Related Experiment Video
Updated: Jun 6, 2026

Isolation of Culturable Yeasts and Molds from Soils to Investigate Fungal Population Structure
Published on: May 27, 2022
Phylogenetic and morphological analysis of Aspergillus ochraceoroseus
M A Klich1, J W Cary, S B Beltz
1U.S.D.A., A.R.S., Southern Regional Research Center, 1100 Robert E. Lee Blvd., New Orleans, Louisiana 70124.
Abstract:
Aspergillus ochraceoroseus produces the yellow-gold conidia and other characteristics of Aspergillus subgenus Circumdati section Circumdati. However, this species produces aflatoxin, a secondary metabolite characteristic of some members of subgenus Circumdati section Flavi and sterigmatocystin, a related secondary metabolite usually associated with subgenus Nidulantes sections Nidulantes and Versicolores, as well as members of several other genera. Our morphological data support the placement of A. ochraceoroseus in subgenus Circumdati. Sequence data from A. ochraceoroseus aflatoxin and sterigmatocystin genes aflR and nor-1/stcE, as well as 5.8S ITS and beta tubulin genes, were compared to those of aspergilli in sections Circumdati, Flavi, Nidulantes and Versicolores. In the sequence comparisons, A. ochraceoroseus was related more closely to the species in subgenus Nidulantes than to species from subgenus Circumdati.
More Related Videos
Related Concept Videos
Fungal Phylum Ascomycota
Fungal Group Zygomycota
Overview of Fungi
Evolutionary Relationships through Genome Comparisons
Fungal Phylum Microsporidia
Fungal Phylum Basidiomycota

