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Items: 1 to 20 of 108

1.

Regulation of RamA by RamR in Salmonella enterica serovar Typhimurium: isolation of a RamR superrepressor.

Ricci V, Busby SJ, Piddock LJ.

Antimicrob Agents Chemother. 2012 Nov;56(11):6037-40. doi: 10.1128/AAC.01320-12. Epub 2012 Sep 4.

2.

Binding of the RamR repressor to wild-type and mutated promoters of the RamA gene involved in efflux-mediated multidrug resistance in Salmonella enterica serovar Typhimurium.

Baucheron S, Coste F, Canepa S, Maurel MC, Giraud E, Culard F, Castaing B, Roussel A, Cloeckaert A.

Antimicrob Agents Chemother. 2012 Feb;56(2):942-8. doi: 10.1128/AAC.05444-11. Epub 2011 Nov 28.

3.

ramR mutations involved in efflux-mediated multidrug resistance in Salmonella enterica serovar Typhimurium.

Abouzeed YM, Baucheron S, Cloeckaert A.

Antimicrob Agents Chemother. 2008 Jul;52(7):2428-34. doi: 10.1128/AAC.00084-08. Epub 2008 Apr 28.

4.

Regulation of the AcrAB multidrug efflux pump in Salmonella enterica serovar Typhimurium in response to indole and paraquat.

Nikaido E, Shirosaka I, Yamaguchi A, Nishino K.

Microbiology. 2011 Mar;157(Pt 3):648-55. doi: 10.1099/mic.0.045757-0. Epub 2010 Dec 9.

PMID:
21148208
5.

Ciprofloxacin selects for multidrug resistance in Salmonella enterica serovar Typhimurium mediated by at least two different pathways.

Ricci V, Piddock LJ.

J Antimicrob Chemother. 2009 May;63(5):909-16. doi: 10.1093/jac/dkp054. Epub 2009 Mar 6.

PMID:
19270312
6.

The role of RamA on the development of ciprofloxacin resistance in Salmonella enterica serovar Typhimurium.

Sun Y, Dai M, Hao H, Wang Y, Huang L, Almofti YA, Liu Z, Yuan Z.

PLoS One. 2011;6(8):e23471. doi: 10.1371/journal.pone.0023471. Epub 2011 Aug 12.

7.

Bile-mediated activation of the acrAB and tolC multidrug efflux genes occurs mainly through transcriptional derepression of ramA in Salmonella enterica serovar Typhimurium.

Baucheron S, Nishino K, Monchaux I, Canepa S, Maurel MC, Coste F, Roussel A, Cloeckaert A, Giraud E.

J Antimicrob Chemother. 2014 Sep;69(9):2400-6. doi: 10.1093/jac/dku140. Epub 2014 May 9.

PMID:
24816212
8.

RamA, a member of the AraC/XylS family, influences both virulence and efflux in Salmonella enterica serovar Typhimurium.

Bailey AM, Ivens A, Kingsley R, Cottell JL, Wain J, Piddock LJ.

J Bacteriol. 2010 Mar;192(6):1607-16. doi: 10.1128/JB.01517-09. Epub 2010 Jan 15.

9.

Effect of transcriptional activators RamA and SoxS on expression of multidrug efflux pumps AcrAB and AcrEF in fluoroquinolone-resistant Salmonella Typhimurium.

Zheng J, Cui S, Meng J.

J Antimicrob Chemother. 2009 Jan;63(1):95-102. doi: 10.1093/jac/dkn448. Epub 2008 Nov 4.

PMID:
18984645
10.

RamA confers multidrug resistance in Salmonella enterica via increased expression of acrB, which is inhibited by chlorpromazine.

Bailey AM, Paulsen IT, Piddock LJ.

Antimicrob Agents Chemother. 2008 Oct;52(10):3604-11. doi: 10.1128/AAC.00661-08. Epub 2008 Aug 11.

11.

Effects of natural mutations in the ramRA locus on invasiveness of epidemic fluoroquinolone-resistant Salmonella enterica serovar Typhimurium isolates.

Giraud E, Baucheron S, Virlogeux-Payant I, Nishino K, Cloeckaert A.

J Infect Dis. 2013 Mar 1;207(5):794-802. doi: 10.1093/infdis/jis755. Epub 2012 Dec 10.

PMID:
23230062
12.

Only for substrate antibiotics are a functional AcrAB-TolC efflux pump and RamA required to select multidrug-resistant Salmonella Typhimurium.

Ricci V, Piddock LJ.

J Antimicrob Chemother. 2009 Sep;64(3):654-7. doi: 10.1093/jac/dkp234. Epub 2009 Jun 30. No abstract available.

PMID:
19570753
13.

Genetic inactivation of acrAB or inhibition of efflux induces expression of ramA.

Lawler AJ, Ricci V, Busby SJ, Piddock LJ.

J Antimicrob Chemother. 2013 Jul;68(7):1551-7. doi: 10.1093/jac/dkt069. Epub 2013 Mar 14.

14.

AcrAB multidrug efflux pump regulation in Salmonella enterica serovar Typhimurium by RamA in response to environmental signals.

Nikaido E, Yamaguchi A, Nishino K.

J Biol Chem. 2008 Aug 29;283(35):24245-53. doi: 10.1074/jbc.M804544200. Epub 2008 Jun 24.

15.

The crystal structure of multidrug-resistance regulator RamR with multiple drugs.

Yamasaki S, Nikaido E, Nakashima R, Sakurai K, Fujiwara D, Fujii I, Nishino K.

Nat Commun. 2013;4:2078. doi: 10.1038/ncomms3078.

PMID:
23800819
16.

Differential gene expression by RamA in ciprofloxacin-resistant Salmonella Typhimurium.

Zheng J, Tian F, Cui S, Song J, Zhao S, Brown EW, Meng J.

PLoS One. 2011;6(7):e22161. doi: 10.1371/journal.pone.0022161. Epub 2011 Jul 19.

17.

Salmonella gene rma (ramA) and multiple-drug-resistant Salmonella enterica serovar typhimurium.

van der Straaten T, Janssen R, Mevius DJ, van Dissel JT.

Antimicrob Agents Chemother. 2004 Jun;48(6):2292-4.

18.

RamA, which controls expression of the MDR efflux pump AcrAB-TolC, is regulated by the Lon protease.

Ricci V, Blair JM, Piddock LJ.

J Antimicrob Chemother. 2014 Mar;69(3):643-50. doi: 10.1093/jac/dkt432. Epub 2013 Oct 29.

19.

ramR is not involved in the regulation of ramA associated antibiotic resistance in Salmonella enterica serovar Typhi.

Miao M, Cao W, Wang H, Yan J, Wang M, Zheng Y, Xie X, Zhang X, Zhang H, Du H.

Microb Pathog. 2017 Oct;111:198-202. doi: 10.1016/j.micpath.2017.08.052. Epub 2017 Sep 5.

PMID:
28882783

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