Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Fungal Phylum Ascomycota01:28

Fungal Phylum Ascomycota

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...
Fungal Group Zygomycota01:29

Fungal Group Zygomycota

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...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

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...
Fungal Phylum Basidiomycota01:26

Fungal Phylum Basidiomycota

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...
Overview of Fungi01:29

Overview of Fungi

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...
Bacterial Phylum Actinobacteria01:30

Bacterial Phylum Actinobacteria

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Chemodiversity of <i>Penicillium</i> isolated from alpine and arctic environments, including ten new species.

Studies in mycology·2026
Same authorSame journal

From chaos to tranquillity: a modern approach to the identification, nomenclature and phylogeny of <i>Aspergillus</i>, <i>Penicillium</i> and other <i>Eurotiales</i>, including an updated accepted species list.

Studies in mycology·2026
Same author

Section-level genome sequencing and comparative genomics of <i>Aspergillus</i> sections <i>Cavernicolus</i> and <i>Usti</i>.

Studies in mycology·2025
Same author

Different metabolite profiles across Penicillium roqueforti populations associated with ecological niche specialisation and domestication.

IMA fungus·2024
Same author

What are the 100 most cited fungal genera?

Studies in mycology·2024
Same author

A review of recently introduced <i>Aspergillus</i>, <i>Penicillium</i>, <i>Talaromyces</i> and other <i>Eurotiales</i> species.

Studies in mycology·2024

Related Experiment Video

Updated: May 29, 2026

Isolation of Culturable Yeasts and Molds from Soils to Investigate Fungal Population Structure
10:33

Isolation of Culturable Yeasts and Molds from Soils to Investigate Fungal Population Structure

Published on: May 27, 2022

New taxa in Aspergillus section Usti.

R A Samson, J Varga, M Meijer

    Studies in Mycology
    |September 6, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Phylogenetic analysis reveals new Aspergillus species, expanding the Usti section to 21 species. This research details novel species like Aspergillus germanicus and Aspergillus carlsbadensis, contributing to fungal taxonomy.

    Keywords:
    AscomycetesAspergillus section UstiITScalmodulinextrolitespolyphasic taxonomyβ-tubulin

    More Related Videos

    Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
    09:52

    Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis

    Published on: March 9, 2018

    Isolation, Behavioral Identification, and Pathogenicity Assessment of Entomopathogenic Fungi from a Forest Wood Borer
    06:58

    Isolation, Behavioral Identification, and Pathogenicity Assessment of Entomopathogenic Fungi from a Forest Wood Borer

    Published on: September 29, 2023

    Related Experiment Videos

    Last Updated: May 29, 2026

    Isolation of Culturable Yeasts and Molds from Soils to Investigate Fungal Population Structure
    10:33

    Isolation of Culturable Yeasts and Molds from Soils to Investigate Fungal Population Structure

    Published on: May 27, 2022

    Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
    09:52

    Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis

    Published on: March 9, 2018

    Isolation, Behavioral Identification, and Pathogenicity Assessment of Entomopathogenic Fungi from a Forest Wood Borer
    06:58

    Isolation, Behavioral Identification, and Pathogenicity Assessment of Entomopathogenic Fungi from a Forest Wood Borer

    Published on: September 29, 2023

    Area of Science:

    • Mycology
    • Fungal Taxonomy
    • Phylogenetics

    Background:

    • Aspergillus section Usti is a diverse group of fungi with complex taxonomic relationships.
    • Previous classifications did not fully resolve the phylogenetic positions of all species within this section.
    • The teleomorphic states of some species were previously misassigned or not fully characterized.

    Purpose of the Study:

    • To delineate and describe new species within Aspergillus section Usti based on molecular and morphological data.
    • To clarify the taxonomic status of previously described species and resolve phylogenetic ambiguities.
    • To investigate the phylogenetic placement of Fennellia monodii and propose a new combination if necessary.

    Main Methods:

    • Phylogenetic analysis of sequence data, including ITS, beta-tubulin, and calmodulin gene regions.
    • Isolation and characterization of novel fungal strains from various environmental samples (indoor air, soil, natural habitats).
    • Comparative analysis of sequence data with existing GenBank entries and type strains.
    • Extrolite analysis to aid in chemical grouping and species differentiation.

    Main Results:

    • Identification and description of four new species: Aspergillus germanicus, Aspergillus carlsbadensis, Aspergillus californicus, and Aspergillus pseudoustus.
    • Reclassification of Fennellia monodii to Aspergillus monodii comb. nov. within the Emericella genus based on phylogenetic evidence.
    • Resolution of phylogenetic relationships, placing species into distinct clades and confirming the expansion of Aspergillus section Usti to 21 species.
    • Differentiation of species based on sequence data, growth at 37°C, and acid production on CREA.

    Conclusions:

    • The study significantly expands the known diversity of Aspergillus section Usti with the addition of new species.
    • Phylogenetic analyses are crucial for accurate fungal taxonomy, leading to revised classifications and new combinations.
    • The findings provide a more robust understanding of the evolutionary history and relationships within Aspergillus section Usti.