[Microbial Ecology in the Mask-derived Plastisphere in a Water Environment].

Q2 Environmental Science
Si-Wei Peng, Guang-Yi Zhang, Yuan-Yuan Jiao
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引用次数: 0

Abstract

As a result of the impact of COVID-19 and other respiratory diseases, the regular use of medical masks and the associated risk that the mask waste enters the water environment have increased, and the mask-derived microplastics are finally posing a potential impact on the aquatic ecological environment. This study explored the microbial diversity, function, assembly mechanism, and ecological network in the plastisphere derived from different layers of masks. The results indicated that the plastisphere in each layer had a unique microbial community, and the community richness gradually increased over time. The functions of microbial communities in the plastisphere, including pathogenicity, phototrophy, compound degradation, and the functions related to the cycling of carbon, nitrogen, and sulfur, changed significantly over time. As to the microbial assembly mechanism in the plastisphere, stochastic processes were more dominant (NST>0.5), but the influence of deterministic processes gradually grew. The ecological network results indicated that all the plastispheres exhibited a high number of modules and high modularity, and the complexity of the microbial community gradually decreased with colonization time. This study indicates that the mask-derived plastisphere has a unique ecological process, which strengthens our understanding of the ecological effects and microbial colonization processes of the mask-derived plastisphere.

[水环境中面罩衍生塑料球的微生物生态学]。
受新冠肺炎疫情等呼吸系统疾病影响,医用口罩的常规使用和口罩废弃物进入水环境的风险增加,口罩衍生的微塑料最终对水生生态环境构成潜在影响。本研究探讨了不同层数口罩产生的塑料圈内微生物的多样性、功能、组装机制和生态网络。结果表明:各层塑球均有独特的微生物群落,且群落丰富度随时间逐渐增加。随着时间的推移,塑料圈中微生物群落的功能,包括致病性、光养性、化合物降解以及与碳、氮、硫循环相关的功能发生了显著变化。对于微生物在塑性球内的组装机制,随机过程占主导地位(NST>0.5),但确定性过程的影响逐渐增强。生态网络结果表明,所有塑料球都表现出高数量的模块性和高模块化,微生物群落的复杂性随着定殖时间的延长而逐渐降低。该研究表明,面具衍生的塑料球具有独特的生态过程,加强了我们对面具衍生的塑料球的生态效应和微生物定植过程的认识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
环境科学
环境科学 Environmental Science-Environmental Science (all)
CiteScore
4.40
自引率
0.00%
发文量
15329
期刊介绍:
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