Research Topic: Antimicrobial peptides

Bioactive Peptides and Other Immunomodulators of Mushroom Origin

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Mushrooms contain special compounds called peptides and proteins that can boost your immune system and fight harmful bacteria. These mushroom-derived compounds show promise as natural alternatives to antibiotics, which are becoming less effective due to antibiotic resistance. Researchers are studying how these mushroom compounds could help treat difficult infections, wounds that won’t heal, and cancer, though more testing is needed before they can be used widely as medicines.

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Whey Proteins and Bioactive Peptides: Advances in Production, Selection and Bioactivity Profiling

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Whey, a liquid byproduct from cheese-making that was once considered waste, contains valuable proteins that can be broken down into smaller bioactive peptides. These peptides have numerous health benefits including antimicrobial, anti-inflammatory, and antioxidant properties, and can be used in functional foods and medicines. Researchers are developing advanced techniques to extract and produce these peptides more efficiently, and using computer models to predict which peptides will have specific health benefits.

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Antifungal activity and mechanism of novel peptide Glycine max antimicrobial peptide (GmAMP) against fluconazole-resistant Candida tropicalis

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Scientists developed a new antimicrobial peptide called GmAMP that can effectively kill drug-resistant fungal infections caused by Candida tropicalis, a pathogen resistant to common antifungal medications. The peptide works by damaging the fungal cell membrane and is safe for human use. In laboratory tests using insect larvae, the peptide successfully treated infections and reduced the fungal burden, suggesting it could become a new treatment option for patients with resistant fungal infections.

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Expression of a novel NaD1 recombinant antimicrobial peptide enhances antifungal and insecticidal activities

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Scientists created a new genetically modified tobacco plant that produces a powerful natural pest-fighting protein called NaD1. By attaching special chitin-binding components to this protein, they made it stick better to fungal pathogens and insect digestive systems. When tested, these enhanced proteins killed fungi more effectively and caused higher mortality rates in crop-damaging insects, offering a promising natural alternative to chemical pesticides.

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Effect of Antibacterial Peptide Microsphere Coating on the Microbial and Physicochemical Characteristics of Tricholoma matsutake during Cold Storage

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This research demonstrates that coating expensive wild matsutake mushrooms with special antimicrobial peptides wrapped in tiny polymer microspheres can keep them fresh for up to 20 days instead of just 1-3 days. The coating works by protecting mushrooms from water loss, microbial spoilage, and browning while preserving their texture and nutritional quality. This edible coating technology could help mushroom producers sell their products over longer distances and extend availability of these prized wild mushrooms.

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Strategies and materials for the prevention and treatment of biofilms

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Biofilms are sticky communities of bacteria that form on medical devices and surfaces, making infections very difficult to treat with antibiotics. This review explains how biofilms develop in stages and describes different ways to stop them from forming or to destroy them once they exist. Solutions include special coatings on medical implants, natural plant extracts like essential oils, and engineered proteins called antimicrobial peptides that fight bacteria without creating antibiotic resistance.

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The antifungal mechanism of EntV-derived peptides is associated with a reduction in extracellular vesicle release

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Researchers discovered that a small peptide derived from a bacterium called EntV can fight Candida fungal infections by targeting specialized vesicles (tiny sacs) that fungi use to spread infections. Unlike traditional antifungal drugs that kill fungi, EntV works by blocking the release of these vesicles, reducing the fungus’s ability to infect and form protective biofilms. This new approach could lead to treatments that work against drug-resistant fungi without the toxicity issues of current antifungals.

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