fungal infections – Page 4

Detection of ERG11 gene mutation in coding and non-coding regions of clinical Candida glabrata (Nakaseomyces glabratus) isolates from Pakistan

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Researchers in Pakistan identified genetic mutations in a dangerous fungus called Candida glabrata that makes it resistant to azole drugs, which are commonly used to treat fungal infections. They examined eight clinical samples and found novel mutations in the ERG11 gene, particularly in the promoter region of resistant strains. These findings suggest that the fungus may be developing new ways to survive azole treatment, which has important implications for patient treatment strategies.

In Vitro Screening of the Antifungal and Antimycotoxin Effects of a Stilbenoids-Rich Grapevine Cane Extract on Fusarium graminearum, Aspergillus flavus and Penicillium expansum

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Researchers tested an extract made from grapevine pruning waste to see if it could stop harmful fungi and the toxins they produce. The extract, rich in natural compounds called stilbenoids, successfully reduced growth and toxin production in three dangerous fungi that contaminate crops. The effects were strong enough that scientists believe this agricultural waste could become a natural alternative to chemical fungicides for protecting crops.

Resolving the fungal velvet domain architecture by Aspergillus nidulans VelB

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Scientists studied how fungi use special proteins called velvet regulators to control their growth and produce protective chemicals. By examining these proteins in different fungi and using genetic techniques, they found that two specific amino acids are critical for these proteins to interact with each other. This discovery helps explain how fungi coordinate their development with the production of important chemicals, which could eventually help control harmful fungi or improve industrial fungal applications.

Plants, fungi, and antifungals: A little less talk, a little more action

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Researchers propose looking at how plants communicate with fungi to discover new antifungal medicines. Plants send chemical signals to fungi, and understanding these signals could help us develop better treatments for fungal infections in humans and crops. By studying a simple yeast model, scientists found that plant molecules called strigolactones control fungal phosphate metabolism, suggesting they could become new drug targets.

Structural and functional characterisation and regulatory mechanisms of SWI/SNF and RSC chromatin remodelling complexes in fungi

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This review examines special protein complexes called SWI/SNF and RSC that help fungi control their genes by rearranging DNA packaging. These complexes are important for fungal survival under stress and for causing disease. The researchers compared these complexes across different fungal species and found both similarities and differences that could help scientists develop new antifungal medicines.

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 critically ill patients at a major hospital, tracking 120 patients and their fungal infections. Researchers found that diabetes was the most common risk factor, with most fungal infections occurring in urine samples and commonly caused by Candida tropicalis. The study revealed that many fungal strains were resistant to common antifungal drugs like fluconazole, suggesting that doctors need to carefully choose alternative treatments based on each patient’s specific infection type.

Disseminated subcutaneous sporotrichosis in an immunocompetent patient: A case report and a systematic literature review

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A 74-year-old man developed multiple infected lumps on his arm, wrist, and finger months after being injured by a tree branch. Doctors identified the infection as sporotrichosis caused by a fungus called Sporothrix schenckii using advanced genetic testing. He was successfully treated with itraconazole tablets for several months and completely recovered. This case is unusual because sporotrichosis typically affects people with weakened immune systems, but this patient had a normal immune system.

Survey of clinical microbiology and infectious disease testing capabilities among institutions in Africa

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This study surveyed 131 medical laboratories across 28 African countries to understand what types of infectious disease testing they can perform. Researchers found that while most labs can test for parasites and bacteria, fewer can perform tests for viruses (except HIV) or fungi. The study identified that HIV testing is widely available, but better access to other viral and fungal disease testing is needed to improve healthcare and prepare for future disease outbreaks.

mGem: How many fungal secondary metabolites are produced by filamentous fungi? Conservatively, at least 1.4 million

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Scientists have discovered about 30,000 fungal compounds with useful properties, from life-saving antibiotics like penicillin to cholesterol-lowering drugs. However, new research suggests that fungi actually produce somewhere between 1.4 million and 4.3 million different chemical compounds, meaning we’ve only discovered about 1-2% of what’s out there. By studying the genomes of fungi, researchers estimate that for every fungal medicine we know about, there could be 50-100 more waiting to be discovered, representing an enormous opportunity for developing new drugs and therapies.

Aspergillus terreus sectorization: a morphological phenomenon shedding light on amphotericin B resistance mechanism

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This study investigated why some strains of the fungus Aspergillus terreus are resistant to amphotericin B, an important antifungal medicine. Researchers compared a resistant strain with a mutated version that became susceptible to the drug. They found that certain genes called P-type ATPases are more active in resistant strains and may help the fungus pump ions and alter its cell membrane to survive the drug. Additionally, mutations in genes responsible for producing secondary metabolites were linked to the visible changes seen when fungal cultures degenerate.

Disease: fungal infections