Standard Article

Bacterial Cytoplasmic Membrane

  1. Joel H Weiner,
  2. Richard A Rothery

Published Online: 21 DEC 2007

DOI: 10.1002/9780470015902.a0000299.pub2



How to Cite

Weiner, J. H. and Rothery, R. A. 2007. Bacterial Cytoplasmic Membrane. eLS. .

Author Information

  1. University of Alberta, Edmonton, Alberta, Canada

Publication History

  1. Published Online: 21 DEC 2007


The bacterial cytoplasmic membrane is composed of a phospholipid bilayer and proteins and encloses the contents of the bacterial cell. Hydrophobic in nature, it acts as a barrier, preventing the leakage of the hydrophilic cytoplasmic constituents and protecting the inside of the cell from environmental insult.


  • phospholipid;
  • bioenergetics;
  • respiration;
  • transport;
  • translocation;
  • membrane