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Alicycliphilus ('phi.lus. Gr. neut. n. aleiphar annointing oil; Gr. masc. n. kyklos circle or ring; Gr. masc. n. philos friend; N.L. masc. n. Alicyciphilus alicyclic compound liking, referring to the substrates used for the isolation of this organism). Proteobacteria / Betaproteobacteria / Burkholderiales / Comamonadaceae / Alicycliphilus. Short rods, 1–2 μm long and 0.6 μm wide. Motile. Gram‐negative. Nonsporulating. Facultative anaerobe. Nitrate is reduced to N2. Mesophilic, with optimal growth at 28–30°C and pH 7.2–7.4 under aerobic or anoxic conditions. Chemoorganotroph, with strictly respiratory metabolism. Degrade aromatic and alicyclic compounds. Catalase‐ and cytochrome c oxidase‐positive. The respiratory quinone is ubiquinone 8, and major fatty acids are C16:1 ω7c, C16:0, and C18:1 ω7c. Major polar lipids are hosphatidylethanolamine, phosphatidylglycerol, and diphosphatidylglycerol. The type strain of the type species was isolated from a wastewater treatment plant, cultivated with cyclohexanol as sole carbon source and nitrate as electron acceptor. DNA G + C content (mol%): 66 (HPLC) or 67.9 (genome analysis, GenBank). Type species: Alicycliphilus denitrificans Mechichi et al. 2003VP.
Original languageEnglish
Title of host publicationBergey's manual of systematics of archaea and bacteria
EditorsWilliam B.
PublisherJohn Wiley & Sons, Ltd
Number of pages19
ISBN (Electronic)9781118960608
Publication statusPublished - 20 Mar 2020


  • Alicycliphilus denitrificans
  • Facultative anaerobe
  • Chemoorganotroph
  • Alicyclic compounds degradation


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