Proteomics – Page 2

Inhibitory effect and mechanism of action of Carvacrol as a promising natural food preservative against Fusarium acuminatum causing postharvest rot of garlic scapes (Allium sativum L)

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Garlic scapes often rot quickly during storage due to fungal infections. This study found that carvacrol, a natural compound from oregano and thyme, effectively prevents this spoilage and extends shelf life. The research showed that carvacrol damages the fungal cells’ protective membranes, stopping the infection. Since carvacrol is already approved as safe for food use, it could become a practical, natural alternative to chemical preservatives.

Integrated Transcriptomics–Proteomics Analysis Reveals the Response Mechanism of Morchella sextelata to Pseudodiploöspora longispora Infection

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White mold disease is a major problem for morel mushroom farmers in China. Researchers identified the fungus causing this disease and studied how morel cells defend themselves. Using advanced molecular techniques, they found that morel cells respond to infection by changing their cell membranes and walls, and by activating protective proteins that fight oxidative stress. This research helps explain how the disease damages morels and could lead to developing stronger, disease-resistant mushroom varieties.

Exposure to Tebuconazole Drives Cross-Resistance to Clinical Triazoles in Aspergillus fumigatus

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When farmers use antifungal pesticides called triazoles to protect crops, the fungi can develop resistance to these chemicals. This study found that when the fungus Aspergillus fumigatus is exposed to the agricultural triazole tebuconazole, it can become resistant not only to that pesticide but also to clinical triazole drugs used to treat human fungal infections. The resistant fungi maintain this resistance even when the pesticide is removed, suggesting that environmental pesticide use may threaten the effectiveness of medical antifungal treatments.

Temporal and thermal optimization of trypsin digestion for the cryptococcal proteome

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Scientists optimized the process for breaking down fungal proteins from Cryptococcus neoformans, a dangerous fungus that infects humans. By testing different digestion times and temperatures, they found that shortening the process from overnight to just 1 hour still yielded excellent results. This discovery helps researchers study this pathogen more efficiently and could lead to better treatments for cryptococcal infections.

Identification of Challenging Dermatophyte Species Using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

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This study shows that MALDI-TOF mass spectrometry is an effective method for quickly identifying skin fungal infections caused by dermatophytes. By combining commercial reference databases with a custom library created from local isolates, researchers achieved 90.7% accurate identification compared to only 16.1% using the commercial database alone. This improved method could help doctors diagnose and treat fungal skin infections more quickly and accurately in clinical laboratories.

Breaking down biofilms across critical priority fungal pathogens: proteomics and computational innovation for mechanistic insights and new target discovery

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This comprehensive review examines how scientists are fighting dangerous fungal infections that form protective biofilms resistant to current antifungal drugs. Researchers are using advanced protein analysis techniques (proteomics) and artificial intelligence-based computational tools to identify new targets for drug development against four critical fungal pathogens that cause life-threatening infections like meningitis and lung infections. By combining these technologies, scientists can better understand how these fungal biofilms form and develop more effective treatments.

iTRAQ-Based Quantitative Proteomic Analysis Reveals Proteomic Changes in Mycelium of Pleurotus ostreatus in Response to Heat Stress and Subsequent Recovery

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This study examined how oyster mushrooms respond to high temperatures using advanced protein analysis techniques. Researchers found that when mushroom mycelium was exposed to 40°C heat, it damaged cell membranes and changed the levels of hundreds of proteins. However, when the temperature returned to normal, the mushrooms could repair the damage and recover. Key proteins including heat shock proteins and stress-response enzymes played important roles in protecting the mushroom cells and helping them survive heat stress.

Comparative proteomics reveals the mechanism of cyclosporine production and mycelial growth in Tolypocladium inflatum affected by different carbon sources

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Researchers studied how different sugars (fructose and sucrose) affect a fungus’s ability to produce cyclosporine A, an important drug used after organ transplants to prevent rejection. Using advanced protein analysis techniques, they found that fructose makes the fungus better at producing the drug, while sucrose makes it grow more mycelium (fungal threads). By identifying the specific proteins involved in each process, scientists can now develop better methods to produce more of this valuable medicine.

Biochemical characteristics of extracts from proallergenic microfungi Erysiphe palczewskii and Erysiphe convolvuli

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Researchers studied two types of fungi that cause powdery mildew on plants and can trigger allergies in people who breathe in their spores. They discovered that these fungi contain proteins that act as allergens, including special proteins that help fungi survive stress. The fungi also contain high levels of linoleic acid, a fatty acid that can increase inflammation in the body. This research helps scientists understand why these fungi can cause allergic reactions and could help develop better diagnostic tools for fungal allergies.

Temporal and thermal optimization of trypsin digestion for the cryptococcal proteome

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Scientists optimized how to digest proteins from a dangerous fungus called Cryptococcus neoformans to better identify all its proteins. They tested different time and temperature combinations for enzyme treatment and found that shorter digestion times (1 hour instead of overnight) work just as well. This finding makes protein analysis faster and easier for studying fungal infections and finding new treatments.

Research Topic: Proteomics