All Stories

  1. Re-updating the taxonomy of Kluyvera genus for a better understanding of CTX-M β-lactamase origin
  2. Crystal structure of the class A extended-spectrum β-lactamase CTX-M-96 in complex with relebactam at 1.03 Angstrom resolution
  3. Insights into the activity of cefiderocol against PER-2 producing Enterobacterales
  4. Genetic and Biochemical Characterization of AXC-2 from Achromobacter ruhlandii
  5. Diversity of genetic platforms harboring the blaPER-2 gene in Enterobacterales and insights into the role of ISPa12 in its mobilization and dissemination
  6. Biochemical and Structural Characterization of CRH-1, a Carbapenemase from Chromobacterium haemolyticum Related to KPC β-Lactamases
  7. Boronic Acid Transition State Inhibitors as Potent Inactivators of KPC and CTX-M β-Lactamases: Biochemical and Structural Analyses
  8. Outbreak of Klebsiella pneumoniae ST11 Resistant To Ceftazidime-Avibactam Producing KPC-31 and the Novel Variant KPC-115 during COVID-19 Pandemic in Argentina
  9. Redefining the Origin and Evolution of Chromosomally Encoded bla CTX-M/KLU in the Context of a Revised Taxonomy of Genus Kluyvera
  10. Editorial: Antimicrobial Resistance in Zoonotic Bacteria in Developing Countries: The Role of Food Animal Production in Public Health
  11. Antimicrobial Resistance in Zoonotic Bacteria in Developing Countries: The Role of Food Animal Production in Public Health
  12. Expansion and improvement of MALDI-TOF MS databases for accurate identification of Achromobacter species
  13. Diversity of Achromobacter species recovered from patients with cystic fibrosis, in Argentina
  14. Full characterization of an IncR plasmid harboring qnrS1 recovered from a VIM-11-producing Pseudomonas aeruginosa
  15. Phenotypic Detection of Plasmid-Mediated Colistin Resistance in Enterobacteriaceae
  16. Detection of plasmid-mediated colistin resistance by colistin pre-diffusion and inhibition with EDTA test (CPD-E) in Enterobactereaceae
  17. Changing epidemiology of KPC-producing Klebsiella pneumoniae in Argentina: Emergence of hypermucoviscous ST25 and high-risk clone ST307
  18. Structural Insights into the Inhibition of the Extended-Spectrum β-Lactamase PER-2 by Avibactam
  19. MALDI-TOF MS based procedure to detect KPC-2 directly from positive blood culture bottles and colonies
  20. Co-occurrence of clinically relevant β-lactamases and MCR-1 encoding genes in Escherichia coli from companion animals in Argentina
  21. Novel mcr-5.3 variant in a CTX-M-8-producing Escherichia coli ST711 isolated from an infected horse
  22. Characterisation of OXA-258 enzymes and AxyABM efflux pump in Achromobacter ruhlandii
  23. Simultaneous Carriage of mcr-1 and Other Antimicrobial Resistance Determinants in Escherichia coli From Poultry
  24. Characterized non-transient microbiota from stinkbug (Nezara viridula) midgut deactivates soybean chemical defenses
  25. Kluyvera strikes again: the origin for Fosfomycin resistance
  26. Fast and easy detection of CMY-2 in Escherichia coli by direct MALDI-TOF mass spectrometry
  27. 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
  28. Defining Substrate Specificity in the CTX-M Family: the Role of Asp240 in Ceftazidime Hydrolysis
  29. Complete Sequence of the IncA/C1Plasmid pCf587 CarryingblaPER-2fromCitrobacter freundii
  30. Detection and molecular characterization of Clostridium difficile ST 1 in Buenos Aires, Argentina
  31. MCR-1: rethinking the origin
  32. Identification of CfiA coding genes in Bacteroides fragilis isolates recovered in Argentina. Inconsistencies in CfiA organization and nomenclature
  33. Crystal structure and kinetic analysis of the class B3 di-zinc metallo-β-lactamase LRA-12 from an Alaskan soil metagenome
  34. Plasmid-mediated colistin resistance in Escherichia coli recovered from healthy poultry
  35. Biochemical Characterization of β-Lactamases from Mycobacterium abscessus Complex and Genetic Environment of the β-Lactamase-Encoding Gene
  36. Effective drug to fight back antibiotic resistant bacteria
  37. Impact of Mutations at Arg220 and Thr237 in PER-2 β-Lactamase on Conformation, Activity, and Susceptibility to Inhibitors
  38. First survey on antibiotic resistance markers in Enterobacteriaceae in Cochabamba, Bolivia
  39. Aerobic degradation of ibuprofen in batch and continuous reactors by an indigenous bacterial community
  40. Extended-spectrum β-lactamases, transferable quinolone resistance, and virulotyping in extra-intestinal E. coli in Uruguay
  41. Occurrence of plasmidic AmpC β-lactamase in a Salmonella Typhimurium isolate of equine origin: First report of CMY-2 in animals in Argentina
  42. Selection and identification of a bacterial community able to degrade and detoxify m-nitrophenol in continuous biofilm reactors
  43. Structural and Kinetic Insights into the “Ceftazidimase” Behavior of the Extended-Spectrum β-Lactamase CTX-M-96
  44. Detection and genetic characterization of β-lactamases in Prevotella intermedia and Prevotella nigrescens isolated from oral cavity infections and peritonsillar abscesses
  45. Antibiotic resistance and integrons in Shiga toxin-producing Escherichia coli (STEC)
  46. Detection of blaCTX-M-type genes in complex class 1 integrons carried by Enterobacteriaceae isolated from retail chicken meat in Brazil
  47. 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
  48. Multidrug resistance in Escherichia coli carrying integrons isolated from a pig farm with moderate antibiotic use
  49. Community-associated methicillin-resistant Staphylococcus aureus skin and soft tissue infections in a pediatric hospital in Argentina
  50. 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
  51. First Isolate of KPC-2-Producing Klebsiella pneumonaie Sequence Type 23 from the Americas
  52. β-lactamases produced by amoxicillin-clavulanate-resistant enterobacteria isolated in Buenos Aires, Argentina: A new blaTEM gene
  53. Genetic Environment of thelnu(B) Gene in a Streptococcus agalactiae Clinical Isolate
  54. Presence of OXA-Type Enzymes in Achromobacter insuavis and A. dolens
  55. First report of plasmid-mediated fluoroquinolone efflux pump QepA in Escherichia coli clinical isolate ST68, in South America
  56. First detection of CMY-2 plasmid mediated β-lactamase in Salmonella Heidelberg in South America
  57. Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina
  58. INQ-1, a chromosome-encoded AmpC  -lactamase from Inquilinus limosus
  59. Identification of the first blaCMY-2 gene in Salmonella enterica serovar Typhimurium isolates obtained from cases of paediatric diarrhoea illness detected in South America
  60. Biodegradation ofp-Chloroaniline and Ammonium Removal in Continuous Biofilm Reactors
  61. β-Cyclodextrin hydrogels for the ocular release of antibacterial thiosemicarbazones
  62. OXA-258 from Achromobacter ruhlandii: a Species-Specific Marker
  63. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview
  64. First clonal spread of KPC-producing Pseudomonas aeruginosa in Buenos Aires, Argentina
  65. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview
  66. β-lactamase-mediated Resistance: A Biochemical, Epidemiological and Genetic Overview
  67. Changing Epidemiology of Extended-Spectrum β-Lactamases in Argentina: Emergence of CTX-M-15
  68. Novel fragments of clavulanate observed in the structure of the class A  -lactamase from Bacillus licheniformis BS3
  69. Hyperendemic clone of KPC producing Klebsiella pneumoniae ST 258 in Buenos Aires hospitals
  70. First Human Isolate of Salmonella enterica Serotype Enteritidis HarboringblaCTX-M-14in South America
  71. First National Survey of Antibiotic Susceptibility of the Bacteroides fragilis Group: Emerging Resistance to Carbapenems in Argentina
  72. Degradation and detoxification of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) by an indigenous Delftia sp. strain in batch and continuous systems
  73. Estudio comparativo de clones de aislamientos de Staphylococcus Aureus resistentes a meticilina prevalentes en la Argentina
  74. Resistencia a carbapenemes en aislamientos de Pseudomonas aeruginosa: un ejemplo de interacción entre distintos mecanismos
  75. Prevalence and characterization of methicillin-resistant Staphylococcus aureus among healthy children in a city of Argentina
  76. Extended-spectrum  -lactamases and plasmid-mediated quinolone resistance in enterobacterial clinical isolates in the paediatric hospital of Uruguay
  77. Oxacillin- and cefoxitin-susceptible meticillin-resistant Staphylococcus aureus (MRSA)
  78. A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control
  79. A simple method to evaluate the number of bradyrhizobia on soybean seeds and its implication on inoculant quality control
  80. CTX-M-14 β-lactamase-producing Citrobacter freundii isolated in Venezuela
  81. 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
  82. Purification and Biochemical Characterization of IMP-13 Metallo-β-Lactamase
  83. Intercontinental Dissemination of IMP-13-Producing Pseudomonas aeruginosa Belonging in Sequence Type 621
  84. Novel Chromosome-Encoded CTX-M-78 β-Lactamase from a Kluyvera georgiana Clinical Isolate as a Putative Origin of CTX-M-25 Subgroup
  85. A novel OXA-10–like β-lactamase is present in different Enterobacteriaceae
  86. Full Resistance and Decreased Susceptibility to Carbapenems in IMP-13-Producing Pseudomonas aeruginosa Isolates from an Outbreak
  87. Identification of the full set of Listeria monocytogenes penicillin-binding proteins and characterization of PBPD2 (Lmo2812)
  88. Community-associated methicillin-resistant Staphylococcus aureus, eastern Argentina
  89. Characterization of Extended-Spectrum β-Lactamases in Clinical Isolates ofKlebsiella pneumoniaeandEscherichia colifrom Posadas, Misiones, Argentina
  90. Ciprofloxacin-Resistant Enterobacteria Harboring the aac(6′)-Ib-cr Variant Isolated from Feces of Inpatients in an Intensive Care Unit in Uruguay
  91. Immunobiological role of llama heavy-chain antibodies against a bacterial β-lactamase
  92. Biochemical Characterization of PER-2 and Genetic Environment of blaPER-2
  93. VIM-2–producingPseudomonas putida, Buenos Aires
  94. Characterisation of KLUA-9, a β-lactamase from extended-spectrum cephalosporin-susceptible Kluyvera ascorbata, and genetic organisation of blaKLUA-9
  95. Methicillin-resistant Staphylococcus aureus in community-acquired meningitis
  96. Biochemical and Molecular Characterization of Three New Variants of AmpC β-Lactamases from Morganella morganii
  97. New TEM-Derived Extended-Spectrum β-Lactamase and Its Genomic Context in Plasmids from Salmonella enterica Serovar Derby Isolates from Uruguay
  98. Estudio de integrones clase 1 en Salmonella aisladas en Santa Fe, Argentina
  99. Comparación de tres métodos microbiológicos para la detección de betalactamasas de espectro extendido en enterobacterias aisladas en Santa Fe (Argentina)
  100. Synthesis, spectroscopic and biological properties of bis(3-arylimidazolidinyl-1)methanes. A novel family of antimicrobial agents
  101. Transcriptional Analysis of the blaCTX-M-2 Gene in Salmonella enterica Serovar Infantis
  102. Enteropathogenic Escherichia coli Strains Carrying Genes Encoding the PER-2 and TEM-116 Extended-Spectrum  -Lactamases Isolated from Children with Diarrhea in Uruguay
  103. Low macrolide resistance in Streptococcus pyogenes in Southern Argentina
  104. Description of In116, the first blaCTX-M-2-containing complex class 1 integron found in Morganella morganii isolates from Buenos Aires, Argentina
  105. 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
  106. Phenotypic and genotypic characterization of macrolide resistant Streptococcus pneumoniae recovered from adult patients with community-acquired pneumonia in an Argentinian teaching hospital
  107. Chromosome-Encoded CTX-M-3 from Kluyvera ascorbata: a Possible Origin of Plasmid-Borne CTX-M-1-Derived Cefotaximases
  108. First Class A Carbapenemase Isolated from Enterobacteriaceae in Argentina
  109. CTX-M-12 β-Lactamase in a Klebsiella pneumoniae Clinical Isolate in Colombia
  110. Synthesis, characterization and biological activity of bis(3-Aryl-1-hexahydropyrimidinyl)methanes. Novel heterocyclic polyamine derivatives
  111. Genetic and phenotypic characterization of resistance to macrolides in Streptococcus pyogenes from Argentina
  112. Extended-Spectrum β-Lactamases in Enterobacteriaceae in Buenos Aires, Argentina, Public Hospitals
  113. Novel Class 1 Integron (InS21) Carrying blaCTX-M-2 in Salmonella enterica Serovar Infantis
  114. Early Dissemination of CTX-M-Derived Enzymes in South America
  115. Antimicrobial activity of Argentine plants used in the treatment of infectious diseases. Isolation of active compounds from Sebastiania brasiliensis
  116. All Detectable High-Molecular-Mass Penicillin-Binding Proteins Are Modified in a High-Level β-Lactam-Resistant Clinical Isolate of Streptococcus mitis
  117. Third-Generation Cephalosporin Resistance inShigella sonnei, Argentina
  118. Third-Generation Cephalosporin Resistance inShigella sonnei, Argentina
  119. Identification of a Cluster of Strains Bearing a New Adhesin among Genetically Diverse Enterotoxigenic Escherichia coli Isolates of Serogroup O20
  120. Interaction of Cefotetan and the Metallo-β-Lactamases Produced in Aeromonas spp. and in vitro Activity
  121. Three year surveillance study of nosocomial bacterial resistance in Argentina
  122. Cefotaxime-Hydrolysing Beta Lactamases in Morganella morganii
  123. Emergence in vivo of resistance to ampicillin in a clinical isolate of Enterococcus hirae
  124. Comparative in-vitro activities of GD-40 and other beta-lactamase inhibitors against TEM-1 and SHV-2 beta-lactamases
  125. Chromogenic Detection of Aminoglycoside Phosphotransferases
  126. Antimicrobial Activity ofEupatoriumSpecies Growing in Argentina
  127. An affinity chromatographic method for the preparation of bacterial lipoteichoic acids
  128. Non-typhoid Salmonella spp. resistant to cefotaxime
  129. Unusual multiresistant Vibrio cholerae 01 El Tor in Argentina
  130. Isoenzymes in Entamoeba as Detected by Isoelectrofocusing
  131. Participation of PBP 3 in the acquisition of dicloxacillin resistance in Listeria monocytogenes
  132. Penicillin-binding proteins in Listeria monocytogenes
  133. Antibacterial activity of achyrocline flaccida
  134. before PCR... first method for discriminating aminoglycoside modifying enzymes