Aspergillus terreus
On Czapek dox agar, colonies are typically suede-like and cinnamon-buff to sand brown in color with a yellow to deep dirty brown reverse. Conidial heads are compact, columnar (up to 500 x 30-50 um in diameter) and biseriate. Conidiophores are hyaline and smooth-walled. Conidia are globose to ellipsoidal (1.5-2.5 um in diameter), hyaline to slightly yellow and smooth-walled. RG-2 organism.

Culture of Aspergillus terreus.
Conidial head of A. terreus.
Note: conidial heads are biseriate.
MIC data is limited. Antifungal susceptibility testing of individual strains is recommended.
| Antifungal | MIC ug/mL | Antifungal | MIC ug/mL |
||
Range |
MIC90 |
Range |
MIC90 |
||
| Itraconazole | 0.03-1 |
0.25 |
Amphotericin B | 0.06-16 |
4 |
| Voriconazole | 0.06-2 |
0.25 |
Anidulafungin | 0.03 |
nd |
| Posaconazole | 0.03-2 |
0.125 |
Caspofungin | 0.015-0.5 |
nd |
Clinical significance:
Aspergillus terreus occurs commonly in soil and is occasionally reported as a pathogen of humans and animals.
Mycosis: Aspergillosis
Further reading:
De Hoog G.S. and J Guarro. 1995. Atlas of clinical fungi. Centraalbureau voor Schimmelcultures, Baarn and Delft, The Netherlands.
Kwon-Chung, K.J. and J.E. Bennett. 1992. Medical Mycology. Lea & Febiger, Philadelphia and London.
