metabolomics – Page 13

Volatile Semiochemicals Emitted by Beauveria bassiana Modulate Larval Feeding Behavior and Food Choice Preference in Spodoptera frugiperda (Lepidoptera: Noctuidae)

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Researchers discovered that a beneficial fungus called Beauveria bassiana produces odorous chemicals that can discourage pest insects from eating crops. When certain strains of this fungus release their characteristic smell (particularly a compound called 3-methylbutanol), larvae of the fall armyworm pest eat less and avoid treated plants. Interestingly, the plants themselves respond by producing defensive compounds when exposed to these fungal odors. This finding suggests a new approach to pest control that harnesses the natural chemical communication between fungi, plants, and insects.

Application of ATR-FTIR and FT-NIR spectroscopy coupled with chemometrics for species identification and quality prediction of boletes

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Researchers developed a fast and non-destructive method to identify different types of edible boletes and assess their nutritional quality by analyzing their amino acid content. Using special spectroscopy techniques combined with computer analysis, they achieved perfect accuracy in identifying five bolete species and could predict the amino acid content that contributes to flavor and nutrition. This breakthrough provides consumers with better protection against accidentally purchasing toxic mushroom species that look similar to edible ones, while helping food producers quickly assess quality without lengthy lab testing.

Comparative Characterization of Key Volatile Compounds in Slow- and Fast-Growing Duck Raw Meat Based on Widely Targeted Metabolomics

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This study compared the aroma and flavor compounds in raw duck meat from two different breeding types: slower-growing heritage breeds and faster-growing commercial breeds. Using advanced chemical analysis tools, researchers found that slow-growing ducks produce meat with a fatty and fruity smell due to higher levels of certain oils, while fast-growing ducks have a mushroom-like aroma. The study also revealed that differences in the meat’s chemical composition, particularly in fat metabolism and amino acids, explain these flavor differences and can help duck farmers breed better-tasting birds.

Elucidation of Mechanism of Soil Degradation Caused by Continuous Cropping of Dictyophora rubrovalvata Using Metagenomic and Metabolomic Technologies

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When farmers grow Dictyophora rubrovalvata mushrooms in the same soil repeatedly, the soil becomes degraded and mushroom production fails. Scientists found that repeated cultivation changes the soil’s microbe populations, reducing beneficial bacteria while increasing harmful fungi, and toxic compounds accumulate that further damage mushroom growth. By understanding these mechanisms through DNA sequencing and chemical analysis, better strategies can be developed to maintain healthy soil for sustainable mushroom farming.

LC/MS- and GC/MS-based metabolomic profiling to determine changes in flavor quality and bioactive components of Phlebopus portentosus under low-temperature storage

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This research examines what happens to black bolete mushrooms when stored in the refrigerator. Scientists used advanced chemical analysis to track how the mushroom’s flavor and nutritional compounds change over a two-week period. They discovered that an earthy smell compound called geosmin builds up during storage, which affects how the mushroom tastes. The findings suggest that cold storage alone is not ideal, and better preservation methods need to be developed.

Different metabolite profiles across Penicillium roqueforti populations associated with ecological niche specialisation and domestication

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This study examined how different populations of the blue cheese fungus Penicillium roqueforti produce varying amounts of toxic and beneficial compounds depending on their environment. Cheese-making strains were found to produce fewer toxins than strains from spoiled food and lumber, likely due to selective breeding for safer products. The research identified specific genetic mutations that prevent cheese strains from producing certain toxins, helping explain why some cheese strains are safer than others.

Newly Discovered Fungal Species from Black Pepper Marketed in Brazil: Penicillium pipericola sp. nov. and Syncephalastrum brasiliense sp. nov.

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Researchers in Brazil discovered two new fungal species found on commercially sold black pepper. While one species can produce a toxic compound that concerns food safety experts, both species also produce molecules with potential medical benefits, including compounds that may help fight cancer and neurological diseases. This discovery highlights the importance of monitoring fungi in food products while also revealing unexpected pharmaceutical potential hidden in everyday spices.

Comparative Multi-Omics Analysis and Antitumor Activity of Phylloporia crataegi and Phylloporia fontanesiae

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Researchers compared two types of medicinal fungi (Phylloporia crataegi and Phylloporia fontanesiae) to understand why one is better at fighting cancer. They used advanced techniques to examine the fungi’s chemicals, genes, and proteins, discovering that P. crataegi contains special compounds like trans-cinnamic acid that help kill cancer cells. This study provides important information for developing new cancer treatments from these fungi.

Exploring the Mechanisms of Amino Acid and Bioactive Constituent Formation During Fruiting Body Development in Lyophyllum decastes by Metabolomic and Transcriptomic Analyses

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This study examined how Lyophyllum decastes mushrooms develop and build up their nutritious compounds. Researchers tracked amino acids and polysaccharides across four growth stages and identified which genes control their production. The mature mushrooms contained the highest levels of beneficial compounds, with amino acids reaching 45,107.39 μg/g and polysaccharides at 13.66 mg/g. These findings help explain why these mushrooms are nutritious and suggest ways to grow them better for maximum health benefits.

Comparative Multi-Omics Analysis and Antitumor Activity of Phylloporia crataegi and Phylloporia fontanesiae

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Two species of medicinal fungi were studied to understand why one was better at fighting cancer cells. Researchers analyzed the chemicals, genes, and proteins in both fungi and found that Phylloporia crataegi had much higher levels of cancer-fighting compounds and activated special cellular defense pathways that harm cancer cells. This research shows that medicinal fungi could be promising sources for developing new cancer treatments.

Research Keyword: metabolomics