Journal
ACS CHEMICAL BIOLOGY
Volume 7, Issue 1, Pages 139-149Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cb200326g
Keywords
Plasma membrane; Signal transduction; Protein biochemical modification; Membrane partitioning; Lipid nanodomains; Actin Corrals; Protein Islands; Fluorescence microscopy
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Funding
- Human Frontier Science Program (HFSP)
- Netherlands Organisation for Scientific Research (NWO) [836.09.002]
- NSF [MCB-0845062]
- UNM Spatiotemporal Modeling Center NIH [P50GM085273]
- Direct For Biological Sciences
- Div Of Molecular and Cellular Bioscience [0845062] Funding Source: National Science Foundation
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Understanding the molecular mechanisms that shape an effective cellular response is a fundamental question in biology. Biochemical measurements have revealed critical information about the order of protein protein interactions along signaling cascades but lack the resolution to determine kinetics and localization of interactions on the plasma membrane. Furthermore, the local membrane environment influences membrane receptor distributions and dynamics, which in turn influences signal transduction. To measure dynamic protein interactions and elucidate the consequences of membrane architecture interplay, direct measurements at high spatiotemporal resolution are needed. In this review, we discuss the biochemical principles regulating membrane nanodomain formation and protein function, ranging from the lipid nanoenvironment to the cortical cytoskeleton. We also discuss recent advances in fluorescence microscopy that are making it possible to quantify protein organization and biochemical events at the nanoscale in the living cell membrane.
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