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Archives of Microbiology

, Volume 121, Issue 1, pp 9–15 | Cite as

R-Bodies in newly isolated free-living hydrogen-oxidizing bacteria

  • J. Lalucat
  • O. Meyer
  • F. Mayer
  • R. Parés
  • H. G. Schlegel
Article

Abstract

R-Bodies have been found in a recently isolated pseudomonas-like free-living hydrogen oxidizing bacterium. Their isolation, fine structure and chemical composition are described and compared with the R-bodies from the kappa particles (Caedobacter), obligate endosymbionts of Paramecium aurelia. The 2K 1 R-bodies exhibited essential characteristics of the kappa R-bodies; however, their size and some other structural aspects proved that they represent a new type of R-bodies. The presence of phage tail-like particles in cells induced with Mitomycin C is in favour of the hypothesis that the R-bodies might be coded by defective prophages, or by extrachromosomal elements.

Key words

R-Bodies Kappa particles Free-living hydrogen bacteria Induction Electron microscopy Chemical composition Defective prophages Plasmids 

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Copyright information

© Springer-Verlag 1979

Authors and Affiliations

  • J. Lalucat
    • 1
  • O. Meyer
    • 2
  • F. Mayer
    • 2
  • R. Parés
    • 1
  • H. G. Schlegel
    • 2
  1. 1.Departamento de Microbiologia, Facultad de BiologiaUniversidad de BarcelonaBarcelonaSpain
  2. 2.Institut für Mikrobiologie der Universität GöttingenGottingenFederal Republic of Germany

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