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Persistence of animal and human glycopeptide-resistant enterococci on two Norwegian poultry farms formerly exposed to avoparcin is associated with a widespread plasmid-mediated vanA element within a polyclonal enterococcus faecium population.
Johnsen PJ, Østerhus JI, Sletvold H, Sørum M, Kruse H, Nielsen K, Simonsen GS, Sundsfjord A. Johnsen PJ, et al. Appl Environ Microbiol. 2005 Jan;71(1):159-68. doi: 10.1128/AEM.71.1.159-168.2005. Appl Environ Microbiol. 2005. PMID: 15640183 Free PMC article.
Release and persistence of extracellular DNA in the environment.
Nielsen KM, Johnsen PJ, Bensasson D, Daffonchio D. Nielsen KM, et al. Environ Biosafety Res. 2007 Jan-Jun;6(1-2):37-53. doi: 10.1051/ebr:2007031. Epub 2007 Sep 12. Environ Biosafety Res. 2007. PMID: 17961479 Free article. Review.
Factors affecting the reversal of antimicrobial-drug resistance.
Johnsen PJ, Townsend JP, Bøhn T, Simonsen GS, Sundsfjord A, Nielsen KM. Johnsen PJ, et al. Among authors: nielsen km. Lancet Infect Dis. 2009 Jun;9(6):357-64. doi: 10.1016/S1473-3099(09)70105-7. Lancet Infect Dis. 2009. PMID: 19467475 Review.
PCR-based plasmid typing in Enterococcus faecium strains reveals widely distributed pRE25-, pRUM-, pIP501- and pHTbeta-related replicons associated with glycopeptide resistance and stabilizing toxin-antitoxin systems.
Rosvoll TC, Pedersen T, Sletvold H, Johnsen PJ, Sollid JE, Simonsen GS, Jensen LB, Nielsen KM, Sundsfjord A. Rosvoll TC, et al. Among authors: nielsen km. FEMS Immunol Med Microbiol. 2010 Mar;58(2):254-68. doi: 10.1111/j.1574-695X.2009.00633.x. Epub 2009 Nov 17. FEMS Immunol Med Microbiol. 2010. PMID: 20015231 Free article.
143 results