来自蛋白的ovomucoid对Streptococcus mutans生物膜形成的抑制作用
Ji-Eun Lee1, Hee Yeon Cho1, Jae Hoon Lee2
1Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea.
Journal of the science of food and agriculture
|August 9, 2023
概括
卵白中的蛋白质ovomucoid有效地抑制了Streptococcus mutans生物膜的形成. 这表明它作为一种新型抗生物膜剂的潜力,通过向关键毒性因素来预防牙虫.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 口腔健康 口腔健康
背景情况:
- 突变性链球菌是导致牙的主要原因,在牙上形成 cariogenic 生物膜.
- 控制口腔生物膜对于预防牙损伤至关重要.
- 卵白中的主要蛋白质ovomucoid因其抗生物膜特性而受到研究.
研究的目的:
- 为了评估ovomucoid对Streptococcus mutans生物膜形成的抑制作用.
- 为了确定ovomucoid对S. mutans毒性因子的影响,包括粘附,聚合和外聚糖 (EPS) 生产.
主要方法:
- 晶体紫色染色和场辐射扫描电子显微镜被用来评估生物膜抑制.
- 在生物膜中量化不溶于水的EPS和细菌代谢活性.
- 基因表达分析毒性因子 (comDE, vicR, gtfA, ftf) 在存在的卵子.
主要成果:
- 在0.25-1毫克/毫升的度下,Ovomcoid显著抑制了S. mutans生物膜的形成.
- Ovomucoid降低了成熟的生物膜,水不溶性EPS合成和细菌代谢活动.
- 卵子菌降低了细菌的粘附和聚合,并降低了关键病毒性基因 (comDE,vicR,gtfA,ftf) 的调节.
结论:
- 欧沃木可伊德显示出强大的抗生物膜活性,可对抗Streptococcus mutans.
- 虫的抑制毒性因子的能力使其成为牙损伤治疗的有希望的候选人.
- 需要进一步研究ovomucoid作为口腔卫生应用中的抗生物膜剂.
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