Effects of earthworms on antibiotic resistance genes in different soil-plant systems

被引：1

作者：

Zhang Y. ^{[1
]}

He W. ^{[1
]}

Shi X. ^{[1
]}

Chen M. ^{[1
]}

Bao C. ^{[1
]}

Ji Y. ^{[1
]}

机构：

[1] College of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou

来源：

Environmental Science and Pollution Research | 2024年 / 31卷 / 23期

基金：

中国国家自然科学基金;

关键词：

Absolute abundance; Antibiotic resistance genes; Bacterial community; Earthworm; Root endophytes; Soil-plant systems;

D O I：

10.1007/s11356-024-33352-4

中图分类号：

学科分类号：

摘要：

Earthworms play an important role in the soil environment. To explore the difference in earthworms influence on various media in different soil-plant systems, the abundance of tetracycline, sulfonamide and quinolone resistance genes and the structure of the bacterial community were analysed from five different media including non-rhizosphere soil, rhizosphere soil, phyllosphere, root endophytes and earthworm intestine by real-time quantitative PCR and high-throughput 16S rRNA sequencing. Studies have shown that earthworms can reduce the absolute abundance of antibiotic resistance genes (ARGs) in non-rhizosphere soil. Root endophytes in the soil-cabbage system and rhizosphere soil in the soil-setaria system had the same findings. Earthworms can change the bacterial community structure, especially that of Proteobacteria and Cyanobacteria in the phyllosphere and root endophytes. Redundancy analysis (RDA) results that bacterial community change was the main factor affecting ARGs. In addition, earthworms increased the proportion of Cyanobacteria in root endophytes, and Cyanobacteria was significantly positively correlated with sul3. This study provides a scientific basis for controlling the migration and diffusion of ARGs and reducing environmental risks in soil-plant systems in the future. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

引用

页码：33580 / 33590

页数：10

共 49 条

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