抗击CariogenicStreptococcus mutans生物膜的形成和破坏与酸在牙表面的牙表面
Syed Sohail Ahmad1, Muhammad Faisal Siddiqui1, Farhana Maqbool1
1Department of Microbiology, Hazara University, Mansehra 21300, Pakistan.
Molecules (Basel, Switzerland)
|January 23, 2024
概括
酸 (CA) 有效地抑制了Streptococcus mutans生物膜的形成,并分散了预先形成的生物膜,为牙虫提供了潜在的天然治疗方法. 这项研究表明CACA.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 材料科学 材料科学 材料科学
背景情况:
- 突变性链球菌 (Streptococcus mutans) 是导致牙的主要病因.
- 牙病变的发病与S. mutans形成强大的生物膜 (牙斑) 的能力有关.
- 控制S. mutans生物膜对于预防和治疗牙至关重要.
研究的目的:
- 为了研究酸 (CA) 控制Streptococcus mutans生物膜形成的功效.
- 评估CA在分散在牙表面上预制的S. mutans生物膜中的潜力.
- 分析CA对细菌生长,活力和细胞外聚合物质 (EPS) 生产的影响.
主要方法:
- 生物膜测定包括MTT生命力测定和微板测定.
- 细胞外聚合物质 (EPS) 的量化,包括多糖和蛋白质.
- 显微镜技术 (光显微镜,3D表面图) 用于生物膜生物质和表面覆盖面分析.
- 分子对接模拟用于预测CA受体相互作用.
主要成果:
- CA显著降低了S. mutans的生长 (98.37%在1 mg/mL) 和生物膜的形成 (95.48%).
- CA有效地分散了预制生物膜 (73.45%的减少),并降低了细菌活力 (73.44%).
- 对CA的处理导致EPS (多糖和蛋白质) 和生物膜质量/表面覆盖率的显著降低.
结论:
- 库玛酸具有强大的抗菌和抗生物膜特性,可以对抗Streptococcus mutans.
- 酸盐显示出作为治疗剂的潜力,用于控制牙斑和预防牙损伤.
- 分子对接表明CA与S. mutans能力刺激的特定相互作用,提供机械洞察力.
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