在Aspergillus niger中热应激反应机制的研究进展
1College of Food Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China.
Frontiers in microbiology
|February 20, 2026
概括
黑色虫通过协调的机制,如膜重塑和溶液积累来应对热应激. 了解这些途径可以改善工业应用的真菌耐热性.
科学领域:
- 工业微生物学 工业微生物学
- 菌生理学 菌生理学
- 生物技术是生物技术.
背景情况:
- 黑色虫是一种GRAS真菌,对食品发酵和酶生产至关重要.
- 最佳生长发生在30°C,但工业热应激降低了可行性和效率.
- 热应激会影响细胞功能,需要对真菌反应有更深入的了解.
研究的目的:
- 系统地审查阿斯伯吉路斯尼格尔多层热应激反应机制.
- 整合现有的研究,以了解A. niger如何应对热挑战.
- 识别知识缺口和潜在的策略,以提高真菌耐热性.
主要方法:
- 文献审查和现有研究结果的整合.
- 分析A. niger在热应激下使用的细胞和分子机制.
- 综合了关于膜重塑,相容溶液积累,代谢重编程,蛋白质质量控制和抗氧化防御的数据.
主要成果:
- A. niger采用细胞膜重塑,相容溶液的快速积累,cAMP/PKA介导的代谢重编程,蛋白质质量控制和抗氧化系统来应对热应激.
- 这些机制共同增强了真菌的耐热性.
- 在早期压力信号,完整的PKA监管网络和多omics集成方面存在关键知识差距.
结论:
- 黑色菌表现出复杂,协调的反应,以生存热应激.
- 潜在的适应性策略,包括非经典的膜调节,是真核生物丝状真菌的特征.
- 本综述为通过代谢工程改善A. niger耐热性的理论基础提供了工业利益.
关键词:
黑色阿斯珀吉勒斯 (Aspergillus niger) 是一个黑色的植物.高度服务提供者 (HSP)抗氧化剂防御 抗氧化剂防御兼容的溶解物是相容的热应激反应的热应激反应代谢重编程是指代谢重编程.耐热性 耐热性 耐热性更多相关视频
09:52Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
12.7K
09:21Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.
Published on: February 15, 2019
9.5K
相关概念视频
Adaptations that Reduce Water Loss
24.4K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
24.4K
Responses to Heat and Cold Stress
13.5K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.5K
Thermal Stress
2.5K
If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...
2.5K
Other Stress Responses in Bacteria
593
Bacteria have global regulatory systems that control several types of stress mechanisms. These include Pho regulon and the heat shock response, which are essential systems for environmental adaptation, such as nutrient limitation and proteotoxic stress. The Pho regulon and the heat shock response exemplify bacterial resilience, enabling rapid adaptation to fluctuating environmental conditions.Pho RegulonBacteria require phosphorus for essential cellular processes, including nucleic acid...
593
Fungal Phylum Ascomycota
2.4K
Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
2.4K
