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Microbial community structure and co-occurrence network stability in seawater and microplastic biofilms under prometryn pollution in marine ecosystems
Summary
Researchers studied how the herbicide prometryn affects microbial communities in both seawater and on microplastic surfaces in marine environments. They found that prometryn pollution significantly altered the structure and stability of microbial networks growing on microplastics compared to those in surrounding water. The findings suggest that the combination of chemical pollutants and microplastics creates distinct ecological impacts on marine microbial ecosystems.
Prometryn has been extensively detected in marine environment because of its widespread usage in agriculture and aquaculture and has been concerns since its serious effects on aquatic organisms. However, its impact on the microbial community in the marine ecosystem including seawater and biofilm is still unclear. Therefore, a short-term indoor microcosm experiment of prometryn exposure was conducted. This study found that prometryn had a more significant impact on the structure and stability of the microbial community in seawater compared to microplastic biofilms. Additionally, we observed that the assembly of the microbial community in biofilms was more affected by stochastic processes than in seawater under the exposure of prometryn. Our study provided evidence for the increasing impact of the microbial communities under the stress of prometryn and microplastics.