在家禽产品中产生腹,多药耐药和ESBL产生的大肠杆菌
Emília Turlande1,2,3, Lucas Nogueira Paz2, Carla Silva Dias2
1Postgraduate Program in Microbiology, Federal University of Bahia, Salvador, Bahia 40170-110, Brazil.
FEMS microbiology letters
|June 9, 2025
概括
引起腹的大肠杆菌,包括抗微生物耐药和ESBL产生菌株,在热带自由放养的家禽中普遍存在. 这一发现突显了食物传播疾病和抗菌素耐药性传播的风险.
科学领域:
- 食品安全 食品安全
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 大肠杆菌是导致食物传播疾病的主要原因.
- 禽类产品可以作为病原细菌的储存库.
- 大肠杆菌的抗菌素耐药性和毒性因素对公众健康构成重大威胁.
研究的目的:
- 调查在自由养的家禽产品中产生腹,抗微生物耐药和扩展谱β-乳糖酶 (ESBL) 的大肠杆菌的流行情况.
- 描述大肠杆菌分离物的毒性和抗菌素耐药性基因.
- 评估热带地区与这些病原体相关的风险.
主要方法:
- MALDI-TOF/VITEK® 2系统用于大肠杆菌的识别.
- 聚合酶连锁反应 (PCR) 测定毒性和β-乳酸酶基因.
- 表型抗微生物耐药性分析和ESBL查.
主要成果:
- 在92.3%的家禽肉和15.8%的蛋样本中检测到大肠杆菌.
- 60%的大肠杆菌分离物是导致腹的,包括混合病型.
- 观察到抗菌素耐药性 (46.7%),多药耐药性 (35.7%) 和ESBL产生 (26.7%) 的高率.
结论:
- 热带地区的自由养家禽中含有大量的致病性和耐药性大肠杆菌.
- 这些菌株的传播有助于食物传播疾病和抗菌素耐药性的传播.
- 一个健康的方法对于人类,动物和环境健康的综合管理至关重要,以减轻这些风险.
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