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Published on: November 25, 2022
Culture and propagation of microsporidia of veterinary interest
Maria Anete Lallo1, Lidiana Flora Vidoto Da Costa, Anuska Marcelino Alvares-Saraiva
1Environmental and Experimental Pathology, Paulista University, São Paulo, Brazil.
Abstract:
Microsporidia are obligate intracellular mitochondria-lacking pathogens that rely on host cells to grow and multiply. Microsporidia, currently classified as fungi, are ubiquitous in nature and are found worldwide. They infect a large number of mammals and are recognized as opportunistic infection agents in HIV-AIDS patients. Its importance for veterinary medicine has been unveiled in recent years through the description of clinical and subclinical forms of infection in domestic and wild animals. Domestic and wild birds may be infected by the same human microsporidia, reinforcing their zoonotic potential. Microsporidiosis in fish is prevalent and causes significant economic losses for fish farming. Some species of microsporidia have been propagated in cell cultures, which may provide conditions for the development of diagnostic techniques, understanding of pathogenesis and immune responses and for the discovery of potential therapies. Unfortunately, the cultivation of these parasites is not fully standardized in most research laboratories, especially in the veterinary field. The aim of this review is to relate the most important microsporidia of veterinary interest and demonstrate how these pathogens can be grown and propagated in cell culture for diagnostic purposes or for pathogenesis studies. Cultivation of microsporidia allowed the study of its life cycle, metabolism, pathogenesis and diagnosis, and may also serve as a repository for these pathogens for molecular, biochemical, antigenic and epidemiological studies.
Insights
Microsporidia are fungi that infect animals and humans, causing disease. This review highlights veterinary-important microsporidia and their cultivation in cell cultures for diagnosis and research.
Area of Science:
- Veterinary Parasitology
- Microbiology
- Cell Biology
Background:
- Microsporidia are obligate intracellular parasites, classified as fungi, found globally.
- They infect a wide range of hosts, including mammals, birds, and fish, posing zoonotic risks and causing economic losses in aquaculture.
- Microsporidia are opportunistic pathogens, particularly relevant in immunocompromised individuals like HIV-AIDS patients.
Purpose of the Study:
- To review key microsporidia species of veterinary significance.
- To demonstrate methods for cultivating microsporidia in cell cultures for diagnostic and research applications.
- To emphasize the importance of standardized cultivation for understanding pathogenesis and developing therapies.
Main Methods:
- Review of scientific literature on microsporidia of veterinary interest.
- Discussion of cell culture techniques for propagating microsporidia.
- Exploration of applications of cultivated microsporidia in diagnostics, pathogenesis studies, and repository preservation.
Main Results:
- Microsporidia cultivation facilitates detailed studies of their life cycle, metabolism, and pathogenesis.
- Cell culture provides a platform for developing diagnostic tools and identifying potential therapeutic targets.
- Standardized cultivation protocols are crucial for consistent research outcomes, especially in veterinary settings.
Conclusions:
- Cell culture is essential for advancing the study and management of microsporidiosis in veterinary medicine.
- Effective cultivation techniques support the development of diagnostics, therapies, and a deeper understanding of microsporidian biology.
- Further standardization of cultivation methods is needed to fully leverage its potential in veterinary research and practice.
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