Phosphorylation of Sli15 by Ipl1 is important for proper CPC localization and chromosome stability in Saccharomyces cerevisiae [PDF]
The chromosomal passenger complex (CPC) is a key regulator of eukaryotic cell division, consisting of the protein kinase Aurora B/Ipl1 in association with its activator (INCENP/Sli15) and two additional proteins (Survivin/Bir1 and Borealin/Nbl1). Here we
Corbishley, Stephen+5 more
core +7 more sources
Spindle assembly checkpoint is sufficient for complete Cdc20 sequestering in mitotic control [PDF]
The spindle checkpoint assembly (SAC) ensures genome fidelity by temporarily delaying anaphase onset, until all chromosomes are properly attached to the mitotic spindle. The SAC delays mitotic progression by preventing activation of the ubiquitin ligase anaphase-promoting complex (APC/C) or cyclosome; whose activation by Cdc20 is required for sister ...
arxiv +1 more source
Structural plasticity of the living kinetochore [PDF]
The kinetochore is a large, evolutionarily conserved protein structure that connects chromosomes with microtubules. During chromosome segregation, outer kinetochore components track depolymerizing ends of microtubules to facilitate the separation of ...
Akiyoshi+90 more
core +1 more source
APC/C-Cdh1-targeted substrates as potential therapies for Alzheimer’s disease
Alzheimer’s disease (AD) is the most prevalent neurodegenerative disorder and the main cause of dementia in the elderly. The disease has a high impact on individuals and their families and represents a growing public health and socio-economic burden ...
Rebeca Lapresa+7 more
doaj +1 more source
Anaphase Promoting Complex or Cyclosome? [PDF]
The anaphase promoting complex/cyclosome (APC/C) was initially described as a multi-subunit protein complex that ubiquitinates anaphase inhibitors thus targeting them for destruction by proteasomes to initiate loss of sister chromatid cohesion. However, recent studies have identified important new functions of the APC/C.
Duncan J. Clarke+2 more
openaire +3 more sources
Cohesin is dispensable for centromere cohesion in human cells. [PDF]
Proper regulation of the cohesion at the centromeres of human chromosomes is essential for accurate genome transmission. Exactly how cohesion is maintained and is then dissolved in anaphase is not understood.We have investigated the role of the cohesin ...
Laura A Díaz-Martínez+2 more
doaj +1 more source
Latrunculin A delays anaphase onset in fission yeast by disrupting an ase1-independent pathway controlling mitotic spindle stability [PDF]
It has been proposed previously that latrunculin A, an inhibitor of actin polymerization, delays the onset of anaphase by causing spindle misorientation in fission yeast.
Meadows, John C., Millar, Jonathan B. A.
core +2 more sources
The onset of anaphase is triggered by activation of the anaphase-promoting complex/cyclosome (APC/C) following silencing of the spindle assembly checkpoint (SAC).
John C. Meadows+7 more
doaj +1 more source
Male meiotic spindle features that efficiently segregate paired and lagging chromosomes
Chromosome segregation during male meiosis is tailored to rapidly generate multitudes of sperm. Little is known about mechanisms that efficiently partition chromosomes to produce sperm.
Gunar Fabig+9 more
doaj +1 more source
Pathogenic mutations in the chromokinesin KIF22 disrupt anaphase chromosome segregation
The chromokinesin KIF22 generates forces that contribute to mitotic chromosome congression and alignment. Mutations in the α2 helix of the motor domain of KIF22 have been identified in patients with abnormal skeletal development, and we report the ...
Alex F Thompson+7 more
doaj +1 more source