transcription factors – Page 2

Genetic and Genomic Analysis Identifies bcltf1 as the Transcription Factor Coding Gene Mutated in Field Isolate Bc116, Deficient in Light Responses, Differentiation and Pathogenicity in Botrytis cinerea

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Researchers studied a weak strain of gray mold fungus found in Spanish vineyards to understand why it cannot infect plants when exposed to light. Using genetic analysis, they discovered that the weakness is caused by a mutation in a single gene called bcltf1, which normally helps the fungus sense light and decide when to grow or reproduce. By restoring this gene in mutant strains, scientists confirmed its importance for fungal virulence and light responses, providing insights that could eventually help develop better disease control strategies.

Decapeptide Inducer Promotes the Conidiation of Phytopathogenic Magnaporthe oryzae via the Mps1 MAPK Signaling Pathway

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Scientists discovered a small peptide molecule (MCIDP) found in protein-based materials that significantly increases spore production in rice blast fungus. This peptide works by activating specific cellular signaling pathways that control fungal reproduction. The research provides insights into how fungal reproduction is regulated and could lead to new strategies for controlling rice blast disease, one of the world’s most destructive crop diseases that causes significant crop losses.

Deletion of bZIP Transcription Factor PratfA Reveals Specialized Metabolites Potentially Regulating Stress Response in Penicillium raistrickii

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Scientists discovered that a protein called PratfA controls the production of protective compounds in a fungus (Penicillium raistrickii) that help it survive stress. By removing this protein, they found two new natural products, including one with an unusual structure. The fungus without PratfA became very sensitive to oxidative stress and couldn’t survive well, showing that this protein is important for both making protective compounds and surviving harsh conditions.

Transcriptomic changes in the PacC transcription factor deletion mutant of the plant pathogenic fungus Botrytis cinerea under acidic and neutral conditions

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Gray mold is a common fungal disease affecting many plants, and it survives by adjusting to different pH levels in plant tissues. Scientists studied a specific protein called PacC that acts like a switch controlling which genes turn on or off based on acidity levels. By comparing normal fungi to mutants without this protein, researchers identified hundreds of genes that help the fungus adapt and cause disease, offering insights into how to potentially combat this agricultural problem.

Quantitative Characterization of Gene Regulatory Circuits Associated With Fungal Secondary Metabolism to Discover Novel Natural Products

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Scientists developed a special technology using tiny channels and fluorescent markers to understand how fungi control their genes that produce valuable compounds. By precisely measuring how different genes turn on and off in individual fungal cells, they can now predict and control when and how much of useful medicines and other bioactive molecules are made. They successfully used this knowledge to create new pathways that produce novel compounds, including new types of dendrobine molecules never seen before.

Multi-omics analysis of Taiwanofungus gaoligongensis: effects of different cultivation methods on secondary metabolites

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Researchers studied how different growing methods affect the medicinal compounds produced by Taiwanofungus gaoligongensis, a rare fungus. By growing the fungus on different substrates including wood from specific trees, they found that certain growing methods produced much higher levels of beneficial compounds like antcins that have anti-cancer and anti-inflammatory properties. They also identified which genes control the production of these compounds, which could help improve cultivation methods to make the fungus more medicinally valuable.

A Zn2-Cys6 transcription factor, TgZct4, reprograms antioxidant activity in the fungus Trichoderma guizhouense to defend against oxidative stress

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Researchers discovered a key protein switch in a beneficial fungus called Trichoderma guizhouense that helps it survive harmful oxidative stress. This fungus is used as a natural pesticide to protect crops from disease. The protein, called TgZct4, acts like a master controller that turns on the fungus’s defense systems when it encounters damaging chemical stress, making it more resilient and effective at protecting plants.

Methods for Overcoming Chemoresistance in Head and Neck Squamous Cell Carcinoma: Keeping the Focus on Cancer Stem Cells, a Systematic Review

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Head and neck cancer is often resistant to chemotherapy because of cancer stem cells that survive treatment and cause recurrence. This review examined 31 studies on methods to overcome this resistance, finding that natural products like mushrooms (Ganoderma lucidum), plants (sulforaphane from broccoli, curcumin from turmeric), and synthetic compounds can enhance chemotherapy effectiveness when combined with traditional drugs. These approaches work by targeting the specific pathways that allow cancer stem cells to survive, potentially improving treatment outcomes while reducing required drug doses and side effects.

Multi-omics analysis of Taiwanofungus gaoligongensis: effects of different cultivation methods on secondary metabolites

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Scientists studied a medicinal mushroom called Taiwanofungus gaoligongensis to understand how different growing methods affect the production of beneficial compounds. They found that growing the mushroom in special bags with certain wood substrates produced far more of the valuable compounds (up to 12-fold more) compared to growing it on rice medium. By examining which genes were active in different growing conditions, they discovered how the mushroom’s cells control the production of these medicinal compounds, which could help farmers grow more potent medicinal mushrooms.

A Zn2-Cys6 transcription factor, TgZct4, reprograms antioxidant activity in the fungus Trichoderma guizhouense to defend against oxidative stress

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This research identifies a special protein called TgZct4 in a beneficial fungus called Trichoderma guizhouense that helps it survive harmful stress from hydrogen peroxide. When the fungus encounters oxidative stress, TgZct4 quickly activates and switches on genes that produce protective enzymes. This discovery helps scientists understand how this fungus can be such an effective biological pest control agent and could lead to improvements in using it as a natural alternative to chemical pesticides.

Research Keyword: transcription factors