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The Septin Cytoskeleton: Assembly and Functions in Intracellular Organization
Encyclopedia entry

The Septin Cytoskeleton: Assembly and Functions in Intracellular Organization

Benjamin P. Robinson, Lee Dolat and Elias T. Spiliotis
Encyclopedia of Cell Biology: Volume 1-6, Second Edition, v 3, pp 70-78
01 Jan 2022

Abstract

Actin microfilaments Actomyosin Cancer Diffusion barriers Host defense against pathogens Membrane skeleton Membrane traffic Microtubule motors Microtubules Neurodegeneration Neurodevelopmental disorders Regulation of spatial organization Septin cytoskeleton Infertility
Septins comprise a network of non-polar filamentous oligomers and polymers, which assemble in a guanine nucleotide-dependent manner. Septins are structurally and functionally integrated into the membrane skeleton, and the cytoplasmic networks of actin filaments and microtubules. The primary function of septins is to control the spatial organization of membrane and cytoplasmic proteins by forming scaffolds and barriers. Thus, septins play key structural and regulatory roles in many of the functions and processes of the eukaryotic cell. Importantly, aberrations in septin expression and function are linked to the pathogenesis of various disease states

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