普罗迪吉奥辛作为抗菌膜剂对抗多药耐药黄金葡萄球菌
1Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing, PR China.
Biofouling
|June 27, 2023
概括
益生菌素 (PG) 有效地抑制了抗微生物耐药黄金葡萄球菌的生物膜形成. 此外,PG还显示了与万科米辛 (VAN) 的协同效应,为对抗持续性细菌感染提供了潜在的策略.
科学领域:
- 微生物学 微生物学
- 细菌病原体的产生
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 黄金葡萄球菌 (Staphylococcus aureus) 形成生物膜,导致抗菌素耐药性增加.
- 益生菌素 (PG) 是一种潜在的抗生素协同剂,但其抗生素膜活性对抗性黄金色细菌尚不清楚.
研究的目的:
- 为了评估prodigiosin (PG) 对抗抗微生物耐药性 (AMR) 黄金葡萄球菌的抗菌膜活性.
- 评估PG与万科米辛 (VAN) 结合的协同效应.
主要方法:
- 水晶紫色染色用于评估针对29种临床AMR的S. aureus菌株的抗菌膜活性.
- 检查板测试以确认与万科米辛 (VAN) 的协同效应.
- 评估生物膜和浮游生物细胞活力和代谢活性.
主要成果:
- PG显示出对S. aureus生物膜形成的显著抑制活性.
- 在对抗生物膜方面,PG与VAN表现出协同作用.
- PG降低了生物膜代谢活性和外聚糖的产生,可能是通过降低像sarA,agrA和icaA这样的基因.
结论:
- 普罗迪吉奥辛作为抗菌膜剂对抗抗性黄金葡萄球菌具有前途.
- PG,特别是与万科米结合使用,可能是预防或治疗临床生物膜的宝贵工具.
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