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Evaluation of the culture-enhanced Xpert MTB/RIF assay for the diagnosis of smear-negative tuberculosis.

Noussair L, Bert F, Leflon-Guibout V, Métivier R, Chauvet C, Napol C, Nicolas-Chanoine MH.

Med Mal Infect. 2019 Sep;49(6):467-470. doi: 10.1016/j.medmal.2018.11.004. Epub 2018 Dec 6.


Hypervirulent Klebsiella pneumoniae in Cryptogenic Liver Abscesses, Paris, France.

Rossi B, Gasperini ML, Leflon-Guibout V, Gioanni A, de Lastours V, Rossi G, Dokmak S, Ronot M, Roux O, Nicolas-Chanoine MH, Fantin B, Lefort A.

Emerg Infect Dis. 2018 Feb;24(2):221-229. doi: 10.3201/eid2402.170957.


The ST131 Escherichia coli H22 subclone from human intestinal microbiota: Comparison of genomic and phenotypic traits with those of the globally successful H30 subclone.

Nicolas-Chanoine MH, Petitjean M, Mora A, Mayer N, Lavigne JP, Boulet O, Leflon-Guibout V, Blanco J, Hocquet D.

BMC Microbiol. 2017 Mar 27;17(1):71. doi: 10.1186/s12866-017-0984-8.


Genetic, biochemical characterization and mutagenesis of the chromosomal class A β-lactamase of Raoultella (formerly Klebsiella) terrigena.

Walckenaer E, Delmas J, Leflon-Guibout V, Bonnet R, Nicolas-Chanoine MH.

Pathol Biol (Paris). 2015 Sep;63(4-5):158-63. doi: 10.1016/j.patbio.2015.05.002. Epub 2015 Jun 16.


Clinical spectrum of urine cultures positive for ESBL-producing Escherichia coli in hospitalized patients and impact on antibiotic use.

Lepeule R, Leflon-Guibout V, Vanjak D, Zahar JR, Lafaurie M, Besson C, Lefort A; Groupe des Référents en Infectiologie d’Île-de-France (GRIF).

Med Mal Infect. 2014 Dec;44(11-12):530-4. doi: 10.1016/j.medmal.2014.09.004. Epub 2014 Oct 11.


Differential contribution of AcrAB and OqxAB efflux pumps to multidrug resistance and virulence in Klebsiella pneumoniae.

Bialek-Davenet S, Lavigne JP, Guyot K, Mayer N, Tournebize R, Brisse S, Leflon-Guibout V, Nicolas-Chanoine MH.

J Antimicrob Chemother. 2015 Jan;70(1):81-8. doi: 10.1093/jac/dku340. Epub 2014 Sep 4.


Faecal carriage of extended-spectrum β-lactamase (ESBL)-producing enterobacteria in liver disease patients from two hospitals in Egypt and France: a comparative epidemiological study.

Fam NS, Defasque S, Bert F, Leflon-Guibout V, El-Ray A, El-Ghannam M, Attia ME, Omar M, Desouki DG, Valla D, Nicolas-Chanoine MH.

Epidemiol Infect. 2015 Apr;143(6):1247-55. doi: 10.1017/S0950268814001812. Epub 2014 Jul 18.


Frequency and epidemiology of extended-spectrum β-lactamase-producing Enterobacteriaceae isolates susceptible to third-generation cephalosporins or to aztreonam.

Bert F, Bialek-Davenet S, Leflon-Guibout V, Noussair L, Nicolas-Chanoine MH.

Med Mal Infect. 2014 Feb;44(2):76-8. doi: 10.1016/j.medmal.2013.12.004. Epub 2014 Feb 10.


Prevalence of day-care centre children (France) with faecal CTX-M-producing Escherichia coli comprising O25b:H4 and O16:H5 ST131 strains.

Blanc V, Leflon-Guibout V, Blanco J, Haenni M, Madec JY, Rafignon G, Bruno P, Mora A, Lopez C, Dahbi G, Dunais B, Anastay M, Branger C, Moreau R, Pradier C, Nicolas-Chanoine MH.

J Antimicrob Chemother. 2014 May;69(5):1231-7. doi: 10.1093/jac/dkt519. Epub 2014 Jan 8.


10-Fold increase (2006-11) in the rate of healthy subjects with extended-spectrum β-lactamase-producing Escherichia coli faecal carriage in a Parisian check-up centre.

Nicolas-Chanoine MH, Gruson C, Bialek-Davenet S, Bertrand X, Thomas-Jean F, Bert F, Moyat M, Meiller E, Marcon E, Danchin N, Noussair L, Moreau R, Leflon-Guibout V.

J Antimicrob Chemother. 2013 Mar;68(3):562-8. doi: 10.1093/jac/dks429. Epub 2012 Nov 9.


Clinical outcome after a totally implantable venous access port-related infection in cancer patients: a prospective study and review of the literature.

Lebeaux D, Larroque B, Gellen-Dautremer J, Leflon-Guibout V, Dreyer C, Bialek S, Froissart A, Hentic O, Tessier C, Ruimy R, Pelletier AL, Crestani B, Fournier M, Papo T, Barry B, Zarrouk V, Fantin B.

Medicine (Baltimore). 2012 Nov;91(6):309-18. doi: 10.1097/MD.0b013e318275ffe1. Review.


Complete deletion of the ramR gene in an in vitro-selected mutant of Klebsiella pneumoniae overexpressing the AcrAB efflux pump.

Bialek-Davenet S, Leflon-Guibout V, Tran Minh O, Marcon E, Moreau R, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2013 Jan;57(1):672-3. doi: 10.1128/AAC.01410-12. Epub 2012 Oct 22. No abstract available.


The emergence of multidrug-resistant Klebsiella pneumoniae of international clones ST13, ST16, ST35, ST48 and ST101 in a teaching hospital in the Paris region.

Marcade G, Brisse S, Bialek S, Marcon E, Leflon-Guibout V, Passet V, Moreau R, Nicolas-Chanoine MH.

Epidemiol Infect. 2013 Aug;141(8):1705-12. doi: 10.1017/S0950268812002099. Epub 2012 Oct 4.


Three-month antibiotic therapy for early-onset postoperative spinal implant infections.

Dubée V, Lenoir T, Leflon-Guibout V, Briere-Bellier C, Guigui P, Fantin B.

Clin Infect Dis. 2012 Dec;55(11):1481-7. doi: 10.1093/cid/cis769. Epub 2012 Aug 31.


[Intermittent prolonged fever triggered by efforts].

Froissart A, Gazaignes S, Gellen-Dautremer J, Leflon-Guibout V, Iakovlev G, Zarrouk V, Lefort A, Fantin B.

Rev Med Interne. 2012 Sep;33(9):519-21. doi: 10.1016/j.revmed.2012.06.003. Epub 2012 Jul 4. French.


Phylogenetic distribution of CTX-M- and non-extended-spectrum-β-lactamase-producing Escherichia coli isolates: group B2 isolates, except clone ST131, rarely produce CTX-M enzymes.

Brisse S, Diancourt L, Laouénan C, Vigan M, Caro V, Arlet G, Drieux L, Leflon-Guibout V, Mentré F, Jarlier V, Nicolas-Chanoine MH; Coli β Study Group.

J Clin Microbiol. 2012 Sep;50(9):2974-81. Epub 2012 Jul 3.


Patient's origin and lifestyle associated with CTX-M-producing Escherichia coli: a case-control-control study.

Nicolas-Chanoine MH, Jarlier V, Robert J, Arlet G, Drieux L, Leflon-Guibout V, Laouénan C, Larroque B, Caro V, Mentré F; Group Coli β.

PLoS One. 2012;7(1):e30498. doi: 10.1371/journal.pone.0030498. Epub 2012 Jan 27.


Retroperitoneal abscesses due to Nocardia farcinica: report of two cases in patients with malnutrition.

de Montmollin E, Corcos O, Noussair L, Leflon-Guibout V, Belmatoug N, Joly F, Lefort A.

Infection. 2012 Feb;40(1):93-6. doi: 10.1007/s15010-011-0176-7. Epub 2011 Aug 23. No abstract available.


In vitro selection of ramR and soxR mutants overexpressing efflux systems by fluoroquinolones as well as cefoxitin in Klebsiella pneumoniae.

Bialek-Davenet S, Marcon E, Leflon-Guibout V, Lavigne JP, Bert F, Moreau R, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2011 Jun;55(6):2795-802. doi: 10.1128/AAC.00156-11. Epub 2011 Apr 4.


Detection of bacterial DNA in serum and ascitic fluid of asymptomatic outpatients with cirrhosis and non-neutrocytic ascites.

Sersté T, Bert F, Leflon-Guibout V, Chauvet C, Marcon E, Asselah T, Francoz C, Durand F, Lebrec D, Valla D, Moreau R, Nicolas-Chanoine MH.

Liver Int. 2011 Apr;31(4):494-8. doi: 10.1111/j.1478-3231.2011.02448.x. Epub 2011 Jan 30.


CTX-M-15-producing Escherichia coli clinical isolates in Cairo (Egypt), including isolates of clonal complex ST10 and clones ST131, ST73, and ST405 in both community and hospital settings.

Fam N, Leflon-Guibout V, Fouad S, Aboul-Fadl L, Marcon E, Desouky D, El-Defrawy I, Abou-Aitta A, Klena J, Nicolas-Chanoine MH.

Microb Drug Resist. 2011 Mar;17(1):67-73. doi: 10.1089/mdr.2010.0063. Epub 2010 Dec 4.


[Totally implanted access port-related infections: features and management].

Lebeaux D, Zarrouk V, Leflon-Guibout V, Lefort A, Fantin B.

Rev Med Interne. 2010 Dec;31(12):819-27. doi: 10.1016/j.revmed.2010.06.014. Epub 2010 Aug 11. French.


Membrane efflux and influx modulate both multidrug resistance and virulence of Klebsiella pneumoniae in a Caenorhabditis elegans model.

Bialek S, Lavigne JP, Chevalier J, Marcon E, Leflon-Guibout V, Davin A, Moreau R, Pagès JM, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2010 Oct;54(10):4373-8. doi: 10.1128/AAC.01607-09. Epub 2010 Aug 2.


Broad-range 16S rRNA PCR with cerebrospinal fluid may be unreliable for management of postoperative aseptic meningitis.

Zarrouk V, Leflon-Guibout V, Robineaux S, Kalamarides M, Nicolas-Chanoine MH, Sterkers O, Fantin B.

J Clin Microbiol. 2010 Sep;48(9):3331-3. doi: 10.1128/JCM.00008-10. Epub 2010 Jun 30.


Genetic diversity and virulence profiles of Escherichia coli isolates causing spontaneous bacterial peritonitis and bacteremia in patients with cirrhosis.

Bert F, Johnson JR, Ouattara B, Leflon-Guibout V, Johnston B, Marcon E, Valla D, Moreau R, Nicolas-Chanoine MH.

J Clin Microbiol. 2010 Aug;48(8):2709-14. doi: 10.1128/JCM.00516-10. Epub 2010 Jun 2.


Molecular epidemiology of Escherichia coli producing extended-spectrum {beta}-lactamases in Lugo (Spain): dissemination of clone O25b:H4-ST131 producing CTX-M-15.

Blanco M, Alonso MP, Nicolas-Chanoine MH, Dahbi G, Mora A, Blanco JE, López C, Cortés P, Llagostera M, Leflon-Guibout V, Puentes B, Mamani R, Herrera A, Coira MA, García-Garrote F, Pita JM, Blanco J.

J Antimicrob Chemother. 2009 Jun;63(6):1135-41. doi: 10.1093/jac/dkp122. Epub 2009 Apr 7.


Early diagnosis of extrapulmonary tuberculosis by a new procedure combining broth culture and PCR.

Noussair L, Bert F, Leflon-Guibout V, Gayet N, Nicolas-Chanoine MH.

J Clin Microbiol. 2009 May;47(5):1452-7. doi: 10.1128/JCM.00066-09. Epub 2009 Mar 25.


Efflux pump, the masked side of beta-lactam resistance in Klebsiella pneumoniae clinical isolates.

Pages JM, Lavigne JP, Leflon-Guibout V, Marcon E, Bert F, Noussair L, Nicolas-Chanoine MH.

PLoS One. 2009;4(3):e4817. doi: 10.1371/journal.pone.0004817. Epub 2009 Mar 12.


[Emergence of vancomycin-dependent enterococci following glycopeptide therapy: case report and review].

Bert F, Leflon-Guibout V, Le Grand J, Bourdon N, Nicolas-Chanoine MH.

Pathol Biol (Paris). 2009 Feb;57(1):56-60. doi: 10.1016/j.patbio.2008.07.017. Epub 2008 Oct 8. Review. French.


Absence of CTX-M enzymes but high prevalence of clones, including clone ST131, among fecal Escherichia coli isolates from healthy subjects living in the area of Paris, France.

Leflon-Guibout V, Blanco J, Amaqdouf K, Mora A, Guize L, Nicolas-Chanoine MH.

J Clin Microbiol. 2008 Dec;46(12):3900-5. doi: 10.1128/JCM.00734-08. Epub 2008 Oct 8.


How to identify Raoultella spp. including R. ornithinolytica isolates negative for ornithine decarboxylase? The reliability of the chromosomal bla gene.

Walckenaer E, Leflon-Guibout V, Nicolas-Chanoine MH.

J Microbiol Methods. 2008 Dec;75(3):405-10. doi: 10.1016/j.mimet.2008.07.011. Epub 2008 Jul 22.


Intercontinental emergence of Escherichia coli clone O25:H4-ST131 producing CTX-M-15.

Nicolas-Chanoine MH, Blanco J, Leflon-Guibout V, Demarty R, Alonso MP, Caniça MM, Park YJ, Lavigne JP, Pitout J, Johnson JR.

J Antimicrob Chemother. 2008 Feb;61(2):273-81. Epub 2007 Dec 11.


IMP-4-producing Pseudomonas aeruginosa in a French patient repatriated from Malaysia: impact of early detection and control measures.

Bert F, Vanjak D, Leflon-Guibout V, Mrejen S, Delpierre S, Redondo A, Nicolas-Chanoine MH.

Clin Infect Dis. 2007 Mar 1;44(5):764-5. No abstract available.


Emergence and spread of three clonally related virulent isolates of CTX-M-15-producing Escherichia coli with variable resistance to aminoglycosides and tetracycline in a French geriatric hospital.

Leflon-Guibout V, Jurand C, Bonacorsi S, Espinasse F, Guelfi MC, Duportail F, Heym B, Bingen E, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2004 Oct;48(10):3736-42.


Genetic and biochemical characterization of the chromosomal class A beta-lactamases of Raoultella (formerly Klebsiella) planticola and Raoultella ornithinolytica.

Walckenaer E, Poirel L, Leflon-Guibout V, Nordmann P, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2004 Jan;48(1):305-12.


New Klebsiella oxytoca beta-lactamase genes bla(OXY-3) and bla(OXY-4) and a third genetic group of K oxytoca based on bla(OXY-3).

Granier SA, Leflon-Guibout V, Goldstein FW, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2003 Sep;47(9):2922-8.


Recognition of two genetic groups in the Klebsiella oxytoca taxon on the basis of chromosomal beta-lactamase and housekeeping gene sequences as well as ERIC-1 R PCR typing.

Granier SA, Plaisance L, Leflon-Guibout V, Lagier E, Morand S, Goldstein FW, Nicolas-Chanoine MH.

Int J Syst Evol Microbiol. 2003 May;53(Pt 3):661-8.


Imipenem resistance in Salmonella enterica serovar Wien related to porin loss and CMY-4 beta-lactamase production.

Armand-Lefèvre L, Leflon-Guibout V, Bredin J, Barguellil F, Amor A, Pagès JM, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2003 Mar;47(3):1165-8.


Promoters P3, Pa/Pb, P4, and P5 upstream from bla(TEM) genes and their relationship to beta-lactam resistance.

Lartigue MF, Leflon-Guibout V, Poirel L, Nordmann P, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2002 Dec;46(12):4035-7.


False susceptibility of Klebsiella oxytoca to some extended-spectrum cephalosporins.

Granier SA, Nicolas-Chanoine MH, Nguyen Van JC, Leflon-Guibout V, Kitzis MD, Goldstein FW.

J Antimicrob Chemother. 2002 Aug;50(2):303-4. No abstract available.


Mild hypothermia does not increase bacterial proliferation on implanted vascular grafts.

Alfonsi P, Coggia M, Leflon-Guibout V, Sessler DI, Goëau-Brissonnière O, Chauvin M.

Am J Surg. 2002 Jul;184(1):37-40.


Comparison of the resistance to infection of rifampin-bonded gelatin-sealed and silver/collagen-coated polyester prostheses.

Goëau-Brissonnière OA, Fabre D, Leflon-Guibout V, Di Centa I, Nicolas-Chanoine MH, Coggia M.

J Vasc Surg. 2002 Jun;35(6):1260-3. Erratum in: J Vasc Surg 2002 Dec;36(6):1236. J Vasc Surg 2002 Nov;36(5):916.


The extended-spectrum K1 beta-lactamase from Klebsiella oxytoca SC 10,436 is a member of the bla(OXY-2) family of chromosomal Klebsiella enzymes.

Granier SA, Leflon-Guibout V, Nicolas-Chanoine MH, Bush K, Goldstein FW.

Antimicrob Agents Chemother. 2002 Jun;46(6):2056-7. No abstract available.


First description of a TEM-30 (IRT-2)-producing Klebsiella oxytoca isolate.

Granier SA, Nguyen Van JC, Kitzis MD, Goldstein FW, Leflon-Guibout V, Nicolas-Chanoine MH.

Antimicrob Agents Chemother. 2002 Apr;46(4):1158-9. No abstract available.


Pyelonephritis caused by multiple clones of Escherichia coli, susceptible and resistant to co-amoxiclav, after a 45 day course of co-amoxiclav.

Leflon-Guibout V, Bonacorsi S, Clermont O, Ternat G, Heym B, Nicolas-Chanoine MH.

J Antimicrob Chemother. 2002 Feb;49(2):373-7.


Exposure to co-amoxiclav as a risk factor for co-amoxiclav-resistant Escherichia coli urinary tract infection.

Leflon-Guibout V, Ternat G, Heym B, Nicolas-Chanoine MH.

J Antimicrob Chemother. 2002 Feb;49(2):367-71.


Updated sequence information and proposed nomenclature for bla(TEM) genes and their promoters.

Leflon-Guibout V, Heym B, Nicolas-Chanoine M.

Antimicrob Agents Chemother. 2000 Nov;44(11):3232-4.


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