Building Microtubule Networks: Keeping α-and β-Tubulin in Balance

LC Wethekam - 2023 - search.proquest.com
The microtubule cytoskeleton undergoes major reorganizations during mitosis, process
extension, and ciliogenesis. To achieve these rearrangements, cells must rapidly increase …

Tubulin isotype regulation maintains asymmetric requirement for α-tubulin over β-tubulin

LC Wethekam, JK Moore - Journal of Cell Biology, 2023 - rupress.org
How cells regulate α-and β-tubulin to meet the demand for αβ-heterodimers and avoid
consequences of monomer imbalance is not understood. We investigate the role of gene …

Design, overexpression, and purification of polymerization-blocked yeast αβ-tubulin mutants

V Johnson, P Ayaz, P Huddleston, LM Rice - Biochemistry, 2011 - ACS Publications
Microtubule dynamics play essential roles in intracellular organization and cell division.
They result from structural and biochemical properties of αβ-tubulin heterodimers and how …

The tubulin code at a glance

S Gadadhar, S Bodakuntla, K Natarajan… - Journal of cell …, 2017 - journals.biologists.com
Microtubules are key cytoskeletal elements of all eukaryotic cells and are assembled of
evolutionarily conserved α-tubulin–β-tubulin heterodimers. Despite their uniform structure …

Tubulin isotypes–functional insights from model organisms

ET Nsamba, ML Gupta Jr - Journal of cell science, 2022 - journals.biologists.com
The microtubule cytoskeleton is assembled from the α-and β-tubulin subunits of the
canonical tubulin heterodimer, which polymerizes into microtubules, and a small number of …

An α-tubulin mutant destabilizes the heterodimer: phenotypic consequences and interactions with tubulin-binding proteins

LR Vega, J Fleming, F Solomon - Molecular biology of the cell, 1998 - Am Soc Cell Biol
Many effectors of microtubule assembly in vitro enhance the polymerization of subunits.
However, several Saccharomyces cerevisiae genes that affect cellular microtubule …

Reconstituting Microtubules: A Decades-Long Effort From Building Block Identification to the Generation of Recombinant α/β-Tubulin

SC Ti - Frontiers in Cell and Developmental Biology, 2022 - frontiersin.org
Microtubules are cytoskeletal filaments underlying the morphology and functions of all
eukaryotic cells. In higher eukaryotes, the basic building blocks of these non-covalent …

Impact of the 'tubulin economy'on the formation and function of the microtubule cytoskeleton

R Ohi, C Strothman, M Zanic - Current opinion in cell biology, 2021 - Elsevier
The microtubule cytoskeleton is assembled from a finite pool of α, β-tubulin, the size of which
is controlled by an autoregulation mechanism. Cells also tightly regulate the architecture …

γ-Tubulin complexes and microtubule nucleation

M Moritz, DA Agard - Current opinion in structural biology, 2001 - Elsevier
Microtubules are dynamic cytoskeletal polymers that assemble from α/β-tubulin and are vital
for the establishment of cell polarity, vesicle trafficking and formation of the mitotic/meiotic …

Tubulin isotypes optimize distinct spindle positioning mechanisms during yeast mitosis

ET Nsamba, A Bera, M Costanzo, C Boone… - Journal of Cell …, 2021 - rupress.org
Microtubules are dynamic cytoskeleton filaments that are essential for a wide range of
cellular processes. They are polymerized from tubulin, a heterodimer of α-and β-subunits …