Research Topic: molecular biology

Identification of matB used as an endogenous reference gene for the qualitative and real-time quantitative polymerase chain reaction detection of Lentinus edodes

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This study identifies the matB gene as a reliable genetic marker for detecting shiitake mushrooms (Lentinus edodes) in food products. Researchers developed a simple DNA test that can identify L. edodes in processed foods where it might be fraudulently substituted for more expensive wild mushrooms. The test is highly sensitive, detecting DNA at extremely low concentrations, and works on both raw mushrooms and processed products. This method provides food manufacturers and regulators with an effective tool to prevent mushroom fraud and ensure food authenticity.

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Argonaute1-Dependent LtmilR2 Negatively Regulated Infection of Lasiodiplodia theobromae by Targeting a Guanine Nucleotide Exchange Factor in RAS Signalling

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Scientists discovered a tiny regulatory RNA molecule called LtmilR2 in a fungus that causes grape disease. This molecule naturally suppresses the fungus’s ability to cause infection by shutting down a gene called LtRASGEF. When researchers delivered LtmilR2 using specially designed nanoparticles, it successfully stopped the fungus from growing. This discovery could lead to a new type of biological fungicide for protecting grapes and vineyards.

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Selection of reliable reference genes in Colletotrichum scovillei during different growth stages, host interactions, and plant extract treatment for qRT-PCR

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Researchers identified the best internal control genes for measuring fungal gene expression in Colletotrichum scovillei, a fungus that causes serious disease in chili peppers. Different genes worked best under different conditions: one for normal growth, another during infection, and a third when treated with plant extracts. This discovery will help scientists study how this fungus develops and causes disease, potentially leading to better ways to control it using natural plant-based treatments.

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A genetic strategy to allow detection of F-actin by phalloidin staining in diverse fungi

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Scientists discovered that many fungi cannot be stained with phalloidin, a widely-used fluorescent dye that helps visualize actin filaments in cells. They traced this problem to a single amino acid difference in fungal actin proteins. By changing this one amino acid back to its original form using genetic engineering, they successfully enabled phalloidin staining in previously incompatible fungi, providing researchers with better tools to study fungal cell biology.

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N-terminal oligomerization drives HDAC4 nuclear condensation and neurodevelopmental dysfunction in Drosophila

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This study reveals how a protein called HDAC4 forms clumps inside cell nuclei, which damages brain development. Researchers found that the protein’s ability to stick to itself (oligomerize) drives this clumping process. By modifying the protein to prevent self-sticking, they reduced the damage to developing brain structures, suggesting new ways to treat brain disorders linked to HDAC4 accumulation.

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Structural and Functional Analysis of Peptides Derived from KEX2-Processed Repeat Proteins in Agaricomycetes Using Reverse Genetics and Peptidomics

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Scientists studied special proteins in mushrooms that get cut up into small functional peptides by fungal enzymes. They created a method to find and identify these peptides in mushroom fruiting bodies and growth materials. When they removed the enzymes that cut these proteins, the mushrooms had problems growing and forming fruiting bodies, suggesting these enzymes are important for normal development.

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The effects of biotic stress on the sexual reproduction process of flowering plants

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When plants get sick from fungal, bacterial, or viral infections or are eaten by insects and parasites, their ability to produce flowers, seeds, and fruits is severely affected. Different pathogens use different tricks to damage reproduction—some speed up flowering to take advantage of the plant quickly, while others slow it down or destroy floral structures directly. Understanding how these pathogens attack plant reproduction helps farmers protect their crops and maintain food production.

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