研究生物膜:了解微生物行为和抗生素耐药性的先进方法
1Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, 51452 Buraydah, Saudi Arabia.
Frontiers in bioscience (Landmark edition)
|April 29, 2024
概括
生物膜在环境,工业和医疗领域至关重要,但也带来了感染和污染等挑战. 生物膜中的细胞外聚合物 (EPS) 显著影响基因转移和抗生素耐药性,推动新型管理解决方案的研究.
科学领域:
- 微生物学 微生物学
- 环境科学 环境科学
- 生物技术是生物技术.
背景情况:
- 生物膜,即被细胞外聚合物 (EPS) 包围的微生物群落,在生态系统中至关重要,但会导致生物污染,腐蚀和污染.
- 医疗生物膜有助于持续性感染,增加医疗费用和长时间住院.
- EPS矩阵对于生物膜结构,完整性和抗生素耐药性至关重要.
研究的目的:
- 研究EPS矩阵在促进生物膜社区内水平基因转移中的作用.
- 强调EPS对抗生素耐药性的出现和传播的影响.
- 强调生物膜在工业和医疗保健环境中的经济负担.
主要方法:
- 对先进的成像工具和生物膜分析的分子方法的审查.
- 应用DNA/RNA测序和蛋白质组学来理解生物膜遗传学和代谢.
- 跨学科的方法结合成像和分子分析进行全面的生物膜研究.
主要成果:
- EPS矩阵在水平基因转移中发挥着关键作用,这是抗生素耐药性发展的关键机制.
- 生物薄膜由于工业维护增加,产品污染和医疗保健费用增加而产生了大量的财务成本.
- 复杂的分子工具对于破译生物膜动态的遗传和代谢基础至关重要.
结论:
- 跨学科的方法对于全面理解生物膜动态至关重要.
- 先进的成像和分子技术为生物膜发育和抗生素耐药性提供了新的见解.
- 开发新的解决方案来减轻生物膜的负面影响需要一个全面的研究战略.
相关概念视频
Biofilms
2.1K
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...
2.1K
Gene Regulation in Microbial Communities: Quorum Sensing
954
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,...
954
Clinical Significance of Antibiotic Resistance
90
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within...
90


