ArticleMycoses2025
Identification of Filamentous Fungi: An Evaluation of Three MALDI-TOF Mass Spectrometry Systems.
Article in Mycoses, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Optimizing MALDI-TOF MS for routine dermatophyte identification, including Trichophyton indotineae.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2026Article
- Validation of the Mycelium Transfer Method Coupled with MALDI-TOF MS for Rapid Identification of Filamentous Fungi.Pathogens (Basel, Switzerland) · 2026Article
- Evaluation of the VITEKEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2026Article
- Identification of Filamentous Fungi: An Evaluation of Three MALDI-TOF Mass Spectrometry Systems.Mycoses · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIdentification of filamentous fungi still poses a major challenge to laboratories. Matrix assisted laser desorption/ionisation time of flight mass spectrometry (MALDI-TOF MS) is a promising tool, since it offers low-cost and fast results. Different MALDI-TOF MS systems are available for routine laboratories. This is a comprehensive head-to-head comparison of three devices and the respective reference spectrum databases. MATERIALS AND
methodsA set of 77 pre-characterised isolates of filamentous fungi was measured (in duplicates) parallelly with three MALDI-TOF MS systems after 24 h, 48 h and 72 h of incubation: (1) Biotyper smart ('BT', Bruker Daltonics),(2) EXS2600 ('EXS', Zybio) and (3) VITEK MS PRIME ('VITEK', bioMérieux).
resultsAfter three measurements, no valid results at the species level ('green category') were obtained for 18%, 21% and 14% of isolates by BT, EXS and VITEK. Depending on the MALDI-TOF MS system, validity rates ranged from 58%-82% for the different time points. Correct and valid results were obtained for 82%, 73% and 81% of isolates by BT, EXS and VITEK. BT was the system that required the most duplicate measurements. EXS displayed the highest rate of misidentification events. VITEK had the highest rate of unidentified isolates, which were featured within its database.
conclusionBased on our experience, all three devices proved to be suitable for routine diagnostics. The timepoint of measurement had a major impact on the quality of analysis and should be considered by the user. Lowering the validity cut-off levels might increase the performance of the EXS system.
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