Research Keyword: genetic engineering

Fatty acid synthesis: A critical factor determining mycelial growth rate in Pleurotus tuoliensis

Researchers studied why Pleurotus tuoliensis mushrooms grow slowly compared to other oyster mushroom species. They found that a key enzyme called acetyl-CoA carboxylase, which controls fat production in the mushroom cells, directly affects how fast the mycelium grows. By increasing this enzyme’s activity and providing nutrients that help fat-making, scientists were able to boost mycelial growth rates significantly, offering new strategies to improve commercial cultivation of these delicious mushrooms.

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Advances in Bioprocess Engineering for Optimising Chlorella vulgaris Fermentation: Biotechnological Innovations and Applications

Chlorella vulgaris is a nutrient-rich microalga gaining popularity in health supplements, functional foods, and sustainable energy production. Scientists are using advanced genetic engineering techniques, special fermentation methods, and innovative bioreactor designs to increase the production of beneficial compounds like proteins and antioxidants. These improvements make Chlorella more valuable for creating health-promoting foods, medicines, and biofuels while keeping production costs low and environmentally sustainable.

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Impact of energy metabolism pathways in promoting phytoremediation of cadmium contamination by Bacillus amyloliquefaciens Bam1

Researchers developed genetically modified bacteria (Bacillus amyloliquefaciens) that produce more energy to better survive in cadmium-contaminated soil. These enhanced bacteria can then help tomato plants absorb and remove cadmium pollution from the soil more effectively. The best-performing modified strain increased cadmium accumulation in tomatoes by nearly 1.9 times compared to the original bacteria, offering a promising biological solution for cleaning contaminated agricultural soils.

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Innovative Approaches and Evolving Strategies in Heavy Metal Bioremediation: Current Limitations and Future Opportunities

Heavy metals like lead, mercury, and arsenic accumulate in soil and water, harming both ecosystems and human health. Traditional cleanup methods are expensive and harmful to the environment. Scientists are developing biological solutions using microorganisms and special plants that can absorb or break down these toxic metals, combined with genetic engineering and nanotechnology to make the process faster and more effective.

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Advances in the Degradation of Polycyclic Aromatic Hydrocarbons by Yeasts: A Review

This review explores how yeasts, tiny single-celled fungi, can clean up environments contaminated with polycyclic aromatic hydrocarbons (PAHs) – harmful chemicals produced by car emissions, factories, and burning. These yeasts use special enzymes to break down these toxic compounds into less harmful substances, making them a promising natural solution for environmental cleanup. Scientists are also improving these yeasts through genetic engineering to make them even more effective at removing pollution.

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Exploring the Potential of Haematococcus pluvialis as a Source of Bioactives for Food Applications: A Review

Haematococcus pluvialis is a tiny green algae that produces astaxanthin, a powerful natural antioxidant that gives it a bright red color when stressed. Beyond astaxanthin, this microalga is rich in proteins, healthy fats, and vitamins, making it useful for creating functional foods and supplements. Researchers are developing better ways to grow this algae and extract its beneficial compounds using environmentally friendly methods, with potential applications in foods ranging from beverages to meat alternatives.

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Enhancement of Mycelial Growth and Antifungal Activity by Combining Fermentation Optimization and Genetic Engineering in Streptomyces pratensis S10

Scientists improved a soil bacterium called Streptomyces pratensis S10 that fights a serious wheat disease called Fusarium head blight. They used two strategies: first, they optimized the growth medium using statistical methods to produce more bacteria with stronger antifungal powers, and second, they used genetic engineering to remove a gene that was limiting its disease-fighting ability. The result was a bacteria strain that is much more effective at controlling this crop disease.

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L-gulono-γ-lactone Oxidase, the Key Enzyme for L-Ascorbic Acid Biosynthesis

Vitamin C (ascorbic acid) is essential for human health, protecting against disease and supporting numerous body functions. However, humans cannot make their own vitamin C because we lack a functional GULO enzyme gene. This review examines how different organisms produce vitamin C, where these enzymes work in cells, and recent discoveries showing that a simplified version of the enzyme can still work effectively, which could help improve vitamin C production in engineered plants.

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Towards engineering agaricomycete fungi for terpenoid production

Mushroom-forming fungi, particularly species like shiitake and oyster mushrooms, naturally produce valuable compounds called terpenoids used in medicines, food, and cosmetics. Scientists are learning to genetically engineer these fungi to produce even larger amounts of these beneficial compounds, potentially making them as important to biotechnology as baker’s yeast and mold have been historically. This could create new sustainable sources for medicinal compounds and industrial chemicals.

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Microbe Profile: Streptomyces formicae KY5: an ANT-ibiotic factory

Scientists have discovered a special bacterium called Streptomyces formicae that lives in ant nests and produces powerful antibiotics. This bacterium makes formicamycins, which can kill dangerous bacteria like methicillin-resistant Staphylococcus aureus that resists many common antibiotics. Using advanced genetic tools, researchers can modify this bacterium to unlock hidden antibiotic-producing pathways, potentially leading to new medicines to fight drug-resistant infections.

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