BAR Domain Proteins Regulate Rho GTPase Signaling

Advances in Experimental Medicine and Biology
Pontus Aspenström

Abstract

The Bin-Amphiphysin-Rvs (BAR) domain is a membrane lipid binding domain present in a wide variety of proteins, often proteins with a role in Rho-regulated signaling pathways. BAR domains do not only confer binding to lipid bilayers, they also possess a membrane sculpturing ability and thereby directly control the topology of biomembranes. BAR domain-containing proteins participate in a plethora of physiological processes but the common denominator is their capacity to link membrane dynamics to actin dynamics and thereby integrate processes such as endocytosis, exocytosis, vesicle trafficking, cell morphogenesis and cell migration. The Rho family of small GTPases constitutes an important bridging theme for many BAR domain-containing proteins. This review article will focus predominantly on the role of BAR proteins as regulators or effectors of Rho GTPases and it will only briefly discuss the structural and biophysical function of the BAR domains.

Citations

Jul 23, 2019·F1000Research·Willem-Jan PannekoekMartijn Gloerich
Oct 31, 2020·Proceedings of the National Academy of Sciences of the United States of America·Baile WangKenneth K Y Cheng

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