后面的信息:探索物理损伤对水生环境中的面具微生物组成的影响
Hu Wang1, Zixian Zhu2, Ling Zhang3
1College of Geography and Environment, Shandong Normal University, Jinan, 250014, PR China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, PR China.
Environmental research
|August 23, 2023
概括
废弃的口罩,日益增长的塑料污染,港湾改变了微生物群落. 物理损伤显著增加生物膜生物质和致病细菌,特别是在中间面膜层,造成更高的环境风险.
科学领域:
- 环境微生物学环境微生物学
- 塑料污染研究的研究.
- 微生物生态学 微生物生态学
背景情况:
- 随着COVID-19大流行,口罩的使用和处置变得广泛,从而创造了塑料污染的新来源.
- 在水生环境中丢弃的口罩会受到物理损伤和微生物殖民.
- 了解口罩上的微生物变化对于评估环境和健康风险至关重要.
研究的目的:
- 研究物理损伤对水生环境中废弃口罩不同层的微生物组成和生物膜形成的影响.
- 为了比较受损与未受损的面具样本上的微生物群落.
- 为了确定与不同层面罩相关的特定风险.
主要方法:
- 在受损和未受损的废弃口罩的内,中间和外层上分析微生物生物膜的形成.
- 在受损和未受损样本之间比较微生物群体结构和生物质.
- 识别面具上存在的微生物基因和潜在的病原体.
主要成果:
- 面具上的微生物社区结构在10天内进化,从先驱物种转变为主导物种.
- 与未受损的样本相比,受损的面具样本的生物膜生物质量是1.62-2.38倍.
- 参与营养循环的基因在受损的面具中更加丰富,中间层显示出明显的殖民和更高的致病性细菌存在.
结论:
- 物理损伤显著改变了废弃口罩的微生物生态.
- 损坏的口罩的中间层会造成更高的环境风险,原因是病原性细菌的增加和明显的微生物殖民.
- 废弃口罩的环境风险评估必须考虑物理损害和特定层的微生物组成.
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