Molecular taxonomy of Trichophyton mentagrophytes and T. tonsurans

Most members of the anamorph genus Trichophyton are anthropophilic and have evolved with the human host. Classical parameters for the identification of dermatophytes include clinical features, cultural characteristics, conidial morphology and physiological test results. Phenotypic variability and pl...

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Bibliographic Details
Published in:	Medical mycology (Oxford) Vol. 37; no. 5; pp. 315 - 330
Main Authors:	GRÄSER, Y., KUIJPERS, A.F.A., PRESBER, W., HOOG, G.S. DE
Format:	Journal Article
Language:	English
Published:	UK Informa UK Ltd 01-10-1999 Taylor & Francis
Subjects:	Animals Biological and medical sciences DNA Fingerprinting DNA, Fungal - analysis DNA, Fungal - genetics Fundamental and applied biological sciences. Psychology Humans Microbiology Mycological Typing Techniques Mycology Phylogeny Polymerase Chain Reaction - methods Polymorphism, Genetic Sequence Analysis, DNA Systematics Tinea - microbiology Trichophyton - classification Trichophyton - genetics Amplified fragment length polymorphism Nucleotide sequence Taxonomy Ribosomal DNA Trichophyton mentagrophytes Spacer DNA Identification Phylogeny Fungi Polymerase chain reaction Taxonomic review Fingerprint method Fungi Imperfecti Dermatophyte Thallophyta
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Summary:	Most members of the anamorph genus Trichophyton are anthropophilic and have evolved with the human host. Classical parameters for the identification of dermatophytes include clinical features, cultural characteristics, conidial morphology and physiological test results. Phenotypic variability and pleomorphism due to culturing on artificial media is common among this group of organisms and has led to the description of numerous species. The validity of taxa around T. mentagrophytes and T. tonsurans was verified. Morphological and physiological features were compared to results of three different molecular techniques (sequencing of the internal transcribed spacer (ITS) region of the ribosomal operon, PCR fingerprinting and amplified fragment length polymorphism (AFLP) analysis). Twenty-four species or varieties investigated could be reduced to five taxa and were reclassified or synonymized as Trichophyton tonsurans, T. interdigitale, T. mentagrophytes, T. simii and T. erinacei.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1369-3786 1460-2709
DOI:	10.1046/j.1365-280X.1999.00234.x