Results 61 to 70 of about 273,445 (144)

CCDC84 Acetylation Oscillation Regulates Centrosome Duplication by Modulating HsSAS-6 Degradation

open access: yesCell Reports, 2019
Summary: In animal cells, centriole number is strictly controlled in order to guarantee faithful cell division and genetic stability, but the mechanism by which the accuracy of centrosome duplication is maintained is not fully understood.
Tianning Wang   +4 more
doaj   +1 more source

Two-step phosphorylation of Ana2 by Plk4 is required for the sequential loading of Ana2 and Sas6 to initiate procentriole formation [PDF]

open access: yesOpen Biology, 2017
The conserved process of centriole duplication requires Plk4 kinase to recruit and promote interactions between Sas6 and Sas5/Ana2/STIL (respective nomenclature of worms/flies/humans).
Nikola S. Dzhindzhev   +6 more
doaj   +1 more source

The homo-oligomerisation of both Sas-6 and Ana2 is required for efficient centriole assembly in flies

open access: yeseLife, 2015
Sas-6 and Ana2/STIL proteins are required for centriole duplication and the homo-oligomerisation properties of Sas-6 help establish the ninefold symmetry of the central cartwheel that initiates centriole assembly. Ana2/STIL proteins are poorly conserved,
Matthew A Cottee   +5 more
doaj   +1 more source

SAS-6 Association with γ-Tubulin Ring Complex Is Required for Centriole Duplication in Human Cells.

open access: yesCurrent Biology, 2020
Centrioles are essential components of centrosome, the main microtubule-organizing center of animal cells required for robust spindle bipolarity [1, 2].
Hindol Gupta   +8 more
semanticscholar   +1 more source

Albatross/FBF1 contributes to both centriole duplication and centrosome separation [PDF]

open access: yesGenes to Cells, 2018
AbstractThe centrosome is a small but important organelle that participates in centriole duplication, spindle formation, and ciliogenesis. Each event is regulated by key enzymatic reactions, but how these processes are integrated remains unknown. Recent studies have reported that ciliogenesis is controlled by distal appendage proteins such as FBF1 ...
Akihito Inoko   +7 more
openaire   +2 more sources

Polo-like kinase 2-dependent phosphorylation of NPM/B23 on serine 4 triggers centriole duplication. [PDF]

open access: yesPLoS ONE, 2010
Duplication of the centrosome is well controlled during faithful cell division while deregulation of this process leads to supernumary centrosomes, chromosome missegregation and aneuploidy, a hallmark of many cancer cells.
Annekatrin Krause, Ingrid Hoffmann
doaj   +1 more source

Autoamplification and Competition Drive Symmetry Breaking: Initiation of Centriole Duplication by the PLK4-STIL Network [PDF]

open access: yesbioRxiv, 2018
Symmetry breaking, a central principle of physics, has been hailed as the driver of self-organization in biological systems in general and biogenesis of cellular organelles in particular, but the molecular mechanisms of symmetry breaking only begin to ...
M. Leda, A. Holland, A. Goryachev
semanticscholar   +1 more source

Phase separation of Polo-like kinase 4 by autoactivation and clustering drives centriole biogenesis

open access: yesNature Communications, 2019
Regulation of centriole duplication is essential for normal chromosome segregation and the maintenance of genomic stability, and Polo-like kinase 4 (Plk4) is a known regulator with unclear mechanisms.
Jung-Eun Park   +5 more
doaj   +1 more source

Mild replication stress causes premature centriole disengagement via a sub-critical Plk1 activity under the control of ATR-Chk1

open access: yesNature Communications, 2023
A tight synchrony between the DNA and centrosome cycle is essential for genomic integrity. Centriole disengagement, which licenses centrosomes for duplication, occurs normally during mitotic exit. We recently demonstrated that mild DNA replication stress
Devashish Dwivedi   +2 more
doaj   +1 more source

The ubiquitin ligase FBXW7 targets the centriolar assembly protein HsSAS-6 for degradation and thereby regulates centriole duplication

open access: yesJournal of Biological Chemistry, 2020
Formation of a single new centriole from a pre-existing centriole is strictly controlled to maintain correct centrosome number and spindle polarity in cells. However, the mechanisms that govern this process are incompletely understood.
Binshad Badarudeen   +4 more
semanticscholar   +1 more source

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