antifungal resistance – Page 11

Prevalence and antifungal susceptibility profiles of Candida isolates among patients with candiduria: a multiplex PCR assay

mycolabadmin

Researchers studied yeast infections in urine from hospitalized patients using advanced molecular testing. They found that while Candida albicans was most common, other yeast species were becoming more resistant to antifungal medications. The study used a 21-tube PCR test to identify different yeast species and tested which medications worked best against them. Results showed that newer yeast species were much more likely to resist commonly used antifungal drugs like fluconazole.

Deletion of RAP1 affects iron homeostasis, azole resistance, and virulence in Candida albicans

mycolabadmin

Researchers found that a protein called Rap1 plays a critical role in how the dangerous fungus Candida albicans acquires and uses iron, which is essential for its survival in the human body. When the RAP1 gene was deleted, the fungus became much less virulent and lethal in infected mice, while paradoxically becoming more resistant to the antifungal drug fluconazole under iron-limited conditions. These findings suggest that targeting iron acquisition through Rap1 could be a new therapeutic strategy against serious fungal infections.

Overexpression of efflux pump and biofilm associated genes in itraconazole resistant Candida albicans isolates causing onychomycosis

mycolabadmin

Researchers studied why some fungal nail infections caused by Candida albicans stop responding to the antifungal drug itraconazole. They found that resistant fungal cells have higher activity of genes that pump the drug out of cells and produce slimy protective coatings called biofilms. These resistant fungi also formed less dense biofilms when the drug was present from the start. Understanding these resistance mechanisms could help develop new treatments by targeting the pump systems or breaking down the protective biofilm layers.

Brown locusts, Locustana pardalina, host fluconazole-resistant Candidozyma (Candida) auris, closely related to Clade III clinical strains

mycolabadmin

Scientists found that brown locusts in South Africa carry a dangerous yeast called Candida auris that is resistant to the antifungal drug fluconazole. This yeast is similar to strains that infect hospital patients and is highly adaptable, surviving extreme temperatures and salt levels found in locust guts. This discovery suggests that insects like locusts could play a role in spreading this emerging fungal pathogen in nature, which has important implications for understanding how dangerous microbes spread between animals and humans.

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

mycolabadmin

This study examined fungal infections in patients staying in intensive care units at a hospital. Researchers found that diabetes was the most common risk factor, and a fungus called Candida tropicalis was the most frequently isolated organism from urine samples. Many of the fungal strains were resistant to fluconazole, a common antifungal medication, suggesting doctors need to choose different treatments based on which drugs the fungi are resistant to.

The Burden of Neonatal Invasive Candidiasis in Low- and Middle-income Countries: A Systematic Review and Meta-analysis

mycolabadmin

This study examined fungal blood infections in newborns across low- and middle-income countries, analyzing data from nearly 11,000 cases. Researchers found these infections occur more frequently and have higher death rates in poorer countries compared to wealthy nations. They identified that most infections are caused by Candida fungus species, and many of these fungi have become resistant to fluconazole, the most commonly used treatment drug.

The association of Yarrowia lipolytica with onychomycosis

mycolabadmin

A 20-year-old woman suffered from a persistent toenail infection that didn’t respond to several standard antifungal treatments over five years. Researchers identified the culprit as Yarrowia lipolytica, a rare yeast not previously known to cause nail infections. Testing showed this yeast was resistant to common antifungal medications the patient had received, explaining why previous treatments failed. This unusual case highlights the importance of properly identifying fungal pathogens and testing them for drug resistance before starting treatment.

Spectrum of Fungal Infections in Continuous Ambulatory Peritoneal Dialysis: A 20-Year Retrospective Study From a Tertiary Care Center

mycolabadmin

This study examined fungal infections in patients undergoing continuous ambulatory peritoneal dialysis (CAPD) over 20 years at a major Indian hospital. Researchers identified various fungal species causing peritonitis, with Candida species being most common, but discovered increasingly rare fungi involved in these infections. The study found that proper identification of the specific fungus and testing for drug resistance is crucial for effective treatment, typically involving catheter removal and targeted antifungal medications.

Clinical aspects and recent advances in fungal diseases impacting human health

mycolabadmin

Fungal infections are becoming a major health threat, affecting over a billion people worldwide. The main problems are difficulty diagnosing these infections, increasing resistance to current medications, and limited treatment options. Doctors and the public need better awareness, and new antifungal drugs with different approaches are needed to effectively treat resistant infections.

A Review on Aspergillosis in Turkey: As a Main Fungal Disease in Poultry

mycolabadmin

Aspergillosis is a serious fungal disease affecting turkeys, especially young birds, caused by breathing in fungal spores from moldy hay, compost or poorly ventilated housing. The disease causes respiratory problems, can spread to other organs, and can kill 30-50% of affected flocks. Prevention through good ventilation, clean housing and dry feed is more effective than treatment since few antifungal drugs are approved for food animals. Understanding how environmental conditions promote this disease is key to protecting turkey populations.

Research Topic: antifungal resistance