Research Topic: metabolic engineering

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.

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Recent Advances in Biosynthesis Technology and Future Functional Foods

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Scientists are using engineered microorganisms and advanced fermentation techniques to create healthy food ingredients in a sustainable way. This editorial highlights seven studies showing how these biotechnology approaches improve functional foods, from creating probiotic strains and preserving fish to developing nutrient-enriched biscuits and discovering natural compounds with protective health effects. These innovations offer practical solutions for making foods healthier while reducing environmental impact compared to traditional methods.

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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.

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Adaptive laboratory evolution of Blakeslea trispora under acetoacetanilide stress leads to enhanced β-carotene biosynthesis

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Scientists used a technique called adaptive laboratory evolution to make a fungus called Blakeslea trispora produce much more beta-carotene, a natural compound that converts to vitamin A in the body and has health benefits. By gradually exposing the fungus to increasing levels of a chemical stressor over 16 months, they helped it evolve to produce 45% more beta-carotene. The adapted fungus showed changes in its genes, physical structure, and fat composition that helped it thrive under stress while making more of this valuable compound.

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Bioinformatics-aided identification, characterization and applications of mushroom linalool synthases

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Scientists discovered a special enzyme from mushrooms that efficiently produces linalool, a fragrance ingredient found in most perfumes and cosmetics. This fungal enzyme is much more efficient and selective than similar enzymes from plants or bacteria, making it ideal for mass-producing natural linalool through fermentation. The study used advanced computer analysis to identify the enzyme and revealed specific parts of the enzyme responsible for its excellent performance, which could help design even better enzymes in the future.

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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.

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