Sphingomonas oligophenolica sp. nov., a halo- and organo-sensitive oligotrophic bacterium from paddy soil that degrades phenolic acids at low concentrations

Hiroyuki Ohta, Reiko Hattori, Yuuji Ushiba, Hisayuki Mitsui, Masao Ito, Hiroshi Watanabe, Akira Tonosaki, Tsutomu Hattori

研究成果: Article査読

35 被引用数 (Scopus)

抄録

The taxonomic position of a halo- and organo-sensitive, oligotrophic soil bacterium, strain S213T was investigated. Cells were Gram-negative, non-motile, strictly aerobic, yellow-pigmented rods of short to medium length on diluted nutrient broth. When 0.1-0.4% (w/v) NaCl was added to diluted media composed of peptone and meat extract, growth was inhibited with increasing NaCl concentration and the cells became long aberrant forms. When 6 mM CaCl2 was added, the cells grew quite normally and aberrant cells were no longer found at 0.1-0.5% (w/v) NaCl. Chemotaxonomically, strain S213T contains chemical markers that indicate its assignment to the Sphingomonadaceae: the presence of ubiquinone Q-10 as the predominant respiratory quinone, C18:1 and C16:0 as major fatty acids, C14:0 2-OH as the major 2-hydroxy fatty acid and sphingoglycolipids. 16S rRNA gene sequence analysis indicated that strain S213T belongs to the genus Sphingomonas, exhibiting high sequence similarity to the 16S rRNA gene sequences of Sphingomonas mali IFO 15500T (98.3%), Sphingomonas pruni IFO 15498T (98.0%), Sphingomonas asaccharolytica IFO 15499T (97.9%) and Sphingomonas echinoides DSM 1805T (97.8%). The results of DNA-DNA hybridization experiments and its phenotypic characteristics clearly distinguished the strain from its nearest neighbours and demonstrate that strain S213T represents a novel Sphingomonas species, for which the name Sphingomonas oligophenolica sp. nov. is proposed. The type strain is S213T (=JCM 12082T=CIP 107926T).

本文言語English
ページ(範囲)2185-2190
ページ数6
ジャーナルInternational journal of systematic and evolutionary microbiology
54
6
DOI
出版ステータスPublished - 2004 11

ASJC Scopus subject areas

  • 微生物学
  • 生態、進化、行動および分類学

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