transcriptome analysis – Page 4

In vitro and in vivo inhibitory effects and transcriptional reactions of graphene oxide on Verticillium dahliae

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Graphene oxide, a nanomaterial derived from graphene, effectively inhibits the growth of Verticillium dahliae, a fungus that causes devastating wilt disease in cotton and many other plants. The study shows that graphene oxide damages the fungal cell membrane and disrupts key metabolic processes, preventing the fungus from growing and infecting plants. When applied to cotton plants, graphene oxide treatment significantly reduced wilt disease symptoms, suggesting it could be a promising alternative to chemical fungicides for controlling this important agricultural disease.

Acidic pH Reduces Fluconazole Susceptibility in Cryptococcus neoformans by Altering Iron Uptake and Enhancing Ergosterol Biosynthesis

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This research shows that acidic environments, like those found in inflamed tissues and inside immune cells, make the fungus Cryptococcus neoformans more resistant to the antifungal drug fluconazole. The fungus adapts to acidic conditions by using an alternative iron uptake system that increases the production of protective compounds (ergosterol) in its cell membrane. Understanding this pH-dependent resistance mechanism could help develop better treatment strategies for cryptococcal infections in patients with compromised immune systems.

VdPAT1 encoding a pantothenate transporter protein is required for fungal growth, mycelial penetration and pathogenicity of Verticillium dahliae

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Verticillium dahliae is a destructive fungus that causes a wilting disease in cotton crops. Researchers found that a specific protein (VdPAT1) that helps the fungus absorb vitamin B5 is critical for its survival and ability to infect cotton plants. When they disabled this protein, the fungus grew poorly, couldn’t penetrate plant tissues effectively, and became much less virulent, suggesting this protein could be a target for controlling the disease.

ChnagG Plays the Role of 5-Salicylate Hydroxylase in the Gentisic Acid Pathway of Salicylic Acid Metabolism in Cochliobolus heterostrophus

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A common corn fungus called Cochliobolus heterostrophus has evolved a clever strategy to infect maize plants by producing an enzyme that breaks down salicylic acid, a key plant defense hormone. When scientists removed the gene encoding this enzyme, the fungus became less effective at causing disease and plants mounted stronger immune responses. This discovery helps explain how this fungal pathogen overcomes plant defenses and could lead to new ways to protect corn crops.

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

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This study examined how different growing conditions and tissue types affect erinacine production in lion’s mane mushrooms. Researchers found that mycelium (the fungal threads) produced far more erinacines than fruit bodies, and that the type of growth medium significantly influenced which erinacines were produced. Interestingly, changes in erinacine production weren’t always reflected in gene activity levels, suggesting other cellular mechanisms control these beneficial compounds.

Transcriptome Reveals the Key Genes Related to the Metabolism of Volatile Sulfur-Containing Compounds in Lentinula edodes Mycelium

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Researchers studied how shiitake mushroom mycelium develops its characteristic sulfur-containing flavor during early growth stages. They found that the first 15 days of mycelial growth produce the most volatile flavor compounds, similar to those found in mature mushrooms. Using advanced genetic analysis and computer modeling, they identified two key genes (Leggt3 and Lecsl3) responsible for producing these flavor compounds. This research suggests that mushroom mycelium could be cultivated as an efficient source for producing shiitake flavor compounds for use in food additives and flavorings.

Energy Metabolism Enhance Perylenequinone Biosynthesis in Shiraia sp. Slf14 through Promoting Mitochondrial ROS Accumulation

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Scientists studied two similar fungi to understand how one produces more of a beneficial compound called perylenequinones (PQs), which have medical uses against infections and cancer. They discovered that the high-producing strain uses energy more efficiently, which causes tiny structures in the cells called mitochondria to produce reactive molecules (ROS). These reactive molecules trigger the fungus to make more PQs as a protective response. By controlling these processes, researchers can potentially improve the production of this valuable medicine.

Comparative transcriptome analysis reveals the genetic basis underlying the biosynthesis of polysaccharides in Hericium erinaceus

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Researchers studied six different strains of lion’s mane mushrooms to understand how they produce beneficial compounds called polysaccharides. Using advanced genetic analysis, they identified thirteen key genes responsible for making these health-promoting molecules. The study found that a strain called PZH-05 produced the most polysaccharides, and its genes were more active than in other strains. This research helps explain why lion’s mane mushrooms are effective for boosting immunity, fighting cancer, and managing blood sugar.

Integrated genome and transcriptome analysis reveals pathogenic mechanisms of Calonectria eucalypti in Eucalyptus leaf blight

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Scientists studied a dangerous fungus called Calonectria eucalypti that kills eucalyptus trees worldwide. They sequenced the fungus’s entire genetic code and tracked which genes it turned on during infection. They found that the fungus uses different strategies at different stages of infection, starting with penetration, then breaking down plant cell walls, and finally stealing nutrients. This research helps us understand how the fungus works and develop better ways to protect eucalyptus plantations.

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.

Research Keyword: transcriptome analysis