Effects of manure and mineral fertilization strategies on soil antibiotic resistance gene levels and microbial community in a paddy-upland rotation system

Environmental Pollution
Hui LinJunwei Ma

Abstract

This work investigated the responses of antibiotic resistance genes (ARGs) and the soil microbial community in a paddy-upland rotation system to mineral fertilizer (NPK) and different application dosages of manure combined with NPK. The occurrence of five tetracycline ARGs (tetA, tetB, tetC, tetG and tetW), two sulfonamide ARGs (sul1 and sul2) and one genetic element (IntI1) was quantified. NPK application showed only slight or no impact on soil ARGs abundances compared with the control without fertilizer. Soil ARGs abundances could be increased by manure-NPK application but was related to manure dosage (2250-9000 kg ha(-1)). Principal component analysis (PCA) showed that the soil ARG profile of the treatment with 9000 kg ha(-1) manure separated clearly from the other treatments; the ARGs that contributed most to the discrimination of this treatment were tetA, tetG, tetW, sul1, sul2 and IntI1. Community level physiological profile (CLPP) analysis showed that increasing manure dosage from 4500 kg ha(-1) to 9000 kg ha(-1) induced a sharp increase in almost all of the detected ARGs but would not change the microbial community at large. However, 9000 kg ha(-1) manure application produced a decline in soil microbial activity. Determ...Continue Reading

References

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Citations

Feb 18, 2018·Environmental Science and Pollution Research International·Andrey Vladimirovich GorovtsovMarina Alexandrovna Sazykina
Dec 11, 2018·Microbial Ecology in Health and Disease·Siamak YazdankhahYngvild Wasteson
May 22, 2020·Environmental Science and Pollution Research International·Shoutao ChengYanmei Sun
Mar 25, 2019·Journal of the Science of Food and Agriculture·Nicolás GlibotaElena Ortega
Feb 9, 2021·Environmental Science and Pollution Research International·Jianhua ChengChen Liu
Apr 10, 2021·Environmental Science and Pollution Research International·Marisol CiraJennifer A Jay
Nov 18, 2019·Environmental Pollution·Robert S Dungan, David L Bjorneberg
May 11, 2021·The Science of the Total Environment·Yu ZhangXiaojun Shi
May 22, 2021·Ecotoxicology and Environmental Safety·Bingjun HanKeqiang Zhang
Jun 23, 2020·The Science of the Total Environment·Jianteng SunXiangdong Li
Oct 31, 2018·Environmental Science & Technology·Fang WangJames M Tiedje
Oct 16, 2021·Journal of Basic Microbiology·Zonghui JianTengfei Dou

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