Search Results - "McDonald, John P"
-
1
Pathogen-encoded Rum DNA polymerase drives rapid bacterial drug resistance
Published in Nucleic acids research (16-10-2024)“…The acquisition of multidrug resistance by pathogenic bacteria is a potentially incipient pandemic. Horizontal transfer of DNA from mobile integrative…”
Get full text
Journal Article -
2
Removal of misincorporated ribonucleotides from prokaryotic genomes: an unexpected role for nucleotide excision repair
Published in PLoS genetics (01-11-2013)“…Stringent steric exclusion mechanisms limit the misincorporation of ribonucleotides by high-fidelity DNA polymerases into genomic DNA. In contrast,…”
Get full text
Journal Article -
3
DNA polymerase IV primarily operates outside of DNA replication forks in Escherichia coli
Published in PLoS genetics (19-01-2018)“…In Escherichia coli, damage to the chromosomal DNA induces the SOS response, setting in motion a series of different DNA repair and damage tolerance pathways…”
Get full text
Journal Article -
4
Regulation of Mutagenic DNA Polymerase V Activation in Space and Time
Published in PLoS genetics (01-08-2015)“…Spatial regulation is often encountered as a component of multi-tiered regulatory systems in eukaryotes, where processes are readily segregated by organelle…”
Get full text
Journal Article -
5
Single-molecule live-cell imaging reveals RecB-dependent function of DNA polymerase IV in double strand break repair
Published in Nucleic acids research (04-09-2020)“…Abstract Several functions have been proposed for the Escherichia coli DNA polymerase IV (pol IV). Although much research has focused on a potential role for…”
Get full text
Journal Article -
6
Integration of molecular modelling and in vitro studies to inhibit LexA proteolysis
Published in Frontiers in cellular and infection microbiology (03-03-2023)“…As antibiotic resistance has become more prevalent, the social and economic impacts are increasingly pressing. Indeed, bacteria have developed the SOS response…”
Get full text
Journal Article -
7
Critical amino acids in Escherichia coli UmuC responsible for sugar discrimination and base-substitution fidelity
Published in Nucleic acids research (01-07-2012)“…The active form of Escherichia coli DNA polymerase V responsible for damage-induced mutagenesis is a multiprotein complex (UmuD'(2)C-RecA-ATP), called pol V…”
Get full text
Journal Article -
8
Mechanisms employed by Escherichia coli to prevent ribonucleotide incorporation into genomic DNA by Pol V
Published in PLoS genetics (01-11-2012)“…Escherichia coli pol V (UmuD'(2)C), the main translesion DNA polymerase, ensures continued nascent strand extension when the cellular replicase is blocked by…”
Get full text
Journal Article -
9
Pressure Transducer Measurement Variability in Deep Wells Screened Across the Water Table
Published in Ground water (18-09-2024)“…Automated water level measurements collected using vented pressure transducers in deep wells screened across the water table may exhibit a greater response to…”
Get full text
Journal Article -
10
A strategy for the expression of recombinant proteins traditionally hard to purify
Published in Analytical biochemistry (15-10-2012)“…We have developed a series of plasmid vectors for the soluble expression and subsequent purification of recombinant proteins that have historically proven to…”
Get full text
Journal Article -
11
DNA polymerase switching: effects on spontaneous mutagenesis in Escherichia coli
Published in Molecular microbiology (01-01-2009)“…Escherichia coli possesses five known DNA polymerases (pols). Pol III holoenzyme is the cell's main replicase, while pol I is responsible for the maturation of…”
Get full text
Journal Article -
12
Identification and Characterization of Thermostable Y-Family DNA Polymerases η, ι, κ and Rev1 From a Lower Eukaryote, Thermomyces lanuginosus
Published in Frontiers in molecular biosciences (03-11-2021)“…Y-family DNA polymerases (pols) consist of six phylogenetically separate subfamilies; two UmuC (polV) branches, DinB (pol IV, Dpo4, polκ), Rad30A/POLH (polη),…”
Get full text
Journal Article -
13
Measuring a Low Horizontal Hydraulic Gradient in a High Transmissivity Aquifer
Published in Ground water (01-09-2021)“…High transmissivity aquifers typically have low hydraulic gradients (i.e., a flat water table). Measuring low gradients using water levels can be problematic…”
Get full text
Journal Article -
14
Escherichia coli UmuC active site mutants: Effects on translesion DNA synthesis, mutagenesis and cell survival
Published in DNA repair (01-09-2012)“…► “Steric gate” mutants of E. coli pol V have been characterized in vitro and in vivo. ► UmuC F10L mutant exhibits low UV-mutability because the enzyme…”
Get full text
Journal Article -
15
Corrigendum: Identification and Characterization of Thermostable Y-Family DNA Polymerases η, ι, κ and Rev1 From a Lower Eukaryote, Thermomyces lanuginosus
Published in Frontiers in molecular biosciences (15-12-2021)“…[This corrects the article DOI: 10.3389/fmolb.2021.778400.]…”
Get full text
Journal Article -
16
The Saccharomyces cerevisiae RAD30 gene, a homologue of Escherichia coli dinB and umuC, is DNA damage inducible and functions in a novel error-free postreplication repair mechanism
Published in Genetics (Austin) (01-12-1997)“…Damage-inducible mutagenesis in prokaryotes is largely dependent upon the activity of the UmuD'C-like proteins. Since many DNA repair processes are…”
Get full text
Journal Article -
17
CroSR391, an ortholog of the λ Cro repressor, plays a major role in suppressing polVR391‐dependent mutagenesis
Published in Molecular microbiology (01-09-2021)“…When subcloned into low‐copy‐number expression vectors, rumAB, encoding polVR391 (RumA′2B), is best characterized as a potent mutator giving rise to high…”
Get full text
Journal Article -
18
Insights into the complex levels of regulation imposed on Escherichia coli DNA polymerase V
Published in DNA repair (01-08-2016)“…It is now close to 40 years since the isolation of non-mutable umu/uvm strains of Escherichia coli and the realization that damage induced mutagenesis in…”
Get full text
Journal Article -
19
CroS R391 , an ortholog of the λ Cro repressor, plays a major role in suppressing polV R391 -dependent mutagenesis
Published in Molecular microbiology (01-09-2021)“…When subcloned into low-copy-number expression vectors, rumAB, encoding polV (RumA' B), is best characterized as a potent mutator giving rise to high levels of…”
Get full text
Journal Article -
20
The effect of entrepreneurial marketing on outcome goals in SMEs
Published in New England journal of entrepreneurship (01-03-2012)“…This study examines how entrepreneurial marketing dimensions (proactiveness, opportunity focused, leveraging, innovativeness, risk taking, value creation, and…”
Get full text
Journal Article