Target specificity of mammalian DNA methylation and demethylation machinery

M Ravichandran, RZ Jurkowska… - Organic & biomolecular …, 2018 - pubs.rsc.org
DNA methylation is an essential epigenetic modification for mammalian embryonic
development and biology. The DNA methylation pattern across the genome, together with …

Readers of DNA methylation, the MBD family as potential therapeutic targets

GD Ginder, DC Williams Jr - Pharmacology & Therapeutics, 2018 - Elsevier
DNA methylation represents a fundamental epigenetic modification that regulates chromatin
architecture and gene transcription. Many diseases, including cancer, show aberrant …

Base-flipping dynamics from an intrahelical to an extrahelical state exerted by thymine DNA glycosylase during DNA repair process

LT Da, J Yu - Nucleic acids research, 2018 - academic.oup.com
Thymine DNA glycosylase (TDG) is a DNA repair enzyme that excises a variety of
mismatched or damaged nucleotides (nts), eg dU, dT, 5fC and 5caC. TDG is shown to play …

Epigenetic modifications of cytosine: biophysical properties, regulation, and function in mammalian DNA

JS Hardwick, AN Lane, T Brown - BioEssays, 2018 - Wiley Online Library
To decode the function and molecular recognition of several recently discovered cytosine
derivatives in the human genome–5‐hydroxymethylcytosine, 5‐formylcytosine, and 5 …

5-Hydroxymethylcytosine (5hmC), or how to identify your favorite cell

S Ecsedi, JR Rodríguez-Aguilera… - Epigenomes, 2018 - mdpi.com
Recently described as the sixth base of the DNA macromolecule, the precise role of 5-
hydroxymethylcytosine (5hmC) is the subject of debate. Early studies indicate that it is …

Dynamics of the excised base release in thymine DNA glycosylase during DNA repair process

LT Da, Y Shi, G Ning, J Yu - Nucleic acids research, 2018 - academic.oup.com
Thymine DNA glycosylase (TDG) initiates base excision repair by cleaving the N-glycosidic
bond between the sugar and target base. After catalysis, the release of excised base is a …

UNG-1 and APN-1 are the major enzymes to efficiently repair 5-hydroxymethyluracil DNA lesions in C. elegans

A Papaluca, JR Wagner, HU Saragovi, D Ramotar - Scientific Reports, 2018 - nature.com
In Caenorhabditis elegans, two DNA glycosylases, UNG-1 and NTH-1, and two AP
endonucleases, APN-1 and EXO-3, have been characterized from the base-excision repair …

Interactions of the DNA repair enzyme human thymine DNA glycosylase with cognate and noncognate DNA

N Kanaan, P Imhof - Biochemistry, 2018 - ACS Publications
Glycosylases specifically recognize and flip their target base out of the DNA helix into the
enzyme's active site. Our simulations show that a partially flipped state, already present in …

Regulation of the DNA methylome in models of alcohol use disorders

CT Tulisiak - 2018 - repositories.lib.utexas.edu
Alcohol use disorder (AUD) is a highly prevalent and pernicious substance use disorder that
is characterized by widespread changes to gene expression that may drive maladaptive …

Synthesis of 2'-fluorinated-2'-deoxycytidine derivatives to investigate a direct DNA demethylation pathway in stem cells

E Ponkkonen - 2018 - jyx.jyu.fi
This master's thesis is divided into a literature review and an experimental part. The
literature review starts with an introduction of nucleic acids and epigenetics, covering both …