The Genesis of Coccal Forms of Helicobacter pylori

  • D. M. Jones
  • A. Curry


In prolonged culture the morphology of Helicobacter pylori [2] alters from “the normal” helical form to a spherical cell via U- and V-shaped forms. This morphological transformation may be the result of less than optimal cultural conditions, a reaction to waste products, or it may be a natural phenomenon. This paper describes the formation of these atypical forms with an explanation of the mechanism of their genesis.


Spherical Form Outer Envelope Atypical Form Peptidoglycan Layer Section Transmission Electron Microscopy 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • D. M. Jones
    • 1
  • A. Curry
    • 1
  1. 1.Public Health LaboratoryWithington HospitalManchesterUK

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