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Rev. iberoam. micol ; 27(1): 22-24, ene.-mar. 2010. ilus
Article in English | IBECS | ID: ibc-80629

ABSTRACT

Se describe e ilustra el nuevo celomicete Pyrenochaeta keratinophila, aislado de un raspado corneal procedente de un caso de queratitis en España. Este hongo se caracteriza morfológicamente por tener colonias de color gris oliváceo a verdoso, setas picnidiales escasas principalmente situadas cerca del ostiolo, y producir conidios fialídicos a partir del micelio aéreo. Este último carácter no se ha observado en ninguna otra especie del género Pyrenochaeta. La secuencia de la región ITS de ADNr de esta cepa clínica confirma nuestra propuesta y pone de manifiesto su estrecha relación con la familia Leptosphaeriaceae(AU)


The new coelomycete Pyrenochaeta keratinophila, isolated from corneal scrapings of a case of keratitis in Spain, is described and illustrated. This fungus is morphologically characterized by grey-olivaceous to greenish olivaceous colonies, scarce pycnidial setae placed mainly near the ostiole and production of phialoconidia from the aerial mycelium. The latter feature is unknown in any other species of the genus Pyrenochaeta. Sequencing of the ITS rDNA region of this clinical strain confirmed this proposal and revealed its close genetic relationship with the Leptosphaeriaceae


Subject(s)
Humans , Eye Infections, Fungal/microbiology , Keratitis/microbiology , Fungi/classification , Opportunistic Infections/microbiology , Fungi/isolation & purification
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