In vitro replication and repair of DNA containing a C2 '-oxidized abasic site

MM Greenberg, YN Weledji, KM Kroeger, J Kim - Biochemistry, 2004 - ACS Publications
Abasic lesions are unable to form Watson− Crick hydrogen bonds with nucleotides.
Nonetheless, polymerase and repair enzymes distinguish between various oxidized abasic …

Reactivity of the C2 '-oxidized abasic lesion and its relevance to interactions with type I base excision repair enzymes

MM Greenberg, CR Kreller, SE Young… - Chemical research in …, 2006 - ACS Publications
The C2 '-oxidized abasic lesion (C2-AP) is produced in DNA that is subjected to oxidative
stress. C2-AP is incised by phosphodiesterases, but is not a substrate for endonuclease III …

Long patch base excision repair compensates for DNA polymerase β inactivation by the C4′-oxidized abasic site

AC Jacobs, CR Kreller, MM Greenberg - Biochemistry, 2011 - ACS Publications
The C4′-oxidized abasic site (C4-AP), which is produced by a variety of damaging agents,
has significant consequences for DNA. The lesion is highly mutagenic and reactive …

In vitro effects of a C4 '-oxidized abasic site on DNA polymerases

MM Greenberg, YN Weledji, KM Kroeger, J Kim… - Biochemistry, 2004 - ACS Publications
Oxidative damage to DNA produces abasic sites resulting from the formal hydrolysis of the
nucleotides' glycosidic bonds, along with a variety of oxidized abasic sites. The C4 '-oxidized …

Excision of a lyase-resistant oxidized abasic lesion from DNA

RS Wong, JT Sczepanski… - Chemical research in …, 2010 - ACS Publications
The C2′-oxidized abasic lesion (C2-AP) is produced in DNA that is subjected to oxidative
stress. The lesion disrupts replication and gives rise to mutations that are dependent upon …

Repair of oxidized abasic sites by exonuclease III, endonuclease IV, and endonuclease III

MM Greenberg, YN Weledji, J Kim, BC Bales - Biochemistry, 2004 - ACS Publications
2-Deoxyribonolactone (L) and the C4 '-oxidized abasic site (C4-AP) are produced by a
variety of DNA-damaging agents. If not repaired, these lesions can be mutagenic …

Recognition of oxidized abasic sites by repair endonucleases

M Häring, H Rüdiger, B Demple, S Boiteux… - Nucleic acids …, 1994 - academic.oup.com
The recognition of 'regular'and 'oxidized'sites of base loss (AP sites) in DNA by various AP
endonucleases was compared. Model substrates with regular AP sites (resulting from mere …

Repair of a synthetic abasic site involves concerted reactions of DNA synthesis followed by excision and ligation

Y Matsumoto, DF Bogenhagen - Molecular and cellular biology, 1991 - Taylor & Francis
A synthetic analog of an abasic site in DNA is efficiently repaired by a short-patch repair
mechanism in soluble extracts of Xenopus laevis oocytes (Y. Matsumoto and DF …

Probing DNA interstrand cross-link formation by an oxidized abasic site using nonnative nucleotides

JT Sczepanski, CN Hiemstra, MM Greenberg - Bioorganic & medicinal …, 2011 - Elsevier
The C4′-oxidized abasic site (C4-AP) forms two types of interstrand cross-links with the
adjacent nucleotides in DNA. Previous experiments revealed that dG does not react with the …

Preparation and analysis of Oligonucleotides containing the C4 '-oxidized abasic site and related mechanistic probes

J Kim, CR Kreller, MM Greenberg - The Journal of organic …, 2005 - ACS Publications
The C4 '-oxidized abasic site (C4-AP) is produced by a variety of DNA damaging agents.
This alkali labile lesion can exist in up to four diastereomeric cyclic forms, in addition to the …