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对三种Bacillus物种的高效电变化方法.

Wei Quan1, Chen-Lu Liu1, Shao-Xuan Shi1

  • 1College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Key Laboratory of Biopesticide Creation and Resource Utilization for Autonomous Region Higher Education Institutions, Hohhot, 010018, China.

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概括
此摘要是机器生成的。

优化电解条件和使用甘氨酸显著提高了细菌的转化效率. 这为Bacillus amyloliquefaciens,Bacillus velezensis和Bacillus subtilis的基因操纵提供了一种有效的方法.

关键词:
亚米洛基面菌 (Bacillus amyloliquefaciens) 是一种有毒的植物.这种细菌是 Bacillus subtilis.这种病原体是Bacillus velezensis.电穿孔是一种电子穿孔.响应表面方法 (RSM)变化 转化 转化 转化

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科学领域:

  • 微生物学 微生物学
  • 分子生物学分子生物学
  • 生物技术是生物技术.

背景情况:

  • 细菌菌株在食品发酵和农业中至关重要.
  • 有效的基因操纵需要优化转化方法.
  • 现有的菌转化方法需要改进,以实现实际应用.

研究的目的:

  • 为了优化三种细菌菌株的电穿孔条件:Bacillus amyloliquefaciens YN-J3,Bacillus velezensis JN-Y2和Bacillus subtilis S-16.
  • 确定有效的细胞壁剂,以提高细菌转化效率.
  • 建立一个强大的和高效的系统,用于Bacillus遗传操纵.

主要方法:

  • 使用直角实验和响应表面分析来优化电穿孔参数 (OD600,主管细胞体积,等离子体度,场强度).
  • 研究人员对各种细胞壁剂进行了选,以检测它们提高细菌能力的能力.
  • 使用CFU/μgDNA量化了转化效率.

主要成果:

  • 为每个细菌菌株确定了最佳的转化参数,从而实现了高的转化效率 (例如,B.a YN-J3 的 22,198.33 CFU/μg DNA).
  • 甘氨酸 (50毫克/毫升) 显著提高了B.a YN-J3,B.v JN-Y2和B.s S-16的转化效率,分别为40,36和24倍.
  • 优化电解和甘氨酸处理的结合方法产生了稳定高效的转化系统.

结论:

  • 优化的电穿孔协议与甘氨酸治疗相结合,为Bacillus菌株的基因操纵提供了一种高效的方法.
  • 这种改进的转化系统促进了Bacillus物种在工业和农业应用中的进步.
  • 这项研究为研究Bacillus转化工作的研究人员提供了有价值的协议.