| Release and persistence of extracellular DNA in the environment KM Nielsen, PJ Johnsen, D Bensasson, D Daffonchio Environmental biosafety research 6 (1-2), 37-53, 2007 | 637 | 2007 |
| Gene transfer potential of outer membrane vesicles of Acinetobacter baylyi and effects of stress on vesiculation S Fulsundar, K Harms, GE Flaten, PJ Johnsen, BA Chopade, KM Nielsen Applied and environmental microbiology 80 (11), 3469-3483, 2014 | 248 | 2014 |
| Natural transformation facilitates transfer of transposons, integrons and gene cassettes between bacterial species S Domingues, K Harms, WF Fricke, PJ Johnsen, GJ Da Silva, KM Nielsen Public Library of Science 8 (8), e1002837, 2012 | 217 | 2012 |
| Bacterial natural transformation by highly fragmented and damaged DNA S Overballe-Petersen, K Harms, LAA Orlando, JVM Mayar, S Rasmussen, ... Proceedings of the National Academy of Sciences 110 (49), 19860-19865, 2013 | 194 | 2013 |
| Factors affecting the reversal of antimicrobial-drug resistance PJ Johnsen, JP Townsend, T Bøhn, GS Simonsen, A Sundsfjord, ... The Lancet infectious diseases 9 (6), 357-364, 2009 | 175 | 2009 |
| PCR-based plasmid typing in Enterococcus faecium strains reveals widely distributed pRE25-, pRUM-, pIP501- and pHTβ-related replicons associated with … TCS Rosvoll, T Pedersen, H Sletvold, PJ Johnsen, JE Sollid, ... FEMS Immunology & Medical Microbiology 58 (2), 254-268, 2010 | 132 | 2010 |
| Prevalence, persistence, and molecular characterization of glycopeptide-resistant enterococci in Norwegian poultry and poultry farmers 3 to 8 years after the ban on avoparcin M Sørum, PJ Johnsen, B Aasnes, T Rosvoll, H Kruse, A Sundsfjord, ... Applied and environmental microbiology 72 (1), 516-521, 2006 | 109 | 2006 |
| Fitness costs of various mobile genetic elements in Enterococcus faecium and Enterococcus faecalis I Starikova, M Al-Haroni, G Werner, AP Roberts, V Sørum, KM Nielsen, ... Journal of Antimicrobial Chemotherapy 68 (12), 2755-2765, 2013 | 98 | 2013 |
| Stability, persistence, and evolution of plasmid-encoded VanA glycopeptide resistance in enterococci in the absence of antibiotic selection in vitro and in gnotobiotic mice PJ Johnsen, GS Simonsen, Ø Olsvik, T Midtvedt, A Sundsfjord Microbial Drug Resistance 8 (3), 161-170, 2002 | 94 | 2002 |
| Improved burns therapy: Liposomes‐in‐hydrogel delivery system for mupirocin J Hurler, OA Berg, M Skar, AH Conradi, PJ Johnsen, N Škalko‐Basnet Journal of Pharmaceutical Sciences 101 (10), 3906-3915, 2012 | 89 | 2012 |
| Episodic Selection and the Maintenance of Competence and Natural Transformation in Bacillus subtilis PJ Johnsen, D Dubnau, BR Levin Genetics 181 (4), 1521-1533, 2009 | 88 | 2009 |
| Persistence of animal and human glycopeptide-resistant enterococci on two Norwegian poultry farms formerly exposed to avoparcin is associated with a widespread plasmid-mediated … PJ Johnsen, JI Østerhus, H Sletvold, M Sørum, H Kruse, K Nielsen, ... Applied and environmental microbiology 71 (1), 159-168, 2005 | 87 | 2005 |
| Transfer of plasmid and chromosomal glycopeptide resistance determinants occurs more readily in the digestive tract of mice than in vitro and exconjugants can persist stably … KH Dahl, DDG Mater, MJ Flores, PJ Johnsen, T Midtvedt, G Corthier, ... Journal of antimicrobial chemotherapy 59 (3), 478-486, 2007 | 81 | 2007 |
| Conserved collateral antibiotic susceptibility networks in diverse clinical strains of Escherichia coli NL Podnecky, EGA Fredheim, J Kloos, V Sørum, R Primicerio, AP Roberts, ... Nature Communications 9 (1), 3673, 2018 | 80 | 2018 |
| Tn1546 is part of a larger plasmid-encoded genetic unit horizontally disseminated among clonal Enterococcus faecium lineages H Sletvold, PJ Johnsen, OG Wikmark, GS Simonsen, A Sundsfjord, ... Journal of antimicrobial chemotherapy 65 (9), 1894-1906, 2010 | 75 | 2010 |
| Retrospective evidence for a biological cost of vancomycin resistance determinants in the absence of glycopeptide selective pressures PJ Johnsen, JP Townsend, T Bøhn, GS Simonsen, A Sundsfjord, ... Journal of Antimicrobial Chemotherapy 66 (3), 608-610, 2011 | 72 | 2011 |
| Complete sequence of Enterococcus faecium pVEF3 and the detection of an ω-ε-ζ toxin–antitoxin module and an ABC transporter H Sletvold, PJ Johnsen, I Hamre, GS Simonsen, A Sundsfjord, ... Plasmid 60 (1), 75-85, 2008 | 69 | 2008 |
| Comparative DNA Analysis of Two vanA Plasmids from Enterococcus faecium Strains Isolated from Poultry and a Poultry Farmer in Norway H Sletvold, PJ Johnsen, GS Simonsen, B Aasnaes, A Sundsfjord, ... Antimicrobial agents and chemotherapy 51 (2), 736-739, 2007 | 67 | 2007 |
| A trade-off between the fitness cost of functional integrases and long-term stability of integrons I Starikova, K Harms, P Haugen, TTM Lunde, R Primicerio, Ø Samuelsen, ... PLoS pathogens 8 (11), e1003043, 2012 | 64 | 2012 |
| OXA-48-mediated ceftazidime-avibactam resistance is associated with evolutionary trade-offs C Fröhlich, V Sørum, AM Thomassen, PJ Johnsen, HKS Leiros, ... Msphere 4 (2), 10.1128/msphere. 00024-19, 2019 | 60 | 2019 |
Raul PrimicerioProfessor of Ecology, Epidemiology and Evolutionary biology, University of Tromsø在 uit.no 的电子邮件经过验证
