Gammaproteobacteria - classification
Gammaproteobacteria - enzymology
Gammaproteobacteria - genetics
Microbiology
Molecular Sequence Data
Oryza sativa
Phylogeny
Rhodanobacter fulvus
RNA, Bacterial - genetics
RNA, Ribosomal, 16S - genetics
γ-Proteobacteria
Hydrolases
Enzyme
O-Glycosidases
Glycosidases
β-Galactosidase
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Summary:A taxonomic study was carried out on a bacterial strain designated as Jip2T isolated from a soil sample mixed with rotten rice straw. It was a Gram-negative, aerobic, motile, and rod-shaped bacterium. It grew well on nutrient agar medium and utilized a fairly narrow spectrum of carbon source. The G+C content of the genomic DNA was 65.3 mol%. The major ubiquinone was Q-8. The major fatty acids were branched fatty acids, especially large amounts of iso C15:0 and iso C17:1 ω9c were detected in the cells grown on TSA agar for 24 h. Comparative 16S rDNA study showed a clear affiliation of this bacterium to the genus Rhodanobacter. The 16S rDNA sequence of strain Jip2T showed 96.4% sequence similarity to that of Rhodanobacter lindaniclasticus RP5575T. On the basis of phenotypic characteristics and 16S rDNA sequence analysis, strain Jip2T is clearly distinct from Rhodanobacter lindaniclasticus. We propose the name Rhodanobacter fulvus sp. nov. for strain Jip2T (=IAM 15025T=KCTC 12098T).
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ISSN:0022-1260
1349-8037
DOI:10.2323/jgam.50.143