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Caldimicrobium thiodismutans sp nov., a sulfur-disproportionating bacterium isolated from a hot spring, and emended description of the genus Caldimicrobium

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Title: Caldimicrobium thiodismutans sp nov., a sulfur-disproportionating bacterium isolated from a hot spring, and emended description of the genus Caldimicrobium
Authors: Kojima, Hisaya Browse this author →KAKEN DB
Umezawa, Kazuhiro Browse this author
Fukui, Manabu Browse this author →KAKEN DB
Issue Date: 1-Apr-2016
Publisher: Society for General Microbiology
Journal Title: International journal of systematic and evolutionary microbiology
Volume: 66
Start Page: 1828
End Page: 1831
Publisher DOI: 10.1099/ijsem.0.000947
PMID: 26842785
Abstract: A novel autotrophic, thermophilic bacterium, strain TF1(T), was isolated from a hot spring in Japan. Cells of strain TF1(T) were motile, Gram-stain-negative, rod-shaped, 1.0-2.0 mu m in length and 0.5-0.6 mu m in width. Major components in the cellular fatty acid profile were C-16 : 0, C-18 : 0 and anteiso-C-17 : 0. The temperature range for growth was 40-77 degrees C, and optimum temperature was 75 degrees C. The pH range for growth was 5.9-9.5, and the optimum pH was 7.5-8.8. Strain TF1(T) grew chemolithoautotrophically by disproportionation of sulfur, thiosulfate and sulfite. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the strain belongs to the family Thermodesulfobacteriaceae. The closest cultivated relative was Caldimicrobium rimae DST, with highest 16S rRNA gene sequence similarity of 96 %. The genome of strain TF1(T) consists of one circular chromosome, with a size of 1.8 Mbp and G+ C content of 38.30 mol%. On the basis of its phylogenetic and phenotypic properties, strain TF1(T) (=DSM 29380(T) =NBRC 110713(T)) is proposed as the type strain of a novel species, Caldimicrobium thiodismutans sp. nov.
Type: article (author version)
URI: http://hdl.handle.net/2115/64925
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小島 久弥

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