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List of works by Conor O'byrne

A 3-year multi-food study of the presence and persistence of Listeria monocytogenes in 54 small food businesses in Ireland.

scientific article published on 21 February 2017

A modified rapid enzymatic microtiter plate assay for the quantification of intracellular γ-aminobutyric acid and succinate semialdehyde in bacterial cells

scientific article published on 31 October 2010

Absence of Curli in Soil-Persistent Escherichia coli Is Mediated by a C-di-GMP Signaling Defect and Suggests Evidence of Biofilm-Independent Niche Specialization.

scientific article

Acid stress signals are integrated into the σB-dependent general stress response pathway via the stressosome in the food-borne pathogen Listeria monocytogenes

scientific article published in 2022

Blue-Light Inhibition of Listeria monocytogenes Growth Is Mediated by Reactive Oxygen Species and Is Influenced by σB and the Blue-Light Sensor Lmo0799.

scientific article

Characterization of the intracellular glutamate decarboxylase system: analysis of its function, transcription, and role in the acid resistance of various strains of Listeria monocytogenes.

scientific article

Comparative Review of the Responses of Listeria monocytogenes and Escherichia coli to Low pH Stress

scientific article published on 11 November 2020

Divergent evolution of the activity and regulation of the glutamate decarboxylase systems in Listeria monocytogenes EGD-e and 10403S: roles in virulence and acid tolerance

scientific article

Effects of growth phase and temperature on σB activity within a Listeria monocytogenes population: evidence for RsbV-independent activation of σB at refrigeration temperatures

scientific article published on 05 March 2014

Enrichment of Escherichia coli proteins by column chromatography on reactive dye columns

scientific article published in May 2003

Flick of a switch: regulatory mechanisms allowing Listeria monocytogenes to transition from a saprophyte to a killer

scientific article published on 20 May 2019

Functional γ-Aminobutyrate Shunt in Listeria monocytogenes: role in acid tolerance and succinate biosynthesis

scientific article published on 12 October 2012

Genomic Differences between Listeria monocytogenes EGDe Isolates Reveal Crucial Roles for SigB and Wall Rhamnosylation in Biofilm Formation

scientific article published on 11 March 2020

Global effects of homocysteine on transcription in Escherichia coli: induction of the gene for the major cold-shock protein, CspA.

scientific article

Homocysteine toxicity in Escherichia coli is caused by a perturbation of branched-chain amino acid biosynthesis

scientific article

Inhibition of Listeria monocytogenes by acetate, benzoate and sorbate: weak acid tolerance is not influenced by the glutamate decarboxylase system.

scientific article published on 29 April 2009

Listeria monocytogenes Requires the RsbX Protein To Prevent SigB Activation under Nonstressed Conditions

scientific article published on 25 October 2021

Loss of SigB in Listeria monocytogenes Strains EGD-e and 10403S Confers Hyperresistance to Hydrogen Peroxide in Stationary Phase under Aerobic Conditions

scientific article published on 20 May 2016

Mild stress conditions during laboratory culture promote the proliferation of mutations that negatively affect Sigma B activity in Listeria monocytogenes

scientific article published on 24 February 2020

Osmoregulation and its importance to food-borne microorganisms.

scientific article

Pathogenicity in isolates of Salmonella enterica serotype Enteritidis PT4 which differ in RpoS expression: effects of growth phase and low temperature

scientific article published in October 1998

Phylogenetic and Phenotypic Analyses of a Collection of Food and Clinical Listeria monocytogenes Isolates Reveal Loss of Function of Sigma B from Several Clonal Complexes

scientific article published in 2022

Physiological and metabolic diversity in the yeast Kluyveromyces marxianus

scientific article

Proteomic analyses of a Listeria monocytogenes mutant lacking sigmaB identify new components of the sigmaB regulon and highlight a role for sigmaB in the utilization of glycerol.

scientific article

Rapid inactivation of the Escherichia coli Kdp K+ uptake system by high potassium concentrations

scientific article published on 01 March 2000

Role and regulation of the stress activated sigma factor sigma B (σB) in the saprophytic and host-associated life stages of Listeria monocytogenes

scientific article published on 24 December 2018

Role of Listeria monocytogenes σ B in Survival of Lethal Acidic Conditions and in the Acquired Acid Tolerance Response ⬇️

scientific article published on May 1, 2003

Role of sigmaB in regulating the compatible solute uptake systems of Listeria monocytogenes: osmotic induction of opuC is sigmaB dependent

scientific article

Roles for RpoS in survival of Escherichia coli during protozoan predation and in reduced moisture conditions highlight its importance in soil environments.

scientific article

Solar irradiance limits the long term survival of Listeria monocytogenes in seawater.

scientific article published on 27 December 2017

The General Stress Response Is Conserved in Long-Term Soil-Persistent Strains of Escherichia coli

scientific article

The Role of Stress and Stress Adaptations in Determining the Fate of the Bacterial Pathogen Listeria monocytogenes in the Food Chain

scientific article

The Vibrio parahaemolyticus Type III Secretion Systems manipulate host cell MAPK for critical steps in pathogenesis

scientific article

The σB-dependent regulatory sRNA Rli47 represses isoleucine biosynthesis in Listeria monocytogenes through a direct interaction with the ilvA transcript

scientific article published on 26 June 2019

Thiamine plays a critical role in the acid tolerance of Listeria monocytogenes

scientific article published on 14 November 2011

Visible and UVA light as a potential means of preventing Escherichia coli biofilm formation in urine and on materials used in urethral catheters.

scientific article

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