All Stories

  1. Outbreak of NDM-5-producing Klebsiella variicola in intensive care units: an overlooked pathogen in Argentina?

    Article • Microbiology Spectrum, August 2025, ASM Journals

    Professor Gabriel O. Gutkind

  2. Impact of the double deletion ΔG242-T243 in KPC-2 in the effectiveness of ceftazidime-avibactam and imipenem-relebactam

    Article • Antimicrobial Agents and Chemotherapy, June 2025, ASM Journals

    Dr Pablo Power, Professor Gabriel O. Gutkind

  3. Re-updating the taxonomy of Kluyvera genus for a better understanding of CTX-M β-lactamase origin

    Article • Microbiology Spectrum, September 2024, ASM Journals

    Professor Gabriel O. Gutkind

  4. Crystal structure of the class A extended-spectrum β-lactamase CTX-M-96 in complex with relebactam at 1.03 Angstrom resolution

    Article • Antimicrobial Agents and Chemotherapy, August 2024, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  5. Insights into the activity of cefiderocol against PER-2 producing Enterobacterales

    Article • Antimicrobial Agents and Chemotherapy, May 2024, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  6. Genetic and Biochemical Characterization of AXC-2 from Achromobacter ruhlandii

    Article • Pathogens, January 2024, MDPI AG

    Professor Gabriel O. Gutkind

  7. Diversity of genetic platforms harboring the blaPER-2 gene in Enterobacterales and insights into the role of ISPa12 in its mobilization and dissemination

    Article • International Journal of Antimicrobial Agents, July 2023, Elsevier

    Professor Gabriel O. Gutkind, Dr Pablo Power

  8. Biochemical and Structural Characterization of CRH-1, a Carbapenemase from Chromobacterium haemolyticum Related to KPC β-Lactamases

    Article • Antimicrobial Agents and Chemotherapy, June 2023, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power, Professor Luca Guardabassi

  9. Boronic Acid Transition State Inhibitors as Potent Inactivators of KPC and CTX-M β-Lactamases: Biochemical and Structural Analyses

    Article • Antimicrobial Agents and Chemotherapy, January 2023, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  10. Outbreak of Klebsiella pneumoniae ST11 Resistant To Ceftazidime-Avibactam Producing KPC-31 and the Novel Variant KPC-115 during COVID-19 Pandemic in Argentina

    Article • Microbiology Spectrum, December 2022, ASM Journals

    Professor Gabriel O. Gutkind

  11. Redefining the Origin and Evolution of Chromosomally Encoded bla CTX-M/KLU in the Context of a Revised Taxonomy of Genus Kluyvera

    Article • Antimicrobial Agents and Chemotherapy, June 2021, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  12. Editorial: Antimicrobial Resistance in Zoonotic Bacteria in Developing Countries: The Role of Food Animal Production in Public Health

    Article • Frontiers in Veterinary Science, June 2021, Frontiers

    Professor Gabriel O. Gutkind

  13. Antimicrobial Resistance in Zoonotic Bacteria in Developing Countries: The Role of Food Animal Production in Public Health

    Article • January 2021, Frontiers

    Professor Gabriel O. Gutkind

  14. Expansion and improvement of MALDI-TOF MS databases for accurate identification of Achromobacter species

    Article • Journal of Microbiological Methods, May 2020, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Revista Argentina de Microbiología, January 2020, Elsevier

    Professor Gabriel O. Gutkind

  16. Full characterization of an IncR plasmid harboring qnrS1 recovered from a VIM-11-producing Pseudomonas aeruginosa

    Article • Revista Argentina de Microbiología, January 2020, Elsevier

    Professor Gabriel O. Gutkind

  17. Phenotypic Detection of Plasmid-Mediated Colistin Resistance in Enterobacteriaceae

    Article • Journal of Clinical Microbiology, December 2019, ASM Journals

    Professor Gabriel O. Gutkind

  18. Detection of plasmid-mediated colistin resistance by colistin pre-diffusion and inhibition with EDTA test (CPD-E) in Enterobactereaceae

    Article • Journal of Microbiological Methods, December 2019, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Journal of Global Antimicrobial Resistance, September 2019, Elsevier

    Professor Gabriel O. Gutkind

  20. Structural Insights into the Inhibition of the Extended-Spectrum β-Lactamase PER-2 by Avibactam

    Article • Antimicrobial Agents and Chemotherapy, June 2019, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Journal of Microbiological Methods, April 2019, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Veterinary Microbiology, March 2019, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Journal of Antimicrobial Chemotherapy, September 2018, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Journal of Global Antimicrobial Resistance, September 2018, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Frontiers in Microbiology, July 2018, Frontiers

    Professor Gabriel O. Gutkind

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

    Article • PLOS One, July 2018, PLOS

    Professor Gabriel O. Gutkind

  27. Kluyvera strikes again: the origin for Fosfomycin resistance

    Article • Antimicrobial Agents and Chemotherapy, June 2018, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Journal of Microbiological Methods, May 2018, Elsevier

    Professor Gabriel O. Gutkind

  29. 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

    Article • Antimicrobial Agents and Chemotherapy, April 2018, ASM Journals

    Professor Gabriel O. Gutkind

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

    Article • Antimicrobial Agents and Chemotherapy, April 2018, ASM Journals

    Dr Pablo Power, Professor Gabriel O. Gutkind

  31. Complete Sequence of the IncA/C1Plasmid pCf587 CarryingblaPER-2fromCitrobacter freundii

    Article • Antimicrobial Agents and Chemotherapy, February 2018, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Anaerobe, February 2018, Elsevier

    Professor Gabriel O. Gutkind

  33. MCR-1: rethinking the origin

    Article • International Journal of Antimicrobial Agents, December 2017, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Anaerobe, December 2017, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • PLOS One, July 2017, PLOS

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Revista Argentina de Microbiología, July 2017, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Microbial Drug Resistance, April 2017, Mary Ann Liebert Inc

    Professor Gabriel O. Gutkind, Jacobus de Waard, Dr Pablo Power

  38. Effective drug to fight back antibiotic resistant bacteria

    Article • Antimicrobial Agents and Chemotherapy, March 2017, ASM Journals

    Dr Pablo Power, Professor Gabriel O. Gutkind

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

    Article • Antimicrobial Agents and Chemotherapy, March 2017, ASM Journals

    Dr Pablo Power, Professor Gabriel O. Gutkind

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

    Article • Revista Argentina de Microbiología, January 2017, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Environmental Technology, March 2016, Taylor & Francis

    Professor Gabriel O. Gutkind

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

    Article • The Journal of Infection in Developing Countries, January 2016, Journal of Infection in Developing Countries

    Professor Gabriel O. Gutkind

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

    Article • Journal of Global Antimicrobial Resistance, December 2015, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Ecotoxicology and Environmental Safety, December 2015, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Biochemistry, August 2015, American Chemical Society (ACS)

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Anaerobe, June 2015, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Brazilian Journal of Microbiology, May 2015, FapUNIFESP (SciELO)

    Professor Gabriel O. Gutkind

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

    Article • International Journal of Food Microbiology, March 2015, Elsevier

    Dr Mauricio L Nogueira, Professor Gabriel O. Gutkind

  49. 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

    Article • Antimicrobial Agents and Chemotherapy, January 2015, ASM Journals

    Dr Milena Dropa, Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • The Journal of General and Applied Microbiology, January 2015, Microbiology Research Foundation

    Professor Gabriel O. Gutkind

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

    Article • The Journal of Infection in Developing Countries, September 2014, Journal of Infection in Developing Countries

    Professor Gabriel O. Gutkind

  52. 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

    Article • Antimicrobial Agents and Chemotherapy, July 2014, ASM Journals

    Dr Pablo Power, Professor Gabriel O. Gutkind

  53. First Isolate of KPC-2-Producing Klebsiella pneumonaie Sequence Type 23 from the Americas

    Article • Journal of Clinical Microbiology, July 2014, ASM Journals

    Professor Gabriel O. Gutkind

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

    Article • Revista Argentina de Microbiología, July 2014, Elsevier

    Professor Gabriel O. Gutkind

  55. Genetic Environment of thelnu(B) Gene in a Streptococcus agalactiae Clinical Isolate

    Article • Antimicrobial Agents and Chemotherapy, June 2014, ASM Journals

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  56. Presence of OXA-Type Enzymes in Achromobacter insuavis and A. dolens

    Article • Current Microbiology, June 2014, Springer Science + Business Media

    Maria Soledad Ramirez, Professor Gabriel O. Gutkind

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

    Article • Diagnostic Microbiology and Infectious Disease, May 2014, Elsevier

    Professor Gabriel O. Gutkind

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

    Article • Revista Argentina de Microbiología, January 2014, Elsevier

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind

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

    Article • Memórias do Instituto Oswaldo Cruz, November 2013, FapUNIFESP (SciELO)

    Professor Gabriel O. Gutkind

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

    Article • Journal of Antimicrobial Chemotherapy, September 2013, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind, Dr Pablo Power

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

    Article • Journal of Global Antimicrobial Resistance, September 2013, Elsevier

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind

  62. Biodegradation ofp-Chloroaniline and Ammonium Removal in Continuous Biofilm Reactors

    Article • CLEAN - Soil Air Water, August 2013, Wiley

    Professor Gabriel O. Gutkind

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

    Article • Carbohydrate Polymers, April 2013, Elsevier

    Professor Alejandro SOSNIK, Dr Carmen Alvarez-Lorenzo, Professor Gabriel O. Gutkind

  64. OXA-258 from Achromobacter ruhlandii: a Species-Specific Marker

    Article • Journal of Clinical Microbiology, March 2013, ASM Journals

    Professor Gabriel O. Gutkind

  65. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview

    Article • Current Pharmaceutical Design, January 2013, Bentham Science Publishers

    Professor Gabriel O. Gutkind

  66. First clonal spread of KPC-producing Pseudomonas aeruginosa in Buenos Aires, Argentina

    Article • Infection Genetics and Evolution, December 2012, Elsevier

    Professor Gabriel O. Gutkind

  67. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview

    Article • Current Pharmaceutical Design, November 2012, Bentham Science Publishers

    Dr Pablo Power, Professor Gabriel O. Gutkind

  68. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview

    Article • Current Pharmaceutical Design, November 2012, Bentham Science Publishers

    Professor Gabriel O. Gutkind

  69. Changing Epidemiology of Extended-Spectrum β-Lactamases in Argentina: Emergence of CTX-M-15

    Article • Antimicrobial Agents and Chemotherapy, August 2012, ASM Journals

    Professor Gabriel O. Gutkind

  70. Novel fragments of clavulanate observed in the structure of the class A  -lactamase from Bacillus licheniformis BS3

    Article • Journal of Antimicrobial Chemotherapy, July 2012, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind, Dr Pablo Power

  71. Hyperendemic clone of KPC producing Klebsiella pneumoniae ST 258 in Buenos Aires hospitals

    Article • Infection Genetics and Evolution, April 2012, Elsevier

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  72. First Human Isolate of Salmonella enterica Serotype Enteritidis HarboringblaCTX-M-14in South America

    Article • Antimicrobial Agents and Chemotherapy, January 2012, ASM Journals

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind

  73. First National Survey of Antibiotic Susceptibility of the Bacteroides fragilis Group: Emerging Resistance to Carbapenems in Argentina

    Article • Antimicrobial Agents and Chemotherapy, January 2012, ASM Journals

    Professor Gabriel O. Gutkind

  74. Degradation and detoxification of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) by an indigenous Delftia sp. strain in batch and continuous systems

    Article • International Biodeterioration & Biodegradation, January 2012, Elsevier

    Professor Gabriel O. Gutkind

  75. Estudio comparativo de clones de aislamientos de Staphylococcus Aureus resistentes a meticilina prevalentes en la Argentina

    Article • Revista Panamericana de Salud Pública, December 2011, FapUNIFESP (SciELO)

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  76. Resistencia a carbapenemes en aislamientos de Pseudomonas aeruginosa: un ejemplo de interacción entre distintos mecanismos

    Article • Revista Panamericana de Salud Pública, December 2011, FapUNIFESP (SciELO)

    Professor Gabriel O. Gutkind

  77. Prevalence and characterization of methicillin-resistant Staphylococcus aureus among healthy children in a city of Argentina

    Article • Infection Genetics and Evolution, July 2011, Elsevier

    Professor Gabriel O. Gutkind

  78. Extended-spectrum  -lactamases and plasmid-mediated quinolone resistance in enterobacterial clinical isolates in the paediatric hospital of Uruguay

    Article • Journal of Antimicrobial Chemotherapy, June 2011, Oxford University Press (OUP)

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind

  79. Oxacillin- and cefoxitin-susceptible meticillin-resistant Staphylococcus aureus (MRSA)

    Article • International Journal of Antimicrobial Agents, February 2011, Elsevier

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  80. A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control

    Article • AMB Express, January 2011, Springer Science + Business Media

    Professor Gabriel O. Gutkind

  81. A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control

    Article • AMB Express, January 2011, Springer Science + Business Media

    Professor Gabriel O. Gutkind

  82. CTX-M-14 β-lactamase-producing Citrobacter freundii isolated in Venezuela

    Article • Annals of Clinical Microbiology and Antimicrobials, January 2011, Springer Science + Business Media

    Professor Gabriel O. Gutkind, MD, PhD María Araque

  83. Detection of class 1 and 2 integrons, extended-spectrum β-lactamases and qnr alleles in enterobacterial isolates from the digestive tract of Intensive Care Unit inpatients

    Article • International Journal of Antimicrobial Agents, November 2010, Elsevier

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind

  84. Purification and Biochemical Characterization of IMP-13 Metallo-β-Lactamase

    Article • Antimicrobial Agents and Chemotherapy, October 2010, ASM Journals

    Professor Gabriel O. Gutkind

  85. Intercontinental Dissemination of IMP-13-Producing Pseudomonas aeruginosa Belonging in Sequence Type 621

    Article • Journal of Clinical Microbiology, September 2010, ASM Journals

    Professor Gabriel O. Gutkind

  86. Novel Chromosome-Encoded CTX-M-78 β-Lactamase from a Kluyvera georgiana Clinical Isolate as a Putative Origin of CTX-M-25 Subgroup

    Article • Antimicrobial Agents and Chemotherapy, April 2010, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  87. A novel OXA-10–like β-lactamase is present in different Enterobacteriaceae

    Article • Diagnostic Microbiology and Infectious Disease, February 2010, Elsevier

    Professor Gabriel O. Gutkind

  88. Full Resistance and Decreased Susceptibility to Carbapenems in IMP-13-Producing Pseudomonas aeruginosa Isolates from an Outbreak

    Article • Antimicrobial Agents and Chemotherapy, January 2010, ASM Journals

    Professor Gabriel O. Gutkind

  89. Identification of the full set of Listeria monocytogenes penicillin-binding proteins and characterization of PBPD2 (Lmo2812)

    Article • BMC Microbiology, January 2010, Springer Science + Business Media

    Professor Gabriel O. Gutkind

  90. Community-associated methicillin-resistant Staphylococcus aureus, eastern Argentina

    Article • Diagnostic Microbiology and Infectious Disease, November 2008, Elsevier

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  91. Characterization of Extended-Spectrum β-Lactamases in Clinical Isolates ofKlebsiella pneumoniaeandEscherichia colifrom Posadas, Misiones, Argentina

    Article • Journal of Chemotherapy, February 2008, Taylor & Francis

    Professor Gabriel O. Gutkind

  92. Ciprofloxacin-Resistant Enterobacteria Harboring the aac(6′)-Ib-cr Variant Isolated from Feces of Inpatients in an Intensive Care Unit in Uruguay

    Article • Antimicrobial Agents and Chemotherapy, November 2007, ASM Journals

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind

  93. Immunobiological role of llama heavy-chain antibodies against a bacterial β-lactamase

    Article • Veterinary Immunology and Immunopathology, June 2007, Elsevier

    Professor Gabriel O. Gutkind, Dr Pablo Power

  94. Biochemical Characterization of PER-2 and Genetic Environment of blaPER-2

    Article • Antimicrobial Agents and Chemotherapy, April 2007, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  95. VIM-2–producingPseudomonas putida, Buenos Aires

    Article • Emerging Infectious Diseases, April 2007, Centers for Disease Control and Prevention (CDC)

    Professor Gabriel O. Gutkind

  96. Characterisation of KLUA-9, a β-lactamase from extended-spectrum cephalosporin-susceptible Kluyvera ascorbata, and genetic organisation of blaKLUA-9

    Article • International Journal of Antimicrobial Agents, March 2007, Elsevier

    Professor Gabriel O. Gutkind, Dr Pablo Power

  97. Methicillin-resistant Staphylococcus aureus in community-acquired meningitis

    Article • European Journal of Clinical Microbiology & Infectious Diseases, March 2006, Springer Science + Business Media

    Professor Gabriel O. Gutkind

  98. Biochemical and Molecular Characterization of Three New Variants of AmpC β-Lactamases from Morganella morganii

    Article • Antimicrobial Agents and Chemotherapy, March 2006, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  99. New TEM-Derived Extended-Spectrum β-Lactamase and Its Genomic Context in Plasmids from Salmonella enterica Serovar Derby Isolates from Uruguay

    Article • Antimicrobial Agents and Chemotherapy, February 2006, ASM Journals

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind, Dr Pablo Power

  100. Estudio de integrones clase 1 en Salmonella aisladas en Santa Fe, Argentina

    Article • FABICIB, December 2005, Universidad Nacional del Litoral

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  101. Comparación de tres métodos microbiológicos para la detección de betalactamasas de espectro extendido en enterobacterias aisladas en Santa Fe (Argentina)

    Article • Enfermedades Infecciosas y Microbiología Clínica, September 2005, Elsevier

    Professor Gabriel O. Gutkind

  102. Synthesis, spectroscopic and biological properties of bis(3-arylimidazolidinyl-1)methanes. A novel family of antimicrobial agents

    Article • European Journal of Medicinal Chemistry, August 2005, Elsevier

    Professor Gabriel O. Gutkind

  103. Transcriptional Analysis of the blaCTX-M-2 Gene in Salmonella enterica Serovar Infantis

    Article • Antimicrobial Agents and Chemotherapy, July 2005, ASM Journals

    Professor Gabriel O. Gutkind

  104. Enteropathogenic Escherichia coli Strains Carrying Genes Encoding the PER-2 and TEM-116 Extended-Spectrum  -Lactamases Isolated from Children with Diarrhea in Uruguay

    Article • Journal of Clinical Microbiology, June 2005, ASM Journals

    Dr Rafael Vignoli, Professor Gabriel O. Gutkind, Dr Pablo Power

  105. Low macrolide resistance in Streptococcus pyogenes in Southern Argentina

    Article • International Journal of Antimicrobial Agents, May 2005, Elsevier

    Professor Gabriel O. Gutkind

  106. Description of In116, the first blaCTX-M-2-containing complex class 1 integron found in Morganella morganii isolates from Buenos Aires, Argentina

    Article • Journal of Antimicrobial Chemotherapy, April 2005, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind, Dr Pablo Power

  107. Resistencia enzimática a betalactámicos en el género Proteus y evaluación de los fenotipos y genotipos de resistencia a cefalosporinas de tercera y cuarta generación en Proteus mirabilis

    Article • Enfermedades Infecciosas y Microbiología Clínica, March 2005, Elsevier

    Professor Gabriel O. Gutkind

  108. Phenotypic and genotypic characterization of macrolide resistant Streptococcus pneumoniae recovered from adult patients with community-acquired pneumonia in an Argentinian teaching hospital

    Article • International Journal of Antimicrobial Agents, March 2005, Elsevier

    Professor Gabriel O. Gutkind

  109. Chromosome-Encoded CTX-M-3 from Kluyvera ascorbata: a Possible Origin of Plasmid-Borne CTX-M-1-Derived Cefotaximases

    Article • Antimicrobial Agents and Chemotherapy, December 2004, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  110. First Class A Carbapenemase Isolated from Enterobacteriaceae in Argentina

    Article • Antimicrobial Agents and Chemotherapy, March 2004, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  111. CTX-M-12 β-Lactamase in a Klebsiella pneumoniae Clinical Isolate in Colombia

    Article • Antimicrobial Agents and Chemotherapy, February 2004, ASM Journals

    Professor Gabriel O. Gutkind

  112. Synthesis, characterization and biological activity of bis(3-Aryl-1-hexahydropyrimidinyl)methanes. Novel heterocyclic polyamine derivatives

    Article • Journal of Heterocyclic Chemistry, January 2004, Wiley

    Professor Liliana R Orelli, Professor Gabriel O. Gutkind

  113. Genetic and phenotypic characterization of resistance to macrolides in Streptococcus pyogenes from Argentina

    Article • International Journal of Antimicrobial Agents, January 2004, Elsevier

    Professor Gabriel O. Gutkind

  114. Extended-Spectrum β-Lactamases in Enterobacteriaceae in Buenos Aires, Argentina, Public Hospitals

    Article • Antimicrobial Agents and Chemotherapy, September 2003, ASM Journals

    Professor Gabriel O. Gutkind

  115. Novel Class 1 Integron (InS21) Carrying blaCTX-M-2 in Salmonella enterica Serovar Infantis

    Article • Antimicrobial Agents and Chemotherapy, July 2002, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  116. Early Dissemination of CTX-M-Derived Enzymes in South America

    Article • Antimicrobial Agents and Chemotherapy, February 2002, ASM Journals

    Professor Gabriel O. Gutkind, Dr Pablo Power

  117. Antimicrobial activity of Argentine plants used in the treatment of infectious diseases. Isolation of active compounds from Sebastiania brasiliensis

    Article • Journal of Ethnopharmacology, September 2001, Elsevier

    Professor Gabriel O. Gutkind

  118. All Detectable High-Molecular-Mass Penicillin-Binding Proteins Are Modified in a High-Level β-Lactam-Resistant Clinical Isolate of Streptococcus mitis

    Article • Antimicrobial Agents and Chemotherapy, July 2001, ASM Journals

    Professor Gabriel O. Gutkind

  119. Third-Generation Cephalosporin Resistance inShigella sonnei, Argentina

    Article • Emerging Infectious Diseases, June 2001, Centers for Disease Control and Prevention (CDC)

    Professor Gabriel O. Gutkind

  120. Third-Generation Cephalosporin Resistance inShigella sonnei, Argentina

    Article • Emerging Infectious Diseases, June 2001, Centers for Disease Control and Prevention (CDC)

    Professor Gabriel O. Gutkind

  121. Identification of a Cluster of Strains Bearing a New Adhesin among Genetically Diverse Enterotoxigenic Escherichia coli Isolates of Serogroup O20

    Article • Journal of Clinical Microbiology, February 2001, ASM Journals

    Professor Gabriel O. Gutkind

  122. Interaction of Cefotetan and the Metallo-β-Lactamases Produced in Aeromonas spp. and in vitro Activity

    Article • Chemotherapy, January 2000, Karger Publishers

    Professor Gabriel O. Gutkind

  123. Three year surveillance study of nosocomial bacterial resistance in Argentina

    Article • International Journal of Infectious Diseases, January 2000, Elsevier

    Professor Gabriel O. Gutkind

  124. Cefotaxime-Hydrolysing Beta Lactamases in Morganella morganii

    Article • European Journal of Clinical Microbiology & Infectious Diseases, November 1999, Springer Science + Business Media

    Professor Gabriel O. Gutkind

  125. Emergence in vivo of resistance to ampicillin in a clinical isolate of Enterococcus hirae

    Article • Journal of Antimicrobial Chemotherapy, October 1998, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind

  126. Comparative in-vitro activities of GD-40 and other beta-lactamase inhibitors against TEM-1 and SHV-2 beta-lactamases

    Article • Journal of Antimicrobial Chemotherapy, February 1998, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind, Dr Pablo Power

  127. Chromogenic Detection of Aminoglycoside Phosphotransferases

    Article • Antimicrobial Agents and Chemotherapy, February 1998, ASM Journals

    Professor Gabriel O. Gutkind

  128. Antimicrobial Activity ofEupatoriumSpecies Growing in Argentina

    Article • Journal of Herbs Spices & Medicinal Plants, January 1998, Taylor & Francis

    Professor Gabriel O. Gutkind

  129. An affinity chromatographic method for the preparation of bacterial lipoteichoic acids

    Article • Journal of Microbiological Methods, March 1996, Elsevier

    Professor Gabriel O. Gutkind

  130. Non-typhoid Salmonella spp. resistant to cefotaxime

    Article • Journal of Antimicrobial Chemotherapy, January 1995, Oxford University Press (OUP)

    Professor Gabriel O. Gutkind

  131. Unusual multiresistant Vibrio cholerae 01 El Tor in Argentina

    Article • The Lancet, November 1993, Elsevier

    Professor Gabriel O. Gutkind

  132. Isoenzymes in Entamoeba as Detected by Isoelectrofocusing

    Article • Zentralblatt für Bakteriologie, June 1991, Elsevier

    Professor Gabriel O. Gutkind

  133. Participation of PBP 3 in the acquisition of dicloxacillin resistance in Listeria monocytogenes

    Article • Journal of Antimicrobial Chemotherapy, January 1990, Oxford University Press (OUP)

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  134. Penicillin-binding proteins in Listeria monocytogenes

    Article • Apmis, July 1989, Wiley

    Professor Marta Mollerach, Professor Gabriel O. Gutkind

  135. Antibacterial activity of achyrocline flaccida

    Article • Journal of Ethnopharmacology, May 1984, Elsevier

    Professor Gabriel O. Gutkind

  136. before PCR... first method for discriminating aminoglycoside modifying enzymes

    Article • Springer Science + Business Media

    Professor Gabriel O. Gutkind