All Stories

  1. Diversity of genetic platforms harboring the blaPER-2 gene in Enterobacterales and insights into the role of ISPa12 in its mobilization and dissemination
  2. Biochemical and Structural Characterization of CRH-1, a Carbapenemase from Chromobacterium haemolyticum Related to KPC β-Lactamases
  3. Boronic Acid Transition State Inhibitors as Potent Inactivators of KPC and CTX-M β-Lactamases: Biochemical and Structural Analyses
  4. Outbreak of Klebsiella pneumoniae ST11 Resistant To Ceftazidime-Avibactam Producing KPC-31 and the Novel Variant KPC-115 during COVID-19 Pandemic in Argentina
  5. Redefining the Origin and Evolution of Chromosomally Encoded bla CTX-M/KLU in the Context of a Revised Taxonomy of Genus Kluyvera
  6. Expansion and improvement of MALDI-TOF MS databases for accurate identification of Achromobacter species
  7. Diversity of Achromobacter species recovered from patients with cystic fibrosis, in Argentina
  8. Full characterization of an IncR plasmid harboring qnrS1 recovered from a VIM-11-producing Pseudomonas aeruginosa
  9. Phenotypic Detection of Plasmid-Mediated Colistin Resistance in Enterobacteriaceae
  10. Detection of plasmid-mediated colistin resistance by colistin pre-diffusion and inhibition with EDTA test (CPD-E) in Enterobactereaceae
  11. Changing epidemiology of KPC-producing Klebsiella pneumoniae in Argentina: Emergence of hypermucoviscous ST25 and high-risk clone ST307
  12. Structural Insights into the Inhibition of the Extended-Spectrum β-Lactamase PER-2 by Avibactam
  13. MALDI-TOF MS based procedure to detect KPC-2 directly from positive blood culture bottles and colonies
  14. Co-occurrence of clinically relevant β-lactamases and MCR-1 encoding genes in Escherichia coli from companion animals in Argentina
  15. Novel mcr-5.3 variant in a CTX-M-8-producing Escherichia coli ST711 isolated from an infected horse
  16. Characterisation of OXA-258 enzymes and AxyABM efflux pump in Achromobacter ruhlandii
  17. Simultaneous Carriage of mcr-1 and Other Antimicrobial Resistance Determinants in Escherichia coli From Poultry
  18. Characterized non-transient microbiota from stinkbug (Nezara viridula) midgut deactivates soybean chemical defenses
  19. Kluyvera strikes again: the origin for Fosfomycin resistance
  20. Fast and easy detection of CMY-2 in Escherichia coli by direct MALDI-TOF mass spectrometry
  21. 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
  22. Defining Substrate Specificity in the CTX-M Family: the Role of Asp240 in Ceftazidime Hydrolysis
  23. Complete Sequence of the IncA/C1Plasmid pCf587 CarryingblaPER-2fromCitrobacter freundii
  24. Detection and molecular characterization of Clostridium difficile ST 1 in Buenos Aires, Argentina
  25. MCR-1: rethinking the origin
  26. Identification of CfiA coding genes in Bacteroides fragilis isolates recovered in Argentina. Inconsistencies in CfiA organization and nomenclature
  27. Crystal structure and kinetic analysis of the class B3 di-zinc metallo-β-lactamase LRA-12 from an Alaskan soil metagenome
  28. Plasmid-mediated colistin resistance in Escherichia coli recovered from healthy poultry
  29. Biochemical Characterization of β-Lactamases from Mycobacterium abscessus Complex and Genetic Environment of the β-Lactamase-Encoding Gene
  30. Effective drug to fight back antibiotic resistant bacteria
  31. Impact of Mutations at Arg220 and Thr237 in PER-2 β-Lactamase on Conformation, Activity, and Susceptibility to Inhibitors
  32. First survey on antibiotic resistance markers in Enterobacteriaceae in Cochabamba, Bolivia
  33. Aerobic degradation of ibuprofen in batch and continuous reactors by an indigenous bacterial community
  34. Extended-spectrum β-lactamases, transferable quinolone resistance, and virulotyping in extra-intestinal E. coli in Uruguay
  35. Occurrence of plasmidic AmpC β-lactamase in a Salmonella Typhimurium isolate of equine origin: First report of CMY-2 in animals in Argentina
  36. Selection and identification of a bacterial community able to degrade and detoxify m-nitrophenol in continuous biofilm reactors
  37. Structural and Kinetic Insights into the “Ceftazidimase” Behavior of the Extended-Spectrum β-Lactamase CTX-M-96
  38. Detection and genetic characterization of β-lactamases in Prevotella intermedia and Prevotella nigrescens isolated from oral cavity infections and peritonsillar abscesses
  39. Antibiotic resistance and integrons in Shiga toxin-producing Escherichia coli (STEC)
  40. Detection of blaCTX-M-type genes in complex class 1 integrons carried by Enterobacteriaceae isolated from retail chicken meat in Brazil
  41. 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
  42. Multidrug resistance in Escherichia coli carrying integrons isolated from a pig farm with moderate antibiotic use
  43. Community-associated methicillin-resistant Staphylococcus aureus skin and soft tissue infections in a pediatric hospital in Argentina
  44. 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
  45. First Isolate of KPC-2-Producing Klebsiella pneumonaie Sequence Type 23 from the Americas
  46. β-lactamases produced by amoxicillin-clavulanate-resistant enterobacteria isolated in Buenos Aires, Argentina: A new blaTEM gene
  47. Genetic Environment of thelnu(B) Gene in a Streptococcus agalactiae Clinical Isolate
  48. Presence of OXA-Type Enzymes in Achromobacter insuavis and A. dolens
  49. First report of plasmid-mediated fluoroquinolone efflux pump QepA in Escherichia coli clinical isolate ST68, in South America
  50. First detection of CMY-2 plasmid mediated β-lactamase in Salmonella Heidelberg in South America
  51. Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina
  52. INQ-1, a chromosome-encoded AmpC  -lactamase from Inquilinus limosus
  53. Identification of the first blaCMY-2 gene in Salmonella enterica serovar Typhimurium isolates obtained from cases of paediatric diarrhoea illness detected in South America
  54. Biodegradation ofp-Chloroaniline and Ammonium Removal in Continuous Biofilm Reactors
  55. β-Cyclodextrin hydrogels for the ocular release of antibacterial thiosemicarbazones
  56. OXA-258 from Achromobacter ruhlandii: a Species-Specific Marker
  57. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview
  58. First clonal spread of KPC-producing Pseudomonas aeruginosa in Buenos Aires, Argentina
  59. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview
  60. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview
  61. Changing Epidemiology of Extended-Spectrum β-Lactamases in Argentina: Emergence of CTX-M-15
  62. Novel fragments of clavulanate observed in the structure of the class A  -lactamase from Bacillus licheniformis BS3
  63. Hyperendemic clone of KPC producing Klebsiella pneumoniae ST 258 in Buenos Aires hospitals
  64. First Human Isolate of Salmonella enterica Serotype Enteritidis HarboringblaCTX-M-14in South America
  65. First National Survey of Antibiotic Susceptibility of the Bacteroides fragilis Group: Emerging Resistance to Carbapenems in Argentina
  66. Degradation and detoxification of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) by an indigenous Delftia sp. strain in batch and continuous systems
  67. Estudio comparativo de clones de aislamientos de Staphylococcus Aureus resistentes a meticilina prevalentes en la Argentina
  68. Resistencia a carbapenemes en aislamientos de Pseudomonas aeruginosa: un ejemplo de interacción entre distintos mecanismos
  69. Prevalence and characterization of methicillin-resistant Staphylococcus aureus among healthy children in a city of Argentina
  70. Extended-spectrum  -lactamases and plasmid-mediated quinolone resistance in enterobacterial clinical isolates in the paediatric hospital of Uruguay
  71. Oxacillin- and cefoxitin-susceptible meticillin-resistant Staphylococcus aureus (MRSA)
  72. A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control
  73. A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control
  74. CTX-M-14 β-lactamase-producing Citrobacter freundii isolated in Venezuela
  75. 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
  76. Purification and Biochemical Characterization of IMP-13 Metallo-β-Lactamase
  77. Intercontinental Dissemination of IMP-13-Producing Pseudomonas aeruginosa Belonging in Sequence Type 621
  78. Novel Chromosome-Encoded CTX-M-78 β-Lactamase from a Kluyvera georgiana Clinical Isolate as a Putative Origin of CTX-M-25 Subgroup
  79. A novel OXA-10–like β-lactamase is present in different Enterobacteriaceae
  80. Full Resistance and Decreased Susceptibility to Carbapenems in IMP-13-Producing Pseudomonas aeruginosa Isolates from an Outbreak
  81. Identification of the full set of Listeria monocytogenes penicillin-binding proteins and characterization of PBPD2 (Lmo2812)
  82. Community-associated methicillin-resistant Staphylococcus aureus, eastern Argentina
  83. Characterization of Extended-Spectrum β-Lactamases in Clinical Isolates ofKlebsiella pneumoniaeandEscherichia colifrom Posadas, Misiones, Argentina
  84. Ciprofloxacin-Resistant Enterobacteria Harboring the aac(6′)-Ib-cr Variant Isolated from Feces of Inpatients in an Intensive Care Unit in Uruguay
  85. Immunobiological role of llama heavy-chain antibodies against a bacterial β-lactamase
  86. Biochemical Characterization of PER-2 and Genetic Environment of blaPER-2
  87. VIM-2–producingPseudomonas putida, Buenos Aires
  88. Characterisation of KLUA-9, a β-lactamase from extended-spectrum cephalosporin-susceptible Kluyvera ascorbata, and genetic organisation of blaKLUA-9
  89. Methicillin-resistant Staphylococcus aureus in community-acquired meningitis
  90. Biochemical and Molecular Characterization of Three New Variants of AmpC β-Lactamases from Morganella morganii
  91. New TEM-Derived Extended-Spectrum β-Lactamase and Its Genomic Context in Plasmids from Salmonella enterica Serovar Derby Isolates from Uruguay
  92. Estudio de integrones clase 1 en Salmonella aisladas en Santa Fe, Argentina
  93. Comparación de tres métodos microbiológicos para la detección de betalactamasas de espectro extendido en enterobacterias aisladas en Santa Fe (Argentina)
  94. Synthesis, spectroscopic and biological properties of bis(3-arylimidazolidinyl-1)methanes. A novel family of antimicrobial agents
  95. Transcriptional Analysis of the blaCTX-M-2 Gene in Salmonella enterica Serovar Infantis
  96. Enteropathogenic Escherichia coli Strains Carrying Genes Encoding the PER-2 and TEM-116 Extended-Spectrum  -Lactamases Isolated from Children with Diarrhea in Uruguay
  97. Low macrolide resistance in Streptococcus pyogenes in Southern Argentina
  98. Description of In116, the first blaCTX-M-2-containing complex class 1 integron found in Morganella morganii isolates from Buenos Aires, Argentina
  99. 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
  100. Phenotypic and genotypic characterization of macrolide resistant Streptococcus pneumoniae recovered from adult patients with community-acquired pneumonia in an Argentinian teaching hospital
  101. Chromosome-Encoded CTX-M-3 from Kluyvera ascorbata: a Possible Origin of Plasmid-Borne CTX-M-1-Derived Cefotaximases
  102. First Class A Carbapenemase Isolated from Enterobacteriaceae in Argentina
  103. CTX-M-12 β-Lactamase in a Klebsiella pneumoniae Clinical Isolate in Colombia
  104. Synthesis, characterization and biological activity of bis(3-Aryl-1-hexahydropyrimidinyl)methanes. Novel heterocyclic polyamine derivatives
  105. Genetic and phenotypic characterization of resistance to macrolides in Streptococcus pyogenes from Argentina
  106. Extended-Spectrum β-Lactamases in Enterobacteriaceae in Buenos Aires, Argentina, Public Hospitals
  107. Novel Class 1 Integron (InS21) Carrying blaCTX-M-2 in Salmonella enterica Serovar Infantis
  108. Early Dissemination of CTX-M-Derived Enzymes in South America
  109. Antimicrobial activity of Argentine plants used in the treatment of infectious diseases. Isolation of active compounds from Sebastiania brasiliensis
  110. All Detectable High-Molecular-Mass Penicillin-Binding Proteins Are Modified in a High-Level β-Lactam-Resistant Clinical Isolate of Streptococcus mitis
  111. Third-Generation Cephalosporin Resistance inShigella sonnei, Argentina
  112. Third-Generation Cephalosporin Resistance inShigella sonnei, Argentina
  113. Identification of a Cluster of Strains Bearing a New Adhesin among Genetically Diverse Enterotoxigenic Escherichia coli Isolates of Serogroup O20
  114. Interaction of Cefotetan and the Metallo-β-Lactamases Produced in Aeromonas spp. and in vitro Activity
  115. Three year surveillance study of nosocomial bacterial resistance in Argentina
  116. Cefotaxime-Hydrolysing Beta Lactamases in Morganella morganii
  117. Emergence in vivo of resistance to ampicillin in a clinical isolate of Enterococcus hirae
  118. Comparative in-vitro activities of GD-40 and other beta-lactamase inhibitors against TEM-1 and SHV-2 beta-lactamases
  119. Antimicrobial Activity ofEupatoriumSpecies Growing in Argentina
  120. An affinity chromatographic method for the preparation of bacterial lipoteichoic acids
  121. Non-typhoid Salmonella spp. resistant to cefotaxime
  122. Unusual multiresistant Vibrio cholerae 01 El Tor in Argentina
  123. Isoenzymes in Entamoeba as Detected by Isoelectrofocusing
  124. Participation of PBP 3 in the acquisition of dicloxacillin resistance in Listeria monocytogenes
  125. Penicillin-binding proteins in Listeria monocytogenes
  126. Antibacterial activity of achyrocline flaccida
  127. before PCR... first method for discriminating aminoglycoside modifying enzymes