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The fungicide azoxystrobin perturbs the gut microbiota community and enriches antibiotic resistance genes in Enchytraeus crypticus
Zhang, Qi; Zhu, Dong; Ding, Jing; Zheng, Fei; Zhou, Shuyidan; Lu, Tao; Zhu, Yong-Guan; Qian, Haifeng
2019-10-01
Source PublicationENVIRONMENT INTERNATIONAL
ISSN0160-4120
Volume131Pages:-
AbstractThe use of pesticides to ensure global food security is the most important pest control strategy in modern agriculture but causes extensive soil pollution. This pollution involves potential risks to human health and ecosystems. In addition to soil animal growth, the adverse impact of pesticides on the gut microbiomes of nontarget soil fauna remains largely unknown. Here, the effect of the fungicide azoxystrobin (AZ) on soil and the gut microbiota of soil animals (Enchytraeus crypticus) was studied. The tested concentrations of AZ altered the bacterial community in the soil and E. crypticus gut and were slightly toxic with respect to E. crypticus adult mortality and reproduction. The most abundant bacterial phylum, Proteobacteria, significantly increased in response to the 2 and 5 mg/kg AZ treatments, which implied a disordered unhealthy gut bacterial community. Furthermore, bacterial community analysis between the soil and gut showed that the main effect of AZ on the gut microbiota was directly through AZ, not soil microbiota. In addition, AZ exposure significantly enhanced the number and total abundance of antibiotic resistance genes (ARGs) in the E. crypticus gut; these genes may enter the soil food web to affect higher trophic levels and cause a more serious ecological risk. Our study reported the effect of pesticides on the gut of soil animals and on the enrichment of ARGs as global emerging contaminants, revealing unknown potential impacts of fungicides on ecosystem services and sustainable food production.
Department土壤环境科学与技术实验室
KeywordGut microbiota Antibiotic resistance genes Azoxystrobin Enchytraeus Fungicide
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/43316
Collection土壤环境科学实验室
Affiliation1.Zhejiang Univ Technol, Coll Environm, Hangzhou 310032, Zhejiang, Peoples R China
2.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Fujian, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qi,Zhu, Dong,Ding, Jing,et al. The fungicide azoxystrobin perturbs the gut microbiota community and enriches antibiotic resistance genes in Enchytraeus crypticus[J]. ENVIRONMENT INTERNATIONAL,2019,131:-.
APA Zhang, Qi.,Zhu, Dong.,Ding, Jing.,Zheng, Fei.,Zhou, Shuyidan.,...&Qian, Haifeng.(2019).The fungicide azoxystrobin perturbs the gut microbiota community and enriches antibiotic resistance genes in Enchytraeus crypticus.ENVIRONMENT INTERNATIONAL,131,-.
MLA Zhang, Qi,et al."The fungicide azoxystrobin perturbs the gut microbiota community and enriches antibiotic resistance genes in Enchytraeus crypticus".ENVIRONMENT INTERNATIONAL 131(2019):-.
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