Arnfinn Sundsfjord
Professor of Clinical Microbiology
Theresa Wagner,
Benjamin P Howden,
Arnfinn Sundsfjord,
Kristin Hegstad
:
Transiently silent acquired antimicrobial resistance: an emerging challenge in susceptibility testing
Caillan Crowe-McAuliffe,
Victoriia Murina,
Kathryn Jane Turnbull,
Susanne Huch,
Marje Kasari,
Hiraku Takada
et al.:
Structural basis for PoxtA-mediated resistance to phenicol and oxazolidinone antibiotics
Kirsten Midttun Gravningen,
Oliver Kacelnik,
Egil Lingaas,
Torunn Pedersen,
Bjørn Gunnar Iversen,
Anne Mette Asfeldt
et al.:
Pseudomonas aeruginosa countrywide outbreak in hospitals linked to pre-moistened non-sterile washcloths, Norway, October 2021 to April 2022
Kenneth Lindstedt,
Dorota Julia Buczek,
Torunn Annie Pedersen,
Erik Hjerde,
Niclas Peter Raffelsberger,
Yutaka Suzuki
et al.:
Detection of Klebsiella pneumoniae human gut carriage: a comparison of culture, qPCR, and whole metagenomic sequencing methods
Faheema E. Choonara,
Bjørg Haldorsen,
Isaac Ndhlovu,
Osborne Saulosi,
Tarsizio Maida,
Fanuel Lampiao
et al.:
Antimicrobial susceptibility profiles of clinically important bacterial pathogens at the Kamuzu Central Hospital in Lilongwe, Malawi
Faheema Ebrahim Choonara,
Bjørg Haldorsen,
Jessin Janice,
Joshua Mbanga,
Isaac Ndhlovu,
Osborne Saulosi
et al.:
Molecular Epidemiological Characterisation of ESBL- and Plasmid-Mediated AmpC-Producing Escherichia coli and Klebsiella pneumoniae at Kamuzu Central Hospital, Lilongwe, Malawi
Mushtaq T.S. Al-Rubaye,
Jessin Janice,
Jørgen Vildershøj Bjørnholt,
Aleksandra Jakovljev,
Maria Elisabeth Hultström,
Arnfinn Sundsfjord
et al.:
Novel genomic islands and a new vanD-subtype in the first sporadic VanD-type vancomycin resistant enterococci in Norway
Jessin Janice,
Nicholas Agyepong,
Alex Owusu-Ofori,
Usha Govinden,
Sabiha Essack,
Ørjan Samuelsen
et al.:
Carbapenem resistance determinants acquired through novel chromosomal integrations in extensively drug-resistant pseudomonas aeruginosa
Niclas Peter Raffelsberger,
Marit Andrea Klokkhammer Hetland,
Kristian Svendsen,
Lars Småbrekke,
Iren Høyland Löhr,
Lotte Andreassen
et al.:
Gastrointestinal carriage of Klebsiella pneumoniae in a general adult population: a cross-sectional study of risk factors and bacterial genomic diversity
Marit Østlyngen Riibe,
Sveinung Wergeland Sørbye,
Gunnar Skov Simonsen,
Arnfinn Sundsfjord,
Josef Ekgren,
Jan Martin Maltau
:
Risk of cervical intraepithelial neoplasia grade 3 or higher (CIN3+) among women with HPV-test in 1990–1992, a 30-year follow-up study
Abel F.N.D. Phiri,
Akebe Luther King Abia,
Daniel Gyamfi Amoako,
Rajab Mkakosya,
Arnfinn Sundsfjord,
Sabiha Essack
et al.:
Burden, antibiotic resistance, and clonality of shigella spp. Implicated in community-acquired acute diarrhoea in Lilongwe, Malawi
Calvina Estalva,
Tomas Zimba,
Sekyere John,
Usha Govinden,
Hafizah Y. Chenia,
Gunnar Skov Simonsen
et al.:
High prevalence of multidrug resistant ESBL- and plasmid mediated AmpC-producing clinical isolates of Escherichia coli at Maputo Central Hospital, Mozambique
Aasmund Fostervold,
Marit Andrea Klokkhammer Hetland,
Ragna-Johanne Bakksjø,
Eva Bernhoff,
Kathryn E. Holt,
Ørjan Samuelsen
et al.:
A nationwide genomic study of clinical Klebsiella pneumoniae in
Norway 2001–15: introduction and spread of ESBLs facilitated by
clonal groups CG15 and CG307
Fredrik Håkonsholm,
Marit Andrea Klokkhammer Hetland,
Cecilie Smith Svanevik,
Arnfinn Sundsfjord,
Bjørn Tore Lunestad,
Nachiket Marathe
:
Antibiotic sensitivity screening of Klebsiella spp. and Raoultella spp. isolated from marine bivalve molluscs reveal presence of CTX-M-producing K. pneumoniae
Theresa Wagner,
Jessin Janice,
Audun Sivertsen,
Ingegerd Sjögren,
Arnfinn Sundsfjord,
Kristin Hegstad
:
Alternative vanHAX promoters and increased vanA-plasmid copy number resurrect silenced glycopeptide resistance in Enterococcus faecium
Veronika Vorobieva,
Anne-Sofie Furberg,
Hans-Christian Slotved,
Tatiana Bazhukova,
Bjørg Haldorsen,
Dominique A Caugant
et al.:
Epidemiological and molecular characterization of Streptococcus pneumoniae carriage strains in pre-school children in Arkhangelsk, northern European Russia, prior to the introduction of conjugate pneumococcal vaccines
Sara Lino Faife,
Tomas Zimba,
John Osei Sekyere,
Usha Govinden,
Hafizah Y. Chenia,
Gunnar Skov Simonsen
et al.:
β-lactam and fluoroquinolone resistance in Enterobacteriaceae from imported and locally-produced chicken in Mozambique
Alison Holmes,
Mark Holmes,
Thomas Gottlieb,
Lance B Price,
Arnfinn Sundsfjord
:
End non-essential use of antimicrobials in livestock
The BMJ 2019 DOI
Nicholas Agyepong,
Usha Govinden,
Alex Owusu-Ofori,
Daniel Gyamfi Amoako,
Mushal Allam,
Jessin Janice James Peter
et al.:
Genomic characterization of multidrug-resistant ESBL-producing Klebsiella pneumoniae isolated from a Ghanaian teaching hospital
Ilya Nikolaevich Zykov,
Niels Frimodt-Møller,
Lars Småbrekke,
Arnfinn Sundsfjord,
Ørjan Samuelsen
:
Efficacy of mecillinam against clinical multidrug-resistant Escherichia coli in a murine urinary tract infection model
Torunn Annie Pedersen,
John Osei Sekyere,
Usha Govinden,
Krishnee Moodley,
Audun Sivertsen,
Ørjan Samuelsen
et al.:
Spread of plasmid-encoded NDM-1 and GES-5 carbapenemases among extensively drug-resistant and pandrug-resistant clinical enterobacteriaceae in durban, South Africa
Antimicrobial Agents and Chemotherapy 2018 DOI
Bjørg Haldorsen,
Christian G Giske,
Dennis S Hansen,
Kristjan Orri Helgason,
Gunnar Kahlmeter,
Iren Høyland Löhr
et al.:
Performance of the EUCAST disc diffusion method and two MIC methods in detection of Enterobacteriaceae with reduced susceptibility to meropenem: the NordicAST CPE study.
Lourenco Marcos Chirindze,
Tomas F. Zimba,
John Osei Sekyere,
Usha Govinden,
Hafizah Y. Chenia,
Arnfinn Sundsfjord
et al.:
Faecal colonization of E. coli and Klebsiella spp. producing extended-spectrum beta-lactamases and plasmid-mediated AmpC in Mozambican university students
Ilya Nikolaevich Zykov,
Ørjan Samuelsen,
Lotte Jakobsen,
Lars Småbrekke,
Dan I. Andersson,
Arnfinn Sundsfjord
et al.:
Pharmacokinetics and pharmacodynamics of fosfomycin and its activity against extended-spectrum-lactamase-, plasmid-mediated AmpC-, and carbapenemase-producing escherichia coli in a murine urinary tract infection model
Ørjan Samuelsen,
Søren Overballe-Petersen,
Jørgen Bjørnholt,
Sylvain Brisse,
Michel Doumith,
Neil Woodford
et al.:
Molecular and epidemiological characterization of carbapenemase-producing Enterobacteriaceae in Norway, 2007 to 2014
Silje Jørgensen,
Arne Vasli Søraas,
Lotte Pia Stenfors Arnesen,
Truls Michael Leegaard,
Arnfinn Sundsfjord,
Pål Jenum
:
A comparison of extended spectrum beta-lactamase producing Escherichia coli from clinical, recreational water and wastewater samples associated in time and location
Silje Jørgensen,
Arne Vasli Søraas,
Lotte Pia Stenfors Arnesen,
Truls Michael Leegaard,
Arnfinn Sundsfjord,
Pål Jenum
:
First environmental sample containing plasmid-mediated colistin-resistant ESBL-producing Escherichia coli detected in Norway
Silje Jørgensen,
Arne Vasli Søraas,
Arnfinn Sundsfjord,
Knut Liestøl,
Truls Michael Leegaard,
Pål Jenum
:
Fecal carriage of extended spectrum β-lactamase producing Escherichia coli and Klebsiella pneumoniae after urinary tract
infection - A three year prospective cohort
study
Alison H Holmes,
Luke S P Moore,
Arnfinn Sundsfjord,
Martin Steinbakk,
Sadie Regmi,
Abhilasha Karkey
et al.:
Understanding the mechanisms and drivers of antimicrobial resistance
The Lancet 2016 DOI
A Freitas,
A Tedim,
Maria V. Francia,
Lars B Jensen,
C Novais,
L Peixe
et al.:
Multilevel population genetic analysis of vanA and vanB Enterococcus faecium causing nosocomial outbreaks in 27 countries (1986-2012)
Journal of Antimicrobial Chemotherapy 2016 DOI
Marit Hetland,
Mia Angelique Winkler,
Thomas D Stanton,
Ryan R. Wick,
Margaret MC Lam,
Aasmund Fostervold
et al.:
Klebsiella pneumoniae ecology and antimicrobial resistance in a One Health perspective
2023
Fredrik Håkonsholm,
Arnfinn Sundsfjord,
Cecilie Smith Svanevik,
Bjørn Tore Lunestad,
Nachiket Marathe
:
Klebsiella pneumoniae in the marine setting – a challenge for seafood safety?
2023
Klara Stensvåg,
Arnfinn Sundsfjord,
Pål Jarle Johnsen,
Hanna-Kirsti S. Leiros,
Lise Nordgård
:
CANS - Centre for New Antibacterial Strategies
2022 PROSJEKT
Yngvild Wasteson,
Henning Sørum,
Bjørn-Arne Lindstedt,
Arnfinn Sundsfjord,
Hans Geir Eiken,
Erik Joner
et al.:
CORNELIA – Antimicrobial Resistance (AMR) in One Health Interfaces
2021 PROSJEKT
Bjørg C Haldorsen,
Erika Matuschek,
Jenny Åhman,
Gunnar Kahlmeter,
Arnfinn Sundsfjord,
Kristin Hegstad
:
Performance of the EUCAST disc diffusion method and gradient tests in detection of linezolid susceptibility in Enterococcus faecalis and Enterococcus faecium
2021
Theresa Wagner,
Jessin Janice James Peter,
Marc Schulz,
Susan A. Ballard,
Anders Goncalves da Silva,
Geoffrey W Coombs
et al.:
Australian vancomycin variable E. faecium ST1421 revert to resistance by the use of an alternative vanHAX promoter and increased vanA-plasmid copy number
2021
Yngvild Wasteson,
Henning Sørum,
Bjørn-Arne Lindstedt,
Adriana Dorota Osinska,
Arnfinn Sundsfjord,
Hans Geir Eiken
et al.:
CORNELIA – Antimicrobial Resistance (AMR) in One Health Interfaces
2021
Paul Christoffer Lindemann,
Karianne Wiger Gammelsrud,
Iren Høyland Löhr,
Per Espen Akselsen,
Morten Lindbæk,
Arnfinn Sundsfjord
:
Valg av antibiotika - viktig endring i prøvesvar fra mikrobiologen
Tidsskrift for Den norske legeforening 2019 DOI
Nicholas Agyepong,
Usha Govinden,
Alex Owusu-Ofori,
Mushal Allam,
Arshad Ismail,
Torunn Annie Pedersen
et al.:
Whole-genome sequences of two multidrug-resistant acinetobacter baumannii strains isolated from patients with urinary tract infection in Ghana
Microbiology Resource Announcements (MRA) 2019 DOI
Theresa Wagner,
Jessin Janice,
Audun Sivertsen,
Ingegerd Sjögren,
Arnfinn Sundsfjord,
Kristin Hegstad
:
The bag of tricks of vancomycin variable enterococci:
an alternative constitutive vanHAX-promoter, varying copy numbers and transferable resistance
2019
Mushtaq Talib Shawi Al-Rubaye,
Jessin Janice,
Iren Høyland Löhr,
Arnfinn Sundsfjord,
Kristin Hegstad
:
THE FIRST VANE VANCOMYCIN RESISTANT ENTEROCOCCUS FAECALIS IN NORWAY
2019
Mushtaq Talib Shawi Al-Rubaye,
Jessin Janice,
Jørgen Vildershøj Bjørnholt,
Oliver Kacelink,
Biørg C. Haldorsen,
Randi M. Nygaard
et al.:
POPULATION STRUCTURE OF THE NORWEGIAN VANCOMYCIN RESISTANT AND SENSITIVE ENTEROCOCCI 2010-2015
2019
A Basic,
Erika Matuschek,
O Karatuna,
Bjørg C Haldorsen,
Kristin Hegstad,
Jenny Åhman
et al.:
Evaluation of gradient tests for vancomycin MIC determination in Enterococcus faecalis and Enterococcus faecium. Effect of incubation for 16-20 hours vs. 24 hours
2019
Lyn Middleton,
F Lampiao,
Tomas F. Zimba,
SM Muzime,
Gunnar Skov Simonsen,
Lars Småbrekke
et al.:
Sharing Knowledge Transforming Societies. The Norhed Programme 2013-2020
African Minds 2019
Jessin Janice James Peter,
Joachim Hegstad,
Ellen H. Josefsen,
Arnfinn Sundsfjord,
Kristin Hegstad
:
Increased prevalence of linezolid resistance mong clinical enterococci in Norway mainly due to spread of optrA E. faecalis
2019
Theresa Wagner,
Audun Sivertsen,
Jessin Janice,
Ingegerd Sjögren,
Arnfinn Sundsfjord,
Kristin Hegstad
:
Vancomycin variable resistance may occur through creation of a novel constitutive vanHAX-promoter by illegitimate recombination
2018
Jessin Janice James Peter,
Ellen H. Josefsen,
Arnfinn Sundsfjord,
Kristin Hegstad
:
Increased prevalence of linezolid resistance among clinical enterococci in Norway.
2018
Maria Chiara Di Luca,
Dagfinn Skaare,
Bettina Aasnæs,
Arnfinn Sundsfjord,
Ørjan Samuelsen
:
Identification of a novel IMI carbapenemase variant (IMI-9) in Enterobacter cloacae complex
International Journal of Antimicrobial Agents 2016 DOI
Henning Onarheim,
RAGNVALD LJONES BREKKE,
Rafael Alexander Mo Leiva,
Dorthea Hagen Oma,
Helge Kolstad,
Ørjan Samuelsen
et al.:
H. Onarheim og medarbeidere svarer
Tidsskrift for Den norske legeforening 2016 DOI
Henning Onarheim,
Ragnvald Ljones Brekke,
Rafael Alexander Mo Leiva,
Dorthea Hagen Oma,
Helge Kolstad,
Ørjan Samuelsen
et al.:
En kvinne med sepsis etter brannskade i Pakistan
Tidsskrift for Den norske legeforening 2016 DOI
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Research interests
- Antimicrobials, antimicrobial resistance and evolution
- Klebsiella pneumoniae (Kp) is a key player in the global spread of antimicrobial resistance (AMR). Our studies involve comparative molecular epidemiological studies (whole genome sequencing and metagenomics), pheno- and genotypic associations in pathogenicity and antimicrobial susceptibility (GWAS and machine learning), as well as preclinical effectstudies of bacteriophages in the containment of carriage of and infections caused by multidrug resistant Kp. Kp-studies are funded by the Trond Mohn Foundation ( https://mohnfoundation.no/amr-prosjekter/) and partner institutions.
- Program director, Centre for New Antibacterial Strategies (CANS; https://uit.no/research/cans): En interdisiplinary research center funded by UiT and the Tromsø Research Foundation (https://tfstiftelse.no/) 2019-.
- Medical Director, National Norwegian Advisory Unit in Detection of Antimicrobial Resistance (K-res; https://unn.no/fag-og-forskning/k-res) at the University Hospital of North-Norway (UNN) funded by the Norwegian Ministry of Health, the Northern Regional Health Authority, and UNN.
Member of research group
Attachments:
- 20-01-16 CV_AS (pdf)