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Characterization of an outbreak caused by Elizabethkingia miricola using Fourier-transform infrared (FTIR) spectroscopy.

David Rodríguez-TemporalJavier Enrique García-CañadaAna CandelaJesús Oteo-IglesiasJulia Serrano-LoboMaría Pérez-VázquezBelén Rodríguez-SánchezEmilia Cercenado
Published in: European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology (2024)
Fourier-transform infrared (FTIR) spectroscopy has the potential to be used for bacterial typing and outbreak characterization. We evaluated FTIR for the characterization of an outbreak caused by Elizabethkingia miricola. During the 2020-2021 period, 26 isolates (23 clinical and 3 environmental) were collected and analyzed by FTIR (IR Biotyper) and core-genome MLST (cgMLST), in addition to antimicrobial susceptibility testing. FTIR spectroscopy and cgMLST showed that 22 of the isolates were related to the outbreak, including the environmental samples, with only one discordance between both methods. Then, FTIR is useful for E. miricola typing and can be easily implemented in the laboratory.
Keyphrases
  • high resolution
  • single molecule
  • genetic diversity
  • human health
  • solid state