Adaptations of archaeal and bacterial membranes to variations in temperature, pH and pressure

Melvin F. Siliakus*, John van der Oost, Servé W.M. Kengen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

51 Citations (Scopus)

Abstract

The cytoplasmic membrane of a prokaryotic cell consists of a lipid bilayer or a monolayer that shields the cellular content from the environment. In addition, the membrane contains proteins that are responsible for transport of proteins and metabolites as well as for signalling and energy transduction. Maintenance of the functionality of the membrane during changing environmental conditions relies on the cell’s potential to rapidly adjust the lipid composition of its membrane. Despite the fundamental chemical differences between bacterial ester lipids and archaeal ether lipids, both types are functional under a wide range of environmental conditions. We here provide an overview of archaeal and bacterial strategies of changing the lipid compositions of their membranes. Some molecular adjustments are unique for archaea or bacteria, whereas others are shared between the two domains. Strikingly, shared adjustments were predominantly observed near the growth boundaries of bacteria. Here, we demonstrate that the presence of membrane spanning ether-lipids and methyl branches shows a striking relationship with the growth boundaries of archaea and bacteria.
Original languageEnglish
Pages (from-to)651-670
JournalExtremophiles
Volume21
Issue number4
DOIs
Publication statusPublished - 2017

Fingerprint

Lipids
Pressure
Temperature
Membranes
Archaea
Bacteria
Prokaryotic Cells
Methyl Ethers
Lipid Bilayers
Protein Transport
Growth
Ether
Carrier Proteins
Membrane Proteins
Esters
Maintenance
Cell Membrane

Keywords

  • Adaptation
  • Archaea
  • Bacteria
  • Lipids
  • Membranes

Cite this

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abstract = "The cytoplasmic membrane of a prokaryotic cell consists of a lipid bilayer or a monolayer that shields the cellular content from the environment. In addition, the membrane contains proteins that are responsible for transport of proteins and metabolites as well as for signalling and energy transduction. Maintenance of the functionality of the membrane during changing environmental conditions relies on the cell’s potential to rapidly adjust the lipid composition of its membrane. Despite the fundamental chemical differences between bacterial ester lipids and archaeal ether lipids, both types are functional under a wide range of environmental conditions. We here provide an overview of archaeal and bacterial strategies of changing the lipid compositions of their membranes. Some molecular adjustments are unique for archaea or bacteria, whereas others are shared between the two domains. Strikingly, shared adjustments were predominantly observed near the growth boundaries of bacteria. Here, we demonstrate that the presence of membrane spanning ether-lipids and methyl branches shows a striking relationship with the growth boundaries of archaea and bacteria.",
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Adaptations of archaeal and bacterial membranes to variations in temperature, pH and pressure. / Siliakus, Melvin F.; van der Oost, John; Kengen, Servé W.M.

In: Extremophiles, Vol. 21, No. 4, 2017, p. 651-670.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Adaptations of archaeal and bacterial membranes to variations in temperature, pH and pressure

AU - Siliakus, Melvin F.

AU - van der Oost, John

AU - Kengen, Servé W.M.

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AB - The cytoplasmic membrane of a prokaryotic cell consists of a lipid bilayer or a monolayer that shields the cellular content from the environment. In addition, the membrane contains proteins that are responsible for transport of proteins and metabolites as well as for signalling and energy transduction. Maintenance of the functionality of the membrane during changing environmental conditions relies on the cell’s potential to rapidly adjust the lipid composition of its membrane. Despite the fundamental chemical differences between bacterial ester lipids and archaeal ether lipids, both types are functional under a wide range of environmental conditions. We here provide an overview of archaeal and bacterial strategies of changing the lipid compositions of their membranes. Some molecular adjustments are unique for archaea or bacteria, whereas others are shared between the two domains. Strikingly, shared adjustments were predominantly observed near the growth boundaries of bacteria. Here, we demonstrate that the presence of membrane spanning ether-lipids and methyl branches shows a striking relationship with the growth boundaries of archaea and bacteria.

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