Results 11 to 20 of about 72,949 (261)

Prime editing efficiency and fidelity are enhanced in the absence of mismatch repair

open access: yesNature Communications, 2022
Prime Editing is a versatile genome engineering tool. Here, the authors identify the DNA repair pathway known as mismatch repair as inhibitory for Prime Editing, thus, loss of mismatch repair enhances the efficiency of Prime Editing.
J. Ferreira da Silva   +7 more
doaj   +1 more source

The Startling Role of Mismatch Repair in Trinucleotide Repeat Expansions

open access: yesCells, 2021
Trinucleotide repeats are a peculiar class of microsatellites whose expansions are responsible for approximately 30 human neurological or developmental disorders.
Guy-Franck Richard
doaj   +1 more source

Alleviation of C⋅C Mismatches in DNA by the Escherichia coli Fpg Protein

open access: yesFrontiers in Microbiology, 2021
DNA polymerase III mis-insertion may, where not corrected by its 3′→ 5′ exonuclease or the mismatch repair (MMR) function, result in all possible non-cognate base pairs in DNA generating base substitutions.
Almaz Nigatu Tesfahun   +10 more
doaj   +1 more source

Strand asymmetry influences mismatch resolution during a single-strand annealing

open access: yesGenome Biology, 2022
Background Biases of DNA repair can shape the nucleotide landscape of genomes at evolutionary timescales. The molecular mechanisms of those biases are still poorly understood because it is difficult to isolate the contributions of DNA repair from those ...
Victoria O. Pokusaeva   +4 more
doaj   +1 more source

Immune Checkpoint Inhibitors in Tumors Harboring Homologous Recombination Deficiency: Challenges in Attaining Efficacy

open access: yesFrontiers in Immunology, 2022
Cancer cells harbor genomic instability due to accumulated DNA damage, one of the cancer hallmarks. At least five major DNA Damage Repair (DDR) pathways are recognized to repair DNA damages during different stages of the cell cycle, comprehending base ...
Saulo Brito Silva   +2 more
doaj   +1 more source

An Msh3 ATPase domain mutation has no effect on MMR function

open access: yesBMC Research Notes, 2017
Objective To demonstrate that the Msh3 ATPase domain is required for DNA mismatch repair and tumor suppression in a murine model. Results The DNA mismatch repair proteins are members of the ABC family of ATPases.
Yasmin Edwards
doaj   +1 more source

Error-free and error-prone DNA repair gene expression data through reprogramming and passage in human iPS cells

open access: yesData in Brief, 2020
We recently found that DNA repair-related gene expression could be altered by reprogramming as well as the increased expression of genes that accurately convey genomic information, such as homologous recombination (HR) and mismatch repair (MMR), and the ...
Yasuhide Yoshimura, Daisuke Okuzaki
doaj   +1 more source

Downregulation of both mismatch repair and non-homologous end-joining pathways in hypoxic brain tumour cell lines [PDF]

open access: yesPeerJ, 2021
Glioblastoma, a grade IV astrocytoma, has a poor survival rate in part due to ineffective treatment options available. These tumours are heterogeneous with areas of low oxygen levels, termed hypoxic regions.
Sophie Cowman   +2 more
doaj   +2 more sources

DNA Mismatch Repair [PDF]

open access: yesEcoSal Plus, 2012
DNA mismatch repair (MMR) corrects replication errors in newly synthesized DNA. It also has an antirecombination action on heteroduplexes that contain similar but not identical sequences. This review focuses on the genetics and development of MMR and not on the latest biochemical mechanisms.
openaire   +2 more sources

Sensing and Processing of DNA Interstrand Crosslinks by the Mismatch Repair Pathway

open access: yesCell Reports, 2017
Summary: DNA interstrand crosslinks (ICLs) that are repaired in non-dividing cells must be recognized independently of replication-associated DNA unwinding. Using cell-free extracts from Xenopus eggs that support neither replication nor transcription, we
Niyo Kato   +11 more
doaj   +1 more source

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