Results 31 to 40 of about 44,237 (280)
Spindle and kinetochore–associated protein 1 is a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation.
Kai Wang+5 more
doaj +1 more source
Synergistic Control of Kinetochore Protein Levels by Psh1 and Ubr2.
The accurate segregation of chromosomes during cell division is achieved by attachment of chromosomes to the mitotic spindle via the kinetochore, a large multi-protein complex that assembles on centromeres.
Eva Herrero, Peter H Thorpe
doaj +1 more source
Budding yeast kinetochore proteins, Chl4 and Ctf19, are required to maintain SPB-centromere proximity during G1 and late anaphase. [PDF]
In the budding yeast, centromeres stay clustered near the spindle pole bodies (SPBs) through most of the cell cycle. This SPB-centromere proximity requires microtubules and functional kinetochores, which are protein complexes formed on the centromeres ...
Soumitra Sau+3 more
doaj +1 more source
Checkpoint proteins come under scrutiny [PDF]
Details are emerging of the interactions between the kinetochore and various spindle checkpoint proteins that ensure that sister chromatids are equally divided between daughter cells during cell ...
Millar, Jonathan B. A.+1 more
core +1 more source
The Dam1 ring binds to the E-hook of tubulin and diffuses along the microtubule. [PDF]
There has been much effort in recent years aimed at understanding the molecular mechanism by which the Dam1 kinetochore complex is able to couple microtubule depolymerization to poleward movement. Both a biased diffusion and a forced walk model have been
Barnes, Georjana+7 more
core +2 more sources
Ybp2 associates with the central kinetochore of Saccharomyces cerevisiae and mediates proper mitotic progression. [PDF]
The spindle checkpoint ensures the accurate segregation of chromosomes by monitoring the status of kinetochore attachment to microtubules. Simultaneous mutations in one of several kinetochore and cohesion genes and a spindle checkpoint gene cause a ...
Kentaro Ohkuni+4 more
doaj +1 more source
At each cell division, nanometer-scale components self-organize to build a micron-scale spindle. In mammalian spindles, microtubule bundles called kinetochore-fibers attach to chromosomes and focus into spindle poles.
Manuela Richter+5 more
doaj +1 more source
CENP-A Is Dispensable for Mitotic Centromere Function after Initial Centromere/Kinetochore Assembly [PDF]
Human centromeres are defined by chromatin containing the histone H3 variant CENP-A assembled onto repetitive alphoid DNA sequences. By inducing rapid, complete degradation of endogenous CENP-A, we now demonstrate that once the first steps of centromere ...
Barra V.+8 more
core +1 more source
HIM-10 is required for kinetochore structure and function on Caenorhabditis elegans holocentric chromosomes. [PDF]
Macromolecular structures called kinetochores attach and move chromosomes within the spindle during chromosome segregation. Using electron microscopy, we identified a structure on the holocentric mitotic and meiotic chromosomes of Caenorhabditis elegans ...
Albertson+33 more
core +2 more sources
Lagging chromosome is a hallmark of aneuploidy arising from errors in the kinetochore–spindle attachment in animal cells. However, kinetochore components and cellular phenotypes associated with kinetochore dysfunction are much less explored in plants ...
Elena Kozgunova+2 more
doaj +1 more source