Research Keyword: opportunistic pathogens

Black mold in the bag room: First case of Arthrocladium tropicale peritonitis in a peritoneal dialysis patient

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A peritoneal dialysis patient contracted a rare fungal infection caused by Arthrocladium tropicale, a mold found in damp environments and associated with ant nests. The infection was diagnosed through microscopy and genetic testing, revealing resistance to one antifungal drug but susceptibility to amphotericin B. Treatment with this antibiotic and removal of the dialysis catheter led to full recovery, highlighting the importance of keeping medical equipment storage areas dry and pest-free.

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First DNA Barcoding Survey in Bulgaria Unveiled Huge Diversity of Yeasts in Insects

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Researchers conducted the first comprehensive survey of yeasts living in insect guts across Bulgarian national parks. Using DNA analysis, they discovered over 100 yeast strains, nearly half of which were previously unknown to science. The study reveals that insects are natural homes to diverse yeast species and serve as vectors for spreading yeasts in nature, some of which can cause human infections. This research highlights how much remains to be discovered about microorganisms in less-studied regions of the world.

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Deep Fungal Infection of the Skin with Two Rare Fungi in a Dog Being Treated with Immunosuppressant Therapy: A Case Report

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An 8-year-old dog receiving long-term immunosuppressive medication for brain inflammation developed rare fungal skin infections caused by two unusual fungi not previously reported together in veterinary medicine. Diagnosis required multiple tests including tissue samples, staining techniques, and genetic testing. Despite treatment with antifungal medications and careful adjustment of immunosuppressive drugs, the infections did not improve, highlighting the difficult balance between fighting infections and controlling the underlying immune disease.

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Taxonomic revision of Bisifusarium (Nectriaceae)

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This study provides a comprehensive update on Bisifusarium fungi, a group that includes species used in cheese production and some that can cause human infections. Researchers examined 116 fungal isolates from around the world and identified 25 distinct lineages using DNA analysis. They formally described 8 new species and provided detailed descriptions and photos of previously poorly documented species. This work doubles the known diversity of this fungal genus and will help scientists and medical professionals better identify and understand these fungi.

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