Aspergillus ostianus

Aspergillus ostianus
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Eurotiomycetes
Order:	Eurotiales
Family:	Aspergillaceae
Genus:	Aspergillus
Species:	A. ostianus
Binomial name
	Aspergillus ostianus; Wehmer (1899)

Last updated August 17, 2025

Aspergillus ostianus is a species of fungus in the genus Aspergillus . It is from the Circumdati section.^[2] The species was first described in 1899.^[1] It has been reported to produce ochratoxin A.^[2]

Growth and morphology

A. ostianus has been cultivated on both Czapek yeast extract agar (CYA) plates and Malt Extract Agar Oxoid® (MEAOX) plates. The growth morphology of the colonies can be seen in the pictures below.

Aspergillus ostianus growing on CYA plate
Aspergillus ostianus growing on MEAOX plate

References

1 2 Wehmer 1899, Bot. Centralbl. 80: 461
1 2 Visagie, C.M.; Varga, J.; Houbraken, J.; Meijer, M.; Kocsubé, S.; Yilmaz, N.; Fotedar, R.; Seifert, K.A.; Frisvad, J.C.; Samson, R.A. (2014). "Ochratoxin production and taxonomy of the yellow aspergilli (Aspergillus section Circumdati)". Studies in Mycology. 78: 1–61. doi:10.1016/j.simyco.2014.07.001. PMC 4255584 . PMID 25492980.

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[thomchurch1926-1] 1 2 Wehmer 1899, Bot. Centralbl. 80: 461

[isolation-2] 1 2 Visagie, C.M.; Varga, J.; Houbraken, J.; Meijer, M.; Kocsubé, S.; Yilmaz, N.; Fotedar, R.; Seifert, K.A.; Frisvad, J.C.; Samson, R.A. (2014). "Ochratoxin production and taxonomy of the yellow aspergilli (Aspergillus section Circumdati)". Studies in Mycology. 78: 1–61. doi:10.1016/j.simyco.2014.07.001. PMC 4255584 . PMID 25492980.

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