综合的转录组学和代谢组学揭示了多素针对Clostridium perfringens和死肠炎的多目标机制
Huiping Xu1, Lu Gong1, Yuming Guo2
1State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
Journal of animal science and biotechnology
|July 13, 2025
概括
素,像五甲基葡萄糖 (PGG) 和酸 (TA) 一样,破坏了Clostridium perfringens的细胞膜和新陈代谢. 这些植物聚醇通过改善肠道健康和减少炎症,为对抗死肠炎提供了有希望的策略.
科学领域:
- 微生物学 微生物学
- 分子生物学分子生物学
- 胃肠病学 胃肠病学
背景情况:
- 杆菌是分泌毒素的病原体,引起肠道疾病,如死肠炎.
- 桑宁对C. perfringens表现出抑制作用,但机制尚不清楚.
研究的目的:
- 研究素 (五甲基葡萄糖和酸) 对C. perfringens的抑制机制.
- 探索缓解C. perfringens感染的途径在体内使用转录学和代谢学.
主要方法:
- 转录学和代谢学综合分析.
- 使用了体外细胞模型和体外小鼠模型.
- 分析了细胞膜完整性,基因表达和代谢途径.
主要成果:
- 丹尼因损坏了C. perfringens的细胞膜,导致泄漏.
- 桑宁破坏了C. perfringens的氨基酸代谢,能量生产和环境感应.
- 桑宁结合阿尔法毒素,减少炎症,改善肠道屏障功能 in vitro 和 in vivo.
结论:
- 素通过多目标机制抑制C. perfringens,包括细胞膜损伤和代谢干扰.
- 素改善肠道完整性,减少炎症,为治疗死肠炎提供了潜力.
- 基于植物多的策略显示出对有害细菌肠道疾病的承诺.
相关概念视频
Bacterial Toxins
Bacterial toxins are sophisticated virulence factors that enable pathogenic bacteria to interact with, invade, and damage host tissues. These toxins fall broadly into two types: protein exotoxins, which are secreted into the environment and target specific host receptors, and lipopolysaccharide endotoxins, which are structural components of the bacterial outer membrane released primarily during bacterial lysis or membrane shedding. Exotoxins generally act more selectively, binding to cell...
Determinants of Bacterial Pathogenicity and Virulence
Pathogenic bacteria employ a variety of strategies to establish infections, including the secretion of extracellular enzymes that act as potent virulence factors. These enzymes facilitate bacterial colonization of host tissues and help evade immune surveillance. By targeting structural components of host tissues and interfering with immune mechanisms, these enzymes play a pivotal role in disease progression.Extracellular Enzymes Facilitating Tissue Invasion: Several bacterial pathogens secrete...


