Post-digestate composting shifts microbial composition and degrades antimicrobial resistance genes.

Anti-Bacterial Agents / pharmacology Composting Drug Resistance, Bacterial Genes, Bacterial Manure
ARGs removal Biogas feedstock Co-composting Poultry litter Trace elements

Journal

Bioresource technology
ISSN: 1873-2976
Titre abrégé: Bioresour Technol
Pays: England
ID NLM: 9889523

Informations de publication

Date de publication:
Nov 2021
Historique:
received: 26 06 2021
revised: 21 07 2021
accepted: 23 07 2021
pubmed: 2 8 2021
medline: 15 9 2021
entrez: 1 8 2021
Statut: ppublish

Résumé

Post-digestate treatments may reduce the risk linked to Antibiotic Resistant Genes (ARGs) release with digestate direct land application. Thus, this study aimed to evaluate post-digestate composting and co-composting with biogas production feedstock (maize silage, food processing waste, and poultry litter) effect on abundance of selected ARGs: erm(B), tet(K), tet(M), tet(O), and tet(S) genes. More than 80% of all ARGs were removed after 90 days of composting but removals from co-composting were lower. Bacteroidetes, Firmicutes, and Proteobacteria dominated fresh digestate, and a network analysis indicated that these were potential hosts of ARGs. The emergence of Actinobacteria (dominant), Planctomycetes, and Verrucomicrobia phyla during composting shifted the microbial composition. Moreover, canonical correspondence analysis showed trace elements explaining 90% variations in ARGs abundance. The study illustrates significance of post-digestate composting in mitigating ARGs release, and effectiveness could be linked to shift in microbial composition and trace elements release.

Identifiants

DOI: 10.1016/j.biortech.2021.125662 PMID: 34333345
pubmed: 34333345
pii: S0960-8524(21)01003-8
doi: 10.1016/j.biortech.2021.125662
pii:
doi:

Substances chimiques

Anti-Bacterial Agents 0
Manure 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

125662

Informations de copyright

Copyright © 2021 Elsevier Ltd. All rights reserved.

Auteurs

Biyensa Gurmessa (B)

Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche 10, Ancona 60131, Italy. Electronic address: biyensa@gmail.com.

Vesna Milanovic (V)

Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche 10, Ancona 60131, Italy.

Ester Foppa Pedretti (E)

Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche 10, Ancona 60131, Italy.

Giuseppe Corti (G)

Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche 10, Ancona 60131, Italy.

Amanda J Ashworth (AJ)

Agricultural Research Service, U.S. DEPARTMENT OF AGRICULTURE (USDA-ARS), Poultry Production and Product Safety Research Unit, 1260 W. Maple St., Fayetteville, AR 72701, USA.

Lucia Aquilanti (L)

Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche 10, Ancona 60131, Italy.

Ilario Ferrocino (I)

Department of Agricultural, Forest, and Food Science, University of Turin, Largo Paolo Braccini 2, Grugliasco, Torino, Italy.

Maria Rita Corvaglia (M)

Department of Agricultural, Forest, and Food Science, University of Turin, Largo Paolo Braccini 2, Grugliasco, Torino, Italy.

Stefania Cocco (S)

Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche 10, Ancona 60131, Italy.

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Classifications MeSH

questionsmedicales.fr › Actions chimiques et utilisations › Actions pharmacologiques › Utilisations thérapeutiques › Anti-infectieux › Antibactériens › Post-digestate composting shifts microbial...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Amélioration du niveau sanitaire › Génie sanitaire › Gestion des déchets › Élimination des déchets › Compostage › Post-digestate composting shifts microbial...
questionsmedicales.fr › Phénomènes physiologiques › Phénomènes pharmacologiques et toxicologiques › Phénomènes pharmacologiques › Résistance aux substances › Résistance microbienne aux médicaments › Résistance bactérienne aux médicaments › Post-digestate composting shifts microbial...
questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Génome › Génome microbien › Génome bactérien › Gènes bactériens › Post-digestate composting shifts microbial...
questionsmedicales.fr › Mélanges complexes › Fumier › Post-digestate composting shifts microbial...