DNA glycosylases: in DNA repair and beyond

AL Jacobs, P Schär - Chromosoma, 2012 - Springer
The base excision repair machinery protects DNA in cells from the damaging effects of
oxidation, alkylation, and deamination; it is specialized to fix single-base damage in the form …

[HTML][HTML] Base excision repair of oxidative DNA damage: from mechanism to disease

AM Whitaker, MA Schaich, MS Smith… - Frontiers in …, 2017 - ncbi.nlm.nih.gov
Reactive oxygen species continuously assault the structure of DNA resulting in oxidation
and fragmentation of the nucleobases. Both oxidative DNA damage itself and its repair …

Thymine DNA glycosylase can rapidly excise 5-formylcytosine and 5-carboxylcytosine: potential implications for active demethylation of CpG sites

A Maiti, AC Drohat - Journal of Biological Chemistry, 2011 - ASBMB
Thymine DNA glycosylase (TDG) excises T from G· T mispairs and is thought to initiate base
excision repair (BER) of deaminated 5-methylcytosine (mC). Recent studies show that TDG …

Base excision repair and cancer

SS Wallace, DL Murphy, JB Sweasy - Cancer letters, 2012 - Elsevier
Base excision repair is the system used from bacteria to man to remove the tens of
thousands of endogenous DNA damages produced daily in each human cell. Base excision …

Thymine DNA glycosylase specifically recognizes 5-carboxylcytosine-modified DNA

L Zhang, X Lu, J Lu, H Liang, Q Dai, GL Xu… - Nature chemical …, 2012 - nature.com
Human thymine DNA glycosylase (hTDG) efficiently excises 5-carboxylcytosine (5caC), a
key oxidation product of 5-methylcytosine in genomic DNA, in a recently discovered cytosine …

Chimeric d/l-DNA Probes of Base Excision Repair Enable Real-Time Monitoring of Thymine DNA Glycosylase Activity in Live Cells

W Zhong, JT Sczepanski - Journal of the American Chemical …, 2023 - ACS Publications
The base excision repair (BER) pathway is a frontline defender of genomic integrity and
plays a central role in epigenetic regulation through its involvement in the erasure of 5 …

The curious chemical biology of cytosine: deamination, methylation, and oxidation as modulators of genomic potential

CS Nabel, SA Manning, RM Kohli - ACS chemical biology, 2012 - ACS Publications
A multitude of functions have evolved around cytosine within DNA, endowing the base with
physiological significance beyond simple information storage. This versatility arises from …

Recent advances in the structural mechanisms of DNA glycosylases

SC Brooks, S Adhikary, EH Rubinson… - Biochimica et Biophysica …, 2013 - Elsevier
DNA glycosylases safeguard the genome by locating and excising a diverse array of
aberrant nucleobases created from oxidation, alkylation, and deamination of DNA. Since the …

Detection of damaged DNA bases by DNA glycosylase enzymes

JI Friedman, JT Stivers - Biochemistry, 2010 - ACS Publications
A fundamental and shared process in all forms of life is the use of DNA glycosylase enzymes
to excise rare damaged bases from genomic DNA. Without such enzymes, the highly …

Excision of 5-hydroxymethyluracil and 5-carboxylcytosine by the thymine DNA glycosylase domain: its structural basis and implications for active DNA demethylation

H Hashimoto, S Hong, AS Bhagwat… - Nucleic acids …, 2012 - academic.oup.com
The mammalian thymine DNA glycosylase (TDG) is implicated in active DNA demethylation
via the base excision repair pathway. TDG excises the mismatched base from G: X …