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Sphingomonas aquatica sp nov., isolated from tap water

Title
Sphingomonas aquatica sp nov., isolated from tap water
Authors
Choi, Gyu-minJo, Jung HunKang, Myung-SukKim, Min SeokLee, Soon-YoulIm, Wan-Taek
DGIST Authors
Kim, Min Seok
Issue Date
2017-04
Citation
International Journal of Systematic and Evolutionary Microbiology, 67(4), 845-850
Type
Article
Article Type
Article
Keywords
Performance Liquid-ChromatographyGenus SphingomonasOligotrophic BacteriumDeoxyribonucleic-AcidPaddy Soil
ISSN
1466-5026
Abstract
A Gram-stain-negative, strictly aerobic, rod-shaped bacterium, designated W1-2-1T, was isolated from tap water in South Korea. The strain was characterized by a polyphasic approach to clarify its taxonomic position. Strain W1-2-1T grew at 18– 42 °C and at pH 6.0–10.0 on R2A medium. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the isolate belongs to the genus Sphingomonas and is most closely related to the Sphingomonas oligophenolica JCM 12082T (97.2% similarity), Sphingomonas asaccharolytica NBRC 15499T (96.8 %), Sphingomonas desiccabilis CP1DT (96.8 %), Sphingomonas pruni NBRC 15498T (96.8 %), Sphingomonas hankookensis ODN7T (96.4 %) and Sphingomonas yabuuchiae DSM 14562T (95.8 %). Chemotaxonomic data [major ubiquinone – Q10, major polyamine – homospermidine, major fatty acids – summed feature 8 (C18: 1ɷ7c/ɷ6c), C16: 0 and C14: 0 2-OH and presence of sphingoglycolipid] supported the affiliation of the strain to the genus Sphingomonas. The G+C content of genomic DNA was 67.1 mol%. However, low level of DNA–DNA relatedness value between strain W1-2-1T and S. oligophenolica JCM 12082T and the results of physiological and biochemical tests allowed genotypic and phenotypic differentiation of strain W1-2-1T from other Sphingomonas species with validly published names. Therefore, the isolate represents a novel species, for which the name Sphingomonas aquatica sp. nov. (type strain W1-2-1T=KACC 18309T =LMG 28596T) is proposed. © 2017 IUMS.
URI
http://hdl.handle.net/20.500.11750/6539
DOI
10.1099/ijsem.0.001682
Publisher
MICROBIOLOGY SOC
Related Researcher
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Collection:
Department of New BiologyBioDr. Lab - Nanobiomedicine1. Journal Articles


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