The essence of being extremophilic: the role of the unique archaeal membrane lipids
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In extreme environments, mainly Archaea are encountered. The archaeal cytoplasmic membrane contains unique ether lipids that cannot easily be degraded, are temperature- and mechanically resistant, and highly salt tolerant. Moreover, thermophilic and extreme acidophilic Archaea possess membrane-spanning tetraether lipids that form a rigid monolayer membrane which is nearly impermeable to ions and protons. These properties make the archaeal lipid membranes more suitable for life and survival in extreme environments than the ester-type bilayer lipids of Bacteria or Eukarya.
- The essence of being extremophilic: the role of the unique archaeal membrane lipids
Volume 2, Issue 3 , pp 163-170
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- Key words Cytoplasmic membrane
- Solute transport
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- Author Affiliations
- A1. Department of Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, Kerklaan 30, 9751 NN Haren, The Netherlands Tel. +31-50-3632150; Fax +31-50-3632154 e-mail: W.N.Konings@biol.rug.nl, NL