All Stories

  1. Antimicrobial susceptibility testing of Bacteroides fragilis using the MALDI Biotyper antibiotic susceptibility test rapid assay (MBT-ASTRA)

    Article • Anaerobe, March 2018, Elsevier

    Dr Ulrik S. Justesen, Thomas Sydenham

  2. Prevalence of antimicrobial resistance and the cfiA resistance gene in Danish Bacteroides fragilis group isolates since 1973

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

    Thomas Sydenham, Dr Ulrik S. Justesen

  3. Species identification of Streptococcus bovis group isolates causing bacteremia: a comparison of two MALDI-TOF MS systems

    Article • Diagnostic Microbiology and Infectious Disease, February 2017, Elsevier

    Dr Ulrik S. Justesen

  4. Characterization of a novel blaIMP gene, blaIMP-58, using whole genome sequencing in a Pseudomonas putida isolate detected in Denmark

    Article • Diagnostic Microbiology and Infectious Disease, October 2016, Elsevier

    Dr Ulrik S. Justesen

  5. The optimization and validation of the Biotyper MALDI-TOF MS database for the identification of gram positive anaerobic cocci

    Article • Clinical Microbiology and Infection, July 2016, Elsevier

    Dr Ulrik S. Justesen

  6. Molecular characterisation of the clonal emergence of high-level ciprofloxacin-monoresistant Haemophilus influenzae in the Region of Southern Denmark

    Article • Journal of Global Antimicrobial Resistance, June 2016, Elsevier

    Dr Ulrik S. Justesen

  7. Bacteremia with the bovis group streptococci: species identification and association with infective endocarditis and with gastrointestinal disease

    Article • Diagnostic Microbiology and Infectious Disease, June 2016, Elsevier

    Dr Ulrik S. Justesen

  8. Two Serious Cases of Infection with Clostridium celatum after 40 Years in Hiding?

    Article • Journal of Clinical Microbiology, November 2015, ASM Journals

    Dr Ulrik S. Justesen

  9. Routine disc diffusion antimicrobial susceptibility testing of Clostridium difficile and association with PCR ribotype 027

    Article • European Journal of Clinical Microbiology & Infectious Diseases, August 2015, Springer Science + Business Media

    Dr Ulrik S. Justesen

  10. Draft Genome Sequence ofParabacteroides goldsteiniiwith Putative Novel Metallo-β-Lactamases Isolated from a Blood Culture from a Human Patient

    Article • Genome Announcements, August 2015, ASM Journals

    Dr Ulrik S. Justesen

  11. Characterisation of a multidrug-resistant Bacteroides fragilis isolate recovered from blood of a patient in Denmark using whole-genome sequencing

    Article • International Journal of Antimicrobial Agents, July 2015, Elsevier

    Dr Ulrik S. Justesen, Thomas Sydenham

  12. Multiple hospital outbreaks of vanA Enterococcus faecium in Denmark, 2012–13, investigated by WGS, MLST and PFGE

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

    Dr Ulrik S. Justesen

  13. Draft Genome Sequences of Sanguibacteroides justesenii , gen. nov., sp. nov., Strains OUH 308042 T (= ATCC BAA-2681 T ) and OUH 3346...

    Article • Genome Announcements, March 2015, ASM Journals

    Dr Ulrik S. Justesen, Thomas Sydenham

  14. Investigation of a possible outbreak of carbapenem-resistant Acinetobacter baumannii in Odense, Denmark using PFGE, MLST and whole-genome-based SNPs

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

    Dr Ulrik S. Justesen

  15. Draft Genome Sequence of “Terrisporobacter othiniensis” Isolated from a Blood Culture from a Human Patient

    Article • Genome Announcements, March 2015, ASM Journals

    Dr Ulrik S. Justesen, Thomas Sydenham

  16. Development of EUCAST disk diffusion method for susceptibility testing of the Bacteroides fragilis group isolates

    Article • Anaerobe, February 2015, Elsevier

    Dr Ulrik S. Justesen

  17. Identification of antimicrobial resistance genes in multidrug-resistant clinical Bacteroides fragilis isolates by whole genome shotgun sequencing

    Article • Anaerobe, February 2015, Elsevier

    Dr Ulrik S. Justesen, Thomas Sydenham, József Sóki

  18. First Report of Sphingomonas koreensis as a Human Pathogen in a Patient with Meningitis

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

    Dr Ulrik S. Justesen

  19. Characterization of Third-Generation Cephalosporin-Resistant Escherichia coli from Bloodstream Infections in Denmark

    Article • Microbial Drug Resistance, August 2014, Mary Ann Liebert Inc

    Dr Ulrik S. Justesen

  20. Echinocandin Failure Case Due to a Previously UnreportedFKS1Mutation in Candida krusei

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

    Dr Ulrik S. Justesen

  21. Four Cases of Bacteremia Caused by Oscillibacter ruminantium, a Newly Described Species

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

    Dr Ulrik S. Justesen, Thomas Sydenham

  22. Characterization of Carbapenem Nonsusceptible Pseudomonas aeruginosa in Denmark: A Nationwide, Prospective Study

    Article • Microbial Drug Resistance, February 2014, Mary Ann Liebert Inc

    Dr Ulrik S. Justesen

  23. Species differentiation of Bacteroides dorei from Bacteroides vulgatus and Bacteroides ovatus from Bacteroides xylanisolvens – Back to basics

    Article • Anaerobe, December 2013, Elsevier

    Dr Ulrik S. Justesen

  24. High rates of reduced susceptibility in the Bacteroides fragilis group isolated from blood cultures – The first national survey in Denmark

    Article • International Journal of Antimicrobial Agents, August 2013, Elsevier

    Dr Ulrik S. Justesen

  25. A simple and sensitive quality control method of the anaerobic atmosphere for identification and antimicrobial susceptibility testing of anaerobic bacteria

    Article • Diagnostic Microbiology and Infectious Disease, June 2013, Elsevier

    Dr Ulrik S. Justesen

  26. Two Cases of Ruminococcus gnavus Bacteremia Associated with Diverticulitis

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

    Dr Ulrik S. Justesen

  27. Comparison of Rosco Neo-Sensitabs with Oxoid paper disks in EUCAST disk diffusion antimicrobial susceptibility testing on Mueller–Hinton agar

    Article • European Journal of Clinical Microbiology & Infectious Diseases, December 2012, Springer Science + Business Media

    Dr Ulrik S. Justesen

  28. Multidrug-resistant Bacteroides fragilis group on the rise in Europe?

    Article • Journal of Medical Microbiology, September 2012, Society for General Microbiology

    Dr Ulrik S. Justesen, József Sóki

  29. Antimicrobial susceptibility testing of Clostridium difficile using EUCAST epidemiological cut-off values and disk diffusion correlates

    Article • Clinical Microbiology and Infection, August 2012, Elsevier

    Dr Ulrik S. Justesen

  30. Patients transferred from Libya to Denmark carried OXA-48-producing Klebsiella pneumoniae, NDM-1-producing Acinetobacter baumannii and meticillin-resistant Staphylococcus aureus

    Article • International Journal of Antimicrobial Agents, August 2012, Elsevier

    Dr Ulrik S. Justesen

  31. Increasing consumption of antimicrobial agents in Denmark parallels increasing resistance in Escherichia coli bloodstream isolates

    Article • International Journal of Antimicrobial Agents, July 2012, Elsevier

    Dr Ulrik S. Justesen

  32. Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry Analysis of Gram-Positive, Catalase-Negative Cocci Not Belonging to the Streptococcus or Enterococcus Genus and Benefits of Database Extension

    Article • Journal of Clinical Microbiology, March 2012, ASM Journals

    Dr Ulrik S. Justesen

  33. Extended-spectrum β-lactamase (ESBL) in Danish clinical isolates of Escherichia coli and Klebsiella pneumoniae: Prevalence, β-lactamase distribution, phylogroups, and co-resistance

    Article • Scandinavian Journal of Infectious Diseases, February 2012, Taylor & Francis

    Dr Ulrik S. Justesen

  34. Species Identification of Clinical Isolates of Anaerobic Bacteria: a Comparison of Two Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry Systems

    Article • Journal of Clinical Microbiology, January 2012, ASM Journals

    Dr Ulrik S. Justesen

  35. Species Identification of Clinical Isolates of Anaerobic Bacteria: a Comparison of Two Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry Systems

    Article • Journal of Clinical Microbiology, October 2011, ASM Journals

    Dr Ulrik S. Justesen

  36. Emergence of extended-spectrum β-lactamase (ESBL)-producing Klebsiella pneumoniae in Danish hospitals; this is in part explained by spread of two CTX-M-15 clones with multilocus sequence types 15 and 16 in Zealand

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

    Dr Ulrik S. Justesen

  37. Bacteremia with Bacteroides pyogenes after a Cat Bite

    Article • Journal of Clinical Microbiology, June 2011, ASM Journals

    Dr Ulrik S. Justesen

  38. Solobacterium moorei Bacteremia: Identification, Antimicrobial Susceptibility, and Clinical Characteristics: Table 1.

    Article • Journal of Clinical Microbiology, April 2011, ASM Journals

    Dr Ulrik S. Justesen

  39. 16S rRNA Gene Sequencing in Routine Identification of Anaerobic Bacteria Isolated from Blood Cultures: TABLE 1.

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

    Dr Ulrik S. Justesen

  40. Direct 16S rRNA gene sequencing of polymicrobial culture-negative samples with analysis of mixed chromatograms

    Article • Journal of Medical Microbiology, December 2009, Society for General Microbiology

    Dr Ulrik S. Justesen

  41. Monomicrobial necrotizing fasciitis in a white male caused by hypermucoviscous Klebsiella pneumoniae

    Article • Journal of Medical Microbiology, August 2009, Society for General Microbiology

    Dr Ulrik S. Justesen

  42. Consequences of increased antibacterial consumption and change in pattern of antibacterial use in Danish hospitals

    Article • Journal of Antimicrobial Chemotherapy, February 2009, Oxford University Press (OUP)

    Dr Ulrik S. Justesen

  43. Identification of Clinically Relevant Nonhemolytic Streptococci on the Basis of Sequence Analysis of 16S-23S Intergenic Spacer Region and Partial gdh Gene

    Article • Journal of Clinical Microbiology, February 2009, ASM Journals

    Dr Ulrik S. Justesen

  44. Report of the First Human Case of Caulobacter sp. Infection

    Article • Journal of Clinical Microbiology, December 2007, ASM Journals

    Dr Ulrik S. Justesen

  45. Pharmacokinetics of Two Randomized Trials Evaluating the Safety and Efficacy of Indinavir, Saquinavir and Lopinavir in Combination with Low-Dose Ritonavir: The MaxCmin1 and 2 Trials

    Article • Basic & Clinical Pharmacology & Toxicology, November 2007, Wiley

    Dr Ulrik S. Justesen

  46. Report of the First Human Case of Caulobacter sp. Infection

    Article • Journal of Clinical Microbiology, January 2007, ASM Journals

    Dr Ulrik S. Justesen

  47. Genotyping of CYP2B6 and therapeutic drug monitoring in an HIV-infected patient with high efavirenz plasma concentrations and severe CNS side-effects

    Article • Scandinavian Journal of Infectious Diseases, January 2006, Taylor & Francis

    Dr Ulrik S. Justesen

  48. Therapeutic Drug Monitoring and Human Immunodeficiency Virus (HIV) Antiretroviral Therapy

    Article • Basic & Clinical Pharmacology & Toxicology, January 2006, Wiley

    Dr Ulrik S. Justesen

  49. The long-term pharmacokinetics and safety of adding low-dose ritonavir to a nelfinavir 1250 mg twice-daily regimen in HIV-infected patients

    Article • HIV Medicine, September 2005, Wiley

    Dr Ulrik S. Justesen

  50. Dose-dependent pharmacokinetics of delavirdine in combination with amprenavir in healthy volunteers

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

    Dr Ulrik S. Justesen

  51. Pharmacokinetic Interaction between Rifampin and the Combination of Indinavir and Low‐Dose Ritonavir in HIV‐Infected Patients

    Article • Clinical Infectious Diseases, February 2004, Oxford University Press (OUP)

    Dr Ulrik S. Justesen

  52. Changing incidence of central nervous system diseases in the EuroSIDA cohort

    Article • Annals of Neurology, January 2004, Wiley

    Dr Ulrik S. Justesen

  53. Low-dose indinavir in combination with low-dose ritonavir: steady-state pharmacokinetics and long-term clinical outcome follow-up

    Article • HIV Medicine, July 2003, Wiley

    Dr Ulrik S. Justesen

  54. The use of calcium carbonate in nelfinavir-associated diarrhoea in HIV-1-infected patients

    Article • HIV Medicine, January 2003, Wiley

    Dr Ulrik S. Justesen

  55. Pharmacokinetic interaction between amprenavir and delavirdine after multiple-dose administration in healthy volunteers

    Article • British Journal of Clinical Pharmacology, January 2003, Wiley

    Dr Ulrik S. Justesen

  56. Household Transmission of Invasive Group A Streptococcus with Necrotizing Fasciitis

    Article • Scandinavian Journal of Infectious Diseases, January 2003, Taylor & Francis

    Dr Ulrik S. Justesen

  57. Simultaneous quantitative determination of the HIV protease inhibitors indinavir, amprenavir, ritonavir, lopinavir, saquinavir, nelfinavir and the nelfinavir active metabolite M8 in plasma by liquid chromatography

    Article • Journal of Chromatography B, January 2003, Elsevier

    Dr Ulrik S. Justesen

  58. Diurnal variation of plasma protease inhibitor concentrations

    Article • AIDS, December 2002, Wolters Kluwer Health

    Dr Ulrik S. Justesen