马萨雷 (MassARRAY):一种高通量解决方案,用于在现实环境中快速检测食物传播病原体
Namfon Suebwongsa1, Surasak Jiemsup1, Pannita Santiyanont1
1National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand.
Frontiers in microbiology
|July 10, 2024
概括
一种新的基于MassARRAY的测定方法可以准确检测到10种关键的细菌食物传播病原体. 这种高通量方法在纯种植和田间样本中显示了100%的一致性,为食品安全提供了可靠的工具.
科学领域:
- 食品安全和微生物学
- 分子诊断学 分子诊断学
- 公共卫生 公共卫生
背景情况:
- 食物传播的细菌病原体是一个重大的全球健康问题.
- 现有的食品安全法规旨在减轻疾病风险.
- 像MassARRAY分析这样的基于DNA的方法提供了精确,灵敏和高通量细菌检测.
研究的目的:
- 开发,验证和评估基于MassARRAY的测定方法,用于检测和识别显著的肠病原菌.
- 评估测试在食品传播病原体的高通量查中的性能.
- 为了确定测试在现实世界现场样本中的适用性.
主要方法:
- 开发了一种基于MassARRAY的检测方法,用于10种细菌的食物传播病原体.
- 优化和验证了使用参考和实验室分离物体的基因组DNA (gDNA) 的测定.
- 评估了使用混合gDNA样本的测试性能,并确定了与细菌细胞的检测极限,将现场样本结果与标准微生物学方法进行比较.
主要成果:
- 马萨雷试验与已知的细菌纯培养物达到了100%的一致性.
- 它成功地从混合的gDNA样本中检测出所有向物种.
- 该试验在现场样本中显示出高准确度和可靠性,与标准微生物学测试百分之百相关.
结论:
- 开发的基于MassARRAY的测定方法非常准确和可靠,可用于高吞吐量检测食源性细菌病原体.
- 该测试显示了在现实世界食品安全监测中应用的巨大潜力.
- 这种方法提供了一种敏感且具有成本效益的方法,用于食品样本中的细菌识别.
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