FtsZ有助于细胞粘附和与宿主细胞外基因组件和Mycoplasma bovis中的等离子素相互作用
Shanyu Jin1,2,3, Shengli Chen4,5,6, Huafang Hao1,2,3
1State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730000, China.
菌体bovis FtsZ蛋白是一种新型的粘附因子. 它与宿主细胞外基质和等离子体结合,帮助细菌传播和感染,为牛病控制提供了新的点.
科学领域:
- 细菌学 细菌学是一门学科.
- 兽医微生物学 兽医微生物学
- 分子病原体的产生.
背景情况:
- 在牛畜产业中,Mycoplasma bovis会造成重大经济损失.
- 抗生素耐药性和无效的疫苗阻碍了M. bovis感染的控制.
- 细菌分裂蛋白FtsZ在M. bovis病原性中的作用尚不清楚.
研究的目的:
- 调查FtsZ在Mycoplasma bovis病原性中的作用.
- 确定FtsZ在细菌粘附和传播中的功能.
主要方法:
- 定位和FtsZ蛋白的免疫性评估.
- 在体外结合测试使用胚胎牛肺 (EBL) 细胞和宿主细胞外基质组件 (纤维蛋白,拉米林,维特龙蛋白,原IV).
- 使用组织等离子素激活剂 (tPA) 的等离子素激活试验.
- 在M. bovis中对ftsZ基因的基因破坏和补充,以评估对EBL细胞的粘附性.
主要成果:
- FtsZ是保存的,免疫的,并且位于细胞膜上.
- FtsZ与EBL细胞膜提取物和宿主细胞外基质组件结合.
- FtsZ激活了等离子体,促进了组织扩散.
- 破坏ftsZ基因显著降低了M. bovis对EBL细胞的附着性.
结论:
- 在Mycoplasma bovis.中,FtsZ作为一种新型粘附蛋白发挥作用.
- FtsZ介导与宿主细胞外基质和等离子素的相互作用,对粘附和传播至关重要.
- FtsZ代表了针对M. bovis感染的疫苗和药物的潜在新目标.
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