Related Experiment Video
Updated: Mar 9, 2026
10:33
Isolation of Culturable Yeasts and Molds from Soils to Investigate Fungal Population Structure
Published on: May 27, 2022
7.2K
Polyphasic taxonomy of Aspergillus section Cervini
A J Chen1, J Varga2, J C Frisvad3
1Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, PR China; CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands.
Studies in Mycology
|January 5, 2017
Summary
This study clarifies the taxonomy of Aspergillus section Cervini, identifying ten species including six new ones. A polyphasic approach ensures accurate identification of these morphologically similar fungi.
Area of Science:
- Mycology
- Fungal Taxonomy
- Molecular Systematics
Background:
- Species in Aspergillus section Cervini share similar morphology, leading to frequent misidentification.
- Accurate identification is crucial for understanding fungal diversity and ecological roles.
Purpose of the Study:
- To resolve the taxonomic relationships within Aspergillus section Cervini.
- To identify and describe new species within this section.
- To provide a reliable identification key for the section.
Main Methods:
- A polyphasic approach combining morphological characterization, extrolite profiling, and temperature studies.
- Molecular phylogenetic analysis using partial BenA, CaM, and RPB2 gene sequences.
- Detailed morphological examination of conidial heads and other fungal structures.
Main Results:
- The study resolved Aspergillus section Cervini into ten distinct species.
- Six new species were identified and described: A. acidohumus, A. christenseniae, A. novoguineensis, A. subnutans, A. transcarpathicus, and A. wisconsinensis.
- A dichotomous key for the identification of species within the section was developed.
Conclusions:
- The polyphasic approach successfully delineated species boundaries within Aspergillus section Cervini.
- The newly described species expand the known diversity of this fungal group.
- The provided identification key will aid researchers in accurate species determination.
Keywords:
A. christenseniae A.J. Chen, Frisvad & SamsonA. novoguineensis A.J. Chen, Frisvad & SamsonA. subnutans A.J. Chen, Frisvad & SamsonA. transcarpathicus A.J. Chen, Frisvad & SamsonA. wisconsinensis A.J. Chen, Frisvad & SamsonAscomycetesAspergillus acidohumus A.J. Chen, Frisvad & SamsonEurotialesExtrolitesMulti-gene phylogenySubgenus FumigatiMore Related Videos
06:58Author Spotlight: Evaluation of Entomopathogenic Fungi in Wild Monochamus alternatus Populations for Biocontrol Applications in Forest Wood Borers
Published on: September 29, 2023
1.5K
09:52Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
11.1K
Related Concept Videos
01:28Fungal Phylum Ascomycota
2.0K
Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
2.0K
01:26Fungal Phylum Basidiomycota
1.7K
Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
1.7K
01:29Fungal Group Zygomycota
1.8K
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
1.8K
01:30Bacterial Phylum Actinobacteria
782
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
782
01:28Fungal Phylum Microsporidia
661
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
661
01:29Overview of Fungi
2.2K
Fungi are a diverse group of eukaryotes more closely related to animals than other eukaryotes. Fungal cell walls comprise chitin, a polysaccharide that provides structural strength, and glucans, which contribute to flexibility and integrity. Other polysaccharides, such as mannans and galactosans, may supplement or replace chitin in some fungi. These adaptations, along with their preference for acidic environments and tolerance for high osmotic pressure, enable fungi to thrive in various...
2.2K