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Updated: May 16, 2026
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Infection of Zebrafish Larvae with Aspergillus Spores for Analysis of Host-Pathogen Interactions
Published on: May 16, 2020
Current section and species complex concepts in Aspergillus: recommendations for routine daily practice.
Ana Alastruey-Izquierdo1, Emilia Mellado, Manuel Cuenca-Estrella
1Mycology Department, Spanish National Center for Microbiology, Instituto de Salud Carlos III, Madrid, Spain.
Annals of the New York Academy of Sciences
|December 13, 2012
Summary
Molecular identification advances fungal taxonomy, revealing cryptic Aspergillus species. These species may show antifungal resistance, necessitating molecular identification and susceptibility testing for effective clinical management.
Area of Science:
- Medical Mycology
- Molecular Taxonomy
Background:
- Molecular techniques have revolutionized fungal taxonomy, enabling the discovery of cryptic species previously misidentified within morphologically similar groups.
- Cryptic species of Aspergillus are increasingly recognized in clinical settings, with current estimates suggesting they comprise 10-14% of all Aspergillus species.
Purpose of the Study:
- To highlight the significance of cryptic fungal species, particularly Aspergillus, in clinical mycology.
- To emphasize the challenges posed by cryptic species regarding accurate identification and antifungal susceptibility.
Main Methods:
- Review of current literature on molecular identification of fungi.
- Analysis of the implications of cryptic species discovery in clinical Aspergillus infections.
Main Results:
- Molecular methods have identified numerous cryptic fungal species, altering traditional taxonomy.
- A notable percentage of clinical Aspergillus isolates may represent cryptic species.
- Emerging data suggest that cryptic Aspergillus species might exhibit increased resistance to antifungal therapies.
Conclusions:
- Accurate identification of fungal pathogens, especially cryptic species, is crucial for effective treatment.
- Molecular identification methods and antifungal susceptibility testing are essential tools for managing invasive fungal infections.
- Further research is needed to fully understand the prevalence and clinical impact of cryptic Aspergillus species.
