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Emmonsia parva as causal agent of adiaspiromycosis in a fox
Abstract:
The authors report on adiaspiromycosis of a fox (Vulpes vulpes) caused by Emmonsia parva. Species diagnosis was made on the basis of dimensions of the fungus found in the lungs of the animal, the histopathological picture of tissue changes and the properties of the isolated culture. The identification of the fungus was also confirmed by experimental infection. The differential diagnosis of the agent of adiaspiromycosis is discussed by experimental infection. The differential diagnosed of the agent of adiaspiromycosis is discussed and attention is called to confusion of the species. E. crescens and E. parva in the past. The finding represents the first case of adiaspiromycosis due to E. parva in Europe.
Insights
This study documents the first European case of adiaspiromycosis in a fox, caused by the fungus Emmonsia parva. Diagnosis involved fungal dimensions, histopathology, and culture, confirmed by experimental infection.
Area of Science:
- Veterinary Mycology
- Wildlife Pathology
Background:
- Adiaspiromycosis is a fungal disease affecting various mammals.
- Emmonsia species, particularly E. crescens and E. parva, are known causative agents.
- Distinguishing between Emmonsia species can be challenging.
Purpose of the Study:
- To report the first case of adiaspiromycosis caused by Emmonsia parva in Europe.
- To detail the diagnostic methods used for species identification.
- To discuss differential diagnosis and historical species confusion.
Main Methods:
- Morphological analysis of fungal elements in lung tissue.
- Histopathological examination of affected tissues.
- Isolation and culture of the causative fungus.
- Confirmation through experimental infection.
Main Results:
- Adiaspiromycosis was diagnosed in a fox (Vulpes vulpes).
- The causative agent was identified as Emmonsia parva based on fungal dimensions and culture characteristics.
- Histopathology revealed characteristic tissue changes.
- Experimental infection confirmed the isolate's pathogenicity.
Conclusions:
- This represents the first documented case of Emmonsia parva causing adiaspiromycosis in Europe.
- Accurate species identification is crucial, given past confusion between E. crescens and E. parva.
- The study highlights the importance of mycological diagnostics in wildlife health.