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Porphyrobacter mercurialis sp. nov., isolated froma stadium seat and emended description of the genus Porphyrobacter

  • Author(s): Coil, DA
  • Flanagan, JC
  • Stump, A
  • Alexiev, A
  • Lang, JM
  • Eisen, JA
  • et al.

© 2015 Coil et al. A novel, Gram-negative, non-spore-forming, pleomorphic yellow-orange bacterial strain was isolated from a stadium seat. Strain CoronadoTfalls within the Erythrobacteraceae family and the genus Porphyrobacter based on 16S rRNA phylogenetic analysis. This strain has Q-10 as the predominant respiratory lipoquinone, as do other members of the family. The fatty acid profile of this strain is similar to other Porphyrobacter, however CoronadoTcontains predominately C18:1ω7cis and C16:0, a high percentage of the latter not being observed in any other Erythrobacteraceae. This strain is catalase-positive and oxidase-negative, can grow from 4 to 28 °C, at NaCl concentrations 0.1-1.5%, and at pH 6.0-8.0. On the basis of phenotypic and phylogenetic data presented in this study, strain CoronadoTrepresents a novel species in the Porphyrobacter genus for which the name Porphyrobacter mercurialis sp. nov. is proposed; the type strain is CoronadoT(=DSMZ 29971,=LMG 28700).

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