Simonsen GS - Search Results

1

Characterization of sulphonamide-resistant Escherichia coli using comparison of sul2 gene sequences and multilocus sequence typing.

Trobos M, Christensen H, Sunde M, Nordentoft S, Agersø Y, Simonsen GS, Hammerum AM, Olsen JE. Trobos M, et al. Among authors: simonsen gs. Microbiology (Reading). 2009 Mar;155(Pt 3):831-836. doi: 10.1099/mic.0.024190-0. Microbiology (Reading). 2009. PMID: 19246754 Free article.

2

Continuing high prevalence of VanA-type vancomycin-resistant enterococci on Norwegian poultry farms three years after avoparcin was banned.

Borgen K, Simonsen GS, Sundsfjord A, Wasteson Y, Olsvik O, Kruse H. Borgen K, et al. Among authors: simonsen gs. J Appl Microbiol. 2000 Sep;89(3):478-85. doi: 10.1046/j.1365-2672.2000.01137.x. J Appl Microbiol. 2000. PMID: 11021580

3

Molecular epidemiology of macrolide-resistant isolates of Streptococcus pneumoniae collected from blood and respiratory specimens in Norway.

Littauer P, Sangvik M, Caugant DA, Høiby EA, Simonsen GS, Sundsfjord A; Norwegian Macrolide Study Group. Littauer P, et al. Among authors: simonsen gs. J Clin Microbiol. 2005 May;43(5):2125-32. doi: 10.1128/JCM.43.5.2125-2132.2005. J Clin Microbiol. 2005. PMID: 15872231 Free PMC article.

4

Prevalence, persistence, and molecular characterization of glycopeptide-resistant enterococci in Norwegian poultry and poultry farmers 3 to 8 years after the ban on avoparcin.

Sørum M, Johnsen PJ, Aasnes B, Rosvoll T, Kruse H, Sundsfjord A, Simonsen GS. Sørum M, et al. Among authors: simonsen gs. Appl Environ Microbiol. 2006 Jan;72(1):516-21. doi: 10.1128/AEM.72.1.516-521.2006. Appl Environ Microbiol. 2006. PMID: 16391086 Free PMC article.

5

Macrolide-resistant Streptococcus pyogenes in Norway: population structure and resistance determinants.

Littauer P, Caugant DA, Sangvik M, Høiby EA, Sundsfjord A, Simonsen GS. Littauer P, et al. Among authors: simonsen gs. Antimicrob Agents Chemother. 2006 May;50(5):1896-9. doi: 10.1128/AAC.50.5.1896-1899.2006. Antimicrob Agents Chemother. 2006. PMID: 16641473 Free PMC article.

6

Effects of phenotype and genotype on methods for detection of extended-spectrum-beta-lactamase-producing clinical isolates of Escherichia coli and Klebsiella pneumoniae in Norway.

Tofteland S, Haldorsen B, Dahl KH, Simonsen GS, Steinbakk M, Walsh TR, Sundsfjord A; Norwegian ESBL Study Group. Tofteland S, et al. Among authors: simonsen gs. J Clin Microbiol. 2007 Jan;45(1):199-205. doi: 10.1128/JCM.01319-06. Epub 2006 Nov 1. J Clin Microbiol. 2007. PMID: 17079502 Free PMC article.

7

The AmpC phenotype in Norwegian clinical isolates of Escherichia coli is associated with an acquired ISEcp1-like ampC element or hyperproduction of the endogenous AmpC.

Haldorsen B, Aasnaes B, Dahl KH, Hanssen AM, Simonsen GS, Walsh TR, Sundsfjord A, Lundblad EW. Haldorsen B, et al. Among authors: simonsen gs. J Antimicrob Chemother. 2008 Oct;62(4):694-702. doi: 10.1093/jac/dkn257. Epub 2008 Jun 26. J Antimicrob Chemother. 2008. PMID: 18583329

8

Sporadic occurrence of CMY-2-producing multidrug-resistant Escherichia coli of ST-complexes 38 and 448, and ST131 in Norway.

Naseer U, Haldorsen B, Simonsen GS, Sundsfjord A. Naseer U, et al. Among authors: simonsen gs. Clin Microbiol Infect. 2010 Feb;16(2):171-8. doi: 10.1111/j.1469-0691.2009.02861.x. Epub 2009 Jun 22. Clin Microbiol Infect. 2010. PMID: 19548922 Free article.

9

Insight into antimicrobial susceptibility and population structure of contemporary human Enterococcus faecalis isolates from Europe.

Kuch A, Willems RJ, Werner G, Coque TM, Hammerum AM, Sundsfjord A, Klare I, Ruiz-Garbajosa P, Simonsen GS, van Luit-Asbroek M, Hryniewicz W, Sadowy E. Kuch A, et al. Among authors: simonsen gs. J Antimicrob Chemother. 2012 Mar;67(3):551-8. doi: 10.1093/jac/dkr544. Epub 2011 Dec 29. J Antimicrob Chemother. 2012. PMID: 22207599

10

Multilocus sequence typing of genital Chlamydia trachomatis in Norway reveals multiple new sequence types and a large genetic diversity.

Gravningen K, Christerson L, Furberg AS, Simonsen GS, Ödman K, Ståhlsten A, Herrmann B. Gravningen K, et al. Among authors: simonsen gs. PLoS One. 2012;7(3):e34452. doi: 10.1371/journal.pone.0034452. Epub 2012 Mar 28. PLoS One. 2012. PMID: 22470572 Free PMC article.

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