在 Bacillus subtilis 子中,卡瓦克罗尔和蒂摩尔抑制发芽的不同模式
Toshio Sakai1, Jin J Sakamoto2,3, Ryoko Asada1,2,4
1Department of Quantum and Radiation Engineering, Graduate School of Engineering, Osaka Prefecture University.
Journal of microorganism control
|June 6, 2023
概括
乙醇和卡瓦克罗尔是精油成分,它们抑制了Bacillus subtilis子的芽. 果糖抵消了这种抑制,为食品中的细菌子控制提供了洞察力.
科学领域:
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
- 自然产品 化学 化学
背景情况:
- 精油成分 (EOC),如卡瓦克罗尔和蒂摩尔,以其抗菌特性而闻名.
- 了解它们对细菌子发芽的影响对于食品的保存和安全至关重要.
- 细菌细菌子是研究子发芽抑制的一个模型.
研究的目的:
- 为了研究卡瓦克罗尔和蒂摩尔对细菌细菌子发芽的差异性抑制.
- 阐明这些EOC的抑制作用背后的机制.
- 探索特定的发芽系统和糖在调节EOC活动中的作用.
主要方法:
- 通过Trypticase豆 (TSB) 和酸盐缓冲系统 (l-alanine和AGFK) 的OD600降低率评估子发芽.
- 测量DPA释放作为发芽的指标.
- 利用野生型和突变的细菌细菌子 (gerA,gerB,gerK删除) 来分析特定的途径.
主要成果:
- 在TSB和AGFK系统中,提摩尔比卡瓦克罗尔更强烈地抑制了野生型Bacillus subtilis子的发芽.
- 这种差异性抑制通过AGFK系统的DPA释放得到证实,但不是l-alanine系统.
- 果糖逆转了EOC诱导的发芽抑制,并且在较高度下抑制了卡尔瓦克罗尔的抑制作用,而葡萄糖则部分减轻了它.
结论:
- 卡瓦克罗和蒂摩尔对细菌细菌子发芽具有明显的抑制作用,受发芽系统的影响.
- 特定糖的存在,特别是果糖,可以抵消这些精油成分的抑制作用.
- 这些发现有助于理解使用天然化合物控制食品中的细菌子.
关键词:
这种细菌是 Bacillus subtilis.这是一种细菌子.卡尔瓦克罗尔 (Carvacrol) 是一种发芽 发芽 发芽 是一个过程.抑制抑制抑制的抑制作用接收器 接收器 接收器接收器子的发芽 子的发芽蒂莫尔 (thymol) 是一种蛋白质.更多相关视频
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