对Vibrio parahaemolyticus抗菌耐药性和毒性的分析
Zhu-Qing Shen1, Xiao-Lin Zhang2, Yu-Qing Zhou2
1State Key Laboratory of Biocontrol, Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou, 510006, China; Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao, 266071, China.
Marine pollution bulletin
|November 5, 2025
概括
来自中国海鲜的抗生素耐药Vibrio parahaemolyticus菌株表现出强大的生物膜形成和多样化的运动性. 对聚米克辛等关键抗生素的耐药性普遍存在,对海洋生态系统和人类健康构成风险.
科学领域:
- 海洋微生物学 海洋微生物学
- 抗微生物耐药性 抗微生物耐药性
- 食品安全 食品安全
背景情况:
- 紫外线病毒 (Vibrio parahaemolyticus) 是海洋环境中的重要病原体,也是海鲜传播疾病的原因之一.
- 抗生素耐药性和V. parahaemolyticus的毒性因素对公共卫生和生态系统稳定性至关重要.
- 水产养殖实践,特别是抗生素的使用,可以影响耐药和毒性菌株的演变.
研究的目的:
- 研究来自中国沿海地区的Vibrio parahaemolyticus分离物中抗生素耐药性和毒性表型之间的关系.
- 评估V. parahaemolyticus中多药耐药性和特定耐药性模式的流行情况.
- 了解抗生素耐药性在海洋环境和水产养殖中的生态影响.
主要方法:
- 从零售海鲜和水产养殖样本中分离和鉴定95种V. parahaemolyticus菌株.
- 对抗菌素敏感性测试,以评估对重要抗生素的耐药性.
- 病毒性特征的表型分析,包括生物膜形成,运动性和血液溶解能力.
- 实验进化研究,以确认交叉抵抗和表型变化.
主要成果:
- 所有95个V. parahaemolyticus分离体都表现出多种药物耐药性,其中100%的耐药性是针对聚米克辛和硫胺.
- 观察到强度高的生物膜形成 (91/95分离物) 和多样化的运动概况.
- 在生物膜形成和四环素耐药性之间,以及在运动性和对氨基糖化物,化物,硫胺胺和四环素的耐药性之间发现了显著的相关性.
- 血液溶解能力与多素和素耐药性呈现逆相关性.
结论:
- 在V. parahaemolyticus中广泛出现的多药性耐药性突显了解决水产养殖中滥用抗生素的迫切需要.
- 抗生素耐药性和像生物膜形成这样的毒性特征之间的联系表明了海洋生态系统中病原体持久性的机制.
- 需要综合战略来减轻抗生素耐药V. parahaemolyticus所带来的生态和公共卫生风险.
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