metabolomics – Page 6

Integrated Transcriptomics and Metabolomics Provide Insight into Degeneration-Related Molecular Mechanisms of Morchella importuna During Repeated Subculturing

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Morel mushrooms are prized edible fungi that unfortunately degrade when repeatedly cultured in the laboratory, becoming slower-growing and less productive. Researchers used advanced genetic and chemical analysis to discover that degeneration occurs when the mushroom stops producing flavonoids, natural antioxidants that protect cells from damage. A specific gene called NR-PKS is responsible for making these protective flavonoids, and it shuts down in degraded strains. The study suggests that preservation methods using cold storage or adding antioxidants could help maintain healthy, productive morel cultures.

Antifungal and other bioactive properties of the volatilome of Streptomyces scabiei

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Researchers discovered that Streptomyces scabiei, a bacterium known for causing common scab disease on potatoes and other root vegetables, produces various airborne chemicals with surprising benefits. Using advanced laboratory techniques, scientists identified 36 different volatile compounds from this bacterium, many of which can kill harmful fungi and potentially help plants grow better. While traditionally viewed as purely harmful, these findings suggest the bacterium may actually serve a more complex role in soil, sometimes protecting crops from more dangerous diseases.

Soil microorganism colonization influenced the growth and secondary metabolite accumulation of Bletilla striata (Thunb.) Rchb. F.

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Chinese ground orchid (Bletilla striata) is a medicinal plant whose growth and medicinal compound production depend heavily on soil microorganisms. Researchers found that different soil types harbor different beneficial microbes: sandy loam soils boost plant growth, while sandy clay soils increase medicinal compound concentration. Specific microbes colonize different plant parts, with some promoting growth in roots and tubers, while others enhance the production of militarine, a compound with potential anti-aging and cognitive benefits.

Omics approaches to investigate pre-symbiotic responses of the mycorrhizal fungus Tulasnella sp. SV6 to the orchid host Serapias vomeracea

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This research explores how orchid-associated fungi sense and respond to their host plants before they even make physical contact. Scientists used advanced molecular techniques to track changes in gene expression and chemical composition in Tulasnella fungal cells when exposed to orchid plants. The fungi showed significant metabolic preparation, increasing production of proteins and cellular membrane components, suggesting they are actively preparing for symbiosis. This study reveals that plant-fungus interactions begin through long-distance chemical communication before the organisms ever physically meet.

The very-long-chain (3R)-3-hydroxyacyl-CoA dehydratase Phs1 regulates ATP levels and virulence in Cryptococcus neoformans

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Researchers found that a protein called Phs1, which helps Cryptococcus neoformans (a dangerous fungus) produce essential fatty acids, is important for the fungus to cause disease. When this protein was removed, the fungus produced less melanin (a pigment), couldn’t grow well at body temperature, and had a weaker cell wall. Most importantly, the fungus produced less energy (ATP) and was much less deadly in infected mice, suggesting that blocking Phs1 could potentially be a new way to treat cryptococcal infections.

Study on the inhibitory mechanism of fig leaf extract against postharvest Fusarium in melon

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Researchers discovered that fig leaves contain natural compounds that can prevent fruit rot caused by Fusarium fungus in melons. When applied to infected melons, the fig leaf extract kills the fungus by damaging its cell membranes and overwhelming it with harmful molecules called reactive oxygen species. This natural treatment could replace chemical fungicides that harm the environment and leave residues on food, offering a safer way to preserve melons during transport and storage.

Effects of a biotechnologically produced Pleurotus sapidus mycelium on gut microbiome, liver transcriptome and plasma metabolome of broilers

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Researchers tested whether mushroom mycelium (the root structure of mushrooms) grown in large bioreactors could be used as a supplement in chicken feed as a sustainable alternative to traditional ingredients. Over 5 weeks, broilers received feed with 0%, 2.5%, or 5% mushroom mycelium, with no negative effects on growth, digestion, or overall health observed. The study suggests that this biotechnologically produced mushroom biomass is a safe and potentially sustainable feed ingredient for poultry production.

Targeted metabolomic and transcriptomic reveal the regulatory network of ultrasound on polyphenol biosynthesis in tender coconut flesh during storage

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Researchers studied how ultrasound treatment affects the polyphenolic compounds (natural antioxidants) in coconut flesh during storage. By analyzing both the chemicals and genes involved, they found that ultrasound helps preserve important polyphenols like catechin and epicatechin by controlling the expression of genes that break them down. This discovery could help extend the shelf life of tender coconut products and maintain their nutritional value.

Metabolic Patterns of Fluconazole Resistant and Susceptible Candida auris Clade V and I

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Researchers used advanced chemical analysis to identify different compounds produced by a dangerous fungus called Candida auris that can cause serious infections. They compared fungal strains that were resistant to the antifungal drug fluconazole with those that were susceptible, finding that resistant strains produced different metabolites (chemical compounds) than susceptible ones. These findings could help doctors develop better treatments by identifying what makes this fungus resistant to current medications.

Integrated Transcriptomics and Metabolomics Provide Insight into Degeneration-Related Molecular Mechanisms of Morchella importuna During Repeated Subculturing

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Morel mushrooms lose quality when repeatedly cultured in laboratories, becoming slower-growing and less vibrant. Scientists discovered this happens because genes controlling antioxidant production shut down, allowing harmful free radicals to damage cells. By avoiding frequent subculturing and using cold storage or antioxidant supplements, farmers can keep their morel strains healthy and productive for longer.

Research Keyword: metabolomics