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Network complexity of bacterial community driving antibiotic resistome in the microbiome of earthworm guts under different land use patterns

文献类型： 外文期刊

作者： Luo, Fang 1 ; Zhao, Yang 3 ; Xu, Jia-Yang 1 ; Wang, Hong-Tao 5 ; Zhu, Dong 1 ;

作者机构： 1.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Ningbo Urban Environm Observat & Res Stn, Xiamen 361021, Peoples R China

2.CAS Haixi Ind Technol Innovat Ctr Beilun, Zhejiang Key Lab Urban Environm Proc & Pollut Cont, Ningbo 315830, Peoples R China

3.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, Key Lab Pesticide Residue Detect,Minist Agr & Rura, Hangzhou 310021, Peoples R China

4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

5.Henan Univ, Coll Geog & Environm Sci, Kaifeng 475004, Peoples R China

关键词： Antibiotic resistome; Biotic factor; Abiotic factor; Land use; Network analyses

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：13.6； 五年影响因子：12.7 ）

ISSN： 0304-3894

年卷期： 2024 年 461 卷

页码：

收录情况： SCI

摘要： Recently, the study of antibiotic resistance in the soil animal microbiome has attracted extensive attention; however, the patterns of antibiotic resistance genes (ARGs) in soil and soil animals related to different land use types remain poorly studied. In the present study, soil and earthworms were collected from four different land use types (farmland, hospital, park land, and mountain park), and 162 ARGs in the microbiomes of the soil and earthworms were quantified using high-throughput quantitative PCR. Our study showed that the abundance and number of ARGs were higher in soil samples than in earthworm guts, but earthworms as the living organisms created relatively isolated ambient surroundings, which allowed for a more heterogeneous ARGs profile. Meanwhile, land use significantly influenced the abundance, number and co-occurrence pattern of ARGs in the soil and earthworm samples. Furthermore, abiotic and biotic factors had significant effects on the ARGs profile, among which pH had a negative effect on the ARGs profiles of both soil and earthworm microbiomes, and bacterial network complexity had a positive effect on the earthworm ARGs profile. Our study provides new insights into the distribution and dispersal of ARGs in the soil animal gut microbiome under different land use patterns.

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