gene expression – Page 11

Integration of ATAC-Seq and RNA-Seq Identifies Key Genes in Light-Induced Primordia Formation of Sparassis latifolia

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Researchers studied how light triggers the formation of mushroom fruiting bodies in Sparassis latifolia using advanced molecular techniques. They identified 30 key genes that become more or less active during this light-induced transformation, particularly those involved in vitamin and amino acid metabolism. The genes identified are associated with pathways that help convert simple fungal threads into the complex mushroom structures we eat. These findings could help improve mushroom cultivation methods and deepen our understanding of how mushrooms develop.

Enhancement and Mechanism of Ergosterol Biosynthesis in Termite Ball Fungus Athelia termitophila by Methyl Jasmonate

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Scientists studied how to increase ergosterol production in termite ball fungus, a medicinal fungus used in traditional medicine. By adding methyl jasmonate, a natural signaling molecule, they more than doubled ergosterol content. Ergosterol is used to make vitamin D2 and certain medications for inflammation and cancer. The study identified which genes need to be activated for better ergosterol production, providing insights for creating more effective medical products from fungi.

Mushrooms Do Produce Flavonoids: Metabolite Profiling and Transcriptome Analysis of Flavonoid Synthesis in the Medicinal Mushroom Sanghuangporus baumii

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Researchers discovered that the medicinal mushroom Sanghuangporus baumii produces 81 different flavonoids, compounds known for their health benefits including antioxidant and anti-cancer properties. Using advanced genetic and chemical analysis, they identified the genes and processes responsible for this flavonoid production in mushrooms, which differs from how plants make these compounds. By increasing the activity of a key gene called PAL, they were able to boost flavonoid production in the mushroom. This discovery opens new possibilities for using mushrooms as biological factories to produce flavonoids for medical and nutritional applications.

Natural Products in Renal-Associated Drug Discovery

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This research examines how natural products like green tea and medicinal mushrooms can help treat kidney diseases. Scientists reviewed various plants used in traditional medicine and analyzed how compounds from these plants affect gene expression in kidney cells. The study identified specific genes and biological pathways that explain how these natural antioxidants and anti-inflammatory agents protect kidneys from injury and disease.

Mechanism Analysis of Amphotericin B Controlling Postharvest Gray Mold in Table Grapes

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This research shows that amphotericin B, a natural compound produced by bacteria, can effectively prevent gray mold from spoiling table grapes after harvest. The compound works by damaging the mold’s cell membranes and also activates the grapes’ own defense systems. At a treatment level of 200 mg/L, it completely prevented mold growth on grapes over a three-day storage period, offering a safer, more environmentally friendly alternative to synthetic fungicides.

Tolerance and antioxidant response to heavy metals are differentially activated in Trichoderma asperellum and Trichoderma longibrachiatum

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This research examined how two types of fungi called Trichoderma respond to contamination from heavy metals like copper, lead, and chromium. The study found that one species (T. longibrachiatum) is better at surviving heavy metal exposure than the other. Both species activate defensive mechanisms to combat the toxic effects, including producing protective proteins and enzymes that neutralize harmful molecules called reactive oxygen species.

Adaptive laboratory evolution of Blakeslea trispora under acetoacetanilide stress leads to enhanced β-carotene biosynthesis

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Scientists used a technique called adaptive laboratory evolution to make a fungus called Blakeslea trispora produce much more beta-carotene, a natural compound that converts to vitamin A in the body and has health benefits. By gradually exposing the fungus to increasing levels of a chemical stressor over 16 months, they helped it evolve to produce 45% more beta-carotene. The adapted fungus showed changes in its genes, physical structure, and fat composition that helped it thrive under stress while making more of this valuable compound.

Antifungal Volatile Organic Compounds from Talaromyces purpureogenus CEF642N: Insights from One Strain Many Compounds (OSMAC) Strategy for Controlling Verticillium dahliae in Cotton

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Scientists discovered that a beneficial fungus called Talaromyces purpureogenus produces natural antifungal compounds that effectively control cotton wilt disease caused by the harmful fungus Verticillium dahliae. The study identified two main compounds, 3-octanol and 2-octenal, that showed strong antifungal activity without synthetic chemicals. This research offers a promising green alternative for protecting cotton crops from one of agriculture’s major diseases while being environmentally friendly.

Strategies for Enhancing Resilience in Horticultural Crops Against Combined Abiotic Stresses

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As climate change brings more extreme weather, vegetable and fruit crops face multiple environmental challenges simultaneously, like drought, high salt content, and heat. Scientists have developed practical approaches to make these crops stronger, including breeding tougher varieties, grafting plants onto hardy rootstocks, and applying special nanoparticles and natural plant boosters. These combined strategies help crops survive harsh conditions while maintaining good yields and quality, supporting food security for growing populations worldwide.

Influences of substrate and tissue type on erinacine production and biosynthetic gene expression in Hericium erinaceus

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Researchers studied how different growing conditions affect erinacine production in lion’s mane mushroom mycelium. They found that the type of nutrients provided (substrate) significantly influences which erinacines are produced, even when the genes responsible for making these compounds show similar activity levels. Mycelium produced much more erinacines than fruit bodies, and specific nutrients could be used to encourage production of specific beneficial compounds.

Research Keyword: gene expression