CRISPR-Cas9 – Page 4

Characterization of ORF19.7608 (PPP1), a biofilm-induced gene of Candida albicans

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Researchers studied a gene called PPP1 in Candida albicans, a common fungal infection in hospitals. They found that this gene is highly active when the fungus forms protective biofilms on medical devices like catheters. Although the protein appears in a distinctive spotted pattern only during biofilm formation, removing this gene did not prevent biofilm formation or affect how the fungus responds to stress or antifungal drugs.

Transcriptional programs mediating neuronal toxicity and altered glial–neuronal signaling in a Drosophila knock-in tauopathy model

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Researchers created a fruit fly model of frontotemporal dementia by editing the tau gene to match a human disease mutation. Using advanced genetic sequencing technology, they analyzed how this mutation affects brain cells, discovering that it disrupts communication between nerve cells and support cells called glia. The study reveals multiple pathways that could be targeted with future treatments to combat this devastating brain disease.

Protoplast-mediated transformation of Madurella mycetomatis using hygromycin resistance as a selection marker

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Scientists have successfully developed a genetic engineering method for Madurella mycetomatis, the fungus that causes mycetoma, a serious tropical disease. They used a technique to remove the fungal cell wall and insert genes into the cells, creating strains that produce green fluorescent protein (GFP). This breakthrough enables researchers to better understand how this fungus causes disease and to develop new treatments.

A non-classical PUF family protein in oomycetes functions as a pre-rRNA processing regulator and a target for RNAi-based disease control

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Scientists discovered a critical protein called Puf4 in harmful water mold pathogens (oomycetes) that damage crops. When they removed this protein from the pathogens, the organisms grew poorly and couldn’t infect plants effectively. They also developed a new method to deliver therapeutic RNA directly through zoospores (swimming spores) that successfully reduced disease in infected plants, offering an eco-friendly alternative to traditional pesticides.

Saponins, the Unexplored Secondary Metabolites in Plant Defense: Opportunities in Integrated Pest Management

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Plants naturally produce compounds called saponins that protect them from insects, fungi, bacteria, parasitic worms, and viruses. This review explains how saponins work as natural pest managers and discusses how plants rich in saponins, such as licorice and soapbark trees, could be used to develop environmentally friendly crop protection products instead of synthetic pesticides.

Rediscovery of viomellein as an antibacterial compound and identification of its biosynthetic gene cluster in dermatophytes

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Researchers discovered that dermatophytes, fungi that cause common skin infections like athlete’s foot, produce a red pigment called viomellein that kills bacteria. By studying the genes responsible for making this compound, scientists found that most dermatophytes produce it, which may help explain how these fungi establish infections on skin despite the presence of protective bacteria. This discovery opens new possibilities for understanding skin infections and potentially developing new treatments.

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.

Improved Protoplast Production Protocol for Fungal Transformations Mediated by CRISPR/Cas9 in Botrytis cinerea Non-Sporulating Isolates

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Scientists have developed a better method to isolate protoplasts (fungal cells without cell walls) from non-sporulating varieties of gray mold fungus. By optimizing the incubation time, culture container, and enzyme used, they produced more viable protoplasts that can regenerate and be genetically modified. This advancement allows researchers to use CRISPR gene-editing technology to understand and potentially control gray mold, which causes significant crop losses worldwide.

Aokap9 gene knockout contributes to kojic acid synthesis in Aspergillus oryzae

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Researchers discovered that removing the Aokap9 gene in the fungus Aspergillus oryzae doubles the production of kojic acid, a valuable chemical used in skin-whitening cosmetics and food preservation. By combining the Aokap9 gene removal with modifications to other genes (kojR and AozfA), they achieved even higher production levels. This research provides a practical pathway for creating high-yield strains that can produce kojic acid more efficiently for commercial applications.

New approaches to tackle a rising problem: Large-scale methods to study antifungal resistance

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Fungal infections are becoming increasingly resistant to antifungal drugs, creating a serious public health challenge. Scientists are using advanced genetic sequencing and laboratory techniques to understand how fungi develop drug resistance and identify the specific genetic changes responsible. By cataloging resistance mutations and creating shared databases, researchers aim to develop better diagnostic tests and treatment strategies to combat these dangerous infections.

Research Keyword: CRISPR-Cas9