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PubMed · 6717554

Scanning electron microscopy on Microsporum audouini complex.

E Guého·G Badillet
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Abstract

Several strains of Microsporum audouini, M. langeroni and M. rivalieri were observed by light and scanning electron microscopies. The macroaleuriospore shape and ornamentation were illustrated and compared for the 3 species as the pectinate hyphae for M. langeroni and M. rivalieri and the chlamydospores and particular hyphae for M. audouini and M. langeroni. The 3 species are morphologically very close but they are distinguishable from each other on the basis of morphology, geographic distribution and pathogenicity.

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DermatomycosesHumansMicroscopy, Electron, ScanningMicrosporumSpecies SpecificitySpores, FungalComparative StudyJournal Article

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BibTeXRIS

E Guého, G Badillet. 1984-02-15. Scanning electron microscopy on Microsporum audouini complex.. https://doi.org/10.1007/bf00436524

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BACKGROUND: 83 Malassezia strains (65 wild isolates and 18 reference strains) were differentiated to the species level using conventional methods including morphological and biochemical features. These strains were further analyzed by Fourier transform infrared spectroscopy (FT-IRS). RESULTS: FT-IRS analysis allowed a clear separation of Malassezia strains according to species-specific cluster formation. The main differences were found between Malassezia furfur and other Malassezia species. In addition, within the species Malassezia furfur, a separation in two similar groups could be demonstrated. A disadvantage of FT-IRS is the relatively expensive apparatus. A great advantage is the speed and simplicity of the procedure, producing results within minutes. CONCLUSION: In pityriasis versicolor, Malassezia globosa was the dominant species found in 62% of cases. In addition, Malassezia furfur was found in 60% of dandruff cases.

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