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Related Concept Videos

Fungal Phylum Ascomycota01:28

Fungal Phylum Ascomycota

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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...
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Fungal Group Zygomycota01:29

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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...
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Related Experiment Video

Updated: Dec 20, 2025

Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
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Fusarium volatile, a new potential pathogen from a human respiratory sample.

A M S Al-Hatmi1,2,3, M Sandoval-Denis1,4, C Nabet5

  • 1Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands.

Fungal Systematics and Evolution
|May 30, 2020
PubMed
Summary
This summary is machine-generated.

A new fungal species, Fusarium volatile, was identified in a French Guiana patient with lung infections. This Fusarium species shows resistance to several common antifungals, requiring further study for treatment strategies.

Keywords:
FFSCFrench Guianaclinical samplesfungal taxonomyphylogeny

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Area of Science:

  • Medical Mycology
  • Fungal Taxonomy
  • Antimicrobial Resistance

Background:

  • Pulmonary infections can be caused by various fungal pathogens.
  • Accurate identification and characterization of fungal species are crucial for effective treatment.
  • The Fusarium genus includes species with diverse clinical and ecological roles.

Purpose of the Study:

  • To isolate and characterize a novel fungal species from a clinical sample.
  • To determine the phylogenetic and morphological distinctiveness of the new species.
  • To evaluate the antifungal susceptibility profile of the newly described fungus.

Main Methods:

  • Isolation of fungus from bronchoalveolar lavage (BAL) sample.
  • Phylogenetic analysis using multiple gene loci (cmdA, tef1, rpb2, tub).
  • Morphological characterization and antifungal susceptibility testing.

Main Results:

  • A new fungal species, Fusarium volatile, was identified and described.
  • Phylogenetic analysis placed the new species within the Fusarium fujikuroi species complex, related to the African clade.
  • Fusarium volatile exhibited resistance to echinocandins, fluconazole, and itraconazole, with lower minimum inhibitory concentrations (MICs) for amphotericin B, voriconazole, and posaconazole.

Conclusions:

  • Fusarium volatile represents a newly identified fungal taxon with potential clinical significance.
  • The distinct phylogenetic and morphological characteristics warrant its classification as a new species.
  • The observed antifungal resistance profile highlights the need for careful selection of antifungal agents for treating infections caused by this species.