Mechanism, cellular functions and cancer roles of polymerase-theta-mediated DNA end joining

DA Ramsden, J Carvajal-Garcia… - Nature reviews Molecular …, 2022 - nature.com
Cellular pathways that repair chromosomal double-strand breaks (DSBs) have pivotal roles
in cell growth, development and cancer. These DSB repair pathways have been the target of …

Translesion DNA polymerases in eukaryotes: what makes them tick?

A Vaisman, R Woodgate - Critical reviews in biochemistry and …, 2017 - Taylor & Francis
Life as we know it, simply would not exist without DNA replication. All living organisms utilize
a complex machinery to duplicate their genomes and the central role in this machinery …

Genetic determinants of cellular addiction to DNA polymerase theta

W Feng, DA Simpson, J Carvajal-Garcia… - Nature …, 2019 - nature.com
Polymerase theta (Pol θ, gene name Polq) is a widely conserved DNA polymerase that
mediates a microhomology-mediated, error-prone, double strand break (DSB) repair …

Mechanism of suppression of chromosomal instability by DNA polymerase POLQ

MJ Yousefzadeh, DW Wyatt, K Takata, Y Mu… - PLoS …, 2014 - journals.plos.org
Although a defect in the DNA polymerase POLQ leads to ionizing radiation sensitivity in
mammalian cells, the relevant enzymatic pathway has not been identified. Here we define …

DNA replication fidelity

TA Kunkel, K Bebenek - Annual review of biochemistry, 2000 - annualreviews.org
▪ Abstract DNA replication fidelity is a key determinant of genome stability and is central to
the evolution of species and to the origins of human diseases. Here we review our current …

Essential roles for polymerase θ-mediated end joining in the repair of chromosome breaks

DW Wyatt, W Feng, MP Conlin, MJ Yousefzadeh… - Molecular cell, 2016 - cell.com
DNA polymerase theta (Pol θ)-mediated end joining (TMEJ) has been implicated in the
repair of chromosome breaks, but its cellular mechanism and role relative to canonical …

The helicase domain of Polθ counteracts RPA to promote alt-NHEJ

PA Mateos-Gomez, T Kent, SK Deng… - Nature structural & …, 2017 - nature.com
Mammalian polymerase theta (Polθ) is a multifunctional enzyme that promotes error-prone
DNA repair by alternative nonhomologous end joining (alt-NHEJ). Here we present structure …

Translesion DNA synthesis and mutagenesis in eukaryotes

JE Sale - Cold Spring Harbor perspectives in biology, 2013 - cshperspectives.cshlp.org
The structural features that enable replicative DNA polymerases to synthesize DNA rapidly
and accurately also limit their ability to copy damaged DNA. Direct replication of DNA …

Novobiocin blocks nucleic acid binding to Polθ and inhibits stimulation of its ATPase activity

A Syed, F Filandr, J Patterson-Fortin… - Nucleic acids …, 2023 - academic.oup.com
Polymerase theta (Polθ) acts in DNA replication and repair, and its inhibition is synthetic
lethal in BRCA1 and BRCA2-deficient tumor cells. Novobiocin (NVB) is a first-in-class …

Emergence of a DNA-damage response network consisting of Fanconi anaemia and BRCA proteins

W Wang - Nature Reviews Genetics, 2007 - nature.com
Fanconi anaemia (FA) has recently become an attractive model to study breast cancer
susceptibility (BRCA) genes, as three FA genes, FANCD1, FANCN and FANCJ, are identical …