Results 71 to 80 of about 170,053 (305)

Anaphase specific auto‐cleavage of separase [PDF]

open access: yesFEBS Letters, 2002
Sister‐chromatid separation is triggered by a specific proteolytic cleavage of chromosomal cohesins catalyzed by the endopeptidase separase. Prior to anaphase, separase is inhibited independently by affinity binding to securin and by specific inhibitory phosphorylation.
Zou, H.   +4 more
openaire   +4 more sources

The role of phosphorylation in the elasticity of the tethers that connect telomeres of separating anaphase chromosomes

open access: yesNucleus, 2020
Elastic tethers, connecting telomeres of all separating anaphase chromosome pairs, lose elasticity when they lengthen during anaphase. Treatment with phosphatase inhibitor CalyculinA causes anaphase chromosomes to move backwards after they reach the ...
Emma Kite, Arthur Forer
doaj   +1 more source

Chromosome movement in lysed mitotic cells is inhibited by vanadate. [PDF]

open access: yes, 1978
Mitotic PtK1 cells, lysed at anaphase into a carbowax 20 M Brij 58 solution, continue to move chromosomes toward the spindle poles and to move the spindle poles apart at 50% in vivo rates for 10 min.
CANDE, W. Zacheus, Wolniak, S
core   +1 more source

Giant cell formation produced by laser microbeam irradiation of chromatin in Chinese hamster cells [PDF]

open access: yes, 1981
A pulsed laser microbeam of wavelength 532 nm was used to produce visible small lesions in the nucleoplasm or in the cytoplasm of V79 Chinese hamster cells.
Altmann   +34 more
core   +2 more sources

Phase‐Separation of YAP Mediates AJUBA Super Enhancer Activation to Promote Aberrant Mitosis in Breast Cancer

open access: yesAdvanced Science, EarlyView.
YAP undergoes phase separation to activate the AJUBA super‐enhancer, driving aberrant mitosis through spindle checkpoint dysregulation in breast cancer. This study uncovers a mechanistic link between YAP condensates, super‐enhancer activation, and aneuploidy formation.
Rui Zhang   +8 more
wiley   +1 more source

Mitotic Exit Function of Polo-like Kinase Cdc5 Is Dependent on Sequential Activation by Cdk1

open access: yesCell Reports, 2016
To complete mitosis, Saccharomyces cerevisiae needs to activate the mitotic phosphatase Cdc14. Two pathways contribute to Cdc14 regulation: FEAR (Cdc14 early anaphase release) and MEN (mitotic exit network).
Jose-Antonio Rodriguez-Rodriguez   +3 more
doaj   +1 more source

TOPBP1 recruits TOP2A to ultra-fine anaphase bridges to aid in their resolution

open access: yesNature Communications, 2015
During mitosis, sister chromatids must be faithfully segregated to ensure that daughter cells receive one copy of each chromosome. However, following replication they often remain entangled.
R. Broderick   +4 more
semanticscholar   +1 more source

CCDC41 Drives Oocyte Meiotic Progression by Promoting Rab11a/Rab7‐Positive Vesicle Fusion with Target Membranes

open access: yesAdvanced Science, EarlyView.
CCDC41 is essential for meiotic maturation in mouse oocytes through regulating Rab7‐positive endosomes fusion with lysosomes and Rab11a‐positive vesicle fusion with the plasma membrane. Abstract Coiled‐coil domain‐containing protein 41 (CCDC41), a core component of centriolar distal appendages involved in centriole assembly and ciliary vesicle docking,
Ying Tian   +12 more
wiley   +1 more source

Multipolar spindle pole coalescence is a major source of kinetochore mis-attachment and chromosome mis-segregation in cancer cells. [PDF]

open access: yesPLoS ONE, 2009
Many cancer cells display a CIN (Chromosome Instability) phenotype, by which they exhibit high rates of chromosome loss or gain at each cell cycle. Over the years, a number of different mechanisms, including mitotic spindle multipolarity, cytokinesis ...
William T Silkworth   +3 more
doaj   +1 more source

Interactions of Antibody Drug Conjugate Anti‐Tubulin and Topoisomerase I Inhibitor Payloads with Radiotherapy to Potentiate Immunotherapy

open access: yesAdvanced Science, EarlyView.
Antibody drug conjugates deliver their cytotoxic anti‐tubulin or topoisomerase I inhibitor payloads to tumors through cancer cell receptor targeting. The released drug payloads induce cellular changes that interact with radiotherapy resulting in radiosensitization that improves cancer cell kill and stimulates anti‐tumor immune responses.
Jacqueline Lesperance   +17 more
wiley   +1 more source

Home - About - Disclaimer - Privacy