用细菌识别在30分钟内进行酶性抗微生物敏感性测试
Wenshuai Wu1, Boran Zhang2, Weihong Yin1
1Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310027, China.
Analytical chemistry
|October 24, 2023
概括
这项研究引入了酶式抗微生物敏感性测试 (enzyAST) 以快速识别病原体和分析抗生素敏感性. 这种新的方法在30分钟内提供了结果,比传统方法快得多.
科学领域:
- 生物技术是生物技术.
- 微生物学 微生物学
- 临床诊断 临床诊断 临床诊断
背景情况:
- 快速的抗微生物敏感性测试 (AST) 对于有效的抗生素处方至关重要.
- 目前的AST方法耗时,超过16小时.
- 需要同时进行细菌鉴定和敏感性分析.
研究的目的:
- 开发一种快速酶性AST (enzyAST) 方法.
- 为了利用β-d-glucuronidase作为一种生物标志物用于病原体识别和敏感性概况.
- 为了在30分钟内获得二进制AST结果.
主要方法:
- 使用β-d-glucuronidase作为生物标记物的酶定量.
- 测试大肠杆菌菌株对三种抗生素的敏感性.
- 在不同抗生素度下对酶活性进行统计分析,以确定最小的抑制度.
主要成果:
- EnzyAST成功地同时识别了病原体,并对表型敏感性进行了分析.
- 二元AST结果在30分钟内得到.
- 试点研究表明了该方法的适用性和潜力,以确定最小的抑制度.
结论:
- EnzyAST提供了一种比标准AST方法快得多的替代方法.
- 在临床样本中,enzyAST方法对直接的病原体敏感性评估具有前景.
- 进一步开发可以促进基于证据的治疗决策.
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