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Original Article

Use of the rapid diazonium blue B test to differentiate clinically important species of Trichosporon and Geotrichum

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Pages 243-245 | Received 03 Dec 1982, Accepted 17 Dec 1982, Published online: 09 Jul 2009
 

Abstract

Trichosporon isolates form pink to violet pigments following reaction with diazonium blue B which reliably differentiates them from Geotrichum species. The inoculum could be grown in static culture without diminishing the colour intensity. This modification facilitates use of the diazonium blue B reaction in clinical laboratories.

Résumé

Les isolats de Trichosporon produisent des pigments qui vont du rose au violet après réaction avec le bleu B de diazonium, ce qui les différentie des diverses espèces de Geotrichum. L'utilisation d'un rotateur pour la culture de l'inoculum peut être supprimée sans pour autant diminuer l'intensité de la coloration. Cette modification facilite l'utilisation du bleu B de diazonium dans les laboratoires d'analyse.

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