The role of thymine DNA glycosylase in transcription, active DNA demethylation, and cancer

O Onabote, HM Hassan, M Isovic, J Torchia - Cancers, 2022 - mdpi.com
… 5-formylcytosine (5-fC) and 5-carboxylcytosine (5-caC). 5-fC … excised by the base excision
repair (BER) protein Thymine … terminal domain, whereas its carboxyl terminal domain has an …

Chemical and enzymatic modifications of 5-methylcytosine at the intersection of DNA damage, repair, and epigenetic reprogramming

T Baljinnyam, ML Sowers, CW Hsu, JW Conrad… - Plos one, 2022 - journals.plos.org
… undergo oxidation, generating 5-hydroxymethyluracil (5hmU), 5… to be substrates for Thymine
DNA glycosylase [46]. This … sites generated by glycosylase excision. Oligonucleotides were …

DNA glycosylases define the outcome of endogenous base modifications

L Lirussi, HL Nilsen - International Journal of Molecular Sciences, 2023 - mdpi.com
… bases sensors for the base excision repair (BER) pathway. … , with a special focus on 5-hydroxymethyluracil,
can affect the … ), 5-formylcytosine (5-fC), and 5-carboxylcytosine (5-caC), all …

New DNA Repair and Demethylation Functions in Uracil DNA Glycosylase Superfamily

C Chang - 2023 - tigerprints.clemson.edu
DNA bases and initiate the base excision repair (BER) … Thymine DNA glycosylase (TDG),
which belongs to family 2 … DNA glycosylase UDGX to abasic DNA upon uracil excision. …

Oxidation Enhances Binding of Extrahelical 5-Methyl-Cytosines by Thymine DNA Glycosylase

F Beierlein, S Volkenandt, P Imhof - The Journal of Physical …, 2022 - ACS Publications
… In the first step of the base excision repair system, glycosylases such as human thymine
DNA glycosylase recognize a damaged or mispaired base and remove it via glycosidic C1′-N1 …

Screening of glycosylase activity on oxidative derivatives of methylcytosine: Pedobacter heparinus SMUG2 as a formylcytosine-and carboxylcytosine-DNA glycosylase

C Chang, Y Yang, J Li, SH Park, G Fang, C Liang… - DNA repair, 2022 - Elsevier
… , excision of fC or caC by thymine-DNA glycosylase (TDG), and subsequent base excision
The crystal structure of TDG in complex with substrate 5-carboxylcytosine (PDB ID 3uo7) and …

Reading targeted DNA damage in the active demethylation pathway: Role of accessory domains of eukaryotic AP endonucleases and thymine-DNA glycosylases

AV Popov, IR Grin, AP Dvornikova… - Journal of Molecular …, 2020 - Elsevier
thymine-DNA glycosylase (TDG) was initially discovered as an enzymatic activity excising
… T, U, 5-fluorouracil and 5-hydroxymethyluracil in a XpG context from duplex DNA [33,46,47]. …

Genomic uracil and aberrant profile of demethylation intermediates in epigenetics and hematologic malignancies

R Olinski, G Slupphaug, M Foksinski… - International Journal of …, 2021 - mdpi.com
… -DNA glycosylase TDG [20], and possibly UNG, by removing 5-carboxylcytosine from DNA
… also has a distinct function in the removal of 5-hydroxymethyluracil in vivo [10]. Furthermore, …

Substrate specificities of DNA glycosylases in vitro and in vivo

AV Endutkin, DO Zharkov - 2020 - books.rsc.org
domain, which can bind CpG with various epigenetic modifications. … 5-carboxylcytosine
(caCyt), or by deamination of the oxidized mCyt bases to the corresponding Ura series. Excision

[HTML][HTML] Cellular response to endogenous DNA damage: DNA base modifications in gene expression regulation

DL Bordin, L Lirussi, H Nilsen - DNA repair, 2021 - Elsevier
… , DNA glycosylases initiate repair by detecting and excising … converted by AID/APOBEC to
5-hydroxymethyluracil (5-hmU), … and JMJD2A (Jumonji domain containing 2A) generates an …