The abscission checkpoint: a guardian of chromosomal stability

E Petsalaki, G Zachos - Cells, 2021 - mdpi.com
The abscission checkpoint contributes to the fidelity of chromosome segregation by delaying
completion of cytokinesis (abscission) when there is chromatin lagging in the intercellular …

Rescue from replication stress during mitosis

M Fragkos, V Naim - Cell cycle, 2017 - Taylor & Francis
Genomic instability is a hallmark of cancer and a common feature of human disorders,
characterized by growth defects, neurodegeneration, cancer predisposition, and aging …

Budding yeast Rif1 binds to replication origins and protects DNA at blocked replication forks

S Hiraga, C Monerawela, Y Katou, S Shaw… - EMBO …, 2018 - embopress.org
Despite its evolutionarily conserved function in controlling DNA replication, the
chromosomal binding sites of the budding yeast Rif1 protein are not well understood. Here …

TRF1 averts chromatin remodelling, recombination and replication dependent-break induced replication at mouse telomeres

RM Porreca, E Herrera-Moyano, E Skourti, PP Law… - Elife, 2020 - elifesciences.org
Telomeres are a significant challenge to DNA replication and are prone to replication stress
and telomere fragility. The shelterin component TRF1 facilitates telomere replication but the …

Anaphase: a fortune-teller of genomic instability

AH Bizard, ID Hickson - Current opinion in cell biology, 2018 - Elsevier
The anaphase of mitosis is one of the most critical stages of the cell division cycle in that it
can reveal precious information on the fate of a cell lineage. Indeed, most types of nuclear …

G-quadruplex binding protein Rif1, a key regulator of replication timing

S Alavi, H Ghadiri, B Dabirmanesh… - The journal of …, 2021 - academic.oup.com
DNA replication is spatially and temporally regulated during S phase to execute efficient and
coordinated duplication of entire genome. Various epigenomic mechanisms operate to …

Building bridges between chromosomes: novel insights into the abscission checkpoint

E Petsalaki, G Zachos - Cellular and Molecular Life Sciences, 2019 - Springer
In the presence of chromatin bridges, mammalian cells delay completion of cytokinesis
(abscission) to prevent chromatin breakage or tetraploidization by regression of the …

[HTML][HTML] RIF1 suppresses the formation of single-stranded ultrafine anaphase bridges via protein phosphatase 1

N Kong, Z Liu, YW Chan - Cell Reports, 2023 - cell.com
Resolution of ultrafine anaphase bridges (UFBs) must be completed before cytokinesis to
ensure sister-chromatid disjunction. RIF1 is involved in UFB resolution by a mechanism that …

Distinct 'safe zones' at the nuclear envelope ensure robust replication of heterochromatic chromosome regions

H Ebrahimi, H Masuda, D Jain, JP Cooper - Elife, 2018 - elifesciences.org
Chromosome replication and transcription occur within a complex nuclear milieu whose
functional subdomains are beginning to be mapped out. Here we delineate distinct domains …

Parallel genetic screens identify nuclear envelope homeostasis as a key determinant of telomere entanglement resolution in fission yeast

RK Nageshan, N Krogan… - G3: Genes, Genomes …, 2024 - academic.oup.com
In fission yeast lacking the telomere binding protein, Taz1, replication forks stall at
telomeres, triggering deleterious downstream events. Strand invasion from one taz1Δ …