来自Bacillus subtilis的两个有前途的天然脂有效诱导了Candida glabrata中的膜透
Madhuri Madduri1, Shivaprakash M Rudramurthy2, Utpal Roy1
1Department of Biological Sciences, BITS Pilani K.K. Birla Goa Campus, Vasco da Gama, Goa, India.
Acta biochimica Polonica
|May 9, 2024
概括
来自Bacillus subtilis的两种新型脂通过破坏细胞膜,对Candida glabrata表现出强大的抗真菌活性. 这些发现表明,有可能开发新的抗真菌药物来对抗耐药真菌感染.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 虫 (Candida glabrata) 是一个重要的机会性病原体,已知可以发展抗真菌药物耐药性.
- 抗微生物脂因其有利的特性而被认为是其作为新型抗真菌剂的潜力.
研究的目的:
- 为了研究两种脂的抗真菌潜力,AF4和AF5,从 Bacillus subtilis RLID12.1中分离出来,针对Candida glabrata.
- 阐明这些脂在抑制真菌生长中的作用机制.
主要方法:
- 使用逆相高性能液体染色学 (RP-HPLC) 净化脂AF4和AF5.
- 对Candida glabrata的抗真菌活性的评估.
- 使用化 (PI) 染色和流式细胞计对膜透的评估.
- 使用FUN-1染料的共聚焦显微镜来评估代谢活动.
主要成果:
- 纯化的脂AF4和AF5对Candida glabrata表现出显著的杀菌作用.
- 治疗细胞中酸的吸收率高达99%,表明严重的膜损伤.
- 同焦点显微镜证实了 lipopeptide 治疗的 Candida glabrata 细胞中的代谢失活化.
结论:
- 研究的脂显示出强烈的膜破坏活性和对Candida glabrata的杀菌作用.
- 这些脂作为开发新抗真菌疗法的候选人,有望解决耐药真菌感染的新抗真菌疗法.
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