在一个亚热带鱼类养殖场中识别巨型塑料病菌生物和抗生素耐药性
Jeanne Naudet1, Emmanuelle Roque d'Orbcastel2, Thierry Bouvier1
1UMR MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, Montpellier, France.
Marine pollution bulletin
|July 24, 2023
概括
水产养殖中的巨型塑料比周围环境中更多的潜在人类致病细菌 (PHPB) 和抗生素耐药细菌 (ARB). 这些塑料碎片充当水库,对鱼类和人类健康构成风险.
科学领域:
- 环境科学环境科学
- 微生物学 微生物学
- 水产养殖科学 水产养殖科学
背景情况:
- 巨型塑料在海洋水产养殖环境中广泛存在.
- 塑料作为病原体和抗生素耐药细菌的储存器的作用还没有得到充分研究.
- 水产养殖系统面临着越来越多的塑料垃圾污染风险.
研究的目的:
- 在海洋水产养殖场的巨型塑料上调查潜在的人类病原细菌 (PHPB) 和抗生素耐药细菌 (ARB) 的流行情况.
- 为了比较巨型塑料的细菌病原生物和抗体与鱼肠和周围环境样本.
- 评估水产养殖塑料作为PHPB和ARB的储的潜力.
主要方法:
- 使用元编码来进行全面的细菌社区分析.
- 采用标准抗生素敏感性测试来确定耐药性概况.
- 在毛里求斯水产养殖场收集和分析了巨型塑料,鱼肠,海水和沉积物的样本.
主要成果:
- 与环境样本相比,巨型塑料中含有PHPB的水平显著更高,特别是Vibrionaceae家族.
- 来自水产养殖塑料的细菌分离物与来自海水,沉积物和鱼肠的细菌分离物相比,呈现出明显更高的MAR.
- 塑料碎片显示出更多的ARB和PHPB,表明它们作为微生物热点的作用.
结论:
- 水产养殖巨型塑料作为PHPB和ARB的关键水库和矿.
- 水产养殖中的塑料污染对养殖鱼类的健康构成潜在威胁.
- 这些发现突出了由于水产养殖塑料上存在PHPB和ARB而对人类消费者的风险.
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