Vancomycin resistant enterococci (VRE) in Swedish sewage sludge

<p>Abstract</p> <p>Background</p> <p>Antimicrobial resistance is a serious threat in veterinary medicine and human healthcare. Resistance genes can spread from animals, through the food-chain, and back to humans. Sewage sludge may act as the link back from humans to ani...

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Main Authors: Aspan Anna, Albihn Ann, Rehbinder Verena, Sahlström Leena, Bengtsson Björn
Format: Article
Language:English
Published: BMC 2009-05-01
Series:Acta Veterinaria Scandinavica
Online Access:http://www.actavetscand.com/content/51/1/24
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author Aspan Anna
Albihn Ann
Rehbinder Verena
Sahlström Leena
Bengtsson Björn
author_facet Aspan Anna
Albihn Ann
Rehbinder Verena
Sahlström Leena
Bengtsson Björn
author_sort Aspan Anna
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>Antimicrobial resistance is a serious threat in veterinary medicine and human healthcare. Resistance genes can spread from animals, through the food-chain, and back to humans. Sewage sludge may act as the link back from humans to animals. The main aims of this study were to investigate the occurrence of vancomycin resistant enterococci (VRE) in treated sewage sludge, in a Swedish waste water treatment plant (WWTP), and to compare VRE isolates from sewage sludge with isolates from humans and chickens.</p> <p>Methods</p> <p>During a four month long study, sewage sludge was collected weekly and cultured for VRE. The VRE isolates from sewage sludge were analysed and compared to each other and to human and chicken VRE isolates by biochemical typing (PhenePlate), PFGE and antibiograms.</p> <p>Results</p> <p>Biochemical typing (PhenePlate-FS) and pulsed field gel electrophoresis (PFGE) revealed prevalence of specific VRE strains in sewage sludge for up to 16 weeks. No connection was found between the VRE strains isolated from sludge, chickens and humans, indicating that human VRE did not originate from Swedish chicken.</p> <p>Conclusion</p> <p>This study demonstrated widespread occurrence of VRE in sewage sludge in the studied WWTP. This implies a risk of antimicrobial resistance being spread to new farms and to the society via the environment if the sewage sludge is used on arable land.</p>
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spelling doaj.art-ff114d1c6c744e1f9c7b28818d0d126c2022-12-22T02:59:09ZengBMCActa Veterinaria Scandinavica1751-01472009-05-015112410.1186/1751-0147-51-24Vancomycin resistant enterococci (VRE) in Swedish sewage sludgeAspan AnnaAlbihn AnnRehbinder VerenaSahlström LeenaBengtsson Björn<p>Abstract</p> <p>Background</p> <p>Antimicrobial resistance is a serious threat in veterinary medicine and human healthcare. Resistance genes can spread from animals, through the food-chain, and back to humans. Sewage sludge may act as the link back from humans to animals. The main aims of this study were to investigate the occurrence of vancomycin resistant enterococci (VRE) in treated sewage sludge, in a Swedish waste water treatment plant (WWTP), and to compare VRE isolates from sewage sludge with isolates from humans and chickens.</p> <p>Methods</p> <p>During a four month long study, sewage sludge was collected weekly and cultured for VRE. The VRE isolates from sewage sludge were analysed and compared to each other and to human and chicken VRE isolates by biochemical typing (PhenePlate), PFGE and antibiograms.</p> <p>Results</p> <p>Biochemical typing (PhenePlate-FS) and pulsed field gel electrophoresis (PFGE) revealed prevalence of specific VRE strains in sewage sludge for up to 16 weeks. No connection was found between the VRE strains isolated from sludge, chickens and humans, indicating that human VRE did not originate from Swedish chicken.</p> <p>Conclusion</p> <p>This study demonstrated widespread occurrence of VRE in sewage sludge in the studied WWTP. This implies a risk of antimicrobial resistance being spread to new farms and to the society via the environment if the sewage sludge is used on arable land.</p>http://www.actavetscand.com/content/51/1/24
spellingShingle Aspan Anna
Albihn Ann
Rehbinder Verena
Sahlström Leena
Bengtsson Björn
Vancomycin resistant enterococci (VRE) in Swedish sewage sludge
Acta Veterinaria Scandinavica
title Vancomycin resistant enterococci (VRE) in Swedish sewage sludge
title_full Vancomycin resistant enterococci (VRE) in Swedish sewage sludge
title_fullStr Vancomycin resistant enterococci (VRE) in Swedish sewage sludge
title_full_unstemmed Vancomycin resistant enterococci (VRE) in Swedish sewage sludge
title_short Vancomycin resistant enterococci (VRE) in Swedish sewage sludge
title_sort vancomycin resistant enterococci vre in swedish sewage sludge
url http://www.actavetscand.com/content/51/1/24
work_keys_str_mv AT aspananna vancomycinresistantenterococcivreinswedishsewagesludge
AT albihnann vancomycinresistantenterococcivreinswedishsewagesludge
AT rehbinderverena vancomycinresistantenterococcivreinswedishsewagesludge
AT sahlstromleena vancomycinresistantenterococcivreinswedishsewagesludge
AT bengtssonbjorn vancomycinresistantenterococcivreinswedishsewagesludge