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Ulocladium

Species of Ulocladium should not be confused with other poroconidial genera such as Stemphylium, Alternaria, Bipolaris, Exserohilum, Dreschlera and Curvularia. A human case of keratitis has been reported (Badenoch et al. 2006).

RG-1 organism.

Morphological Description: 
Colonies are rapid growing, brown to olivaceous-black or greyish and suede-like to floccose. Microscopically, numerous, usually solitary, multicelled conidia (dictyoconidia) are formed through a pore (poroconidia) by a sympodially elongating geniculate conidiophore. Conidia are typically obovoid (narrowest at the base), dark brown and often rough-walled. Seven species have been described, all being saprophytes.

Molecular Identification: 
ITS sequencing is sufficient for genus identification (Badenoch et al. 2006) and Woudenberg et al. 2013).

References: 
Ellis (1970, 1976), Domsch et al. (1980), Rippon (1988), Samson et al. (1995), de Hoog et al. (2000).

Antifungal Susceptibility: Ulocladium very limited data (Pujol et al. 2000 and Australian National data); MIC µg/mL.
Antifungal Range Antifungal Range Antifungal Range
AmB 1->16 VORI 0.25 ITRA 0.06->16

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