Mycological Diagnostics

Development of reverse transcription loop-mediated isothermal amplification-based assay for rapid and specific detection of human fungal pathogen, Candida auris

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Researchers developed a new rapid test called RT-LAMP to detect Candida auris, a dangerous multidrug-resistant fungus that causes hospital infections. The test works by changing color from pink to yellow when the fungus is present, making it easy to read without special equipment. It is more sensitive and specific than current methods, can be done quickly at a single temperature, and costs much less than existing tests, making it ideal for hospitals and clinics with limited resources.

The Prognostic Value of (1→3)-β-D-Glucan in COVID-19 Patients with and Without Secondary Fungal Disease

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During COVID-19 infection, a fungal marker called beta-D-glucan (BDG) in the blood can predict patient survival even without a diagnosed fungal infection. Researchers found that COVID-19 patients with high BDG levels had a 91% death rate if not treated with antifungal drugs, but this dropped to 50% when antifungal therapy was given. The high BDG levels trigger a strong inflammatory response in the body that worsens disease severity, making BDG a valuable warning sign for doctors treating critically ill COVID-19 patients.

Candida blankii: The Difficult Capture of a Fungus With Pathogenic Potential

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Candida blankii is a rare fungal pathogen that is increasingly being found in hospital patients’ bloodstreams and respiratory tracts. The organism is difficult to identify using standard laboratory tests, which can delay diagnosis and treatment. This case report describes two adult patients with C. blankii infections and highlights the challenges in identifying this emerging pathogen and its resistance to common antifungal medications.

Evaluation of Clinical, Microbiological Profiles and Management Patterns with Outcomes of Patients with Fungal Isolates in An Intensive Care Unit of A Tertiary Care Center: A Prospective Observational Study

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This study examined fungal infections in intensive care unit patients at a major hospital in India. Researchers found that diabetes was the most common risk factor, and most infections were caused by Candida species found in urine samples. Many fungal isolates were resistant to common antifungal drugs like fluconazole, suggesting doctors need to be more careful about which medications they use to treat these infections.

A prospective, multicenter study of invasive fungal disease caused by molds in children and adults in Chile

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Researchers in Chile studied serious mold infections in 176 hospitalized patients (adults and children) over two years. They found that aspergillosis (a lung infection caused by Aspergillus mold) was the most common, especially in patients whose immune systems were compromised by cancer, transplants, or medications. Interestingly, nearly 40% of cases also involved COVID-19 infection. Although almost all patients received antifungal medications, survival rates were concerning, with about one-third of patients still alive after six months.

Detection of Mucorales antigen in bronchoalveolar lavage samples using a newly developed lateral-flow device

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Researchers developed and tested a new rapid test (TG11-LFD) for detecting mucormycosis, a dangerous fungal infection, using a simple device similar to a COVID rapid test. The test detects a specific protein marker released by Mucorales fungi in lung fluid samples. In testing with 62 clinical samples, the new test correctly identified about 77% of actual infections and was negative in about 76% of non-infected samples. This affordable, simple test could help doctors quickly diagnose mucormycosis and start life-saving treatment faster, especially in countries with limited laboratory resources.

Dual-Emission FRET-PCR Outperforms SYBR Green and EvaGreen for Accurate Discrimination of Primary Canine Dermatophytes: Microsporum canis, Nannizzia gypsea, and Trichophyton mentagrophytes

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Dogs often get fungal skin infections caused by three main types of fungi. Doctors have traditionally grown these fungi in culture, which takes 2-4 weeks. Scientists have now developed a faster genetic test called FRET-PCR that can identify which fungus is causing the infection in just 2.5 hours. This new test is more accurate and reliable than older genetic tests, helping veterinarians treat infections quickly and prevent them from spreading.

Histoplasma capsulatum as a cause for prolonged pulmonary illness in an immunocompetent returning traveller from Bangladesh

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A 57-year-old man returning from Bangladesh developed a severe lung infection that lasted several weeks and required hospitalization with breathing support. Doctors initially thought he had tuberculosis or bacterial pneumonia, but standard tests came back negative. Advanced fungal testing eventually identified the cause as histoplasmosis, a fungal infection he likely caught while supervising construction work. After treatment with antifungal medications, the patient recovered and was discharged to continue medication at home for a year.

Research Topic: Mycological Diagnostics