关于如何解释"获得的抗微生物耐药性基因"的QPS资格的声明
EFSA journal. European Food Safety Authority
|November 2, 2023
概括
合格安全假设 (QPS) 方法评估食品和料的微生物安全性. 该声明澄清了对抗微生物药物耐药性 (AMR) 基因的内在与获得性,这对于风险评估至关重要.
科学领域:
- 微生物学 微生物学
- 食品安全 食品安全
- 风险评估 风险评估
背景情况:
- 合格安全假设 (QPS) 方法提供了对食品和料链的微生物安全的预先评估.
- 安全问题由EFSA科学小组在分类单元,物种/菌株或产品层面进行评估.
- 细菌QPS分类单元的一个关键条件是没有获得的抗菌素耐药性 (AMR) 基因.
研究的目的:
- 为EFSA的风险评估定义"内在"和"获得"的AMR基因.
- 提出一种生物信息学方法来区分内在和获得的AMR基因.
- 为指导用于食品和料链中的细菌中AMR基因的评估.
主要方法:
- 定义"内在的"和"获得的"抗微生物耐药性 (AMR) 基因.
- 提出一种生物信息学方法来区分内在和获得的AMR基因.
- 考虑到AMR基因对世界卫生组织 (WHO) 分类的抗微生物药物产生耐药性.
主要成果:
- 内在的AMR基因可能对EFSA风险评估无关.
- 获得的AMR基因导致抗药性表型被认为是令人担忧的.
- 获得的AMR基因不会导致表型耐药性,需要逐个评估.
结论:
- 清晰的定义和拟议的生物信息方法有助于评估食品和料安全中的AMR基因风险.
- 区分内在和获得的AMR对于准确的安全评估至关重要.
- 通过这些定义和方法,EFSA针对AMR基因的风险评估框架得到了改进.
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