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Sulfuriferula nivalis sp. nov., a sulfur oxidizer isolated from snow and emended description of Sulfuriferula plumbiphila

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Title: Sulfuriferula nivalis sp. nov., a sulfur oxidizer isolated from snow and emended description of Sulfuriferula plumbiphila
Authors: Kojima, Hisaya Browse this author →KAKEN DB
Mochizuki, Jun Browse this author
Fukui, Manabu Browse this author →KAKEN DB
Keywords: sulfur-oxidizing bacteria
Issue Date: 4-May-2020
Publisher: Society for General Microbiology
Journal Title: International journal of systematic and evolutionary microbiology
Volume: 70
Issue: 5
Start Page: 3273
End Page: 3277
Publisher DOI: 10.1099/ijsem.0.004166
Abstract: A chemolithoautotrophic sulfur-oxidizing bacterium, strain SGTM(T) was isolated from snow collected in Japan. As electron donors for growth, SGTM(T) oxidized thiosulfate, tetrathionate and elemental sulfur. Heterotrophic growth was not observed. Growth of the novel isolate was observed at a temperature range of 5-28 degrees C, with optimum growth at 18 degrees C. SGTM(T) grew at a pH range of 4.3-7.4, with optimum growth at pH 6.1-7.1. Major components in the cellular fatty acid profile were summed feature 3 (C-16:1 omega 7c and/or C-16:1 omega 6c) and C-16:0. The complete genome of SGTM(T) consisted of a circular chromosome of approximately 3.4 Mbp and two plasmids. Phylogenetic analysis based on the 16S rRNA gene indicated that SGTM(T) represented a member of the genus Sulfuriferula, and its closest relative is Sulfuriferula thiophila mst6(T) with a sequence identity of 98%. A comparative genome analysis showed dissimilarity between the genomes of SGTM(T) and S. thiophila mst6(T), as low values of average nucleotide identity (74.9%) and digital DNA-DNA hybridization (20.4%). On the basis of its genomic and phenotypic properties. SGTM(T) (=DSM 109609(T)=BCRC 81185(T)) is proposed as the type strain of a novel species, Sulfuriferula nivalis sp. nov. Some characteristics of another species in the same genus, Sulfuriferula plumbiphila, were also investigated to revise and supplement its description. The type strain of S. plumbiphila can grow on thiosulfate, tetrathionate and elemental sulfur. The strain showed optimum growth at pH 6.3-7.0 and shared major cellular fatty acids with the other species of the genus Sulfuriferula.
Type: article
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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