增强氨酸的Termitomyces 菌根:增长的改善和纤维素降解能力的改善
Wenhui Yi1, Jingfei Zhou1, Qiwei Xiao1
1College of Food Science, South China Agricultural University, Guangzhou 510642, China.
Foods (Basel, Switzerland)
|February 13, 2025
概括
氨酸通过增强酶活性和改变基因表达,显著促进了Termitomyces的生长和细胞分解. 这项研究为优化Termitomyces种植和废物生物转化应用提供了关键的见解.
科学领域:
- 菌类学 菌类学是指菌类学.
- 生物技术是生物技术.
- 生物化学 生物化学
背景情况:
- 类具有很高的营养和药用价值,但很难人工培养.
- 它们与白的共生关系和特定的生长要求带来了种植挑战.
- 了解影响termitomyces生长的因素对于人工种植和应用至关重要.
研究的目的:
- 为了研究阿金宁对菌体生长和发育的影响,Termitomyces.
- 评估氨酸对Termitomyces的纤维细胞分解能力的影响.
- 阐明阿尔金因对Termitomyces影响的分子机制.
主要方法:
- 用阿尔金因补充Termitomyces培养物.
- 分析体形态,生物质,多糖含量和形形成.
- 酶活性测定 (细胞酶,半细胞酶,乳酶) 和转录组分析.
- 基因本体学 (GO) 和基因和基因组的京都百科全书 (KEGG) 路径分析.
主要成果:
- 氨酸显著促进了状体的形成,增强了菌根生物质和多糖含量,改变了形态.
- 氨酸上调调节了纤维细胞解酶 (细胞酶,半细胞酶,乳酶),加速了玉米的分解.
- 转录组分析揭示了碳水化合物活性酶基因的差异表达,并突出了阿尔金因在代谢途径中的作用.
结论:
- 氨酸积极影响Termitomyces菌体的生长,发育和纤维细胞分解活性.
- 提供了对阿金宁对基因表达和代谢途径的影响的分子见解.
- 这些发现为优化Termitomyces培养策略及其在纤维素纤维素废物生物转化中的应用提供了基础.
更多相关视频
11:38GENPLAT: an Automated Platform for Biomass Enzyme Discovery and Cocktail Optimization
Published on: October 24, 2011
15.4K
16:33Methods for Facilitating Microbial Growth on Pulp Mill Waste Streams and Characterization of the Biodegradation Potential of Cultured Microbes
Published on: December 12, 2013
9.4K
相关概念视频
Amino Acid Catabolism
Microorganisms rely on proteins as an essential carbon and energy source, particularly in environments with limited polysaccharides or lipids. However, proteins are too large to cross the plasma membrane unaided, necessitating enzymatic degradation. Microbes secrete extracellular proteases and peptidases that hydrolyze proteins into peptides, which can then be transported across the membrane. Once inside the cell, intracellular proteases degrade these peptides into free amino acids, which...
Microbes and Methanogenesis
Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...
Microbes in Food Production
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
Microbes in the Production of Fermented Foods
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
Bioreactor Controls-III
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
Production of Organic Acids
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
