Research Topic: Molecular mycology

Nannizziopsis arthrosporioides infection mimicking ophidiomycosis in ball pythons (Python regius)

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A wild-caught boa snake developed severe skin lesions caused by a fungus called Nannizziopsis arthrosporioides. Within a week, six ball pythons housed nearby developed similar skin infections. Using DNA testing and microscopy, researchers confirmed this was the first documented case of this fungus infecting snakes, demonstrating how quickly fungal infections can spread between animals in shared environments.

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Wildlife Dermatophytoses in Central Italy (Umbria and Marche Regions): A Fifteen-Year Investigation (2010–2024)

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Researchers in central Italy studied fungal skin infections in wild animals over 15 years to understand disease patterns and public health risks. They found that about 11% of wild animals tested positive for dermatophytes (skin fungi), with some species dangerous to humans. The most common fungi found were Paraphyton mirabile and Trichophyton mentagrophytes, which can spread to people through contact with infected animals. The study highlights the importance of monitoring wildlife health and using protective equipment when handling wild animals.

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Cryptococcus neoformans/gattii and Histoplasma capsulatum var. capsulatum infections on tissue sections: Diagnostic pitfalls and relevance of an integrated histomolecular diagnosis

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This research addresses the challenge of identifying two common fungal infections (cryptococcosis and histoplasmosis) when examining tissue samples under a microscope. The study found that these infections often look similar and can be confusing for pathologists. The researchers discovered that looking for specific fungal features, particularly ‘dented-looking’ yeasts, can help differentiate cryptococcosis from histoplasmosis. When standard laboratory tests on fresh tissue aren’t available, using molecular testing (genetic analysis) on preserved tissue samples can successfully identify the fungus in about 75% of cases.

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Molecular identification and phylogenetic analysis of yeast strains isolated from dairy products in Isfahan, Iran

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Researchers tested 155 dairy product samples from Isfahan, Iran to identify yeast species present. They found 11 different yeast species, with some beneficial for flavor and fermentation, and others potentially harmful. Notably, a pathogenic yeast called Candida orthopsilosis was found in industrial milk and cheese, suggesting the need for better sanitation practices in dairy processing facilities.

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Epidermophyton floccosum, an etiological agent of tinea pedis and tinea unguium: about two cases

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Two elderly patients with toenail and foot fungal infections caused by Epidermophyton floccosum were diagnosed using modern molecular testing methods. Traditional microscopic examination alone was difficult, but real-time PCR provided accurate identification. Both patients were treated with terbinafine, a common antifungal medication. The study highlights how modern DNA testing improves diagnosis compared to older methods.

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Integrating Machine Learning and Molecular Methods for Trichophyton indotineae Identification and Resistance Profiling Using MALDI-TOF Spectra

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A new type of fungus called Trichophyton indotineae is causing stubborn skin infections that don’t respond well to standard antifungal treatments. Researchers used advanced laboratory techniques combined with computer analysis to better identify this fungus from MALDI-TOF spectra, which is a quick fingerprinting method for microorganisms. The study showed that machine learning could accurately distinguish this problematic fungus from similar species and found specific markers that could help clinics detect it faster, potentially improving patient treatment outcomes.

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