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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 68, Issue 9

Phreatobacter cathodiphilus sp. nov., isolated from a cathode of a microbial fuel cell Free

Abstract

A novel bacterial strain, S-12, of a member of the genus Phreatobacter was isolated from a cathode of a microbial fuel cell from Suwon City, South Korea. Cells were Gram-staining-negative, aerobic, non-sporulating rods, motile by means of a polar flagellum, and formed white round colonies. The strain grew at the range of 10–40 °C (optimum, 28–30 °C), pH 6.0–10.0 (optimum 7.0–8.0) and 0–1 % NaCl. The 16S rRNA gene sequence analysis showed the relatedness of S-12 to Phreatobacter stygius YC6-17 (98.2 %) and Phreatobacter oligotrophus PI_21 (98.1 %). The major respiratory quinone was ubiquinone Q-10. Polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine and an unidentified lipid. The major fatty acids were summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c). The DNA G+C content was 69.3 mol%. On the basis of its differences from species of the genus Phreatobacter with validly published names, strain S-12 is identified as representing a novel species, for which the proposed name is Phreatobacter cathodiphilus sp. nov., with S-12 as the type strain (=KACC 18497=JCM 31612).

  • Received:
  • Accepted:
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Keyword(s): new taxa , Phreatobacter cathodiphilus , plant microbial fuel cell and taxonomy
© 2018 IUMS
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2018-07-17
2024-04-19
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Phreatobacter cathodiphilus sp. nov., isolated from a cathode of a microbial fuel cell
Int J Syst Evol Microbiol 68, 2855 (2018); https://doi.org/10.1099/ijsem.0.002904
/content/journal/ijsem/10.1099/ijsem.0.002904
/content/journal/ijsem/10.1099/ijsem.0.002904
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