对抗真菌微生物查中的生物和非生物因素的系统评估
Gunjan Gupta1,2,3, Steve Labrie1,2, Marie Filteau1,2,3
1Département des Sciences des Aliments, Université Laval, Quebec City, QC G1V 0A6, Canada.
Microorganisms
|July 27, 2024
概括
识别有效的抗真菌微生物需要在不同的条件下进行测试. 这项研究使用机器人平台选1022个分离物,发现相互作用和环境显著影响抗真菌活性.
科学领域:
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
背景情况:
- 微生物显示出控制食品中的真菌污染的前景.
- 鉴定有效的抗真菌菌株是具有挑战性的,因为取决于上下文的反应.
- 在各种环境中进行系统评估对于利用微生物抗真菌潜力至关重要.
研究的目的:
- 开发一种可适应和可扩展的方法来评估微生物抗真菌活性.
- 评估不同培养介质和隔离物间相互作用对抗真菌功效的影响.
- 识别具有强大的抗真菌性能的微生物,用于食品应用.
主要方法:
- 利用一个机器人平台来选1022个树汁的分离物.
- 测试了单独和对抗*Kluyveromyces lactis*,*Candida boidinii*和*Saccharomyces cerevisiae**的单独和对抗*Kluyveromyces lactis*的单独和对抗*Saccharomyces cerevisiae*的对抗真菌活性.
- 在三种不同的培养基上评估了活性:M17 + 乳糖 (LM17),盘子数 agar (PCA) 和糖 - antoin (SALN).
主要成果:
- 在查抗真菌活性方面,M17+乳糖 (LM17) 介质比SALN和PCA更有效.
- 显示一致的竞争行为的隔离物更有可能表现出抗真菌活性.
- 共同培养很少增强抗真菌活性;相互作用介导的抑制更为常见.
结论:
- 系统查设计必须结合生物和非生物因素,以实现有效的生物探测.
- 培养基的选择显著影响观察到的抗真菌活性.
- 了解生态相互作用对于发现具有环保强大的抗真菌能力的微生物至关重要.
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