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Microtubules and microtubule-associated proteins [PDF]
Current Opinion in Cell Biology, 1995 Microtubule research is becoming increasingly diverse, reflecting the many isoforms and modifications of tubulin and the many proteins with which microtubules interact. Recent advances are particularly visible in four areas: microtubule motor proteins (their structures, stepping modes, and forces); microtubule nucleation (the roles of centrosomes and ...
Mandelkow, Eckhard, Mandelkow, Eva
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Microtubule-Associated Proteins and the Flexibility of Microtubules
Biochemistry, 1995Experiments were conducted to learn whether the binding of microtubule-associated proteins (MAPs) to microtubules alters the flexibility of the microtubules. Flexibility was measured in vitro by two established techniques. The first employed measurement of the bending of the microtubule in a flow of buffer; the second involved repeated measurement of ...
Robley C. Williams, Jeffrey C. Kurz
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Current Opinion in Cell Biology, 2021
The stochastic switching between microtubule growth and shrinkage is a fascinating and unique process in the regulation of the cytoskeleton. To understand it, almost all attention has been focused on the microtubule ends. However, recent research has revived the idea that tubulin dimers can also be exchanged in protofilaments along the microtubule ...
Manuel Théry +3 more
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The stochastic switching between microtubule growth and shrinkage is a fascinating and unique process in the regulation of the cytoskeleton. To understand it, almost all attention has been focused on the microtubule ends. However, recent research has revived the idea that tubulin dimers can also be exchanged in protofilaments along the microtubule ...
Manuel Théry +3 more
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Isolation of Microtubules and Microtubule-Associated Proteins
2016Microtubules are essential cellular structures in plant cells. They are polymerized from tubulin dimers and are regulated by microtubule-associated proteins (MAPs). Here, we describe a protocol for purifying tubulin dimers and MAPs from plant cells.
Seiji Sonobe, Takahiro Hamada
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Microtubules and Microtubule Motors: Mechanisms of Regulation
1996Microtubule-based motility is precisely regulated, and the targets of regulation may be the motor proteins, the microtubules, or both components of this intricately controlled system. Regulation of microtubule behavior can be mediated by cell cycle-dependent changes in centrosomal microtubule nucleating ability and by cell-specific, microtubule ...
Catherine D. Thaler, Leah T. Haimo
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Journal of Biomechanics, 2010
Microtubules are rigid cytoskeletal filaments, and their mechanics affect cell morphology and cellular processes. For instance, microtubules for the support structures for extended morphologies, such as axons and cilia. Further, microtubules act as tension rods to pull apart chromosomes during cellular division. Unlike other cytoskeletal filaments (e.g.
Matthew Mirigian +3 more
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Microtubules are rigid cytoskeletal filaments, and their mechanics affect cell morphology and cellular processes. For instance, microtubules for the support structures for extended morphologies, such as axons and cilia. Further, microtubules act as tension rods to pull apart chromosomes during cellular division. Unlike other cytoskeletal filaments (e.g.
Matthew Mirigian +3 more
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Microtubules and spermatogenesis
Seminars in Cell & Developmental Biology, 2014Microtubules are dynamic polymers of tubulin subunits that underpin many essential cellular processes, such as cell division and migration. Spermatogenesis is the process by which spermatogenic stem cells undergo mitotic and meiotic division and differentiation to produce streamlined spermatozoa capable of motility and fertilization.
O'Donnell, L., O'Bryan, M.
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Current Opinion in Cell Biology, 1992
Although compelling evidence has been obtained for heterogeneity in the structure of subunits in microtubules, it has not been possible to prove that this results from the presence of tubulin-GDP and tubulin-GTP in polymers. There are reasons to exclude the existence of even a monolayer of tubulin-GTP subunits at microtubule ends.
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Although compelling evidence has been obtained for heterogeneity in the structure of subunits in microtubules, it has not been possible to prove that this results from the presence of tubulin-GDP and tubulin-GTP in polymers. There are reasons to exclude the existence of even a monolayer of tubulin-GTP subunits at microtubule ends.
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2005
Microtubules are very dynamic polymers whose assembly and disassembly is determined by whether their heterodimeric tubulin subunits are in a straight or curved conformation. Curvature is introduced by bending at the interfaces between monomers. Assembly and disassembly are primarily controlled by the hydrolysis of guanosine triphosphate (GTP) in a site
Daniel Schlieper, Linda A. Amos
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Microtubules are very dynamic polymers whose assembly and disassembly is determined by whether their heterodimeric tubulin subunits are in a straight or curved conformation. Curvature is introduced by bending at the interfaces between monomers. Assembly and disassembly are primarily controlled by the hydrolysis of guanosine triphosphate (GTP) in a site
Daniel Schlieper, Linda A. Amos
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Microtubule-dependent microtubule nucleation in plant cells
Journal of Plant Research, 2006Regulation of microtubule nucleation sites is an essential step in microtubule organization. Cortical microtubule arrays in green plant cells at inter-phase are organized in a distinct manner--the array is formed in the absence of previously recognized organelles for microtubule nucleation, for example the centrosome and spindle pole body. Microtubules
Takashi Murata +3 more
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