Evaluation of the Amplex eazyplex® SuperBug Acineto test for detection of acquired OXA and NDM carbapenemases in Acinetobacter spp. by Bjørg C. Haldorsen, Jessin Janice, Ørjan Samuelsen

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A long-term low-frequency hospital outbreak of KPC-producing Klebsiella pneumoniae involving Intergenus plasmid diffusion and a persisting environmental reservoir. by Ståle Tofteland, Umaer Naseer, Jan Helge Lislevand, Arnfinn Sundsfjord, Orjan Samuelsen

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The fight to keep resistance at bay, epidemiology of carbapenemase producing organisms (CPOs), vancomycin resistant enterococci (VRE) and methicillin resistant Staphylococcus aureu... by Petter Elstrøm, Elisabeth Astrup, Kristin Hegstad, Ørjan Samuelsen, Hege Enger, Oliver Kacelnik

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OXA-48-Mediated Ceftazidime-Avibactam Resistance Is Associated with Evolutionary Trade-Offs by Christopher Fröhlich, Vidar Sørum, Ane Molden Thomassen, Pål Jarle Johnsen, Hanna-Kirsti S. Leiros, Ørjan Samuelsen

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CRISPR-cas subtype I-Fb in Acinetobacter baumannii: evolution and utilization for strain subtyping. by Nabil Karah, Ørjan Samuelsen, Raffaele Zarrilli, Jason W Sahl, Sun Nyunt Wai, Bernt Eric Uhlin

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Evolutionary Instability of Collateral Susceptibility Networks in Ciprofloxacin-Resistant Clinical Escherichia coli Strains by Vidar Sørum, Emma L. Øynes, Anna S. Møller, Klaus Harms, Ørjan Samuelsen, Nicole L. Podnecky, Pål J. Johnsen

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Phenotypic and genotypic characterisation of thymine auxotrophy in Escherichia coli isolated from a patient with recurrent bloodstream infection. by Aleksandra Jakovljev, Jan Egil Afset, Kjersti Haugum, Harald Otto Steinum, Torunn Gresdal Rønning, Ørjan Samuelsen, Christina Gabrielsen Ås

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Intracellular Transposition and Capture of Mobile Genetic Elements following Intercellular Conjugation of Multidrug Resistance Conjugative Plasmids from Clinical Enterobacteriaceae... by Supathep Tansirichaiya, Richard N. Goodman, Xinyu Guo, Issra Bulgasim, Ørjan Samuelsen, Mohammed Al-Haroni, Adam P. Roberts

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Structural insights into the enhanced carbapenemase efficiency of OXA‐655 compared to OXA‐10 by Hanna‐Kirsti S. Leiros, Ane Molden Thomassen, Ørjan Samuelsen, Carl‐Fredrik Flach, Stathis D. Kotsakis, D.G. Joakim Larsson

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A trade-off between the fitness cost of functional integrases and long-term stability of integrons. by Irina Starikova, Klaus Harms, Pål Haugen, Tracy T M Lunde, Raul Primicerio, Ørjan Samuelsen, Kaare M Nielsen, Pål J Johnsen

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Detection of Klebsiella pneumoniae human gut carriage: a comparison of culture, qPCR, and whole metagenomic sequencing methods by Kenneth Lindstedt, Dorota Buczek, Torunn Pedersen, Erik Hjerde, Niclas Raffelsberger, Yutaka Suzuki, Sylvain Brisse, Kathryn Holt, Ørjan Samuelsen, Arnfinn Sundsfjord

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Horizontal Plasmid Transfer among <named-content content-type="genus-species">Klebsiella pneumoniae</named-content> Isolates Is the Key Factor for Dissemination of Extended-Spectru... by Torunn Pedersen, Marit Gjerde Tellevik, Øyvind Kommedal, Paul Christoffer Lindemann, Sabrina John Moyo, Jessin Janice, Bjørn Blomberg, Ørjan Samuelsen, Nina Langeland

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Horizontal Plasmid Transfer among Klebsiella pneumoniae Isolates Is the Key Factor for Dissemination of Extended-Spectrum β-Lactamases among Children in Tanzania by Torunn Pedersen, Marit Gjerde Tellevik, Øyvind Kommedal, Paul Christoffer Lindemann, Sabrina John Moyo, Jessin Janice, Bjørn Blomberg, Ørjan Samuelsen, Nina Langeland

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Correction: Impact of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in children in a low resistance prevalence setting. by Per Kristian Knudsen, Petter Brandtzaeg, E Arne Høiby, Jon Bohlin, Ørjan Samuelsen, Martin Steinbakk, Tore G Abrahamsen, Fredrik Müller, Karianne Wiger Gammelsrud

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Impact of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in children in a low resistance prevalence setting. by Per Kristian Knudsen, Petter Brandtzaeg, E Arne Høiby, Jon Bohlin, Ørjan Samuelsen, Martin Steinbakk, Tore G Abrahamsen, Fredrik Müller, Karianne Wiger Gammelsrud

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The chemotherapeutic drug methotrexate selects for antibiotic resistance by Jónína S. Guðmundsdóttir, Elizabeth G.A. Fredheim, Catharina I.M. Koumans, Joachim Hegstad, Po-Cheng Tang, Dan I. Andersson, Ørjan Samuelsen, Pål J. Johnsen

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Conserved collateral antibiotic susceptibility networks in diverse clinical strains of Escherichia coli by Nicole L. Podnecky, Elizabeth G. A. Fredheim, Julia Kloos, Vidar Sørum, Raul Primicerio, Adam P. Roberts, Daniel E. Rozen, Ørjan Samuelsen, Pål J. Johnsen

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Molecular and epidemiological characterization of carbapenemase-producing Enterobacteriaceae in Norway, 2007 to 2014. by Ørjan Samuelsen, Søren Overballe-Petersen, Jørgen Vildershøj Bjørnholt, Sylvain Brisse, Michel Doumith, Neil Woodford, Katie L Hopkins, Bettina Aasnæs, Bjørg Haldorsen, Arnfinn Sundsfjord, Norwegian Study Group on CPE

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Cryptic β-Lactamase Evolution Is Driven by Low β-Lactam Concentrations by Christopher Fröhlich, João A. Gama, Klaus Harms, Viivi H. A. Hirvonen, Bjarte A. Lund, Marc W. van der Kamp, Pål J. Johnsen, Ørjan Samuelsen, Hanna-Kirsti S. Leiros

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Gastrointestinal carriage of Klebsiella pneumoniae in a general adult population: a cross-sectional study of risk factors and bacterial genomic diversity by Niclas Raffelsberger, Marit Andrea Klokkhammer Hetland, Kristian Svendsen, Lars Småbrekke, Iren Høyland Löhr, Lotte Leonore Eivindsdatter Andreassen, Sylvain Brisse, Kathryn E. Holt, Arnfinn Sundsfjord, Ørjan Samuelsen, Kirsten Gravningen

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