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Dermatophyte test medium

Dermatophyte test medium (DTM) is a specialized agar used in medical mycology.[1][2] It is based on Sabouraud's dextrose agar with added cycloheximide to inhibit saprotrophic growth, antibiotic to inhibit bacterial growth, and phenol red a pH indicator. The pH indicator is useful in distinguishing a dermatophyte fungus, which utilizes nitrogenous material for preferred metabolism, producing alkaline by-products, imparting a red color change to the medium. Typical saprotrophic fungi utilize carbohydrates in the medium producing acidic by-products and no red color change.

DTM plate on the right showing color change after two days' growth; Microsporum canis

References edit

  1. ^ "Acumedia Dehydrated Culture Media | Food Safety | Neogen". foodsafety.neogen.com.
  2. ^ "Microbiology Solutions Resource Library". www.bd.com.


dermatophyte, test, medium, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor,. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Dermatophyte test medium news newspapers books scholar JSTOR May 2016 Learn how and when to remove this template message Dermatophyte test medium DTM is a specialized agar used in medical mycology 1 2 It is based on Sabouraud s dextrose agar with added cycloheximide to inhibit saprotrophic growth antibiotic to inhibit bacterial growth and phenol red a pH indicator The pH indicator is useful in distinguishing a dermatophyte fungus which utilizes nitrogenous material for preferred metabolism producing alkaline by products imparting a red color change to the medium Typical saprotrophic fungi utilize carbohydrates in the medium producing acidic by products and no red color change DTM plate on the right showing color change after two days growth Microsporum canisReferences edit Acumedia Dehydrated Culture Media Food Safety Neogen foodsafety neogen com Microbiology Solutions Resource Library www bd com nbsp This mycology related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Dermatophyte test medium amp oldid 933000803, wikipedia, wiki, book, books, library,

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