Influence of Culture Media on Microbial Fingerprints Using Raman Spectroscopy

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Authors	MLYNÁRIKOVÁ Katarína SAMEK Ota BERNATOVÁ Silvie RŮŽIČKA Filip JEŽEK Jan HÁRONIKOVÁ Andrea ŠILER Martin ZEMÁNEK Pavel HOLÁ Veronika
Year of publication	2015
Type	Article in Periodical
Magazine / Source	Sensors
MU Faculty or unit	Faculty of Medicine
Citation
Doi	http://dx.doi.org/10.3390/s151129635
Field	Microbiology, virology
Keywords	Raman spectroscopy; bacteria; yeasts; culture media
Description	Raman spectroscopy has a broad range of applications across numerous scientific fields, including microbiology. Our work here monitors the influence of culture media on the Raman spectra of clinically important microorganisms (Escherichia coli, Staphylococcus aureus, Staphylococcus epidermidis and Candida albicans). Choosing an adequate medium may enhance the reproducibility of the method as well as simplifying the data processing and the evaluation. We tested four different media per organism depending on the nutritional requirements and clinical usage directly on a Petri dish. Some of the media have a significant influence on the microbial fingerprint (Roosvelt-Park Institute Medium, CHROMagar) and should not be used for the acquisition of Raman spectra. It was found that the most suitable medium for microbiological experiments regarding these organisms was Mueller-Hinton agar.
Related projects:	Zapojení České republiky do aktivit Americké společnosti pro mikrobiologii (ASM)