Spread of plasmid-encoded NDM-1 and GES-5 carbapenemases among extensively drug-resistant and pandrug-resistant clinical Enterobacteriaceae in Durban, South Africa T Pedersen, JO Sekyere, U Govinden, K Moodley, A Sivertsen, ... Antimicrobial agents and chemotherapy 62 (5), 10.1128/aac. 02178-17, 2018 | 82 | 2018 |
A Silenced vanA Gene Cluster on a Transferable Plasmid Caused an Outbreak of Vancomycin-Variable Enterococci A Sivertsen, T Pedersen, KW Larssen, K Bergh, TG Rønning, A Radtke, ... Antimicrobial agents and chemotherapy 60 (7), 4119-4127, 2016 | 71 | 2016 |
A multicentre hospital outbreak in Sweden caused by introduction of a vanB2 transposon into a stably maintained pRUM-plasmid in an Enterococcus faecium ST192 clone A Sivertsen, H Billström, Ö Melefors, BO Liljequist, KT Wisell, M Ullberg, ... PLoS One 9 (8), e103274, 2014 | 47 | 2014 |
Role of horizontal gene transfer in the development of multidrug resistance in Haemophilus influenzae K Hegstad, H Mylvaganam, J Janice, E Josefsen, A Sivertsen, D Skaare Msphere 5 (1), 10.1128/msphere. 00969-19, 2020 | 38 | 2020 |
Escherichia marmotae—a human pathogen easily misidentified as Escherichia coli A Sivertsen, R Dyrhovden, MG Tellevik, TS Bruvold, E Nybakken, ... Microbiology Spectrum 10 (2), e02035-21, 2022 | 27 | 2022 |
Streptococcus dysgalactiae bloodstream infections, Norway, 1999–2021 O Oppegaard, M Glambek, DH Skutlaberg, S Skrede, A Sivertsen, ... Emerging Infectious Diseases 29 (2), 260, 2023 | 24 | 2023 |
Alternative vanHAX promoters and increased vanA-plasmid copy number resurrect silenced glycopeptide resistance in Enterococcus faecium TM Wagner, J Janice, A Sivertsen, I Sjögren, A Sundsfjord, K Hegstad Journal of Antimicrobial Chemotherapy 76 (4), 876-882, 2021 | 16 | 2021 |
Genomic epidemiology of Streptococcus dysgalactiae subsp. equisimilis strains causing invasive disease in Norway during 2018 A Kaci, CM Jonassen, S Skrede, A Sivertsen, ... Frontiers in microbiology 14, 1171913, 2023 | 10 | 2023 |
The Enterococcus cassette chromosome, a genomic variation enabler in Enterococci A Sivertsen, J Janice, T Pedersen, TM Wagner, J Hegstad, K Hegstad Msphere 3 (6), 10.1128/msphere. 00402-18, 2018 | 8 | 2018 |
Cryptosporidium species and subtypes in Norway: predominance of C. parvum and emergence of C. mortiferum JH Tipu, A Sivertsen, JE Afset, L Sandven, H Brekke, HM Lund, LS Elburg, ... Emerging Microbes & Infections 13 (1), 2412624, 2024 | 2 | 2024 |
Broad-range amplification and sequencing of the rpoB gene: a novel assay for bacterial identification in clinical microbiology JM Bivand, R Dyrhovden, A Sivertsen, MG Tellevik, R Patel, Ø Kommedal Journal of Clinical Microbiology, e00266-24, 2024 | 1 | 2024 |
Vancomycin variable resistance may occur through creation of a novel promoter after deletions by polymerase slippage A Sivertsen, J Janice, I Sjögren, K Hegstad 27th European Congress of Clinical Microbiology and Infectious Diseases, 2017 | 1 | 2017 |
Longitudinal investigation of a single variant SARS-CoV-2-outbreak in the immunologically naïve population of Ulvik, Norway N Mortensen, KA Wensaas, U Solem, A Sivertsen, HMS Grewal, ... BMC Infectious Diseases 24 (1), 1161, 2024 | | 2024 |
Comprehensive contact tracing during an outbreak of alpha-variant SARS-CoV-2 in a rural community reveals less viral genomic diversity and higher household secondary attack … A Sivertsen, N Mortensen, U Solem, E Valen, MF Bullita, KA Wensaas, ... Msphere 9 (8), e00114-24, 2024 | | 2024 |
Antimicrobial resistance patterns in Streptococcus dysgalactiae in a One Health perspective M Glambek, S Skrede, A Sivertsen, BR Kittang, A Kaci, CM Jonassen, ... Frontiers in Microbiology 15, 1423762, 2024 | | 2024 |
Multiresistente enterokokker og mobile genetiske elementer A Sivertsen Tidsskrift for Den norske legeforening, 2017 | | 2017 |
Mobile genetic elements causing plasticity in E. faecium A Sivertsen UiT The Arctic University of Norway, 2017 | | 2017 |
A Multicentre Hospital Outbreak in Sweden Caused by Introduction of a vanB2 A Sivertsen, H Billström, O Melefors, BO Liljequist, KT Wisell | | 2014 |
Possible origin of a vanB-type Enterococcus faecium causing a multicentre outbreak in Sweden A Sivertsen Universitetet i Tromsø, 2013 | | 2013 |
PREOPERATIV URINPRØVETAGNING A Sivertsen Mikrobiologisk diagnostikk ved urinveisinfeksjon, 106, 0 | | |