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Long-term applicati...
Long-term application of Swedish sewage sludge on farmland does not cause clear changes in the soil bacterial resistome
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- Rutgersson, Carolin, 1983 (author)
- Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Centre for antibiotic resistance research, CARe,Institute of Biomedicine, Department of Infectious Medicine
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- Ebmeyer, Stefan, 1990 (author)
- Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Centre for antibiotic resistance research, CARe,Institute of Biomedicine, Department of Infectious Medicine
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- Lassen, Simon Bo (author)
- Chinese Academy of Sciences,Köpenhamns universitet,University of Copenhagen
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- Karkman, Antti (author)
- Helsingin Yliopisto,University of Helsinki,Göteborgs universitet,University of Gothenburg
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- Fick, Jerker (author)
- Umeå universitet,Kemiska institutionen
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- Kristiansson, Erik, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Göteborgs universitet,University of Gothenburg
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- Brandt, Kristian K. (author)
- Köpenhamns universitet,University of Copenhagen
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- Flach, Carl-Fredrik, 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,CARe - Centrum för antibiotikaresistensforskning,Institute of Biomedicine, Department of Infectious Medicine,Centre for antibiotic resistance research, CARe
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- Larsson, D. G. Joakim, 1969 (author)
- Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Centre for antibiotic resistance research, CARe,Institute of Biomedicine, Department of Infectious Medicine
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(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- English.
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In: Environment International. - : Elsevier BV. - 0160-4120 .- 1873-6750. ; 137
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Abstract
Subject headings
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- The widespread practice of applying sewage sludge to arable land makes use of nutrients indispensable for crops and reduces the need for inorganic fertilizer, however this application also provides a potential route for human exposure to chemical contaminants and microbial pathogens in the sludge. A recent concern is that such practice could promote environmental selection and dissemination of antibiotic resistant bacteria or resistance genes. Understanding the risks of sludge amendment in relation to antibiotic resistance development is important for sustainable agriculture, waste treatment and infectious disease management. To assess such risks, we took advantage of an agricultural field trial in southern Sweden, where land used for growing different crops has been amended with sludge every four years since 1981. We sampled raw, semi-digested and digested and stored sludge together with soils from the experimental plots before and two weeks after the most recent amendment in 2017. Levels of selected antimicrobials and bioavailable metals were determined and microbial effects were evaluated using both culture-independent metagenome sequencing and conventional culturing. Antimicrobials or bioavailable metals (Cu and Zn) did not accumulate to levels of concern for environmental selection of antibiotic resistance, and no coherent signs, neither on short or long time scales, of enrichment of antibiotic-resistant bacteria or resistance genes were found in soils amended with digested and stored sewage sludge in doses up to 12 metric tons per hectare. Likewise, only very few and slight differences in microbial community composition were observed after sludge amendment. Taken together, the current study does not indicate risks of sludge amendment related to antibiotic resistance development under the given conditions. Extrapolations should however be done with care as sludge quality and application practices vary between regions. Hence, the antibiotic concentrations and resistance load of the sludge are likely to be higher in regions with larger antibiotic consumption and resistance burden than Sweden.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Keyword
- Metagenome sequencing
- Antibiotic resistance
- Agricultural soil
- Digested sludge
- Bioavailable metals
- Bacterial community composition
- Agricultural soil
- Antibiotic resistance
- Bacterial community composition
- Bioavailable metals
- Digested sludg
- ; Metagenome sequencing
Publication and Content Type
- art (subject category)
- ref (subject category)
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Rutgersson, Caro ...
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Ebmeyer, Stefan, ...
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Lassen, Simon Bo
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Karkman, Antti
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Fick, Jerker
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Kristiansson, Er ...
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Brandt, Kristian ...
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Flach, Carl-Fred ...
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Larsson, D. G. J ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Infectious Medic ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Environmental Sc ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Microbiology in ...
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Environment Inte ...
- By the university
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Chalmers University of Technology
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University of Gothenburg
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Umeå University