Research Topic: enzymatic activity

Effect of Selected Entomopathogenic Fungal Species on Embryonic Development of Ascaris suum (Nematoda)

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Researchers tested five types of fungi that naturally attack insects to see if they could control Ascaris roundworm eggs that contaminate pig farms and pose health risks. While none of the fungi directly killed the eggs, two species (Isaria fumosorosea and Metarhizium robertsii) successfully slowed egg development and showed potential for controlling parasites. These fungi appear to work by producing toxic compounds and enzymes rather than by penetrating the egg shells directly.

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Physicochemical, microbiological, and microstructural changes in germinated wheat grain

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When wheat grains are exposed to moisture and warm conditions, they begin to sprout, which damages their quality and usefulness. This research studied how different moisture, temperature, and time conditions affect sprouted wheat grain. Scientists found that sprouting significantly changes the grain’s structure, reducing its starch content and increasing microbial contamination. The findings suggest that sprouted wheat can be processed into useful products if grown under carefully controlled conditions.

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Characterization of the Enzymatic and Biosorption Processes Involved in the Decolorization of Remazol Brilliant Blue R Dye by Pleurotus ostreatus Pellets

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Oyster mushrooms can effectively remove synthetic dyes from wastewater through a combination of absorption and enzymatic breakdown. Researchers tested Pleurotus ostreatus pellets with a textile dye commonly used as a standard pollutant. The mushroom achieved over 98% dye removal, suggesting it could be used in wastewater treatment systems to clean industrial textile effluent. The fungus both absorbs the dye and produces enzymes that break it down.

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Physicochemical, microbiological, and microstructural changes in germinated wheat grain

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When wheat grains sprout due to rain during harvest, it ruins their quality and causes major economic losses. This study examined what happens inside wheat grains as they sprout under different moisture, temperature, and time conditions. The researchers found that sprouting causes significant changes in grain structure, reduces key quality indicators, and increases microbial contamination. They identified the best conditions for controlling sprouting to potentially create useful products from affected grain.

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Biocontrol Potential of Bacillus velezensis RS65 Against Phytophthora infestans: A Sustainable Strategy for Managing Tomato Late Blight

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Researchers tested 30 soil bacteria from tomato roots to find natural disease fighters. They discovered that Bacillus velezensis RS65, a beneficial bacterium, effectively prevents tomato late blight by producing enzymes and toxins that kill the fungal pathogen. In greenhouse tests, plants treated with RS65 had half the disease severity compared to untreated plants, suggesting this bacteria could replace chemical fungicides in sustainable tomato farming.

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Talaromyces pinophilus Strain HD25G2 as a Novel Biocontrol Agent of Fusarium culmorum, the Causal Agent of Root and Crown Rot of Soft Wheat

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A fungus called Talaromyces pinophilus shows promise as a natural pest controller against Fusarium culmorum, which damages wheat crops worldwide. When applied early to wheat seeds, this beneficial fungus produces enzymes that break down the harmful fungus’s cell walls, completely preventing damage and toxin contamination. However, timing is critical—if applied too late, it can paradoxically increase toxin production, suggesting it works best as a preventative treatment before infection occurs.

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