INNO-LiPA DNA line probe assay misidentification of M. smegmatis as Mycobacterium fortuitum complex

Theo van den Broek*, Nard G. Janssen, David J. Hetem, Wouter Bekers, Miranda Kamst, Ad C. Fluit, Jakko van Ingen, Johannes G. Kusters, Rob J. Rentenaar

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

Seven weeks after being kicked in the face by a cow, a 34-year-old male patient developed a posttraumatic mycobacterial lymphadenitis. A rapidly growing mycobacterial isolate cultured from a surgically drained lymphadenitis pus specimen was identified as Mycobacterium smegmatis by matrix-assisted laser desorption/ionization mass spectrometry and a combination of ITS-, hsp65-, and 16S rRNA-DNA sequence analysis, but as Mycobacterium fortuitum complex using the commercial INNO-LiPA Mycobacteria v2 line probe assay. As it is unclear if the misidentification of this strain is an exception, more research is required.

Original languageEnglish
Article number114858
Pages (from-to)114858
JournalDiagnostic Microbiology and Infectious Disease
Volume95
Issue number3
DOIs
Publication statusPublished - 1 Nov 2019

Keywords

  • Case report
  • HSP65 sequencing
  • INNO-LiPA
  • Mycobacterium fortuitum complex
  • Mycobacterium smegmatis
  • Mycobacterium smegmatis/chemistry
  • Humans
  • Male
  • Treatment Outcome
  • Microbial Sensitivity Tests
  • Animals
  • Cattle
  • Diagnostic Errors
  • Lymphadenitis/diagnosis
  • Reagent Kits, Diagnostic
  • Adult
  • Mycobacterium Infections, Nontuberculous/diagnosis
  • Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
  • Mycobacterium fortuitum/chemistry
  • Molecular Diagnostic Techniques/methods

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