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从Cassia tora L.中分离出来的生物活性素的抗菌活性,对抗致病性肠道微生物
Sri Renukadevi Balusamy1, Seungah Lee2, Gokulanathan Anandapadmanaban3
1Department of Food Science and Biotechnology, Sejong University, Gwangjin-Gu, Seoul, Republic of Korea.
Naunyn-Schmiedeberg's archives of pharmacology
|February 13, 2026
概括
卡西亚·托拉种子中的 antraquinones 对肠道病原体具有强烈的抗菌作用,而对有益的肠道细菌的影响较小. 这表明,天然抗微生物疗法有潜力对抗抗生素耐药性.
科学领域:
- 植物化学 植物化学
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 抗菌素耐药性 (AMR) 是一个关键的全球健康威胁,特别是肠道感染.
- 传统的抗生素对新出现的耐药病原体正在失去有效性.
- 自然化合物为抗微生物药物开发提供了潜在的替代品.
研究的目的:
- 评估Cassia tora种子衍生的人类素对肠道病原体和益生菌的抗菌活性.
- 评估这些化合物对致病菌和有益肠道微生物的选择性.
- 为了探索C. tora antraquinones作为天然抗菌剂的潜力.
主要方法:
- 从Cassia tora种子中分离和识别了五种关键的人类素.
- 对致病性和益生菌细菌的最小抑制度 (MIC) 的确定.
- 分子对接分析以预测与细菌耐药性蛋白质的结合亲和关系.
主要成果:
- 炭类药物表现出强大的抗菌活性,对抗大肠杆菌和金黄色杆菌等病原体.
- 对益生菌菌株 (例如,Lactobacillus casei) 的抑制作用中度至低,表明一些选择性.
- 分子对接揭示了antraquinones与细菌耐药性标的有利结合,通常超过西普洛素的亲和力.
结论:
- 卡西亚罗拉 (Cassia tora) 的氨酸具有针对肠道病原体的选择性抗菌潜力,相对而言,它对有益的肠道菌群有所保护.
- 这些发现支持它们作为肠道感染和AMR缓解的天然抗菌候选药物的发展.
- 需要对临床应用的机制,药理动力学,毒性和体内疗效进行进一步的研究.
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