Warning: Your browser doesn't support all of the features in this Web site. Please view our accessibility page for more details.
Click here to see PubMed abstracts
...or view citations in Google Scholar
Feehily C,
O'Byrne CP, Karatzas KA. (2013)
Listeria monocytogenes has a functional gamma-aminobutyrate (GABA) shunt: Role in acid tolerance and succinate biosynthesis. Appl Environ Microbiol. 79 (1):74-80.
Utratna M, Cosgrave E, Baustian C, Ceredig R, O'Byrne C. (2012) Development and optimization of an EGFP-based reporter for measuring the general stress response in Listeria monocytogenes. Bioeng Bugs. Mar 1;3(2). [Epub ahead of print]
Karatzas KA, Suur L, O'Byrne CP. (2012) Characterization of the intracellular glutamate decarboxylase system: analysis of Its function, transcription, and role in the acid resistance of various strains of Listeria monocytogenes. Appl Environ Microbiol. 78(10):3571-9.
Heavin, S., & C.P. O’Byrne (2012) Post-genomic insights into the regulation of transcription in the facultative intracelluar pathogen Listeria monocytogenes. In: Wong, E. Stress Responses in Foodborne Microorganisms. USA, 210-225. ISBN 978-1-61122-810-6.
Madeo M, O'Riordan N, Fuchs TM, Utratna M, Karatzas KA, O'Byrne CP. (2012) Thiamine plays a critical role in the acid tolerance of Listeria monocytogenes. FEMS Microbiol Lett. 326(2):137-43.
Utratna M, Shaw I, Starr E, O'Byrne CP. (2011) Rapid, transient and proportional activation of sigmaB in response to osmotic stress in Listeria monocytogenes. Appl Environ Microbiol. 77(21):7841-5.
Lane MM, Burke N, Karreman R, Wolfe KH,
O'Byrne CP, Morrissey JP.Physiological and metabolic diversity in the yeast
Kluyveromyces marxianus.(2011) Antonie Van Leeuwenhoek. 100(4):507-19.
O'Byrne CP, Feehily C, Ham R, Karatzas KA. (2011) A modified rapid enzymatic microtiter plate assay for the quantification of intracellular gamma-aminobutyric acid and succinate semialdehyde in bacterial cells. J Microbiol Methods. 84(1):137-9.
O'Byrne C, Utratna M. (2010) Listeria monocytogenes: at the coalface of host-pathogen research. Bioeng Bugs.1(6):371-7.
Matlawska-Wasowska K, Finn R, Mustel A,
O'Byrne CP, Baird AW, Coffey ET, Boyd A. (2010) The
Vibrio parahaemolyticus Type III Secretion Systems manipulate host cell MAPK for critical steps in pathogenesis. BMC Microbiol. 10:329.
Karatzas KA, Brennan O, Heavin S, Morrissey J,
O'Byrne CP. (2010) Intracellular accumulation of high levels of gamma-aminobutyrate by
Listeria monocytogenes 10403S in response to low pH: uncoupling of gamma-aminobutyrate synthesis from efflux in a chemically defined medium. Appl Environ Microbiol. 76(11):3529-37.
Louis, P, and C. P. O'Byrne. (2010) Life in the gut: Microbial responses to stress in the gastrointestinal tract. Science Progress. 93:7-36
Heavin, S.B., Brennan,O.M., Morrissey,J.P., and C.P. O'Byrne (2009) Inhibition of Listeria monocytogenes by acetate, benzoate and sorbate: weak acid tolerance is not influenced by the glutamate decarboxylase system. Letters in Applied Microbiology. 49:179-185.
Cunningham, E., O’Byrne, C.P., and J.D. Oliver (2009) Effect of weak acids on Listeria monocytogenes survival: Evidence for a viable but nonculturable state in response to low pH. Food Control. 20:1141-1144.
O'Byrne CP, Karatzas KA. (2008) The role of sigma B (sigma B) in the stress adaptations of Listeria monocytogenes: overlaps between stress adaptation and virulence. Adv Appl Microbiol. 65:115-40.
Abram F, Starr E, Karatzas KA, Matlawska-Wasowska K, Boyd A, Wiedmann M, Boor KJ, Connally D, O'Byrne CP. (2008) Identification of components of the sigma B regulon in Listeria monocytogenes that contribute to acid and salt tolerance. Appl Environ Microbiol. 74(22):6848-6858.
Abram F, Su WL, Wiedmann M, Boor KJ, Coote P, Botting C, Karatzas KA, O'Byrne CP. (2008) Proteomic analyses of a Listeria monocytogenes mutant lacking sigma B identify new components of the sigmaB regulon and highlight a role for sigma B in the utilization of glycerol. Appl. Environ. Micro. 74:594-604.
Fraser KR, Tuite NL, Bhagwat A,
O'Byrne C.P. (2006) Global effects of homocysteine on transcription in
Escherichia coli: induction of the gene for the major cold-shock protein, CspA. Microbiology. 152(Pt 8):2221-31.
Tuite, NL, Fraser, KR, and
O'Byrne, CP. (2005) Homocysteine toxicity in
Escherichia coli is caused by a perturbation of branched-chain amino acid biosynthesis. J. Bacteriol. 187(13):4362-4371.
Hirshfield IN, Terzulli S,
O'Byrne C. (2003) Weak organic acids: a panoply of effects on bacteria. Sci Prog. 86(4):245-69.
Fraser KR, Sue D, Wiedmann M, Boor K, and
O’Byrne CP. (2003) The role of sigma B (sB) in regulating the compatible solute uptake systems of
Listeria monocytogenes: Osmotic induction of
opuC is sB-dependent. Appl Environ Microbiol. 69(4):2015-2022.
Ferreira A, Sue D,
O’Byrne CP, Boor KJ. (2003). sB contributions to survival of lethal acidic conditions and to the acquired acid tolerance response are influenced by growth phase in
Listeria monocytogenes. Appl Environ Microbiol. 69(5):2692-2698.
Birch RM,
O’Byrne C, Booth IR, Cash P. (2003) Enrichment of
E. coli proteins by column chromatography on reactive dye columns. Proteomics 3(5):764-776.
Booth IR, Cash P,
O'Byrne C. (2002) Sensing and adapting to acid stress. Antonie Van Leeuwenhoek. 81(1-4):33-42.
Kinghorn SM,
O'Byrne CP, Booth IR, Stansfield I. (2002) Physiological analysis of the role of truB in
Escherichia coli: a role for tRNA modification in extreme temperature resistance. Microbiology. 148(11):3511-20.
Roe AJ,
O'Byrne C, McLaggan D, Booth IR. (2002) Inhibition of
Escherichia coli growth by acetic acid: a problem with methionine biosynthesis and homocysteine toxicity. Microbiology. 148(7):2215-22.
Fraser KR,
O'Byrne CP. (2002) Osmoprotection by carnitine in a
Listeria monocytogenes mutant lacking the OpuC transporter: evidence for a low affinity carnitine uptake system. FEMS Microbiol Lett. 211(2):189-94.
O'Byrne CP, Booth IR. (2002) Osmoregulation and its importance to food-borne microorganisms. Int J Food Microbiol. 74(3):203-16.
Ferreira A,
O'Byrne CP, Boor KJ. (2001) Role of sigma(B) in heat, ethanol, acid, and oxidative stress resistance and during carbon starvation in
Listeria monocytogenes. Appl Environ Microbiol. 67(10):4454-7.
O’Byrne CP, and Fraser KR. (2000) Molecular strategies for osmoregulation in the human food-borne pathogen
Listeria monocytogenes. Recent Research Developments in Microbiology. 4: 617-629.
Fraser KR, Harvie D, Coote PJ,
O'Byrne CP. (2000) Identification and characterization of an ATP binding cassette L-carnitine transporter in
Listeria monocytogenes. Appl Environ Microbiol. 66(11):4696-704.
Roe AJ, McLaggan D,
O'Byrne CP, Booth IR. (2000) Rapid inactivation of the
Escherichia coli Kdp K uptake system by high potassium concentrations. Mol Microbiol. 35(5):1235-43.
Jordan KN, Oxford L,
O'Byrne CP. (1999) Survival of low-pH stress by
Escherichia coli O157:H7: correlation between alterations in the cell envelope and increased acid tolerance. Appl Environ Microbiol. 65(7):3048-55.
Humphrey TJ, Williams A, McAlpine K, Jorgensen F,
O'Byrne C. (1998) Pathogenicity in isolates of
Salmonella enterica serotype Enteritidis PT4 which differ in RpoS expression: effects of growth phase and low temperature. Epidemiol Infect. 121(2):295-301.
Roe AJ, McLaggan D, Davidson I,
O'Byrne C, Booth IR. (1998) Perturbation of anion balance during inhibition of growth of
Escherichia coli by weak acids. J Bacteriol. 180(4):767-72.
Davis MJ, Coote PJ,
O'Byrne CP. (1996) Acid tolerance in
Listeria monocytogenes: the adaptive acid tolerance response (ATR) and growth-phase-dependent acid resistance. Microbiology. 142 (10):2975-82.
O'Byrne CP, Dorman CJ. (1994) Transcription of the
Salmonella typhimurium spv virulence locus is regulated negatively by the nucleoid-associated protein H-NS. FEMS Microbiol Lett. 121(1):99-105.
O'Byrne CP, Dorman CJ. (1994) The spv virulence operon of
Salmonella typhimurium LT2 is regulated negatively by the cyclic AMP (cAMP)-cAMP receptor protein system. J Bacteriol. 176(3):905-12.
O'Byrne CP, Ni Bhriain N, Dorman CJ. (1992) The DNA supercoiling-sensitive expression of the
Salmonella typhimurium his operon requires the his attenuator and is modulated by anaerobiosis and by osmolarity. Mol Microbiol. 6(17):2467-76.
Back to top of page
