antibacterial activity – Page 5

Transcriptom Analysis of Auricularia auriculla-judae Fruit Body Treated with Gamma Radiation on Mycelium

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Researchers studied how the wood ear mushroom (Auricularia auricula-judae) responds to gamma radiation at the genetic level. They found that when exposed to radiation, the mushroom activates DNA repair mechanisms and eliminates damaged cells through cell death, rather than relying on antioxidant defenses like some other fungi. This research helps us understand how edible mushrooms naturally protect themselves from radiation damage.

Crab vs. Mushroom: A Review of Crustacean and Fungal Chitin in Wound Treatment

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Chitin, a natural material found in crab shells and mushrooms, can be used to make wound dressings that speed up healing and fight infection. The review compares these two sources, finding that crab-derived chitin has been studied more extensively and has several commercial products available, while mushroom-derived chitin offers advantages like lower cost and easier processing. Both types work by promoting cell growth, stopping bleeding, and killing bacteria, making them promising alternatives to traditional wound dressings for treating difficult-to-heal wounds.

Mycosynthesis of Metal-Containing Nanoparticles—Synthesis by Ascomycetes and Basidiomycetes and Their Application

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Scientists have discovered that common fungi like mushrooms and molds can produce tiny nanoparticles that fight bacteria, kill cancer cells, and speed up chemical reactions. This fungal method is much cheaper, safer, and more environmentally friendly than traditional chemical production methods. The nanoparticles can be used in medical treatments, wound dressings, water purification, and farming as natural fertilizers and pesticides.

Ultrasound-Assisted Preparation of Chitosan Oligosaccharide-Stabilized Thyme Oil-in-Water Nanoemulsions: Enhanced Storage Stability and Antimicrobial Properties

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Researchers created tiny droplets of thyme oil mixed in water using sound waves and a natural stabilizer from shellfish shells. These droplets stayed stable for weeks without separating and worked twice as well at fighting bacteria and mold compared to regular thyme oil. The new formula could be used to keep fresh food from spoiling during storage.

Antifungal and other bioactive properties of the volatilome of Streptomyces scabiei

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Researchers discovered that Streptomyces scabiei, a bacterium that causes common scab disease in potatoes and other root crops, produces numerous airborne chemical compounds with surprising benefits. Using advanced chemical analysis, they identified 36 different volatile molecules, many of which can kill harmful fungi and promote plant health. This discovery suggests the bacterium’s role in nature is more complex than previously thought, as it may actually help protect plants while causing disease, opening new possibilities for developing natural pest control solutions.

Characterizing antimicrobial activity of environmental Streptomyces spp. and oral bacterial and fungal isolates from Canis familiaris and Felis catus

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Researchers collected bacteria and fungi from the mouths of pet dogs and cats, as well as environmental soil bacteria, to search for natural antimicrobial compounds. They found that some of these microorganisms produce substances that can kill harmful bacteria like E. coli and fungi like Candida albicans, especially when combined with existing antifungal medications. Notably, one environmental bacterium (Streptomyces) produced a compound that was even effective against fungal strains resistant to common antifungal drugs, suggesting promising new treatment possibilities.

First Chemical Investigation of Korean Wild Mushroom, Amanita hemibapha subsp. javanica and the Identification of Anti-Helicobacter pylori Compounds

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Researchers studied a Korean edible mushroom called Amanita hemibapha subsp. javanica and found it contains compounds that can kill the bacteria Helicobacter pylori, which causes stomach ulcers and gastric cancer. One compound in particular showed strong antibacterial activity, performing even better than some known antibiotics. These findings suggest this mushroom could be a natural source for developing new medicines to treat H. pylori infections and fight antibiotic-resistant strains.

Extraction and Identification of the Bioactive Metabolites Produced by Curvularia inaequalis, an Endophytic Fungus Collected in Iran from Echium khuzistanicum Mozaff

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Scientists discovered a beneficial fungus living inside the leaves of an Iranian medicinal plant. They isolated three compounds from this fungus, with the main compound showing powerful activity against drug-resistant bacteria and plant-damaging fungi. This discovery suggests that beneficial fungi within plants could be valuable sources for developing new medicines and natural pesticides.

Antimicrobial effects and mechanisms of hydrogen sulphide against nail pathogens

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Researchers discovered that hydrogen sulphide (H2S), a small gas molecule, can effectively kill the fungi and bacteria that cause painful nail infections. Unlike current treatments that struggle to penetrate into the nail, hydrogen sulphide easily diffuses through the nail plate. The study found that H2S works by damaging the fungi’s respiratory system and creating harmful reactive oxygen species, while also modifying proteins in a way that disrupts their normal function. This innovative approach could offer patients a new topical treatment option for nail infections that have been difficult to treat with existing medications.

New insights toward personalized therapies for vulvovaginal candidiasis and vaginal co-infections

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Vaginal yeast infections (vulvovaginal candidiasis) and bacterial vaginosis are very common conditions affecting millions of women worldwide. Current treatments often fail or lead to antibiotic resistance. This review explores new personalized approaches including zinc supplementation, specific probiotics, and immune-boosting therapies that are tailored to each woman’s unique vaginal environment to prevent recurring infections.

therapeutic action: antibacterial activity