显然,降解酶与黄金葡萄球菌生物膜之间缺乏协同作用
Jeremy R Ellis1,2, Paul A Rowley1
1University of Idaho, Department of Biological Sciences, Moscow, ID 83844, USA.
bioRxiv : the preprint server for biology
|October 24, 2023
概括
酶可以分散金黄色葡萄球菌生物膜,但低度往往缺乏协同作用. 素和Zymolyase 20T的组合显示出协同作用的生物膜分散,突出显示出需要量身定制的酶方法.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
背景情况:
- 黄金葡萄球菌生物膜在对抗细菌感染方面构成了重大挑战.
- 细胞外生物分子的酶降解提供了一种破坏这些生物膜的策略.
结论:
- 黄金菌生物膜的酶分散是复杂的,并且依赖于度.
- 酶之间的协同作用并不能保证,并且取决于特定的组合和生物膜组成.
- 定制的酶策略对于有效的生物膜分散至关重要.
相关概念视频
Biofilms
29
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
29
Gene Regulation in Microbial Communities: Quorum Sensing
23
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
23
Combined Effects of Drugs: Synergism
4.0K
Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Such synergistic combinations...
4.0K
Surface Membrane Barriers
1.1K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
1.1K


