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A skin infection mimicking chromoblastomycosis by a Capnodialean fungus

Campolina, S.S. and Caligiorne, R.B. and Rezende-Silva, S. and Hahn, R.C. and Hoog de, G.S. (2009) A skin infection mimicking chromoblastomycosis by a Capnodialean fungus. Medical Mycology, 47, 81-85. ISSN 1369-3786.

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Most black fungi that are repeatedly involved in human infection belong to the order Chaetothyriales. Capnodialean melanized fungi often thrive in extreme environments like rock surfaces and hypersaline microhabitats. They are able to grow meristematically with very thick cellular walls, resembling muriform cells of agents of chromoblastomycosis. In this report we describe a member of the order Capnodiales causing a chromoblastomycosis-like infection in human skin. However, in tissue the fungus presented with toruloid hyphae and intercalary, chlamydospore-like conidia with transversal septa, rather than with muriform cells. Judging from ITS rRNA sequences, the fungus is related to, but clearly different from, the genera Catenulostroma and Pseudotaeniolina; members of these genera are environmental and only rarely occur on human hosts.

Item Type:Article
Institutes:Centraalbureau voor Schimmelcultures (CBS)
ID Code:6881
Deposited On:27 Jan 2010 01:00
Last Modified:03 Aug 2010 15:25

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