构建L型莱克,显示Saccharomyces cerevisiae对Vibrio parahaemolyticus凝结的结构
Phuong-Thao Thi Nguyen1,2,3,4, Thuan-Thien Dinh1,2,3, Hieu Tran-Van5,6,7
1Department of Molecular and Environmental Biotechnology; Laboratory of Biosensors, Faculty of Biology and Biotechnology, University of Science, Ho Chi Minh City, Vietnam.
概括
在其表面表达学蛋白LvLTLC1的工程酵母可以凝结有害细菌. 这种新型酵母菌株显示出作为控制Vibrio parahaemolyticus和Aeromonas hydrophila的料补充剂的潜力,特别是预防AHPND.
科学领域:
- 生物技术是生物技术.
- 微生物学 微生物学
- 水产养殖是水产养殖的一种方式.
背景情况:
- Aga1P蛋白在Saccharomyces cerevisiae表面促进异质蛋白的表达,增强蛋白质的活性和稳定性.
- 利托佩内乌斯 (Litopenaeus vannamei) 的L型莱克 (LvLTLC1) 显示出对Vibrio parahaemolyticus的凝结活性,这是一种影响的急性肝胰腺亡病 (AHPND) 的关键病原体.
研究的目的:
- 使用Aga1P anchor系统在Saccharomyces cerevisiae的表面表达LvLTLC1蛋白质.
- 评估工程酵母菌株在结合致病细菌,特别是V. parahaemolyticus和Aeromonas hydrophila中的有效性.
主要方法:
- 在S. cerevisiae上LvLTLC1的表面表达是使用Aga1P anchor系统实现的.
- 使用SDS-PAGE,点点和光免疫测试进行了LvLTLC1表面显示的确认.
- 工程酵母菌株对V. parahaemolyticus和A. hydrophila的结合能力进行了评估.
主要成果:
- 通过多种分析技术证实了LvLTLC1在S. cerevisiae上的成功表面表达.
- 工程酵母菌株对V. parahaemolyticus和A. hydrophila都表现出显著的结合活性.
- 显示LvLTLC1的酵母有效地凝结了导致AHPND的病原体V. parahaemolyticus.
结论:
- 为了显示Litopenaeus vannamei L型瘦素 (LvLTLC1) 进行工程设计的Saccharomyces cerevisiae可以凝结致病细菌.
- 这种基于酵母的新型系统有望作为料补充剂,用于控制水产养殖中的细菌感染,包括AHPND.
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