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Diversity of Achromobacter species recovered from patients with cystic fibrosis, in Argentina.

Papalia M, Steffanowski C, Traglia G, Almuzara M, Martina P, Galanternik L, Vay C, Gutkind G, Ramírez MS, Radice M.

Rev Argent Microbiol. 2019 Jun 25. pii: S0325-7541(19)30048-3. doi: 10.1016/j.ram.2019.03.004. [Epub ahead of print]


Structural insights into the inhibition of the extended-spectrum β-lactamase PER-2 by Avibactam.

Ruggiero M, Papp-Wallace KM, Barnes MD, Bonomo RA, Gutkind G, Klinke S, Power P.

Antimicrob Agents Chemother. 2019 Jun 24. pii: AAC.00487-19. doi: 10.1128/AAC.00487-19. [Epub ahead of print]


Changing epidemiology of KPC-producing Klebsiella pneumoniae in Argentina: Emergence of hypermucoviscous ST25 and high-risk clone ST307.

Cejas D, Elena A, Guevara Nuñez D, Sevilla Platero P, De Paulis A, Magariños F, Alfonso C, Berger MA, Fernández-Canigia L, Gutkind G, Radice M.

J Glob Antimicrob Resist. 2019 Jun 13;18:238-242. doi: 10.1016/j.jgar.2019.06.005. [Epub ahead of print]


MALDI-TOF MS based procedure to detect KPC-2 directly from positive blood culture bottles and colonies.

Figueroa-Espinosa R, Costa A, Cejas D, Barrios R, Vay C, Radice M, Gutkind G, Di Conza J.

J Microbiol Methods. 2019 Apr;159:120-127. doi: 10.1016/j.mimet.2019.02.020. Epub 2019 Mar 5.


Co-occurrence of clinically relevant β-lactamases and MCR-1 encoding genes in Escherichia coli from companion animals in Argentina.

Rumi MV, Mas J, Elena A, Cerdeira L, Muñoz ME, Lincopan N, Gentilini ÉR, Di Conza J, Gutkind G.

Vet Microbiol. 2019 Mar;230:228-234. doi: 10.1016/j.vetmic.2019.02.006. Epub 2019 Feb 5.


Antimicrobial Resistance in Class 1 Integron-Positive Shiga Toxin-Producing Escherichia coli Isolated from Cattle, Pigs, Food and Farm Environment.

Colello R, Krüger A, Conza JD, Rossen JWA, Friedrich AW, Gutkind G, Etcheverría AI, Padola NL.

Microorganisms. 2018 Sep 28;6(4). pii: E99. doi: 10.3390/microorganisms6040099.


Novel mcr-5.3 variant in a CTX-M-8-producing Escherichia coli ST711 isolated from an infected horse.

Fernandes MR, Cerdeira L, Silva MM, Sellera FP, Muñoz M, Junior FG, Azevedo SS, Power P, Gutkind G, Lincopan N.

J Antimicrob Chemother. 2018 Dec 1;73(12):3520-3522. doi: 10.1093/jac/dky341. No abstract available.


Simultaneous Carriage of mcr-1 and Other Antimicrobial Resistance Determinants in Escherichia coli From Poultry.

Dominguez JE, Redondo LM, Figueroa Espinosa RA, Cejas D, Gutkind GO, Chacana PA, Di Conza JA, Fernández Miyakawa ME.

Front Microbiol. 2018 Jul 25;9:1679. doi: 10.3389/fmicb.2018.01679. eCollection 2018.


Characterized non-transient microbiota from stinkbug (Nezara viridula) midgut deactivates soybean chemical defenses.

Medina V, Sardoy PM, Soria M, Vay CA, Gutkind GO, Zavala JA.

PLoS One. 2018 Jul 12;13(7):e0200161. doi: 10.1371/journal.pone.0200161. eCollection 2018.


Proposing Kluyvera georgiana as the Origin of the Plasmid-Mediated Resistance Gene fosA4.

Rodriguez MM, Ghiglione B, Power P, Naas T, Gutkind G.

Antimicrob Agents Chemother. 2018 Jul 27;62(8). pii: e00710-18. doi: 10.1128/AAC.00710-18. Print 2018 Aug.


Spread of Clonally Related Escherichia coli Strains Harboring an IncA/C1 Plasmid Encoding IMP-8 and Its Recruitment into an Unrelated MCR-1-Containing Isolate.

Elena A, Cejas D, Magariños F, Jewtuchowicz V, Facente A, Gutkind G, Di Conza J, Radice M.

Antimicrob Agents Chemother. 2018 May 25;62(6). pii: e02414-17. doi: 10.1128/AAC.02414-17. Print 2018 Jun.


Characterisation of OXA-258 enzymes and AxyABM efflux pump in Achromobacter ruhlandii.

Papalia M, Traglia G, Ruggiero M, Almuzara M, Vay C, Gutkind G, Ramírez MS, Radice M.

J Glob Antimicrob Resist. 2018 Sep;14:233-237. doi: 10.1016/j.jgar.2018.03.015. Epub 2018 Apr 9.


Defining Substrate Specificity in the CTX-M Family: the Role of Asp240 in Ceftazidime Hydrolysis.

Ghiglione B, Rodríguez MM, Curto L, Brunetti F, Dropa M, Bonomo RA, Power P, Gutkind G.

Antimicrob Agents Chemother. 2018 May 25;62(6). pii: e00116-18. doi: 10.1128/AAC.00116-18. Print 2018 Jun.


Fast and easy detection of CMY-2 in Escherichia coli by direct MALDI-TOF mass spectrometry.

Espinosa RF, Rumi V, Marchisio M, Cejas D, Radice M, Vay C, Barrios R, Gutkind G, Di Conza J.

J Microbiol Methods. 2018 May;148:22-28. doi: 10.1016/j.mimet.2018.04.001. Epub 2018 Apr 3.


Complete Sequence of the IncA/C1 Plasmid pCf587 Carrying blaPER-2 from Citrobacter freundii.

Ruggiero M, Girlich D, Dabos L, Power P, Naas T, Gutkind G.

Antimicrob Agents Chemother. 2018 Apr 26;62(5). pii: e00006-18. doi: 10.1128/AAC.00006-18. Print 2018 May.


Detection and molecular characterization of Clostridium difficile ST 1 in Buenos Aires, Argentina.

Cejas D, Ríos Osorio NR, Quirós R, Sadorin R, Berger MA, Gutkind G, Fernández Canigia L, Radice M.

Anaerobe. 2018 Feb;49:14-17. doi: 10.1016/j.anaerobe.2017.10.007. Epub 2017 Oct 23.


Identification of CfiA coding genes in Bacteroides fragilis isolates recovered in Argentina. Inconsistencies in CfiA organization and nomenclature.

Litterio MR, Cejas D, Gutkind G, Radice M.

Anaerobe. 2017 Dec;48:257-261. doi: 10.1016/j.anaerobe.2017.10.003. Epub 2017 Oct 7.


Crystal structure and kinetic analysis of the class B3 di-zinc metallo-β-lactamase LRA-12 from an Alaskan soil metagenome.

Rodríguez MM, Herman R, Ghiglione B, Kerff F, D'Amico González G, Bouillenne F, Galleni M, Handelsman J, Charlier P, Gutkind G, Sauvage E, Power P.

PLoS One. 2017 Jul 27;12(7):e0182043. doi: 10.1371/journal.pone.0182043. eCollection 2017.


MCR-1: rethinking the origin.

Di Conza JA, Radice MA, Gutkind GO.

Int J Antimicrob Agents. 2017 Dec;50(6):737. doi: 10.1016/j.ijantimicag.2017.06.003. Epub 2017 Jul 4. No abstract available.


Plasmid-mediated colistin resistance in Escherichia coli recovered from healthy poultry.

Dominguez JE, Figueroa Espinosa RA, Redondo LM, Cejas D, Gutkind GO, Chacana PA, Di Conza JA, Fernández-Miyakawa ME.

Rev Argent Microbiol. 2017 Jul - Sep;49(3):297-298. doi: 10.1016/j.ram.2017.02.001. Epub 2017 Apr 27. No abstract available.


Exploring the Landscape of Diazabicyclooctane (DBO) Inhibition: Avibactam Inactivation of PER-2 β-Lactamase.

Ruggiero M, Papp-Wallace KM, Taracila MA, Mojica MF, Bethel CR, Rudin SD, Zeiser ET, Gutkind G, Bonomo RA, Power P.

Antimicrob Agents Chemother. 2017 May 24;61(6). pii: e02476-16. doi: 10.1128/AAC.02476-16. Print 2017 Jun.


Impact of Mutations at Arg220 and Thr237 in PER-2 β-Lactamase on Conformation, Activity, and Susceptibility to Inhibitors.

Ruggiero M, Curto L, Brunetti F, Sauvage E, Galleni M, Power P, Gutkind G.

Antimicrob Agents Chemother. 2017 May 24;61(6). pii: e02193-16. doi: 10.1128/AAC.02193-16. Print 2017 Jun.


First survey on antibiotic resistance markers in Enterobacteriaceae in Cochabamba, Bolivia.

Saba Villarroel PM, Gutkind GO, Di Conza JA, Radice MA.

Rev Argent Microbiol. 2017 Jan - Mar;49(1):50-54. doi: 10.1016/j.ram.2016.10.002. Epub 2016 Dec 14.


Occurrence of plasmidic AmpC β-lactamase in a Salmonella Typhimurium isolate of equine origin: First report of CMY-2 in animals in Argentina.

Dominguez JE, Gutkind GO, Di Conza JA, Mercado EC.

J Glob Antimicrob Resist. 2015 Dec;3(4):315-316. doi: 10.1016/j.jgar.2015.09.006. Epub 2015 Oct 17. No abstract available.


Biochemical Characterization of β-Lactamases from Mycobacterium abscessus Complex and Genetic Environment of the β-Lactamase-Encoding Gene.

Ramírez A, Ruggiero M, Aranaga C, Cataldi A, Gutkind G, de Waard JH, Araque M, Power P.

Microb Drug Resist. 2017 Apr;23(3):294-300. doi: 10.1089/mdr.2016.0047. Epub 2016 Jul 18.


Aerobic degradation of ibuprofen in batch and continuous reactors by an indigenous bacterial community.

Fortunato MS, Fuentes Abril NP, Martinefski M, Trípodi V, Papalia M, Rádice M, Gutkind G, Gallego A, Korol SE.

Environ Technol. 2016 Oct;37(20):2617-26. doi: 10.1080/09593330.2016.1156773. Epub 2016 Mar 28.


Extended-spectrum β-lactamases, transferable quinolone resistance, and virulotyping in extra-intestinal E. coli in Uruguay.

Vignoli R, García-Fulgueiras V, Cordeiro NF, Bado I, Seija V, Aguerrebere P, Laguna G, Araújo L, Bazet C, Gutkind G, Chabalgoity J.

J Infect Dev Ctries. 2016 Jan 31;10(1):43-52. doi: 10.3855/jidc.6918.


Multidrug resistance in Escherichia coli carrying integrons isolated from a pig farm with moderate antibiotic use.

de la Torre E, Colello R, Fernández D, Etcheverría A, Di Conza J, Gutkind GO, Tapia MO, Dieguez SN, Soraci AL, Padola NL.

J Gen Appl Microbiol. 2015;61(6):270-3. doi: 10.2323/jgam.61.270. No abstract available.


Draft genome sequence of Inquilinus limosus strain MP06, a multidrug-resistant clinical isolate.

Pino M, Conza JD, Gutkind G.

Braz J Microbiol. 2015 Oct-Dec;46(4):943-4. doi: S1517-838246420150474. Epub 2015 Oct 27.


Selection and identification of a bacterial community able to degrade and detoxify m-nitrophenol in continuous biofilm reactors.

González AJ, Fortunato MS, Papalia M, Radice M, Gutkind G, Magdaleno A, Gallego A, Korol SE.

Ecotoxicol Environ Saf. 2015 Dec;122:245-51. doi: 10.1016/j.ecoenv.2015.07.029. Epub 2015 Sep 20.


Structural and Kinetic Insights into the "Ceftazidimase" Behavior of the Extended-Spectrum β-Lactamase CTX-M-96.

Ghiglione B, Rodríguez MM, Herman R, Curto L, Dropa M, Bouillenne F, Kerff F, Galleni M, Charlier P, Gutkind G, Sauvage E, Power P.

Biochemistry. 2015 Aug 18;54(32):5072-82. doi: 10.1021/acs.biochem.5b00313. Epub 2015 Aug 10.


Antibiotic resistance and integrons in Shiga toxin-producing Escherichia coli (STEC).

Colello R, Etcheverría AI, Di Conza JA, Gutkind GO, Padola NL.

Braz J Microbiol. 2015 Mar 1;46(1):1-5. doi: 10.1590/S1517-838246120130698. eCollection 2015 Mar. Review.


Detection and genetic characterization of β-lactamases in Prevotella intermedia and Prevotella nigrescens isolated from oral cavity infections and peritonsillar abscesses.

Fernández-Canigia L, Cejas D, Gutkind G, Radice M.

Anaerobe. 2015 Jun;33:8-13. doi: 10.1016/j.anaerobe.2015.01.007. Epub 2015 Jan 23.


Molecular and biochemical characterization of CTX-M-131, a natural Asp240Gly variant derived from CTX-M-2, produced by a Providencia rettgeri clinical strain in São Paulo, Brazil.

Dropa M, Ghiglione B, Matté MH, Balsalobre LC, Lincopan N, Matté GR, Gutkind G, Power P.

Antimicrob Agents Chemother. 2015 Mar;59(3):1815-7. doi: 10.1128/AAC.04116-14. Epub 2015 Jan 12.


Detection of blaCTX-M-type genes in complex class 1 integrons carried by Enterobacteriaceae isolated from retail chicken meat in Brazil.

Casella T, Rodríguez MM, Takahashi JT, Ghiglione B, Dropa M, Assunção E, Nogueira ML, Lincopan N, Gutkind G, Nogueira MC.

Int J Food Microbiol. 2015 Mar 16;197:88-91. doi: 10.1016/j.ijfoodmicro.2014.12.001. Epub 2014 Dec 11.


β-lactamases produced by amoxicillin-clavulanate-resistant enterobacteria isolated in Buenos Aires, Argentina: a new blaTEM gene.

Di Conza JA, Badaracco A, Ayala J, Rodríguez C, Famiglietti A, Gutkind GO.

Rev Argent Microbiol. 2014 Jul-Sep;46(3):210-7. doi: 10.1016/S0325-7541(14)70075-6. Epub 2014 Oct 15.


Community-associated methicillin-resistant Staphylococcus aureus skin and soft tissue infections in a pediatric hospital in Argentina.

von Specht MH, Gardella N, Ubeda C, Grenon S, Gutkind G, Mollerach M.

J Infect Dev Ctries. 2014 Sep 12;8(9):1119-28. doi: 10.3855/jidc.4271.


Crystal structure of the extended-spectrum β-lactamase PER-2 and insights into the role of specific residues in the interaction with β-lactams and β-lactamase inhibitors.

Ruggiero M, Kerff F, Herman R, Sapunaric F, Galleni M, Gutkind G, Charlier P, Sauvage E, Power P.

Antimicrob Agents Chemother. 2014 Oct;58(10):5994-6002. doi: 10.1128/AAC.00089-14. Epub 2014 Jul 28.


First isolate of KPC-2-producing Klebsiella pneumonaie sequence type 23 from the Americas.

Cejas D, Fernández Canigia L, Rincón Cruz G, Elena AX, Maldonado I, Gutkind GO, Radice MA.

J Clin Microbiol. 2014 Sep;52(9):3483-5. doi: 10.1128/JCM.00726-14. Epub 2014 Jul 16.


Genetic environment of the lnu(B) gene in a Streptococcus agalactiae clinical isolate.

Montilla A, Zavala A, Cáceres Cáceres R, Cittadini R, Vay C, Gutkind G, Famiglietti A, Bonofiglio L, Mollerach M.

Antimicrob Agents Chemother. 2014 Sep;58(9):5636-7. doi: 10.1128/AAC.02630-14. Epub 2014 Jun 23. No abstract available.


Presence of OXA-type enzymes in Achromobacter insuavis and A. dolens.

Traglia G, Papalia M, Almuzara M, Gutkind G, Centrón D, Vay C, Radice M, Ramírez MS.

Curr Microbiol. 2014 Oct;69(4):501-6. doi: 10.1007/s00284-014-0611-y. Epub 2014 Jun 4.


First detection of CMY-2 plasmid mediated β-lactamase in Salmonella Heidelberg in South America.

Cejas D, Vignoli R, Quinteros M, Marino R, Callejo R, Betancor L, Gutkind GO, Radice MA.

Rev Argent Microbiol. 2014 Jan-Mar;46(1):30-3. doi: 10.1016/S0325-7541(14)70044-6.


First report of plasmid-mediated fluoroquinolone efflux pump QepA in Escherichia coli clinical isolate ST68, in South America.

Rincón G, Radice M, Giovanakis M, Di Conza JA, Gutkind G.

Diagn Microbiol Infect Dis. 2014 May;79(1):70-2. doi: 10.1016/j.diagmicrobio.2014.01.007. Epub 2014 Jan 24.


INQ-1, a chromosome-encoded AmpC β-lactamase from Inquilinus limosus.

Pino M, Power P, Gutkind G, Di Conza JA.

J Antimicrob Chemother. 2014 Feb;69(2):560-2. doi: 10.1093/jac/dkt378. Epub 2013 Sep 26. No abstract available.


Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina.

Cruz GR, Radice M, Sennati S, Pallecchi L, Rossolini GM, Gutkind G, Conza JA.

Mem Inst Oswaldo Cruz. 2013 Nov;108(7):924-7.


Identification of the first blaCMY-2 gene in Salmonella enterica serovar Typhimurium isolates obtained from cases of paediatric diarrhoea illness detected in South America.

Cordeiro NF, Yim L, Betancor L, Cejas D, García-Fulgueiras V, Mota MI, Varela G, Anzalone L, Algorta G, Gutkind G, Ayala JA, Chabalgoity JA, Vignoli R.

J Glob Antimicrob Resist. 2013 Sep;1(3):143-148. doi: 10.1016/j.jgar.2013.04.003. Epub 2013 Jun 1.


β-Cyclodextrin hydrogels for the ocular release of antibacterial thiosemicarbazones.

Glisoni RJ, García-Fernández MJ, Pino M, Gutkind G, Moglioni AG, Alvarez-Lorenzo C, Concheiro A, Sosnik A.

Carbohydr Polym. 2013 Apr 2;93(2):449-57. doi: 10.1016/j.carbpol.2012.12.033. Epub 2012 Dec 24.


OXA-258 from Achromobacter ruhlandii: a species-specific marker.

Papalia M, Almuzara M, Cejas D, Traglia G, Ramírez MS, Galanternik L, Vay C, Gutkind G, Radice M.

J Clin Microbiol. 2013 May;51(5):1602-5. doi: 10.1128/JCM.03043-12. Epub 2013 Mar 6.


Plasmid-Encoded AmpC (pAmpC) in Enterobacteriaceae: epidemiology of microorganisms and resistance markers.

Cejas D, Fernández Canigia L, Quinteros M, Giovanakis M, Vay C, Lascialandare S, Mutti D, Pagniez G, Almuzara M, Gutkind G, Radice M.

Rev Argent Microbiol. 2012 Jul-Sep;44(3):182-6.

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