Antimicrobial activity – Page 3

Bioactive Peptides from Quinoa (Chenopodium quinoa Willd.) as Modulators of the Gut Microbiome: A Scoping Review of Preclinical Evidence

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This review examines how quinoa and its protein-derived peptides can improve gut health by changing the balance of bacteria in the digestive system. Research shows that quinoa helps boost beneficial bacteria, increases diversity of microbial communities, and promotes production of butyrate, a beneficial compound that supports intestinal health. Different disease conditions show specific improvements, such as reduced harmful bacteria in colitis and better metabolic balance in obesity, suggesting quinoa could be tailored for personalized health interventions.

From hive to laboratory – biotechnological potential of microorganisms from honey

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Honey contains many beneficial microorganisms that can survive its harsh environment of high sugar and low pH. These microorganisms have the ability to produce useful compounds like lactic acid, citric acid, and other valuable substances used in food, medicine, and industry. Scientists believe these honey-derived microbes have significant potential for industrial applications but need more research to fully unlock their benefits.

Bioactive Compounds and Antioxidant Activity of Boletus edulis, Imleria badia, Leccinum scabrum in the Context of Environmental Conditions and Heavy Metals Bioaccumulation

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This study examined three popular edible mushroom species from Poland to understand their nutritional benefits and safety. While all three mushrooms are rich in beneficial compounds like antioxidants and immune-boosting polysaccharides, Boletus edulis (porcini) accumulates concerning levels of cadmium from soil. The research shows these mushrooms are safe in normal amounts, but eating excessive quantities of porcini mushrooms could exceed safe limits for toxic metals, especially for people in polluted areas.

Physiological Insights into Enhanced Epsilon-Poly-l-Lysine Production Induced by Extract Supplement from Heterogeneous Streptomyces Strain

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Researchers discovered that exposing bacteria that produce epsilon-poly-l-lysine (a natural antimicrobial compound) to extracts from another closely related bacterium dramatically increases production by 2.6-fold. Using advanced analysis techniques, they found that this boost occurs because the extract triggers the bacteria to activate defense mechanisms, rerouting its metabolism to produce more of this antimicrobial compound. This finding could significantly reduce the cost of producing this useful natural preservative for foods and medicines, making it more commercially viable.

Natamycin-Loaded Ethyl Cellulose/PVP Films Developed by Microfluidic Spinning for Active Packaging

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Researchers developed special thin films that can help preserve fruits and vegetables by preventing mold growth. These films are made by combining two biodegradable polymers with an antimicrobial substance called natamycin using a new spinning technique. The films successfully inhibited gray mold, which causes major spoilage in strawberries, tomatoes, and other crops. This technology offers a promising way to extend shelf life and reduce food waste.

Advances of Peptides for Plant Immunity

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Plant peptides are small signaling molecules that help plants defend themselves against diseases and pests. These peptides can work by directly killing pathogens or by activating the plant’s immune system. Researchers have identified over 1000 different plant peptides, and this review explains how they work and how they could be used to create disease-resistant crops and natural biopesticides.

Genomic Insights into the Microbial Agent Streptomyces albidoflavus MGMM6 for Various Biotechnology Applications

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Scientists analyzed the genetic makeup of a soil bacterium called Streptomyces albidoflavus MGMM6 and discovered it has remarkable abilities for cleaning up pollution. The bacterium can break down harmful dyes used in industries, remove heavy metals from wastewater, and kill plant disease-causing fungi. These findings suggest this microorganism could be used in agriculture to protect crops and in environmental cleanup efforts.

Harnessing carbon potential of lignocellulosic biomass: advances in pretreatments, applications, and the transformative role of machine learning in biorefineries

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This comprehensive review examines how agricultural and forestry waste containing lignocellulose can be transformed into valuable products like biofuels, packaging materials, and medical supplies. The paper covers various treatment methods to break down the tough plant material structure and highlights how artificial intelligence can improve these processes. By utilizing this abundant waste resource efficiently, we can reduce environmental pollution, generate renewable energy, and create useful products while supporting a circular economy approach.

Novel Antimicrobial Activities of Albofungin, Albonoursin, and Ribonucleosides Produced by Streptomyces sp. Caat 5-35 Against Phytopathogens and Their Potential as a Biocontrol Agent

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Scientists discovered that a soil bacterium called Streptomyces sp. Caat 5-35 produces natural compounds that can kill crop-damaging pathogens. These compounds, including albofungin and albonoursin, showed strong activity against diseases affecting cacao and palm crops. The bacterium also helps plants by breaking down cellulose and making phosphorus more available, making it a promising tool for natural crop protection without synthetic chemicals.

Novel, Edible Melanin-Protein-Based Bioactive Films for Cheeses: Antimicrobial, Mechanical and Chemical Characteristics

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Researchers developed a natural, edible coating for cheese made from whey protein and melanin pigment that prevents spoilage better than commercial coatings. The coating contains melanin, which gives the cheese a natural brown color that consumers prefer, along with natural antimicrobial agents nisin and natamycin. After 40 days of cheese aging, the new melanin coating showed superior protection against harmful bacteria compared to synthetic commercial coatings while being completely edible and requiring no peeling.

therapeutic action: Antimicrobial activity