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Items: 34

1.

Supplemental Vitamin B-12 Enhances the Neural Response to Sensory Stimulation in the Barrel Cortex of Healthy Rats but Does Not Affect Spontaneous Neural Activity.

Kang S, Hayashi Y, Bruyns-Haylett M, Baker DH, Boura M, Wang X, Karatzas KA, Serra I, Bithell A, Williams C, Field DT, Zheng Y.

J Nutr. 2019 May 1;149(5):730-737. doi: 10.1093/jn/nxz011.

PMID:
31006816
2.

Restructuring of Lipid Membranes by an Arginine-Capped Peptide Bolaamphiphile.

Castelletto V, Barnes RH, Karatzas KA, Edwards-Gayle CJC, Greco F, Hamley IW, Seitsonen J, Ruokolainen J.

Langmuir. 2019 Feb 5;35(5):1302-1311. doi: 10.1021/acs.langmuir.8b01014. Epub 2018 Aug 13.

PMID:
30056711
3.

Study on the effect of citric acid adaptation toward the subsequent survival of Lactobacillus plantarum NCIMB 8826 in low pH fruit juices during refrigerated storage.

Srisukchayakul P, Charalampopoulos D, Karatzas KA.

Food Res Int. 2018 Sep;111:198-204. doi: 10.1016/j.foodres.2018.05.018. Epub 2018 May 9.

PMID:
30007676
4.

Arginine-Containing Surfactant-Like Peptides: Interaction with Lipid Membranes and Antimicrobial Activity.

Castelletto V, Barnes RH, Karatzas KA, Edwards-Gayle CJC, Greco F, Hamley IW, Rambo R, Seitsonen J, Ruokolainen J.

Biomacromolecules. 2018 Jul 9;19(7):2782-2794. doi: 10.1021/acs.biomac.8b00391. Epub 2018 May 16.

PMID:
29738229
5.

High Phenotypic Variability among Representative Strains of Common Salmonella enterica Serovars with Possible Implications for Food Safety.

Abdullah WZW, Mackey BM, Karatzas KAG.

J Food Prot. 2018 Jan;81(1):93-104. doi: 10.4315/0362-028X.JFP-17-190.

PMID:
29271685
6.
7.

Ultrasound processing of liquid system(s) and its antimicrobial mechanism of action.

Spiteri D, Chot-Plassot C, Sclear J, Karatzas KA, Scerri C, Valdramidis VP.

Lett Appl Microbiol. 2017 Oct;65(4):313-318. doi: 10.1111/lam.12776. Epub 2017 Aug 25.

PMID:
28727911
8.

Bioactive Natural Products 2016.

Kourkoutas Y, Chorianopoulos N, Karatzas KA, Banat IM.

Biomed Res Int. 2016;2016:9749305. Epub 2016 Sep 29. No abstract available.

9.

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

Boura M, Keating C, Royet K, Paudyal R, O'Donoghue B, O'Byrne CP, Karatzas KAG.

Appl Environ Microbiol. 2016 Jul 15;82(15):4584-4591. doi: 10.1128/AEM.00709-16. Print 2016 Aug 1.

10.

Application of Innovative Technologies for Improved Food Quality and Safety.

Kourkoutas Y, Chorianopoulos N, Nisiotou A, Valdramidis VP, Karatzas KA.

Biomed Res Int. 2016;2016:9160375. doi: 10.1155/2016/9160375. Epub 2016 Jan 4. No abstract available.

11.

Bioactive natural products: facts, applications, and challenges.

Kourkoutas Y, Karatzas KA, Valdramidis VP, Chorianopoulos N.

Biomed Res Int. 2015;2015:684109. doi: 10.1155/2015/684109. Epub 2015 Apr 15. No abstract available.

12.

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.

Feehily C, Finnerty A, Casey PG, Hill C, Gahan CG, O'Byrne CP, Karatzas KA.

PLoS One. 2014 Nov 11;9(11):e112649. doi: 10.1371/journal.pone.0112649. eCollection 2014.

13.

Selection of potential probiotic lactic acid bacteria from fermented olives by in vitro tests.

Argyri AA, Zoumpopoulou G, Karatzas KA, Tsakalidou E, Nychas GJ, Panagou EZ, Tassou CC.

Food Microbiol. 2013 Apr;33(2):282-91. doi: 10.1016/j.fm.2012.10.005. Epub 2012 Oct 31.

PMID:
23200662
14.

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

Feehily C, O'Byrne CP, Karatzas KA.

Appl Environ Microbiol. 2013 Jan;79(1):74-80. doi: 10.1128/AEM.02184-12. Epub 2012 Oct 12.

15.

The effect of pH control and 'hydraulic flush' on hydrolysis and Volatile Fatty Acids (VFA) production and profile in anaerobic leach bed reactors digesting a high solids content substrate.

Cysneiros D, Banks CJ, Heaven S, Karatzas KA.

Bioresour Technol. 2012 Nov;123:263-71. doi: 10.1016/j.biortech.2012.06.060. Epub 2012 Jun 30.

PMID:
22940328
16.

Role of glutamate metabolism in bacterial responses towards acid and other stresses.

Feehily C, Karatzas KA.

J Appl Microbiol. 2013 Jan;114(1):11-24. doi: 10.1111/j.1365-2672.2012.05434.x. Epub 2012 Sep 27. Review.

17.
18.

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

Madeo M, O'Riordan N, Fuchs TM, Utratna M, Karatzas KA, O'Byrne CP.

FEMS Microbiol Lett. 2012 Jan;326(2):137-43. doi: 10.1111/j.1574-6968.2011.02442.x. Epub 2011 Nov 14.

19.

The role of phase separation and feed cycle length in leach beds coupled to methanogenic reactors for digestion of a solid substrate (Part 1): Optimisation of reactors' performance.

Cysneiros D, Banks CJ, Heaven S, Karatzas KA.

Bioresour Technol. 2012 Jan;103(1):56-63. doi: 10.1016/j.biortech.2011.09.094. Epub 2011 Oct 2.

PMID:
22018751
20.

The role of phase separation and feed cycle length in leach beds coupled to methanogenic reactors for digestion of a solid substrate (Part 2): Hydrolysis, acidification and methanogenesis in a two-phase system.

Cysneiros D, Banks CJ, Heaven S, Karatzas KA.

Bioresour Technol. 2011 Aug;102(16):7393-400. doi: 10.1016/j.biortech.2011.05.042. Epub 2011 May 26.

PMID:
21665466
21.

Assessing the microbial oxidative stress mechanism of ozone treatment through the responses of Escherichia coli mutants.

Patil S, Valdramidis VP, Karatzas KA, Cullen PJ, Bourke P.

J Appl Microbiol. 2011 Jul;111(1):136-44. doi: 10.1111/j.1365-2672.2011.05021.x. Epub 2011 May 13.

22.

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

O'Byrne CP, Feehily C, Ham R, Karatzas KA.

J Microbiol Methods. 2011 Jan;84(1):137-9. doi: 10.1016/j.mimet.2010.10.017. Epub 2010 Oct 31.

PMID:
21044648
23.

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.

Karatzas KA, Brennan O, Heavin S, Morrissey J, O'Byrne CP.

Appl Environ Microbiol. 2010 Jun;76(11):3529-37. doi: 10.1128/AEM.03063-09. Epub 2010 Apr 16.

24.

Effects of repeated cycles of acid challenge and growth on the phenotype and virulence of Salmonella enterica.

Karatzas KA, Hocking PM, Jørgensen F, Mattick K, Leach S, Humphrey TJ.

J Appl Microbiol. 2008 Nov;105(5):1640-8. doi: 10.1111/j.1365-2672.2008.03909.x.

25.

The role of sigma B (sigma B) in the stress adaptations of Listeria monocytogenes: overlaps between stress adaptation and virulence.

O'Byrne CP, Karatzas KA.

Adv Appl Microbiol. 2008;65:115-40. doi: 10.1016/S0065-2164(08)00605-9. Review. No abstract available.

PMID:
19026864
26.

Identification of components of the sigma B regulon in Listeria monocytogenes that contribute to acid and salt tolerance.

Abram F, Starr E, Karatzas KA, Matlawska-Wasowska K, Boyd A, Wiedmann M, Boor KJ, Connally D, O'Byrne CP.

Appl Environ Microbiol. 2008 Nov;74(22):6848-58. doi: 10.1128/AEM.00442-08. Epub 2008 Sep 19.

27.

Phenotypic and proteomic characterization of multiply antibiotic-resistant variants of Salmonella enterica serovar Typhimurium selected following exposure to disinfectants.

Karatzas KA, Randall LP, Webber M, Piddock LJ, Humphrey TJ, Woodward MJ, Coldham NG.

Appl Environ Microbiol. 2008 Mar;74(5):1508-16. Epub 2007 Dec 14.

28.

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.

Abram F, Su WL, Wiedmann M, Boor KJ, Coote P, Botting C, Karatzas KA, O'Byrne CP.

Appl Environ Microbiol. 2008 Feb;74(3):594-604. Epub 2007 Dec 7.

29.

Fitness and dissemination of disinfectant-selected multiple-antibiotic-resistant (MAR) strains of Salmonella enterica serovar Typhimurium in chickens.

Randall LP, Bagnall MC, Karatzas KA, Coldham NC, Piddock LJ, Woodward MJ.

J Antimicrob Chemother. 2008 Jan;61(1):156-62. Epub 2007 Nov 12.

PMID:
17999979
30.

Prolonged treatment of Salmonella enterica serovar Typhimurium with commercial disinfectants selects for multiple antibiotic resistance, increased efflux and reduced invasiveness.

Karatzas KA, Webber MA, Jorgensen F, Woodward MJ, Piddock LJ, Humphrey TJ.

J Antimicrob Chemother. 2007 Nov;60(5):947-55. Epub 2007 Sep 13.

PMID:
17855722
31.

Piezotolerant small-colony variants with increased thermotolerance, antibiotic susceptibility, and low invasiveness in a clonal Staphylococcus aureus population.

Karatzas KA, Zervos A, Tassou CC, Mallidis CG, Humphrey TJ.

Appl Environ Microbiol. 2007 Mar;73(6):1873-81. Epub 2007 Jan 26.

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