Results 21 to 30 of about 3,282,036 (289)

Bacteriophage PRD1 DNA polymerase: evolution of DNA polymerases. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1987
A small lipid-containing bacteriophage PRD1 specifies its own DNA polymerase that utilizes terminal protein as a primer for DNA synthesis. The PRD1 DNA polymerase gene has been sequenced, and its amino acid sequence has been deduced. This protein-primed DNA polymerase consists of 553 amino acid residues with a calculated molecular weight of 63,300 ...
Guhung Jung   +3 more
openaire   +3 more sources

Analysis of nucleotide insertion opposite urea and translesion synthesis across urea by DNA polymerases

open access: yesGenes and Environment, 2022
Urea (Ua) is produced in DNA as the result of oxidative damage to thymine and guanine. It was previously reported that Klenow fragment (Kf) exo− incorporated dATP opposite Ua, and that DNA polymerase β was blocked by Ua.
Taishu Kawada   +8 more
doaj   +1 more source

Cyclocytidine hydrochloride inhibits the synthesis of relaxed circular DNA of hepatitis B virus [PDF]

open access: yesPeerJ, 2022
Background Cyclocytidine hydrochloride (HCl) has been reported to inhibit DNA synthesis by affecting DNA polymerase. Here, we tested the antiviral effect of cyclocytidine on hepatitis B virus (HBV) DNA synthesis, which is reliant on DNA polymerase ...
Xue Wang   +7 more
doaj   +2 more sources

Mismatch repair in recombination of bacteriophage T4

open access: yesBiomolecular Concepts, 2012
The review focuses on the mechanism of mismatch repair in bacteriophage T4. It was first observed in T4 as an extra recombination mechanism, which contributed to the general recombination only when particular rII mutations were used as genetic markers ...
Shcherbakov Victor P.
doaj   +1 more source

DNA polymerases and cancer [PDF]

open access: yesNature Reviews Cancer, 2011
There are 15 different DNA polymerases encoded in mammalian genomes, which are specialized for replication, repair or the tolerance of DNA damage. New evidence is emerging for lesion-specific and tissue-specific functions of DNA polymerases. Many point mutations that occur in cancer cells arise from the error-generating activities of DNA polymerases ...
Sabine S. Lange   +2 more
openaire   +3 more sources

Human DNA polymerase θ grasps the primer terminus to mediate DNA repair

open access: yesNature Structural &Molecular Biology, 2015
DNA polymerase θ protects against genomic instability via an alternative end-joining repair pathway for DNA double-strand breaks. Polymerase θ is overexpressed in breast, lung and oral cancers, and reduction of its activity in mammalian cells increases ...
K. Zahn   +4 more
semanticscholar   +1 more source

Promutagenicity of 8-Chloroguanine, A Major Inflammation-Induced Halogenated DNA Lesion

open access: yesMolecules, 2019
Chronic inflammation is closely associated with cancer development. One possible mechanism for inflammation-induced carcinogenesis is DNA damage caused by reactive halogen species, such as hypochlorous acid, which is released by myeloperoxidase to kill ...
Yi Kou, Myong-Chul Koag, Seongmin Lee
doaj   +1 more source

DNA Polymerase e - More Than a Polymerase

open access: yesThe Scientific World Journal, 2003
This paper presents a comprehensive review of the structure and function of DNA polymerase e. Together with DNA polymerases a and d, this enzyme replicates the nuclear DNA in the eukaryotic cell.
Helmut Pospiech, Juhani E. Syväoja
doaj   +1 more source

A nuclear family A DNA polymerase from Entamoeba histolytica bypasses thymine glycol. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2010
BACKGROUND: Eukaryotic family A DNA polymerases are involved in mitochondrial DNA replication or translesion DNA synthesis. Here, we present evidence that the sole family A DNA polymerase from the parasite protozoan E.
Guillermo Pastor-Palacios   +2 more
doaj   +1 more source

DNA Polymerase Profiling [PDF]

open access: yes, 2008
We report a simple homogeneous fluorescence assay for quantification of DNA polymerase function in high throughput. The fluorescence signal is generated by the DNA polymerase triggering opening of a molecular beacon extension of the template strand. A resulting distance alteration is reported by fluorescence resonance energy transfer between two dyes ...
openaire   +3 more sources

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