title: Alicyclobacillus ferrooxydans sp. nov., a ferrous-oxidizing bacterium from solfataric soil.
abstract: A novel mesophilic and acidophilic Gram-positive bacterium, designated strain TC-34(T), was isolated from solfataric soil. Strain TC-34(T) grew aerobically at 17-40 degrees C and pH 2.0-6.0, and optimally at 28 degrees C and pH 3.0. Analysis based on 16S rRNA gene sequences showed that strain TC-34(T) was phylogenetically related to members of the genus Alicyclobacillus, with the highest similarity (94.8 %) to Alicyclobacillus pomorum. Strain TC-34(T) showed a range of phenotypic characteristics that differentiated it from recognized Alicyclobacillus species, including growth temperature, assimilation of carbon sources and production of acids from a range of compounds. Strain TC-34(T) was able to oxidize ferrous iron and its growth was correlated with the oxidation of Fe(2+) in culture medium. omega-Alicyclic fatty acids were not detected. On the basis of these results, it was concluded that strain TC-34(T) represents a novel species of the genus Alicyclobacillus, for which the name Alicyclobacillus ferrooxydans (type strain TC-34(T)=JCM 15090(T)=CGMCC 1.6357(T)) is proposed.
authors.affiliation: State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.
authors.forename: Cheng-Ying
authors.initials: CY
authors.lastname: Jiang
authors.forename: Ying
authors.initials: Y
authors.lastname: Liu
authors.forename: Yan-Yang
authors.initials: YY
authors.lastname: Liu
authors.forename: Xiao-Yan
authors.initials: XY
authors.lastname: You
authors.forename: Xu
authors.initials: X
authors.lastname: Guo
authors.forename: Shuang-Jiang
authors.initials: SJ
authors.lastname: Liu
mesh_terms: D001406:Bacillaceae / Q000737:chemistry / Q000145:classification* / Q000235:genetics / Q000502:physiology*; D005227:Fatty Acids / Q000032:analysis; D007501:Iron / Q000378:metabolism*; D008969:Molecular Sequence Data; D010084:Oxidation-Reduction; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D012988:Soil Microbiology; D013045:Species Specificity
chemical_list: D005227:Fatty Acids; D012336:RNA, Ribosomal, 16S; D007501:Iron