Chapter title |
Fungal Species Identification by MALDI-ToF Mass Spectrometry.
|
---|---|
Chapter number | 19 |
Book title |
Human Fungal Pathogen Identification
|
Published in |
Methods in molecular biology, January 2017
|
DOI | 10.1007/978-1-4939-6515-1_19 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6513-7, 978-1-4939-6515-1
|
Authors |
Oliver Bader |
Editors |
Thomas Lion |
Abstract |
MALDI-TOF MS has become the standard method for routine identification of most microbial organisms in clinical laboratories and has largely replaced biochemical assays. Classification relies on extensive well curated databases, ideally covering the full spectrum of microorganisms encountered in the specimens at hands. The protocols for harvesting cells and procuring material suitable for downstream MALDI-TOF MS analyses vary in specific details between the different groups of organisms, e.g., gram-positive or -negative bacteria, mycobacteria, or fungi. With respect to fungi, methods further vary between yeasts and moulds; and even among different mould genera if they do not lyse in a similar fashion. Purification of microbial materials from clinical specimen allows the direct identification of bacteria; however this is not yet fully adapted to fungi. In this chapter, I look into the differences between the underlying methods for yeast and moulds, and for production of samples suitable for MALDI-TOF MS species identification from cultures and different clinical materials. |
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