Co-composting materials can further affect the attenuation of antibiotic resistome in soil application
Copyright © 2021 Elsevier Ltd. All rights reserved.
| Publié dans: | Waste management (New York, N.Y.). - 1999. - 135(2021) vom: 01. Nov., Seite 329-337 |
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| Auteur principal: | |
| Autres auteurs: | , |
| Format: | Article en ligne |
| Langue: | English |
| Publié: |
2021
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| Accès à la collection: | Waste management (New York, N.Y.) |
| Sujets: | Journal Article Antibiotic resistome Co-substrate Compost application Microbial community Swine manure composting Anti-Bacterial Agents Manure Soil |
| Résumé: | Copyright © 2021 Elsevier Ltd. All rights reserved. This study investigated the effects of representative co-substrate (corncob particles) and additive (brick granules) alone on antibiotic resistome of swine manure during composting and subsequent compost application. For relative abundances, four antibiotic resistance gene (ARG) types encoding resistance to aminoglycoside, multidrug, florfenicol-chloramphenicol-amphenicol-fluoroquinolone-quinolone, and sulfonamide increased remarkably during composting, whereas all the ARG types decreased after compost application. Interestingly, much more ARG subtypes (50.1% in total) were reduced in corncob addition treatment. Meanwhile, the addition of corncob particles lowered the relative abundance and diversity of ARGs more significantly. Microbial community exhibited conspicuous changes across the manure, compost, and soil samples where the dominant genera were completely different. Procrustes test proved the co-occurrence and driving effect of microbial community on resistome variation, especially in corncob addition treatment during composting. Network analysis demonstrated that the dissipation of the dominant genera such as Ruminofilibacter, Luteimonas, and Pseudidiomarina in the composts after application contributed greatly to the reduction in ARG relative abundance. Besides, the low abundance of mobile genetic elements (MGEs) in soil also accounted for the attenuation of ARGs to some extent. Our findings clearly proved that co-composting materials can further affect the attenuation of antibiotic resistome in soil application, which can help in understanding the spread and control of ARGs during agricultural process |
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| Description: | Date Completed 19.10.2021 Date Revised 31.05.2022 published: Print-Electronic Citation Status MEDLINE |
| ISSN: | 1879-2456 |
| DOI: | 10.1016/j.wasman.2021.09.016 |