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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 60, 期 -, 页码 1770-1777出版社
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/ijs.0.013524-0
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- Deutsche Forschungsgemeinschaft (Research Group on BioGeoChemistry of Tidal Flats) [FOR 432]
A Gram-negative motile rod, strain SAM4(T), was isolated from the highest positive dilution of a most probable number series inoculated with tidal-flat sediments from the German North Sea coast. The isolate grew at 4-35 degrees C and showed constant growth yields throughout almost the whole temperature range. Growth was observed between pH 6 and 9 and at salinities of 0.3-10.2%. Strain SAM4(T) required Na(+) for growth, contained bacteriochlorophyll a and was catalase- and oxidase-positive. It was nutritionally versatile growing on a variety of carbon compounds including carbohydrates, amino acids and organic acids like lactate or succinate. It grew anaerobically on complex media such as marine broth, indicating fermentation, and by reducing trimethylammonium oxide. The dominant phospholipids were phosphatidylethanolamine and phosphatidylglycerol, whereas only traces of phosphatidylcholine and an unidentified lipid were found. The major fatty acid was n-C(18:1)omega 7c. The DNA G+C content was 56.4 mol%. The isolate was identified as a member of the Roseobacter clade within the class Alphaproteobacteria. However, based on phylogenetic, phenotypic and physiological data, it clearly differs from its closest relative Tateyamaria omphalii. Therefore, a novel species is proposed: Tateyamaria pelophila sp. nov., with strain SAM4(T) (=DSM 17270(T)=LMG 23018(T)) as the type strain. Emended descriptions of the genus Tateyamaria and of Tateyamaria omphalii are also presented.
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