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Evolution of membrane signaling and trafficking in plants

Frontiers in Plant Science
Frontiers Media SA
Publication Date
DOI: 10.3389/fpls.2013.00040
  • Plant Science
  • Editorial Article
  • Biology


Evolution of membrane signaling and trafficking in plants EDITORIAL published: 05 March 2013 doi: 10.3389/fpls.2013.00040 Evolution of membrane signaling and trafficking in plants Markus Geisler* Plant Biology – geislerLab, Department of Biology, University of Fribourg, Fribourg, Switzerland *Correspondence: [email protected] Edited by: Wendy A. Peer, University of Maryland, USA Reviewed by: Wendy A. Peer, University of Maryland, USA Membrane proteins are essential determinants of many bio- logical processes in plants. They function in metabolic processes, signal transduction, transport of small molecules and polymers across endo- and plasma membranes, and inter-compartmental trafficking of proteins, lipids, and cell wall components. During these highly integrative pro- cesses, dynamic interactions of membrane proteins with other membrane or soluble components are thought to provide a high degree of flexibility that usually charac- terizes higher plants. This concept is supported by the recent release of a first, partial Arabidopsis interactome by the Arabidopsis Interactome Mapping Consortium [; (Arabidopsis Interactome Mapping Consortium, 2011)]. The Arabidopsis interactome reveals a strong enrichment of a few network communities, with the transmembrane transport community being the largest. Strikingly, the high degree of shared pro- teins among the transmembrane transport and trafficking communities suggests both physical interaction and functional overlap (see Figure 1). FIGURE 1 | The large transmembrane transport community (brown) shares a high amount of proteins with the vesicle trafficking community (blue) suggesting a strong physical and functional overlap and interaction. AI-1MAIN communities enriched in gene ontology annotations are colored. Modified from Arabidopsis Interactome Mapping Consortium (2011). March 2013 | Volume 4 | Article 40 | 1 Geisler Evolution of membrane

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