All Stories

  1. High Prevalence of Multidrug-Resistant Haemolytic Escherichia coli in Colombian Pig Farms

    Article • Antibiotics, January 2026, MDPI AG

    Professor Luca Guardabassi

  2. Evolving landscape of methicillin-resistant Staphylococcus pseudintermedius: the emergence of new epidemic waves across Europe, Asia and North America

    Article • Journal of Antimicrobial Chemotherapy, September 2025, Oxford University Press (OUP)

    Professor Luca Guardabassi

  3. Occurrence and clinical outcomes of bacteriuria in 9 cats affected by neurogenic bladder: a retrospective cases series (2021–2024)

    Article • Journal of the American Veterinary Medical Association, September 2025, American Veterinary Medical Association (AVMA)

    Professor Luca Guardabassi

  4. Chromosomal genes modulating fosfomycin susceptibility in uropathogenic Escherichia coli : a genome-wide analysis

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

    Professor Luca Guardabassi

  5. The intrinsic macrolide resistome of Escherichia coli

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

    Professor Luca Guardabassi

  6. Genetic background of neomycin resistance in clinical Escherichia coli isolated from Danish pig farms

    Article • Applied and Environmental Microbiology, October 2023, ASM Journals

    Professor Luca Guardabassi

  7. Prevalence and Types of Extended-Spectrum β-Lactamase-Producing Bacteria in Retail Seafood

    Article • Foods, August 2023, MDPI AG

    Professor Luca Guardabassi

  8. Dogs Can Be Reservoirs of Escherichia coli Strains Causing Urinary Tract Infection in Human Household Contacts

    Article • Antibiotics, August 2023, MDPI AG

    Professor Luca Guardabassi

  9. 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

  10. Macrolide Resistance and In Vitro Potentiation by Peptidomimetics in Porcine Clinical Escherichia coli

    Article • mSphere, October 2022, ASM Journals

    Professor Luca Guardabassi

  11. Towards a Better and Harmonized Education in Antimicrobial Stewardship in European Veterinary Curricula

    Article • Antibiotics, March 2021, MDPI AG

    Professor Luca Guardabassi

  12. Dogs are carriers of Clostridioides difficile lineages associated with human community-acquired infections

    Article • Anaerobe, February 2021, Elsevier

    Professor Luca Guardabassi

  13. The porcine respiratory microbiome: recent insights and future challenges

    Article • Animal Microbiome, January 2021, Springer Science + Business Media

    Professor Luca Guardabassi

  14. One Health: a multifaceted concept combining diverse approaches to prevent and control antimicrobial resistance

    Article • Clinical Microbiology and Infection, December 2020, Elsevier

    Professor Luca Guardabassi

  15. A one health framework to estimate the cost of antimicrobial resistance

    Article • Antimicrobial Resistance and Infection Control, November 2020, Springer Science + Business Media

    Professor Luca Guardabassi

  16. Local and Transboundary Transmissions of Methicillin-Resistant Staphylococcus aureus Sequence Type 398 through Pig Trading

    Article • Applied and Environmental Microbiology, June 2020, ASM Journals

    Raphael Niklaus Sieber, Professor Luca Guardabassi

  17. The World Small Animal Veterinary Association (WSAVA)

    Article • Journal of Small Animal Practice, June 2020, Wiley

    Professor Luca Guardabassi

  18. Global responses to oxytetracycline treatment in tetracycline-resistant Escherichia coli

    Article • Scientific Reports, May 2020, Springer Science + Business Media

    Professor Luca Guardabassi

  19. Indications for the use of highest priority critically important antimicrobials in the veterinary sector

    Article • Journal of Antimicrobial Chemotherapy, April 2020, Oxford University Press (OUP)

    Professor Luca Guardabassi

  20. EUCAST disc diffusion criteria for the detection of mecA-Mediated β-lactam resistance in Staphylococcus pseudintermedius: oxacillin versus cefoxitin

    Article • Clinical Microbiology and Infection, January 2020, Elsevier

    Professor Luca Guardabassi

  21. Specific staphylococcal cassette chromosome mec (SCCmec) types and clonal complexes are associated with low-level amoxicillin/clavulanic acid and cefalotin resistance in methicillin-resistant Staphylococcus pseudintermedius

    Article • Journal of Antimicrobial Chemotherapy, December 2019, Oxford University Press (OUP)

    Professor Luca Guardabassi

  22. Impact of oral amoxicillin and amoxicillin/clavulanic acid treatment on bacterial diversity and β-lactam resistance in the canine faecal microbiota

    Article • Journal of Antimicrobial Chemotherapy, November 2019, Oxford University Press (OUP)

    Professor Luca Guardabassi

  23. Carprofen-induced depletion of proton motive force reverses TetK-mediated doxycycline resistance in methicillin-resistant Staphylococcus pseudintermedius

    Article • Scientific Reports, November 2019, Springer Science + Business Media

    Professor Luca Guardabassi

  24. Repurposing Azithromycin and Rifampicin Against Gram-Negative Pathogens by Combination With Peptidomimetics

    Article • Frontiers in Cellular and Infection Microbiology, July 2019, Frontiers

    Professor Luca Guardabassi

  25. High Prevalence of USA300 Among Clinical Isolates of Methicillin-Resistant Staphylococcus aureus on St. Kitts and Nevis, West Indies

    Article • Frontiers in Microbiology, June 2019, Frontiers

    Professor Luca Guardabassi

  26. Publisher Correction: Characterization, mechanism of action and optimization of activity of a novel peptide-peptoid hybrid against bacterial pathogens involved in canine skin infections

    Article • Scientific Reports, June 2019, Springer Science + Business Media

    Professor Luca Guardabassi

  27. Repurposing azithromycin and rifampicin against Gram-negative pathogens by combination with peptide potentiators

    Article • International Journal of Antimicrobial Agents, June 2019, Elsevier

    Professor Luca Guardabassi

  28. Fate of CMY-2-Encoding Plasmids Introduced into the Human Fecal Microbiota by Exogenous Escherichia coli

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

    Professor Luca Guardabassi

  29. International Society for Companion Animal Infectious Diseases (ISCAID) guidelines for the diagnosis and management of bacterial urinary tract infections in dogs and cats

    Article • The Veterinary Journal, May 2019, Elsevier

    Professor Luca Guardabassi

  30. Structure–Activity Study, Characterization, and Mechanism of Action of an Antimicrobial Peptoid D2 and Its d- and l-Peptide Analogues

    Article • Molecules, March 2019, MDPI AG

    Professor Luca Guardabassi

  31. Characterization, mechanism of action and optimization of activity of a novel peptide-peptoid hybrid against bacterial pathogens involved in canine skin infections

    Article • Scientific Reports, March 2019, Springer Science + Business Media

    Professor Luca Guardabassi

  32. Isolation and characterization of bacteriophages active against methicillin-resistant Staphylococcus pseudintermedius

    Article • Research in Veterinary Science, February 2019, Elsevier

    Professor Luca Guardabassi

  33. Transcriptome analysis of extended-spectrum β-lactamase-producing Escherichia coli and methicillin-resistant Staphylococcus aureus exposed to cefotaxime

    Article • Scientific Reports, October 2018, Springer Science + Business Media

    Professor Luca Guardabassi

  34. A culture-independent method for studying transfer of IncI1 plasmids from wild-type Escherichia coli in complex microbial communities

    Article • Journal of Microbiological Methods, September 2018, Elsevier

    Professor Luca Guardabassi

  35. DNA Damage Repair and Drug Efflux as Potential Targets for Reversing Low or Intermediate Ciprofloxacin Resistance in E. coli K-12

    Article • Frontiers in Microbiology, July 2018, Frontiers

    Professor Luca Guardabassi

  36. Corrigendum to ‘Panton-Valentine Leucocidin (PVL) Staphylococcus aureus a position statement from the International Society of Chemotherapy’ [International Journal of Antimicrobial Agents 51/1 (2018) 16-25]

    Article • International Journal of Antimicrobial Agents, July 2018, Elsevier

    Professor Luca Guardabassi

  37. Optimization of Antimicrobial Treatment to Minimize Resistance Selection

    Article • Microbiology Spectrum, June 2018, ASM Journals

    Professor Luca Guardabassi

  38. Diversity of Staphylococcus pseudintermedius in carriage sites and skin lesions of dogs with superficial bacterial folliculitis: potential implications for diagnostic testing and therapy

    Article • Veterinary Dermatology, May 2018, Wiley

    Professor Luca Guardabassi

  39. High diversity of genes and plasmids encoding resistance to third-generation cephalosporins and quinolones in clinical Escherichia coli from commercial poultry flocks in Italy

    Article • Veterinary Microbiology, March 2018, Elsevier

    Professor Luca Guardabassi

  40. The role of ‘filth flies’ in the spread of antimicrobial resistance

    Article • Travel Medicine and Infectious Disease, March 2018, Elsevier

    Professor Luca Guardabassi

  41. Effects of Diagnostic Work-Up on Medical Decision-Making for Canine Urinary Tract Infection: An Observational Study in Danish Small Animal Practices

    Article • Journal of Veterinary Internal Medicine, February 2018, Wiley

    Professor Luca Guardabassi

  42. Response to “A concern with the clinical consensus guidelines on meticillin‐resistant staphylococci,” a letter in Veterinary Dermatology 2018; 29: 174

    Article • Veterinary Dermatology, January 2018, Wiley

    Professor Luca Guardabassi

  43. Panton–Valentine leukocidin-positive Staphylococcus aureus : a position statement from the International Society of Chemotherapy

    Article • International Journal of Antimicrobial Agents, January 2018, Elsevier

    Professor Luca Guardabassi

  44. Frequency, antimicrobial susceptibility and clonal distribution of methicillin-resistant Staphylococcus pseudintermedius in canine clinical samples submitted to a veterinary diagnostic laboratory in Italy: A 3-year retrospective investigation

    Article • Veterinary Microbiology, November 2017, Elsevier

    Professor Luca Guardabassi

  45. Genome and Plasmid Sequences of Escherichia coli KV7, an Extended-Spectrum β-Lactamase Isolate Derived from Feces of a Healthy Pig

    Article • Genome Announcements, September 2017, ASM Journals

    Professor Luca Guardabassi

  46. Antimicrobial resistance in clinical Escherichia coli isolates from poultry and livestock, China

    Article • PLOS One, September 2017, PLOS

    Professor Luca Guardabassi

  47. Diagnostic microbiology in veterinary dermatology: present and future

    Article • June 2017, Wiley

    Professor Luca Guardabassi

  48. Comparison of the fecal bacterial microbiota of healthy and diarrheic foals at two and four weeks of life

    Article • BMC Veterinary Research, May 2017, Springer Science + Business Media

    Professor Luca Guardabassi

  49. Recommendations for approaches to meticillin-resistant staphylococcal infections of small animals: diagnosis, therapeutic considerations and preventative measures.

    Article • Veterinary Dermatology, May 2017, Wiley

    Professor Luca Guardabassi, Daniel Morris

  50. Evidence for the evolutionary steps leading to mecA-mediated β-lactam resistance in staphylococci

    Article • PLoS Genetics, April 2017, PLOS

    Professor Luca Guardabassi

  51. Evolutionary Origin of the Staphylococcal Cassette Chromosome mec (SCCmec)

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

    Professor Luca Guardabassi

  52. Danish horses MRSA CC398 and other strains of Staphylococcus aureus.

    Article • Frontiers in Microbiology, April 2017, Frontiers

    Professor Luca Guardabassi, Raphael Niklaus Sieber

  53. The secondary resistome of multidrug-resistant Klebsiella pneumoniae

    Article • Scientific Reports, February 2017, Nature

    Professor Luca Guardabassi

  54. Antimicrobial use Guidelines for Treatment of Respiratory Tract Disease in Dogs and Cats: Antimicrobial Guidelines Working Group of the International Society for Companion Animal Infectious Diseases

    Article • Journal of Veterinary Internal Medicine, February 2017, Wiley

    Professor Luca Guardabassi

  55. Diagnostic microbiology in veterinary dermatology: present and future

    Article • Veterinary Dermatology, January 2017, Wiley

    Professor Luca Guardabassi

  56. Antimicrobial resistance: a global threat with remarkable geographical differences

    Article • New Zealand Veterinary Journal, January 2017, Taylor & Francis

    Professor Luca Guardabassi

  57. Expanding the Repertoire of Carbapenem-Hydrolyzing Metallo-ß-Lactamases by Functional Metagenomic Analysis of Soil Microbiota

    Article • Frontiers in Microbiology, December 2016, Frontiers

    Professor Luca Guardabassi

  58. Macromolecule Biosynthesis Assay and Fluorescence Spectroscopy Methods to Explore Antimicrobial Peptide Mode(s) of Action

    Article • December 2016, Springer Science + Business Media

    Professor Luca Guardabassi

  59. Cephem Potentiation by Inactivation of Nonessential Genes Involved in Cell Wall Biogenesis of β-Lactamase-Producing Escherichia coli

    Article • Antimicrobial Agents and Chemotherapy, December 2016, ASM Journals

    Professor Luca Guardabassi

  60. Evaluation of Veterinary-Specific Interpretive Criteria for Susceptibility Testing of Streptococcus equi Subspecies with Trimethoprim-Sulfamethoxazole and Trimethoprim-Sulfadiazine

    Article • Journal of Clinical Microbiology, November 2016, ASM Journals

    Dr. Jeffrey L Watts, Professor Luca Guardabassi

  61. Systematic Review on Global Epidemiology of Methicillin-Resistant Staphylococcus pseudintermedius: Inference of Population Structure from Multilocus Sequence Typing Data

    Article • Frontiers in Microbiology, October 2016, Frontiers

    Professor Luca Guardabassi

  62. Evaluation of different sampling methods and criteria for diagnosing canine urinary tract infection by quantitative bacterial culture

    Article • The Veterinary Journal, October 2016, Elsevier

    Professor Luca Guardabassi

  63. European multicenter study on antimicrobial resistance in bacteria isolated from companion animal urinary tract infections

    Article • BMC Veterinary Research, September 2016, Springer Science + Business Media

    Professor Luca Guardabassi

  64. Differential Analysis of the Nasal Microbiome of Pig Carriers or Non-Carriers of Staphylococcus aureus

    Article • PLOS One, August 2016, PLOS

    Professor Luca Guardabassi

  65. A High-Throughput Approach To Identify Compounds That Impair Envelope Integrity in Escherichia coli

    Article • Antimicrobial Agents and Chemotherapy, July 2016, ASM Journals

    Professor Luca Guardabassi

  66. Bacterial Zoonoses Transmitted by Household Pets: State-of-the-Art and Future Perspectives for Targeted Research and Policy Actions

    Article • Journal of Comparative Pathology, July 2016, Elsevier

    Professor Luca Guardabassi

  67. High genotypic diversity among methicillin-resistant Staphylococcus pseudintermedius isolated from canine infections in Denmark

    Article • BMC Veterinary Research, June 2016, Springer Science + Business Media

    Professor Luca Guardabassi

  68. Antimicrobial synergy between carprofen and doxycycline against methicillin-resistant Staphylococcus pseudintermedius ST71

    Article • BMC Veterinary Research, June 2016, Springer Science + Business Media

    Professor Luca Guardabassi

  69. Adaptive responses to cefotaxime treatment in ESBL-producingEscherichia coliand the possible use of significantly regulated pathways as novel secondary targets

    Article • Journal of Antimicrobial Chemotherapy, June 2016, Oxford University Press (OUP)

    Professor Luca Guardabassi

  70. Host-Specific Patterns of Genetic Diversity among IncI1-Iγ and IncK Plasmids Encoding CMY-2 β-Lactamase in Escherichia coli Isolates from Humans, Poultry Meat, Poultry, and Dogs in Denmark

    Article • Applied and Environmental Microbiology, May 2016, ASM Journals

    Professor Luca Guardabassi

  71. Erratum for Gudeta et al., The Soil Microbiota Harbors a Diversity of Carbapenem-Hydrolyzing β-Lactamases of Potential Clinical Relevance

    Article • Antimicrobial Agents and Chemotherapy, March 2016, ASM Journals

    Professor Luca Guardabassi

  72. Relation between tetR and tetA expression in tetracycline resistant Escherichia coli

    Article • BMC Microbiology, March 2016, Springer Science + Business Media

    Professor Luca Guardabassi

  73. spa typing and antimicrobial resistance of Staphylococcus aureus from healthy humans, pigs and dogs in Tanzania

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

    Professor Luca Guardabassi

  74. Chromobacteriumspp. harbour Ambler class A β-lactamases showing high identity with KPC

    Article • Journal of Antimicrobial Chemotherapy, February 2016, Oxford University Press (OUP)

    Professor Luca Guardabassi

  75. Human health risks associated with antimicrobial-resistant enterococci and Staphylococcus aureus on poultry meat

    Article • Clinical Microbiology and Infection, February 2016, Elsevier

    Professor Luca Guardabassi

  76. Biochemical Characterization of CPS-1, a Subclass B3 Metallo-β-Lactamase from a Chryseobacterium piscium Soil Isolate

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

    Professor Luca Guardabassi

  77. Quantitative assessment of faecal shedding of β-lactam-resistant Escherichia coli and enterococci in dogs

    Article • Veterinary Microbiology, December 2015, Elsevier

    Professor Luca Guardabassi

  78. The longitudinal effect of a multi-strain probiotic on the intestinal bacterial microbiota of neonatal foals

    Article • Equine Veterinary Journal, November 2015, Wiley

    Professor Luca Guardabassi

  79. Genome-wide association study reveals a locus for nasal carriage of Staphylococcus aureus in Danish crossbred pigs

    Article • BMC Veterinary Research, November 2015, Springer Science + Business Media

    Professor Luca Guardabassi

  80. CTX-M-1 and CTX-M-15-producing Escherichia coli in dog faeces from public gardens

    Article • Acta Veterinaria Scandinavica, November 2015, Springer Science + Business Media

    Professor Luca Guardabassi

  81. Optimization and evaluation of Flexicult® Vet for detection, identification and antimicrobial susceptibility testing of bacterial uropathogens in small animal veterinary practice

    Article • Acta Veterinaria Scandinavica, October 2015, Springer Science + Business Media

    Professor Luca Guardabassi

  82. The Soil Microbiota Harbors a Diversity of Carbapenem-Hydrolyzing β-Lactamases of Potential Clinical Relevance

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

    Professor Luca Guardabassi

  83. Effectiveness of a combined (4% chlorhexidine digluconate shampoo and solution) protocol in MRS and non-MRS canine superficial pyoderma: a randomized, blinded, antibiotic-controlled study

    Article • Veterinary Dermatology, July 2015, Wiley

    Professor Luca Guardabassi

  84. Limited similarity between plasmids encoding CTX-M-1 β-lactamase in Escherichia coli from humans, pigs, cattle, organic poultry layers and horses in Denmark

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

    Professor Luca Guardabassi

  85. Effect of a Probiotic on Prevention of Diarrhea and Clostridium difficile and Clostridium perfringens Shedding in Foals

    Article • Journal of Veterinary Internal Medicine, April 2015, Wiley

    Professor Luca Guardabassi

  86. Lincosamide resistance is less frequent in Denmark inStaphylococcus pseudintermediusfrom first-time canine superficial pyoderma compared with skin isolates from clinical samples with unknown clinical background

    Article • Veterinary Dermatology, April 2015, Wiley

    Professor Luca Guardabassi

  87. ACVIM Consensus Statement on Therapeutic Antimicrobial Use in Animals and Antimicrobial Resistance

    Article • Journal of Veterinary Internal Medicine, March 2015, Wiley

    Professor Luca Guardabassi

  88. Prioritization of Companion Animal Transmissible Diseases for Policy Intervention in Europe

    Article • Journal of Comparative Pathology, March 2015, Elsevier

    Dr Apostolos T. Rantsios, Professor Luca Guardabassi

  89. Antimicrobial Stewardship in Small Animal Veterinary Practice

    Article • Veterinary Clinics of North America Small Animal Practice, March 2015, Elsevier

    Professor Luca Guardabassi

  90. Effect of antibiotic treatment in canine and feline urinary tract infections: A systematic review

    Article • The Veterinary Journal, March 2015, Elsevier

    Professor Luca Guardabassi

  91. Methicillin-resistant Staphylococcus aureus strains from Ghana include USA300

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

    Professor Luca Guardabassi

  92. MRSA carrying mecC in captive mara

    Article • Journal of Antimicrobial Chemotherapy, February 2015, Oxford University Press (OUP)

    Professor Luca Guardabassi

  93. Persistence of Vancomycin Resistance in Multiple Clones of Enterococcus faecium Isolated from Danish Broilers 15 Years after the Ban of Avoparcin

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

    Professor Luca Guardabassi

  94. In vitroassessment of chloramphenicol and florfenicol as second-line antimicrobial agents in dogs

    Article • Journal of Veterinary Pharmacology and Therapeutics, January 2015, Wiley

    Professor Luca Guardabassi

  95. Individual Predisposition to Staphylococcus aureus Colonization in Pigs on the Basis of Quantification, Carriage Dynamics, and Serological Profiles

    Article • Applied and Environmental Microbiology, December 2014, ASM Journals

    Professor Luca Guardabassi

  96. Zoonotic Transmission of Antimicrobial Resistant Enterococci: A Threat to Public Health or an Overemphasised Risk?

    Article • December 2014, Springer Science + Business Media

    Professor Luca Guardabassi

  97. Large Outbreak Caused by Methicillin Resistant Staphylococcus pseudintermedius ST71 in a Finnish Veterinary Teaching Hospital – From Outbreak Control to Outbreak Prevention

    Article • PLOS One, October 2014, PLOS

    Professor Luca Guardabassi

  98. Author's response: Critique of paper on ‘Effects of tetracycline and zinc on selection of methicillin-resistant Staphylococcus aureus (MRSA) sequence type 398 in pigs’

    Article • Veterinary Microbiology, October 2014, Elsevier

    Professor Luca Guardabassi

  99. Probiotic Use in Horses - What is the Evidence for Their Clinical Efficacy?

    Article • Journal of Veterinary Internal Medicine, September 2014, Wiley

    Professor Luca Guardabassi

  100. CTX-M-1 β-lactamase expression in Escherichia coli is dependent on cefotaxime concentration, growth phase and gene location

    Article • Journal of Antimicrobial Chemotherapy, September 2014, Oxford University Press (OUP)

    Professor Luca Guardabassi

  101. Strain Diversity of CTX-M-Producing Enterobacteriaceae in Individual Pigs: Insights into the Dynamics of Shedding during the Production Cycle

    Article • Applied and Environmental Microbiology, August 2014, ASM Journals

    Professor Luca Guardabassi

  102. Response to letter from J Mottet “Comments on the ISCAID Guidelines on the use of antimicrobial therapies in canine superficial bacterial folliculitis”

    Article • Veterinary Dermatology, August 2014, Wiley

    Professor Luca Guardabassi

  103. Phenotypes and Genotypes of Old and Contemporary Porcine Strains Indicate a Temporal Change in the S. aureus Population Structure in Pigs

    Article • PLOS One, July 2014, PLOS

    Professor Freddy Haesebrouck, Professor Luca Guardabassi

  104. Complete sequences of IncHI1 plasmids carrying blaCTX-M-1 and qnrS1 in equine Escherichia coli provide new insights into plasmid evolution

    Article • Journal of Antimicrobial Chemotherapy, May 2014, Oxford University Press (OUP)

    Professor Luca Guardabassi

  105. Minocycline pharmacokinetics and pharmacodynamics in dogs: dosage recommendations for treatment of meticillin-resistant Staphylococcus pseudintermedius infections

    Article • Veterinary Dermatology, May 2014, Wiley

    Professor Luca Guardabassi

  106. Rapid identification of Stenotrophomonas maltophilia by peptide nucleic acid fluorescence in situ hybridization

    Article • New Microbes and New Infections, May 2014, Elsevier

    Professor Luca Guardabassi

  107. Insights into Nasal Carriage of Staphylococcus aureus in an Urban and a Rural Community in Ghana

    Article • PLOS One, April 2014, PLOS

    Professor Luca Guardabassi

  108. Guidelines for the diagnosis and antimicrobial therapy of canine superficial bacterial folliculitis (Antimicrobial Guidelines Working Group of the International Society for Companion Animal Infectious Diseases)

    Article • Veterinary Dermatology, April 2014, Wiley

    Professor Luca Guardabassi

  109. Molecular Epidemiology and Antimicrobial Susceptibility of Clinical Staphylococcus aureus from Healthcare Institutions in Ghana

    Article • PLOS One, February 2014, PLOS

    Professor Luca Guardabassi

  110. High diversity of plasmids harbouring blaCMY-2 among clinical Escherichia coli isolates from humans and companion animals in the upper Midwestern USA

    Article • Journal of Antimicrobial Chemotherapy, February 2014, Oxford University Press (OUP)

    Professor Luca Guardabassi

  111. Enhanced adherence of methicillin-resistant Staphylococcus pseudintermedius sequence type 71 to canine and human corneocytes

    Article • Veterinary Research, January 2014, Springer Science + Business Media

    Professor Luca Guardabassi

  112. Sixty years of antimicrobial use in animals: what is next?

    Article • Veterinary Record, December 2013, BMJ

    Professor Luca Guardabassi

  113. vanO, a New Glycopeptide Resistance Operon in Environmental Rhodococcus equi Isolates

    Article • Antimicrobial Agents and Chemotherapy, December 2013, ASM Journals

    Professor Luca Guardabassi

  114. Prevalence of nasal carriage and diversity of Staphylococcus aureus among inpatients and hospital staff at Korle Bu Teaching Hospital, Ghana

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

    Professor Luca Guardabassi

  115. Dam-to-offspring transmission and persistence ofStaphylococcus pseudintermediusclones within dog families

    Article • Veterinary Dermatology, November 2013, Wiley

    Professor Luca Guardabassi

  116. Pharmacodynamics of Doxycycline and Tetracycline against Staphylococcus pseudintermedius: Proposal of Canine-Specific Breakpoints for Doxycycline

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

    Professor Luca Guardabassi

  117. Public health impact and antimicrobial selection of meticillin-resistant staphylococci in animals

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

    Professor Luca Guardabassi

  118. Carriage frequency, diversity and methicillin resistance of Staphylococcus aureus in Danish small ruminants

    Article • Veterinary Microbiology, April 2013, Elsevier

    Professor Luca Guardabassi

  119. In vitro inhibition of Clostridium difficile and Clostridium perfringens by commercial probiotic strains

    Article • Anaerobe, April 2013, Elsevier

    Professor Luca Guardabassi

  120. Genome Sequence of Staphylococcus pseudintermedius Strain E140, an ST71 European-Associated Methicillin-Resistant Isolate

    Article • Genome Announcements, March 2013, ASM Journals

    Professor Luca Guardabassi

  121. Bacterial Flora and Antimicrobial Resistance in Raw Frozen Cultured Seafood Imported to Denmark

    Article • Journal of Food Protection, March 2013, International Association for Food Protection

    Professor Luca Guardabassi

  122. Carriage and Fecal Counts of CTX-M-Producing Escherichia coli in Pigs: a Longitudinal Study

    Article • Applied and Environmental Microbiology, February 2013, ASM Journals

    Professor Luca Guardabassi

  123. In vitro adherence of Staphylococcus pseudintermedius to canine corneocytes is influenced by colonization status of corneocyte donors

    Article • Veterinary Research, January 2013, Springer Science + Business Media

    Professor Luca Guardabassi

  124. Colonization of Butchers with Livestock-Associated Methicillin-ResistantStaphylococcus aureus

    Article • Zoonoses and Public Health, December 2012, Wiley

    Professor Luca Guardabassi

  125. Staphylococcus pseudintermedius colonization patterns and strain diversity in healthy dogs: A cross-sectional and longitudinal study

    Article • Veterinary Microbiology, December 2012, Elsevier

    Professor Luca Guardabassi

  126. Carriage and Fecal Counts of Cefotaxime M-Producing Escherichia coli in Pigs: a Longitudinal Study

    Article • Applied and Environmental Microbiology, November 2012, ASM Journals

    Professor Luca Guardabassi

  127. Comparative Host Specificity of Human- and Pig- Associated Staphylococcus aureus Clonal Lineages

    Article • PLOS One, November 2012, PLOS

    Professor Luca Guardabassi

  128. Mustelidae are natural hosts of Staphylococcus delphini group A

    Article • Veterinary Microbiology, October 2012, Elsevier

    Professor Luca Guardabassi

  129. Veterinary hospital-acquired infections: The challenge of MRSA and other multidrug-resistant bacterial infections in veterinary medicine

    Article • The Veterinary Journal, August 2012, Elsevier

    Professor Luca Guardabassi

  130. SalmonellaPrevalence Among Reptiles in a Zoo Education Setting

    Article • Zoonoses and Public Health, July 2012, Wiley

    Professor Luca Guardabassi

  131. High meticillin-resistantStaphylococcus aureuscarriage in intensive pig farms in southern China

    Article • Veterinary Record, July 2012, BMJ

    Professor Luca Guardabassi

  132. Occurrence and distribution of Staphylococcus aureus lineages among zoo animals

    Article • Veterinary Microbiology, July 2012, Elsevier

    Professor Luca Guardabassi

  133. Transmission of MRSA CC398 strains between pig farms related by trade of animals

    Article • Veterinary Record, May 2012, BMJ

    Professor Luca Guardabassi

  134. Staphylococcus pseudintermedius in the dog: taxonomy, diagnostics, ecology, epidemiology and pathogenicity

    Article • Veterinary Dermatology, April 2012, Wiley

    Professor Luca Guardabassi

  135. Characterization of Methicillin-Resistant Staphylococcus aureus Isolates from Pig Carcasses in Hong Kong

    Article • Zoonoses and Public Health, March 2012, Wiley

    Professor Luca Guardabassi

  136. Faecal shedding of CTX-M-producing Escherichia coli in horses receiving broad-spectrum antimicrobial prophylaxis after hospital admission

    Article • Veterinary Microbiology, January 2012, Elsevier

    Professor Luca Guardabassi

  137. Longitudinal study on transmission of MRSA CC398 within pig herds

    Article • BMC Veterinary Research, January 2012, Springer Science + Business Media

    Professor Luca Guardabassi

  138. Prevalence of canine methicillin resistant Staphylococcus pseudintermedius in a veterinary diagnostic laboratory in Italy

    Article • Research in Veterinary Science, December 2011, Elsevier

    Professor Luca Guardabassi

  139. Farm-specific lineages of methicillin-resistant Staphylococcus aureus clonal complex 398 in Danish pig farms

    Article • Epidemiology and Infection, November 2011, Cambridge University Press

    Professor Luca Guardabassi

  140. The Distribution of Mobile Genetic Elements (MGEs) in MRSA CC398 Is Associated with Both Host and Country

    Article • Genome Biology and Evolution, September 2011, Oxford University Press (OUP)

    Professor Luca Guardabassi

  141. Effects of tetracycline and zinc on selection of methicillin-resistant Staphylococcus aureus (MRSA) sequence type 398 in pigs

    Article • Veterinary Microbiology, September 2011, Elsevier

    Professor Luca Guardabassi

  142. Molecular characterization of Staphylococcus pseudintermedius strains isolated from clinical samples of animal origin

    Article • Folia Microbiologica, August 2011, Springer Science + Business Media

    Professor Luca Guardabassi

  143. In vitro antimicrobial activity of nitrofurantoin against Escherichia coli and Staphylococcus pseudintermedius isolated from dogs and cats

    Article • Veterinary Microbiology, August 2011, Elsevier

    Professor Luca Guardabassi

  144. Selection of CMY-2 producing Escherichia coli in the faecal flora of dogs treated with cephalexin

    Article • Veterinary Microbiology, August 2011, Elsevier

    Professor Luca Guardabassi

  145. Potential Pathogenicity and Host Range of Extended-Spectrum β-Lactamase-Producing Escherichia coli Isolates from Healthy Poultry

    Article • Applied and Environmental Microbiology, June 2011, ASM Journals

    Professor Luca Guardabassi

  146. Multilocus sequence typing of IncN plasmids

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

    Professor Luca Guardabassi

  147. Structural Variations of Staphylococcal Cassette ChromosomemecType IVa inStaphylococcus aureusClonal Complex 8 and Unrelated Lineages

    Article • Antimicrobial Agents and Chemotherapy, June 2011, ASM Journals

    Professor Luca Guardabassi

  148. Prevalence of meticillin-resistant staphylococci among dogs and cats at a veterinary teaching hospital in Portugal

    Article • Veterinary Record, April 2011, BMJ

    Professor Luca Guardabassi

  149. Carriage of Methicillin-Resistant Staphylococcus pseudintermedius in Small Animal Veterinarians: Indirect Evidence of Zoonotic Transmission

    Article • Zoonoses and Public Health, January 2011, Wiley

    Professor Luca Guardabassi

  150. Antimicrobial Use Guidelines for Treatment of Urinary Tract Disease in Dogs and Cats: Antimicrobial Guidelines Working Group of the International Society for Companion Animal Infectious Diseases

    Article • Veterinary Medicine International, January 2011, Hindawi Publishing Corporation

    Professor Luca Guardabassi

  151. Experimental colonization of pigs with methicillin-resistant Staphylococcus aureus (MRSA): insights into the colonization and transmission of livestock-associated MRSA

    Article • Epidemiology and Infection, December 2010, Cambridge University Press

    Professor Luca Guardabassi

  152. Rapid PCR Detection of Staphylococcus aureus Clonal Complex 398 by Targeting the Restriction-Modification System Carrying sau1-hsdS1

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

    Professor Luca Guardabassi

  153. Association of Stenotrophomonas maltophilia infection with lower airway disease in the horse: A retrospective case series

    Article • The Veterinary Journal, December 2010, Elsevier

    Professor Luca Guardabassi

  154. Coryneform bacteria associated with canine otitis externa

    Article • Veterinary Microbiology, October 2010, Elsevier

    Professor Luca Guardabassi

  155. The search and destroy strategy prevents spread and long-term carriage of methicillin-resistant Staphylococcus aureus: results from the follow-up screening of a large ST22 (E-MRSA 15) outbreak in Denmark

    Article • Clinical Microbiology and Infection, September 2010, Elsevier

    Professor Luca Guardabassi

  156. Antimicrobial disposition in pulmonary epithelial lining fluid of horses. Part I. Sulfadiazine and trimethoprim

    Article • Journal of Veterinary Pharmacology and Therapeutics, August 2010, Wiley

    Professor Luca Guardabassi

  157. Gentamicin-Resistant Enterococcus faecalis Sequence Type 6 with Reduced Penicillin Susceptibility: Diagnostic and Therapeutic Implications

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

    Professor Luca Guardabassi

  158. Molecular analysis of methicillin-resistant Staphylococcus pseudintermedius of feline origin from different European countries and North America

    Article • Journal of Antimicrobial Chemotherapy, June 2010, Oxford University Press (OUP)

    Professor Luca Guardabassi

  159. Escherichia coli Producing CTX-M-1, -2, and -9 Group β-Lactamases in Organic Chicken Egg Production

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

    Professor Luca Guardabassi

  160. Evaluation of methicillin resistance in Staphylococcus intermedius isolated from dogs

    Article • Veterinary Research Communications, May 2010, Springer Science + Business Media

    Professor Luca Guardabassi

  161. Clonal spread of methicillin-resistant Staphylococcus pseudintermedius in Europe and North America: an international multicentre study

    Article • Journal of Antimicrobial Chemotherapy, March 2010, Oxford University Press (OUP)

    Professor Luca Guardabassi

  162. spa type distribution in Staphylococcus aureus originating from pigs, cattle and poultry

    Article • Veterinary Microbiology, March 2010, Elsevier

    Professor Luca Guardabassi

  163. High Diversity of Extended-Spectrum β-Lactamases in Escherichia coli Isolates from Italian Broiler Flocks

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

    Professor Luca Guardabassi

  164. In vitroantimicrobial activity of a commercial ear antiseptic containing chlorhexidine and Tris-EDTA

    Article • Veterinary Dermatology, December 2009, Wiley

    Professor Luca Guardabassi

  165. Novel Lineage of Methicillin-ResistantStaphylococcus aureus, Hong Kong

    Article • Emerging Infectious Diseases, December 2009, Centers for Disease Control and Prevention (CDC)

    Professor Luca Guardabassi

  166. Escherichia coli shedding patterns in humans and dogs: insights into within-household transmission of phylotypes associated with urinary tract infections

    Article • Epidemiology and Infection, September 2009, Cambridge University Press

    Professor Luca Guardabassi

  167. Clonal spread of methicillin-resistant coagulase-negative staphylococci among horses, personnel and environmental sites at equine facilities

    Article • Veterinary Microbiology, June 2009, Elsevier

    Professor Luca Guardabassi

  168. Tandem repeat sequence analysis of staphylococcal protein A (spa) gene in methicillin-resistant Staphylococcus pseudintermedius

    Article • Veterinary Microbiology, March 2009, Elsevier

    Professor Luca Guardabassi, Dr Nouri Laura BEN ZAKOUR

  169. Dogs Are a Reservoir of Ampicillin-Resistant Enterococcus faecium Lineages Associated with Human Infections

    Article • Applied and Environmental Microbiology, February 2009, ASM Journals

    Dr Rob JL Willems, Professor Luca Guardabassi, Dr Janetta Top

  170. Transmission of IncN Plasmids Carrying blaCTX-M-1 between Commensal Escherichia coli in Pigs and Farm Workers

    Article • Antimicrobial Agents and Chemotherapy, February 2009, ASM Journals

    Professor Luca Guardabassi

  171. Monitoring of antimicrobial resistance in healthy dogs: First report of canine ampicillin-resistant Enterococcus faecium clonal complex 17

    Article • Veterinary Microbiology, November 2008, Elsevier

    Professor Luca Guardabassi

  172. Selection and Persistence of CTX-M-Producing Escherichia coli in the Intestinal Flora of Pigs Treated with Amoxicillin, Ceftiofur, or Cefquinome

    Article • Antimicrobial Agents and Chemotherapy, July 2008, ASM Journals

    Professor Luca Guardabassi

  173. Prevalence of Quinolone Resistance Mechanisms and Associations to Minimum Inhibitory Concentrations in Quinolone-ResistantEscherichia coliIsolated from Humans and Swine in Denmark

    Article • Microbial Drug Resistance, June 2008, Mary Ann Liebert Inc

    Professor Luca Guardabassi

  174. Population Genetic Structure of the Staphylococcus intermedius Group: Insights into agr Diversification and the Emergence of Methicillin-Resistant Strains

    Article • Journal of Bacteriology, April 2008, ASM Journals

    Professor Luca Guardabassi

  175. Guide to Antimicrobial Use in Animals

    Article • April 2008, Wiley

    Professor Luca Guardabassi

  176. Guidelines for Antimicrobial Use in Dogs and Cats

    Article • April 2008, Wiley

    Professor Luca Guardabassi

  177. Principles of Prudent and Rational Use of Antimicrobials in Animals

    Article • April 2008, Wiley

    Professor Luca Guardabassi

  178. High risk for nasal carriage of methicillin-resistant Staphylococcus aureus among Danish veterinary practitioners

    Article • Scandinavian Journal of Work Environment & Health, April 2008, Scandinavian Journal of Work, Environment and Health

    Professor Luca Guardabassi

  179. Comparative Analysis of Human and Canine Campylobacter upsaliensis Isolates by Amplified Fragment Length Polymorphism

    Article • Journal of Clinical Microbiology, February 2008, ASM Journals

    Professor Luca Guardabassi

  180. First report of multiresistant, mecA-positive Staphylococcus intermedius in Europe: 12 cases from a veterinary dermatology referral clinic in Germany

    Article • Veterinary Dermatology, December 2007, Wiley

    Professor Luca Guardabassi

  181. Population Genetic Structure of the Staphylococcus intermedius Group: Insights into agr Diversification and the Emergence of Methicillin-Resistant Strains

    Article • Journal of Bacteriology, September 2007, ASM Journals

    Professor Luca Guardabassi, Dr Nouri Laura BEN ZAKOUR

  182. Retrospective detection of methicillin resistant and susceptible Staphylococcus aureus ST398 in Danish slaughter pigs

    Article • Veterinary Microbiology, June 2007, Elsevier

    Professor Luca Guardabassi

  183. Occurrence, species distribution, antimicrobial resistance and clonality of methicillin- and erythromycin-resistant staphylococci in the nasal cavity of domestic animals

    Article • Veterinary Microbiology, April 2007, Elsevier

    Professor Luca Guardabassi

  184. Occurrence of CTX-M-1-producing Escherichia coli in pigs treated with ceftiofur

    Article • Journal of Antimicrobial Chemotherapy, March 2007, Oxford University Press (OUP)

    Professor Luca Guardabassi

  185. spa typing of methicillin-resistant Staphylococcus aureus isolated from domestic animals and veterinary staff in the UK and Ireland

    Article • Journal of Antimicrobial Chemotherapy, October 2006, Oxford University Press (OUP)

    Professor Luca Guardabassi

  186. Genes homologous to glycopeptide resistancevanA are widespread in soil microbial communities

    Article • FEMS Microbiology Letters, June 2006, Oxford University Press (OUP)

    Professor Luca Guardabassi

  187. Heterologous expression of glycopeptide resistance vanHAX gene clusters from soil bacteria in Enterococcus faecalis

    Article • Journal of Antimicrobial Chemotherapy, April 2006, Oxford University Press (OUP)

    Professor Luca Guardabassi

  188. Glycopeptide Resistance vanA Operons in Paenibacillus Strains Isolated from Soil

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

    Professor Luca Guardabassi

  189. Prevalence of methicillin-resistant Staphylococcus aureus among staff and pets in a small animal referral hospital in the UK

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

    Professor Luca Guardabassi

  190. Identification of Tet 39, a novel class of tetracycline resistance determinant in Acinetobacter spp. of environmental and clinical origin

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

    Professor Luca Guardabassi

  191. Members of the Genera Paenibacillus and Rhodococcus Harbor Genes Homologous to Enterococcal Glycopeptide Resistance Genes vanA and vanB

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

    Professor Luca Guardabassi

  192. Pet animals as reservoirs of antimicrobial-resistant bacteria: Review

    Article • Journal of Antimicrobial Chemotherapy, July 2004, Oxford University Press (OUP)

    Professor Stefan Schwarz, Professor Luca Guardabassi

  193. Occurrence of Campylobacter jejuni in Pets Living with Human Patients Infected with C. jejuni

    Article • Journal of Clinical Microbiology, March 2004, ASM Journals

    Professor Luca Guardabassi

  194. Occurrence, Structure, and Mobility of Tn1546-Like Elements in Environmental Isolates of Vancomycin-Resistant Enterococci

    Article • Applied and Environmental Microbiology, February 2004, ASM Journals

    Professor Luca Guardabassi

  195. Transmission of multiple antimicrobial-resistant Staphylococcus intermedius between dogs affected by deep pyoderma and their owners

    Article • Veterinary Microbiology, January 2004, Elsevier

    Professor Luca Guardabassi

  196. Overlooked aspects concerning development and spread of antimicrobial resistance

    Article • Expert Review of Anti-infective Therapy, September 2003, Informa Healthcare

    Professor Luca Guardabassi

  197. Dissemination of Vancomycin-Resistant Enterococci HarboringvanAThrough Disposal of Waste Derived from Industrial Production of Vancomycin

    Article • Microbial Drug Resistance, December 2002, Mary Ann Liebert Inc

    Professor Luca Guardabassi

  198. Delayed incubation as an alternative method to sample storage for enumeration of E. coli and culturable bacteria in water

    Article • Water Research, November 2002, Elsevier

    Professor Luca Guardabassi

  199. The effects of tertiary wastewater treatment on the prevalence of antimicrobial resistant bacteria

    Article • Water Research, April 2002, Elsevier

    Professor Luca Guardabassi

  200. Increase in the prevalence of oxolinic acid resistant Acinetobacter spp. observed in a stream receiving the effluent from a freshwater trout farm following the treatment with oxolinic acid-medicated feed

    Article • Aquaculture, September 2000, Elsevier

    Manuela Raffatellu, Professor Luca Guardabassi

  201. Class I integrons containing adhfrItrimethoprim resistance gene cassette in aquaticAcinetobacterspp.

    Article • FEMS Microbiology Letters, January 2000, Oxford University Press (OUP)

    Professor Luca Guardabassi

  202. Class I integrons containing a dhfrI trimethoprim resistance gene cassette in aquatic Acinetobacter spp.

    Article • FEMS Microbiology Letters, January 2000, Oxford University Press (OUP)

    Professor Luca Guardabassi

  203. Phenotypic characterization and antibiotic resistance of Acinetobacter spp. isolated from aquatic sources

    Article • Journal of Applied Microbiology, October 1999, Wiley

    Professor Luca Guardabassi