Membrane remodeling and organization: Elements common to prokaryotes and eukaryotes

Membrane remodeling processes in eukaryotes, such as those involved in endocytosis and intracellular trafficking, are mediated by a large number of structural, accessory and regulatory proteins. These processes occur in all cell types, enabling the exchange of signals and/or nutrients with the exter...

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Bibliographic Details
Published in:IUBMB life 2017-02, Vol.69 (2), p.55-62
Main Authors: Vega‐Cabrera, Luz A., Pardo‐López, Liliana
Format: Article
Language:English
Subjects:
actin
arrestin
Bacillus subtilis
Cell Membrane - chemistry
Cell Membrane - genetics
cytoskeleton
Cytoskeleton - chemistry
Cytoskeleton - genetics
dynamin
Endocytosis - genetics
Eukaryota - chemistry
Eukaryota - genetics
flotillin
membrane elements
Membrane Proteins - chemistry
Membrane Proteins - genetics
Prokaryotic Cells - chemistry
Prokaryotic Cells - metabolism
Signal Transduction
Spores, Bacterial - chemistry
Spores, Bacterial - genetics
tubulin
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Summary:Membrane remodeling processes in eukaryotes, such as those involved in endocytosis and intracellular trafficking, are mediated by a large number of structural, accessory and regulatory proteins. These processes occur in all cell types, enabling the exchange of signals and/or nutrients with the external medium and with neighboring cells; likewise, they are required for the intracellular trafficking of various cargo molecules between organelles, as well as the recycling of these structures. Recent studies have demonstrated that some elements of the molecular machinery involved in regulating and mediating endocytosis in eukaryotic cells are also present in some bacteria, where they participate in processes such as cell division, sporulation and signal transduction. However, the mechanism whereby this prokaryotic machinery carries out such functions has barely begun to be elucidated. This review summarizes recent information about the cytoskeletal and membrane‐organizing proteins for which bacterial homologs have been identified; given their known functions, they may be considered to be part of an ancestral membrane organization system that first emerged in prokaryotes and which further evolved into the more complex regulatory networks operating in eukaryotes. © 2017 IUBMB Life, 69(2):55–62, 2017
ISSN:1521-6543
1521-6551
DOI:10.1002/iub.1604