Results 61 to 70 of about 947,032 (193)

Premature Sister Chromatid Separation Is Poorly Detected by the Spindle Assembly Checkpoint as a Result of System-Level Feedback

open access: yesCell Reports, 2015
Sister chromatid cohesion, mediated by the cohesin complex, is essential for faithful mitosis. Nevertheless, evidence suggests that the surveillance mechanism that governs mitotic fidelity, the spindle assembly checkpoint (SAC), is not robust enough to ...
Mihailo Mirkovic   +3 more
doaj   +1 more source

The cohesion protein SOLO associates with SMC1 and is required for synapsis, recombination, homolog bias and cohesion and pairing of centromeres in Drosophila Meiosis. [PDF]

open access: yesPLoS Genetics, 2013
Cohesion between sister chromatids is mediated by cohesin and is essential for proper meiotic segregation of both sister chromatids and homologs. solo encodes a Drosophila meiosis-specific cohesion protein with no apparent sequence homology to cohesins ...
Rihui Yan, Bruce D McKee
doaj   +1 more source

ATZ‐1 promotes DNA replication efficiency to maintain normal meiotic function

open access: yesFEBS Open Bio, EarlyView.
Absence of ATZ‐1 interferes with meiotic DNA replication and cell cycle function via CHK‐1. This causes downstream defects associated with DNA damage and genomic integrity. Taken together, this study suggests that ATZ‐1 influences DNA replication efficiency and cell cycle function to maintain normal meiotic function.
Taylin E. Gourley   +5 more
wiley   +1 more source

Replication factor C complexes play unique pro- and anti-establishment roles in sister chromatid cohesion. [PDF]

open access: yesPLoS ONE, 2010
Recent studies have lead to a rapid expansion of sister chromatid cohesion pathways. Of particular interest is the growth in classifications of anti-establishment factors-now including those that are cohesin-associated (Rad61/WAPL and Pds5) or DNA ...
Marie E Maradeo, Robert V Skibbens
doaj   +1 more source

Chronobiology of Cancer: How Aging Fuels Oncogenesis at the Molecular Level

open access: yesAging and Cancer, EarlyView.
This graphical abstract illustrates the key biological pathways linking aging with cancer development and progression. In the upper left, cumulative exposure to ultraviolet radiation, toxins, and reactive oxygen species (ROS) causes DNA damage and genomic instability, whereas age‐related decline in repair mechanisms, such as ATM/ATR, BER, and NER ...
Anu Singh, Aroonima Misra, Sufian Zaheer
wiley   +1 more source

CDK11p58 is required for the maintenance of sister chromatid cohesion [PDF]

open access: yesJournal of Cell Science, 2007
Cyclin-dependent kinase 11 (CDK11) mRNA produces a 110-kDa protein (CDK11p110) throughout the cell cycle and a 58-kDa protein (CDK11p58) that is specifically translated from an internal ribosome entry site sequence during G2/M. CDK11p110 is involved in transcription and RNA processing, and CDK11p58 is involved in centrosome maturation and spindle ...
Dongli, Hu   +3 more
openaire   +2 more sources

Regulation of Sister-Chromatid Cohesion [PDF]

open access: yes, 2020
Orderly execution of two critical events during the cell cycle--DNA replication and chromosome segregation--ensures the stable transmission of genetic materials.
Zheng, Ge
core   +1 more source

A Rare Form of Microcephalic Primordial Dwarfism due to NSMCE2 Deficiency (Seckel Syndrome Type 10): A Report of Macular Involvement

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Biallelic variants in NSMCE2 (MMS21), which encodes the SUMO E3 ligase subunit of the SMC5/6 chromatin‐maintenance complex, have recently been implicated in microcephalic primordial dwarfism (MPD), corresponding to Seckel syndrome type 10 (OMIM #617246).
Cristina Peduto   +5 more
wiley   +1 more source

Regulation of Sister Chromatid Cohesion between Chromosome Arms [PDF]

open access: yesCurrent Biology, 2004
Sister chromatid separation in anaphase depends on the removal of cohesin complexes from chromosomes. In vertebrates, the bulk of cohesin is already removed from chromosome arms during prophase and prometaphase, whereas cohesin remains at centromeres until metaphase, when cohesin is cleaved by the protease separase. In unperturbed mitoses, arm cohesion
Giménez-Abián, Juan F.   +7 more
openaire   +3 more sources

Chl1 DNA helicase regulates Scc2 deposition specifically during DNA-replication in Saccharomyces cerevisiae.

open access: yesPLoS ONE, 2013
The conserved family of cohesin proteins that mediate sister chromatid cohesion requires Scc2, Scc4 for chromatin-association and Eco1/Ctf7 for conversion to a tethering competent state.
Soumya Rudra, Robert V Skibbens
doaj   +1 more source

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