Publikationsdatenbank

Spread and persistence of VIM-1 Carbapenemase-producing Enterobacteriaceae in three German swine farms in 2011 and 2012 (2016)

Art

Zeitschriftenartikel / wissenschaftlicher Beitrag

Autoren

Fischer, Jennie

San José, Mateo

Schmoger, Silvia

Baumann, Beatrice

Irrgang, Alexandra

Helmuth, Reiner

Guerra, Beatriz

Roschanski, Nicole (WE 10)

Friese, Anika (WE 10)

Rösler, Uwe (WE 10)

Quelle

Veterinary Microbiology; 200 — S. 118–123

ISSN: 0378-1135

Sprache

Englisch

Verweise

URL (Volltext): http://www.sciencedirect.com/science/article/pii/S037811351630116X

DOI: 10.1016/j.vetmic.2016.04.026

Pubmed: 27234907

Kontakt

Institut für Tier- und Umwelthygiene

Robert-von-Ostertag-Str. 7-13
Gebäude 35
14169 Berlin
+49 30 838 51845
tierhygiene@vetmed.fu-berlin.de

Abstract / Zusammenfassung

The occurrence of carbapenemase-producing Enterobacteriaceae in livestock is considered as a threat for public health. In Germany, VIM-1-producing Escherichia (E.) coli sequence type (ST) 88 and Salmonella Infantis isolates harbouring blaVIM-1IncHI2 plasmids have been isolated from swine and poultry farms. A retrospective study was performed to determine if there was a broader distribution of VIM-1-positive isolates in any of the carbapenemase-positive swine farms. Selective incubation (carbapenem-containing broth) of 249 conserved cultures collected in three farms (2011-2012), allowed the detection of 40 blaVIM-1-positive isolates. Apart from the already known non-motile Salmonella Infantis isolate R25 (farm S1) and R27 (S2), a third isolate was recovered from farm S3. For E. coli, additional to isolates R29 and R178 (S2), 35 new isolates were identified in the same farm during all the sampling periods (three dates, 2011) and in samples from different animals, farm environment, manure and flies. The newly identified E. coli and Salmonella isolates showed similar genetic and phenotypic characteristics (XbaI-PFGE profiles, antimicrobial resistance patterns, plasmid content, phylogroups, antigenic formula) to those in the previously described strains, suggesting microevolution within the clonal lines within one fattening period. The study shows that persistence of carbapenemase-producing clonal lines in livestock farms is possible, and underlines the need for harmonised monitoring and surveillance studies to follow up the occurrence of such bacteria in European livestock.