使用深海海洋细菌菌株调节唾液微生物群:试点研究
Krishnasamy Nitya1, Aishwarya Arya2, Kochli Channapa Niranjan3
1Department of Oral Biology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India.
Journal of oral biology and craniofacial research
|August 18, 2025
概括
在一项试点研究中,海洋细菌有效调节了口腔微生物组,减少了像Streptococcus mutans和Porphyromonas gingivalis这样的有害细菌. 这表明了新的口腔健康益生菌的潜力.
科学领域:
- 微生物学 微生物学
- 口腔健康 口腔健康
- 海洋生物技术 海洋生物技术
背景情况:
- 口腔微生物组显著影响局部和全身健康,与口腔疾病和全身炎症相关的失生症.
- 来自肠道的益生菌在口腔中面临着环境挑战.
- 适应极端条件的海洋细菌,为口腔卫生应用提供独特的抗微生物和抗生物膜特性.
研究的目的:
- 研究深海海洋细菌菌株 (Marinobacter hydrocarbonoclasticus和Pseudoalteromonas spp.) 的潜力. 调节唾液微生物组的作用.
- 评估它们抑制口腔病原体和促进有益的共生物种的能力.
主要方法:
- 一项随机的,受控的试点研究,参与20名健康成年人,分为治疗组 (海洋细菌口水) 和对照组.
- 在基线和七天干预后收集的唾液样本.
- 通过16S rRNA基因测序和qPCR进行微生物分析,并进行包括PCA和网络推断在内的统计分析.
主要成果:
- 在治疗组中,Streptococcus mutans和Porphyromonas gingivalis的显著减少 (p < 0.001).
- 在有益的Streptococcus sanguinis和Veillonella spp.中显著增加. (p < 0.001) 的情况.
- 治疗后观察到显著的微生物群落转移和重组的相互作用网络,表明向更健康的微生物群迈进.
结论:
- 来自海洋的细菌菌株有利于调节口腔微生物群,抑制病原体并增强有益细菌.
- 这些发现表明,海洋益生菌对口腔健康具有治疗性前景.
- 需要进一步的大规模,安慰剂控制的研究来证实疗效和长期临床结果.
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