antifungal resistance – Page 6

Antifungal persistence: Clinical relevance and mechanisms

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Some fungal infections don’t respond well to antifungal medications even though the fungi aren’t drug-resistant. This happens because a small percentage of fungal cells enter a dormant, low-energy state that protects them from being killed by the drugs. Understanding how these persistent cells survive and finding ways to target them could help prevent recurring fungal infections and improve treatment outcomes.

Analysis of Susceptibility and Drug Resistance of Antifungal Agents in Aspergillosis and Mucormycosis Patients: A Systematic Review

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This comprehensive study analyzed how well five major antifungal drugs work against common disease-causing fungi like Aspergillus and Mucorales. Researchers reviewed 96 studies examining over 16,000 fungal samples to understand resistance patterns. The findings show that different fungi respond better to different drugs—for example, Aspergillus flavus responds well to voriconazole, while amphotericin B works best against other Aspergillus species. This information helps doctors choose the most effective treatments for fungal infections in vulnerable patients.

Insights into Persian Gulf Beach Sand Mycobiomes: Promises and Challenges in Fungal Diversity

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Researchers studied fungi living in sand and water along Persian Gulf beaches to understand potential health risks for swimmers. They found that fungal species, particularly Aspergillus terreus, were abundant in beach sand, with some fungi showing resistance to common antifungal medicines. The study suggests beaches need better monitoring and sanitation practices to protect public health, especially during busy bathing seasons when many visitors enjoy the coast.

Molecular Identification of Candida Species among Iranian Patients: Pursuing Candida auris

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This study evaluated a simple molecular test called PCR-RFLP to identify different types of Candida fungi in hospitalized patients in Iran. Among 136 patient samples, researchers found eight different Candida species, with common Candida albicans being most prevalent, but other more dangerous species also present. No cases of the emerging pathogen Candida auris were found, though the test method can effectively detect it. The researchers conclude this cost-effective test could be valuable for identifying dangerous fungal infections in developing countries.

Exposure to Tebuconazole Drives Cross-Resistance to Clinical Triazoles in Aspergillus fumigatus

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When farmers use antifungal pesticides called triazoles to protect crops, the fungi can develop resistance to these chemicals. This study found that when the fungus Aspergillus fumigatus is exposed to the agricultural triazole tebuconazole, it can become resistant not only to that pesticide but also to clinical triazole drugs used to treat human fungal infections. The resistant fungi maintain this resistance even when the pesticide is removed, suggesting that environmental pesticide use may threaten the effectiveness of medical antifungal treatments.

Toward the consensus of definitions for the phenomena of antifungal tolerance and persistence in filamentous fungi

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Scientists have proposed clear definitions and testing methods for two drug-resistance phenomena in fungi that cause infections. Unlike typical drug resistance, tolerance and persistence allow fungi to survive antifungal medications but in different ways: tolerance affects most spores while persistence affects only a small fraction. By standardizing how these phenomena are tested using fungal spores and measuring how quickly drugs kill them, researchers can better understand treatment failures and develop better therapies.

Magnusiomyces capitatus bloodstream infection in a patient with acute monocytic leukemia: A rare case report

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A 26-year-old patient with acute leukemia developed a serious fungal blood infection caused by Magnusiomyces capitatus, a rare organism found in environmental sources. The infection was confirmed using advanced molecular techniques and showed resistance to common antifungal drugs but responded to amphotericin B treatment. This case highlights how important it is for doctors to consider unusual fungi in severely immunocompromised patients and to use modern diagnostic methods for accurate identification and tailored treatment.

A case of rare fungal keratitis caused by Pseudoshiraia conidialis

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A 61-year-old woman scratched her eye with a bamboo branch and developed a serious fungal eye infection caused by a rare fungus called Pseudoshiraia conidialis. This is the first reported case of this particular fungus infecting human eyes. Although initial treatment with antifungal medications showed promise, the infection proved difficult to cure due to the fungus being resistant to multiple antifungal drugs. The case highlights the importance of early diagnosis and treatment of fungal eye infections.

Informing the World Health Organization Fungal Priority Pathogens List (WHO-FPPL): A collection of systematic reviews

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The World Health Organization created a priority list of dangerous fungal infections affecting millions of people globally each year. Experts reviewed 19 different fungal pathogens and ranked them by how dangerous they are and how much they need research and treatment development. The list identifies which fungal infections should get the most attention from doctors, researchers, and public health officials to improve patient outcomes and reduce deaths.

The Impact of the Fungal Priority Pathogens List on Medical Mycology: A Northern European Perspective

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Fungal infections affect over a billion people worldwide but are often overlooked in healthcare. The World Health Organization recently created a priority list of dangerous fungi to help doctors and researchers focus their efforts. This review discusses how this list can improve diagnosis, testing, and treatment of fungal infections across Europe, while also highlighting the need for better training and awareness among healthcare workers.

Research Topic: antifungal resistance