fungal infection – Page 14

Genetic and Genomic Analysis Identifies bcltf1 as the Transcription Factor Coding Gene Mutated in Field Isolate Bc116, Deficient in Light Responses, Differentiation and Pathogenicity in Botrytis cinerea

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Scientists identified the genetic mutation responsible for unusual traits in a fungal strain (Bc116) that causes grape disease. The mutation in the bcltf1 gene prevents the fungus from infecting plants when exposed to light, while making it produce excessive spores and form smaller seed structures. By restoring the normal gene in laboratory experiments, researchers confirmed that this single gene controls multiple important fungal behaviors related to light sensing and disease-causing ability.

Vernicia fordii leaf extract inhibited anthracnose growth by downregulating reactive oxygen species (ROS) levels in vitro and in vivo

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Researchers found that leaves from the tung tree (Vernicia fordii) contain natural compounds that effectively kill a fungus (Colletotrichum fructicola) that damages oil tea plants. The extract works by increasing harmful oxidative stress in fungal cells and turning off genes the fungus needs to survive. This explains why farmers have successfully grown these trees together for centuries to naturally reduce disease.

ABPA in post-tuberculosis lung disease: A diagnostic pitfall or genuine entity?

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After tuberculosis treatment, some patients develop fungal lung infections that can look very similar to an allergic fungal disease called ABPA. This editorial warns doctors that they need to be careful about diagnosing ABPA in tuberculosis patients because treating it with the wrong medications could make the fungal infection worse. The key difference is that true ABPA causes wheezing and asthma-like symptoms, while post-TB fungal infections cause cavities and scarring in the lungs.

Folliculocentric tinea versicolor: a case report

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A 46-year-old woman was diagnosed with an unusual presentation of tinea versicolor, a common fungal skin infection, where the fungus centered around hair follicles rather than appearing as typical patches. The condition was successfully treated with antifungal medications, though some changes persisted. The doctors noted that the patient’s history of keratosis pilaris (a common bumpy skin condition on the arms and thighs) may have contributed to this unusual follicle-focused presentation.

Histoplasma capsulatum prosthetic valve endocarditis treated with oral isavuconazole

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A 76-year-old man developed a rare fungal infection on his artificial heart valve caused by Histoplasma capsulatum, a fungus found in soil and bird droppings. After surgery to replace the infected valve, he was treated with isavuconazole, an antifungal medication that proved highly effective and better tolerated than traditional treatments. After nine months of therapy, all signs of infection had resolved and his new valve was working properly.

Exploring fungal pathogens to control the plant invasive Rubus niveus on Galapagos Island San Cristobal

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Hill raspberry is a highly invasive plant that has taken over approximately 30,000 hectares of the Galapagos Islands, threatening native plant species. Traditional control methods like manual removal and herbicide spraying are expensive and ineffective. Researchers identified five species of fungal pathogens that naturally occur on infected Hill raspberry plants and can cause disease on healthy plants, offering promise as biological control agents to suppress this invasive species.

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

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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.

Kinome analysis of Madurella mycetomatis identified kinases in the cell wall integrity pathway as novel potential therapeutic drug targets in eumycetoma caused by Madurella mycetomatis

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Eumycetoma is a serious fungal infection that causes large skin lesions and is very difficult to treat, even with long-term medication and surgery. Researchers used computer analysis to identify proteins called kinases that are essential for the fungus to survive. They found that targeting kinases involved in building the fungal cell wall could potentially lead to new treatments. By testing existing drugs, they discovered eight compounds that could inhibit fungal growth, offering hope for better treatment options.

Pulmonary Mucormycosis in Diabetic Patients: A Case Series From a Tertiary Respiratory Center in Sri Lanka

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This case study describes three patients with diabetes who developed a serious lung infection caused by a rare fungus called mucormycosis. The infection presented with various symptoms like cough, fever, and weight loss, and was diagnosed using lung tissue samples that showed the characteristic fungal structures. Two patients recovered with prolonged antifungal medication treatment, while one patient unfortunately died despite receiving prompt treatment, highlighting how serious this infection can be.

Kre6-dependent β-1,6-glucan biosynthesis only occurs in the conidium of Aspergillus fumigatus

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Researchers discovered that a specific sugar compound called β-1,6-glucan is found in the spore-like reproductive structures (conidia) of the fungus Aspergillus fumigatus but not in its growing filaments (mycelium). Using advanced nuclear magnetic resonance technology, they identified the KRE6 gene as responsible for making this sugar and found that removing this gene makes the fungus more vulnerable to certain chemicals that damage fungal cell walls.

Research Keyword: fungal infection