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Catalogue of Services

  • Staphylococcus aureus (PFGE, spa, MLST/SBT),
  • Escherichia coli (AFLP),
  • Klebsiella spp. (AFLP),
  • Enterobacter spp. (AFLP),
  • Serratia marcescens (AFLP),
  • Pseudomonas aeruginosa (AFLP, MLVA, MLST/STB),
  • Stenotrophomonas maltophilia (AFLP, MLST/STB),
  • Acinetobacter spp. (AFLP),
  • Legionella pneumophila.(AFLP, MLST/SBT)

(spa: Staphylococcal Protein A Typing; AFLP: Amplified fragment length polymorphism, MLST: Multi locus sequence typing; SBT: Sequence based typing)

  • Detection of MRSA-DNA (MRSA XT-Test, Becton Dickinson)
  • Detection of carbapenemase genes (SuperBug Complete, Amplex; Type KPC, NDM, VIM, OXA-23-, OXA-40-, OXA-48- or OXA-58-like)
  • Detection of carbapenemase genes (Checkpoints CPO-Assay, Becton, Dickinson; Type KPC, NDM, VIM and/or IMP oder OXA-48-like)

  • Sequence-based identification of ß-lactamase-coded sequences: Extended spectrum beta-lactamase (Groups TEM, SHV, CTX-M, OXA), Metallo-beta-lactamases (Groups IMP, VIM, GIM, SPM, SIM), carbapenemases (groups NMC, IRS, IMI, KPC, GES) and AmpC.
  • Gram-positive resistance genes: mecA, SCCmec, vanA, vanB
  • Quinolone resistance genes (gyrA, parC, qnr)

  • Biochemical (API)
  • Molecular biological (16S rRNA, mip for Legionella spp.)
  • Virulence factors: S. aureus: Panton-Valentin leucocidin; E. coli: Aerobactin iutA und Yersiniabactin fyuA, capsule synthesis genlocus kpsMT II, invasive factor ibeA, serum resistance factor traT, adhesion factors papA und papG, iron-regulated gene homologue adhesin iha; Determination of phylogenetic groups.

  • Micro- and macrodilution-broth methods (EUCAST/CLSI)
  • Agar dilution (NCCLS/CLSI), E-Test (on request)
  • Bactericidal testing (EUCAST/CLSI)
  • Synergism testing (checkerboard method)

Typing methods are available for the following pathogens:
Staphylococcus aureus, Enterococcus faecium, Escherichia coli, Klebsiella spp., Enterobacter spp., Serratia marcescens, Pseudomonas aeruginosa, Stenotrophomonas maltophilia, Acinetobacter spp., Legionella pneumophila.

Typing methods include:
Macrorestriction analysis (PFGE), Amplified fragment length polymorphism (AFLP), random amplification of polymorphic DNA (RAPD), multiple locus variant numbers of tandem repeat analysis (MLVA), spa typing, multi locus sequence typing (MLST).

Identification of antibiotic resistance genes
Sequence-based identification of beta-Laktamase-coding genes::

  • Extended spectrum beta-lactamases (groups TEM, SHV, CTX-M, OXA)
  • Metallo-beta-lactamases (groups IMP, VIM, GIM, SPM, SIM)
  • Carbapenemases (groups NMC, IRS, IMI, KPC, GES)
  • AmpC beta-lactamases (groups MOX, CMY, LAT-4, BIL-1, DHA, ACC, MIR-1T, ACT-1, FOX)
  • Quinolone resistence genes (gyrA, parC, qnr)
  • Gram-positive resistance genes: mecA, SCCmec, vanA, vanB

 

(Cluster) analyses of typing data

  • BioNumerics
  • CLC Genomic Workbench
  • Staden package
  • Ridom Staphtype
Head of Laboratory

OA Prof. Dr. Daniel Jonas

Phone: +49 (0) 761 270-82730 / 82880
Fax: +49 (0) 761 270-82030 / 82830
daniel.jonas@uniklinik-freiburg.de