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School of Molecular & Biomedical Science
THE UNIVERSITY OF ADELAIDE
AUSTRALIA 5005

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Dr David Ellis

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Ochroconis gallopava

Colonies are smooth to suede-like, dry, flat, tobacco-brown to brownish-black with a dark brown diffusible pigment.   Hyphae are brown with relatively thick walls. Conidiophores are mostly cylindrical to acicular, sometimes poorly differentiated, bearing a few conidia at the tip.   Conidia are two-celled, subhyaline to pale brown, smooth-walled to verrucose, cylindrical to clavate, constricted at the septum, 11-18 x 2.5-4.5 µm in size, with the apical cell wider than the basal cell.   A remnant of a denticle may also be seen at the conidial base.   Optimum growth at 35C, tolerant to 40C. RG-2 organism.

Hyphae, conidiophores and conidia of Ochroconis gallopava.

 

MIC data is limited.  Antifungal susceptibility testing of individual strains is recommended.

Antifungal
MIC ug/mL
Antifungal
MIC ug/mL
Antifungal
MIC ug/mL
Range
Range
Range
Amphotericin B
0.03-2
Itraconazole
0.03-0.5
Voriconazole
0.03-1

 

Clinical significance:

Ochroconis gallopava is a well recognised species and has been reported as an avian pathogen, especially in poultry.  Occasional human infections have also been reported.

Mycosis: Phaeohyphomycosis

Further reading:

Domsch, K.H., W. Gams, and T.H. Anderson. 1980. Compendium of soil fungi. Volume 1. Academic Press, London, UK.

Rippon, J.W. 1988. Medical Mycology. 3rd Edition. W.B. Saunders Co., Philadelphia, USA.