Christina Gabrielsen Ås
About
Guest researcher at the department of Clinical and Molecular Medicine at NTNU. Fields of interest include bacterial virulence and genomics, next generation sequencing and bioinformatics.
Publications
2024
-
Rønning, Torunn Gresdal;
Enger, Hege;
Afset, Jan Egil;
Ås, Christina Gabrielsen.
(2024)
Insights from a decade of surveillance: Molecular epidemiology of methicillin-resistant Staphylococcus aureus in Norway from 2008 to 2017.
PLOS ONE
Academic article
-
Westerström, Pontus;
Ås, Christina Gabrielsen;
Bak Dragsted, Ulrik.
(2024)
Characterising virulence in a nontoxigenic non-O1/non-O139 Vibrio cholerae isolate imported from Vietnam.
Heliyon
Academic article
-
Rønning, Torunn Gresdal;
Olaisen, Camilla;
Ås, Christina Gabrielsen;
Afset, Jan Egil;
Haugan, Maria Schei.
(2024)
Identification and characterisation of carbapenem-resistant Streptococcus nidrosiense sp. nov. isolated from blood culture.
New microbes and new infections
Academic article
2022
-
Jakovljev, Aleksandra;
Afset, Jan Egil;
Haugum, Kjersti;
Steinum, Harald Otto;
Rønning, Torunn Gresdal;
Samuelsen, Ørjan.
(2022)
Phenotypic and genotypic characterisation of thymine auxotrophy in Escherichia coli isolated from a patient with recurrent bloodstream infection.
PLOS ONE
Academic article
-
Basson, Adelle;
Olaisen, Camilla;
Selvik, Linn-Karina M.;
Lyng, Randi Valsø;
Lysvand, Hilde;
Gidon, Alexandre.
(2022)
The Streptococcus agalactiae R3 surface protein is encoded by sar5.
PLOS ONE
Academic article
2021
-
Enger, Hege;
Larssen, Kjersti Wik;
Damås, Elise Størvold;
Aamot, Hege Vangstein;
Blomfeldt, Anita;
Elstrøm, Petter.
(2021)
A tale of two STs: molecular and clinical epidemiology of MRSA t304 in Norway 2008–2016.
European Journal of Clinical Microbiology and Infectious Diseases
Academic article
2020
-
Bartels, Mette Damkjær;
Worning, Peder;
Andersen, Leif P.;
Bès, Michèle;
Enger, Hege;
Ås, Christina Gabrielsen.
(2020)
Repeated introduction and spread of the MRSA clone t304/ST6 in northern Europe.
Clinical Microbiology and Infection (CMI)
Academic article
2019
-
Elstrøm, Petter;
Grøntvedt, Carl Andreas;
Ås, Christina Gabrielsen;
Stegger, Marc;
Angen, Øystein;
Åmdal, Solfrid.
(2019)
Livestock-Associated MRSA CC1 in Norway; Introduction to Pig Farms, Zoonotic Transmission, and Eradication.
Frontiers in Microbiology
Academic article
2018
-
Rønning, Torunn Gresdal;
Ås, Christina Gabrielsen;
Støen, Ragnhild;
Bergh, Kåre;
Afset, Jan Egil;
Holte, Mari Sagli.
(2018)
Investigation of an outbreak caused by antibiotic susceptible Klebsiella oxytoca in a neonatal intensive care unit in Norway.
Acta Paediatrica
Academic article
-
Ås, Christina Gabrielsen;
Drabløs, Finn;
Haugum, Kjersti;
Afset, Jan Egil.
(2018)
Comparative Transcriptome Profiling Reveals a Potential Role of Type VI Secretion System and Fimbriae in Virulence of Non-O157 Shiga Toxin-Producing Escherichia coli.
Frontiers in Microbiology
Academic article
2017
-
Gabrielsen, Christina;
Mæland, Johan A.;
Lyng, Randi Valsø;
Radtke, Andreas;
Afset, Jan Egil.
(2017)
Molecular characteristics of Streptococcus agalactiae strains deficient in alpha-like protein encoding genes.
Journal of Medical Microbiology
Academic article
-
Gabrielsen, Christina;
Kols, Nicola Isabelle;
Øye, Christian;
Bergh, Kåre;
Afset, Jan Egil.
(2017)
Characterization of the virulence potential of Staphylococcus condimenti isolated from a patient with severe soft tissue infection.
New microbes and new infections
Academic article
-
Blomfeldt, Anita;
Larssen, Kjersti Wik;
Moghen, Arsalan;
Gabrielsen, Christina;
Elstrøm, Petter;
Aamot, Hege Vangstein.
(2017)
Emerging multidrug-resistant Bengal Bay clone ST772-MRSA-V in Norway: molecular epidemiology 2004-2014.
European Journal of Clinical Microbiology and Infectious Diseases
Academic article
2015
-
Nes, Ingolf;
Gabrielsen, Christina;
Brede, Dag Anders;
Diep, Dzung Bao.
(2015)
Novel Developments in Bacteriocins from Lactic Acid Bacteria.
Wiley-Blackwell
Academic chapter/article/Conference paper
-
Gabrielsen, Christina;
Drabløs, Finn;
Afset, Jan Egil.
(2015)
Genome sequences of 11 Shiga toxin-producing Escherichia coli strains.
Microbiology Resource Announcements (MRA)
Short communication
-
Porcellato, Davide;
Frantzen, Cyril;
Rangberg, Anbjørg;
Umu, Özgün Candan Onarman;
Gabrielsen, Christina;
Nes, Ingolf.
(2015)
Draft Genome Sequence of Lactobacillus kunkeei AR114 Isolated from Honey Bee Gut.
Microbiology Resource Announcements (MRA)
Academic article
2014
-
Gabrielsen, Christina;
Brede, Dag Anders;
Salehian, Zhian;
Nes, Ingolf;
Diep, Bao Dzung.
(2014)
Functional genetic analysis of the garml gene cluster in Lactococcus garvieae DCC43 gives new insights into circular bacteriocin biosynthesis.
Journal of Bacteriology
Academic article
-
Gabrielsen, Christina;
Brede, Dag Anders;
Nes, Ingolf;
Diep, Dzung Bao.
(2014)
Circular bacteriocins: biosynthesis and mode of action.
Applied and Environmental Microbiology
Academic literature review
-
Haugum, Kjersti;
Johansen, Jostein;
Gabrielsen, Christina;
Brandal, Lin Thorstensen;
Bergh, Kåre;
Ussery, David Wayne.
(2014)
Comparative genomics to delineate pathogenic potential in Non-O157 Shiga toxin-producing Escherichia coli (STEC) from patients with and without haemolytic uremic syndrome (HUS) in Norway.
PLOS ONE
Academic article
2013
-
Gabrielsen, Christina.
(2013)
Full circle: Genetics, biosynthesis, mode of action and resistance mechanisms of the bacteriocin garvicin ML.
Norwegian University of Life Sciences
Doctoral dissertation
-
Uzelac, Gordana;
Kojic, Milan;
Lozo, Jelena;
Aleksandrzak-Piekarczyk, Tamara;
Gabrielsen, Christina;
Kristensen, Tom.
(2013)
A Zn-dependent metallopeptidase is responsible for sensitivity to LsbB, a class II leaderless bacteriocin of Lactococcus lactis subsp. lactis BGMN1-5.
Journal of Bacteriology
Academic article
2012
-
Gabrielsen, Christina;
Brede, Dag Anders;
Hernandez, Pablo E.;
Nes, Ingolf;
Diep, Bao Dzung.
(2012)
The maltose ABC transporter in Lactococcus lactis facilitates high level sensitivity to the circular bacteriocin garvicin ML.
Antimicrobial Agents and Chemotherapy
Academic article
-
Gabrielsen, Christina;
Brede, Dag Anders;
Hernandez, Pablo E.;
Nes, Ingolf;
Diep, Bao Dzung.
(2012)
Genome sequence of the bacteriocin-producing strain Lactococcus garvieae DCC43.
Journal of Bacteriology
Academic article
2009
-
Gabrielsen, Christina.
(2009)
Investigating use of the XylS/Pm expression system for production of recombinant proteins in Streptomyces spp.
NTNU
Masters thesis
Journal publications
-
Rønning, Torunn Gresdal;
Enger, Hege;
Afset, Jan Egil;
Ås, Christina Gabrielsen.
(2024)
Insights from a decade of surveillance: Molecular epidemiology of methicillin-resistant Staphylococcus aureus in Norway from 2008 to 2017.
PLOS ONE
Academic article
-
Westerström, Pontus;
Ås, Christina Gabrielsen;
Bak Dragsted, Ulrik.
(2024)
Characterising virulence in a nontoxigenic non-O1/non-O139 Vibrio cholerae isolate imported from Vietnam.
Heliyon
Academic article
-
Rønning, Torunn Gresdal;
Olaisen, Camilla;
Ås, Christina Gabrielsen;
Afset, Jan Egil;
Haugan, Maria Schei.
(2024)
Identification and characterisation of carbapenem-resistant Streptococcus nidrosiense sp. nov. isolated from blood culture.
New microbes and new infections
Academic article
-
Jakovljev, Aleksandra;
Afset, Jan Egil;
Haugum, Kjersti;
Steinum, Harald Otto;
Rønning, Torunn Gresdal;
Samuelsen, Ørjan.
(2022)
Phenotypic and genotypic characterisation of thymine auxotrophy in Escherichia coli isolated from a patient with recurrent bloodstream infection.
PLOS ONE
Academic article
-
Basson, Adelle;
Olaisen, Camilla;
Selvik, Linn-Karina M.;
Lyng, Randi Valsø;
Lysvand, Hilde;
Gidon, Alexandre.
(2022)
The Streptococcus agalactiae R3 surface protein is encoded by sar5.
PLOS ONE
Academic article
-
Enger, Hege;
Larssen, Kjersti Wik;
Damås, Elise Størvold;
Aamot, Hege Vangstein;
Blomfeldt, Anita;
Elstrøm, Petter.
(2021)
A tale of two STs: molecular and clinical epidemiology of MRSA t304 in Norway 2008–2016.
European Journal of Clinical Microbiology and Infectious Diseases
Academic article
-
Bartels, Mette Damkjær;
Worning, Peder;
Andersen, Leif P.;
Bès, Michèle;
Enger, Hege;
Ås, Christina Gabrielsen.
(2020)
Repeated introduction and spread of the MRSA clone t304/ST6 in northern Europe.
Clinical Microbiology and Infection (CMI)
Academic article
-
Elstrøm, Petter;
Grøntvedt, Carl Andreas;
Ås, Christina Gabrielsen;
Stegger, Marc;
Angen, Øystein;
Åmdal, Solfrid.
(2019)
Livestock-Associated MRSA CC1 in Norway; Introduction to Pig Farms, Zoonotic Transmission, and Eradication.
Frontiers in Microbiology
Academic article
-
Rønning, Torunn Gresdal;
Ås, Christina Gabrielsen;
Støen, Ragnhild;
Bergh, Kåre;
Afset, Jan Egil;
Holte, Mari Sagli.
(2018)
Investigation of an outbreak caused by antibiotic susceptible Klebsiella oxytoca in a neonatal intensive care unit in Norway.
Acta Paediatrica
Academic article
-
Ås, Christina Gabrielsen;
Drabløs, Finn;
Haugum, Kjersti;
Afset, Jan Egil.
(2018)
Comparative Transcriptome Profiling Reveals a Potential Role of Type VI Secretion System and Fimbriae in Virulence of Non-O157 Shiga Toxin-Producing Escherichia coli.
Frontiers in Microbiology
Academic article
-
Gabrielsen, Christina;
Mæland, Johan A.;
Lyng, Randi Valsø;
Radtke, Andreas;
Afset, Jan Egil.
(2017)
Molecular characteristics of Streptococcus agalactiae strains deficient in alpha-like protein encoding genes.
Journal of Medical Microbiology
Academic article
-
Gabrielsen, Christina;
Kols, Nicola Isabelle;
Øye, Christian;
Bergh, Kåre;
Afset, Jan Egil.
(2017)
Characterization of the virulence potential of Staphylococcus condimenti isolated from a patient with severe soft tissue infection.
New microbes and new infections
Academic article
-
Blomfeldt, Anita;
Larssen, Kjersti Wik;
Moghen, Arsalan;
Gabrielsen, Christina;
Elstrøm, Petter;
Aamot, Hege Vangstein.
(2017)
Emerging multidrug-resistant Bengal Bay clone ST772-MRSA-V in Norway: molecular epidemiology 2004-2014.
European Journal of Clinical Microbiology and Infectious Diseases
Academic article
-
Gabrielsen, Christina;
Drabløs, Finn;
Afset, Jan Egil.
(2015)
Genome sequences of 11 Shiga toxin-producing Escherichia coli strains.
Microbiology Resource Announcements (MRA)
Short communication
-
Porcellato, Davide;
Frantzen, Cyril;
Rangberg, Anbjørg;
Umu, Özgün Candan Onarman;
Gabrielsen, Christina;
Nes, Ingolf.
(2015)
Draft Genome Sequence of Lactobacillus kunkeei AR114 Isolated from Honey Bee Gut.
Microbiology Resource Announcements (MRA)
Academic article
-
Gabrielsen, Christina;
Brede, Dag Anders;
Salehian, Zhian;
Nes, Ingolf;
Diep, Bao Dzung.
(2014)
Functional genetic analysis of the garml gene cluster in Lactococcus garvieae DCC43 gives new insights into circular bacteriocin biosynthesis.
Journal of Bacteriology
Academic article
-
Gabrielsen, Christina;
Brede, Dag Anders;
Nes, Ingolf;
Diep, Dzung Bao.
(2014)
Circular bacteriocins: biosynthesis and mode of action.
Applied and Environmental Microbiology
Academic literature review
-
Haugum, Kjersti;
Johansen, Jostein;
Gabrielsen, Christina;
Brandal, Lin Thorstensen;
Bergh, Kåre;
Ussery, David Wayne.
(2014)
Comparative genomics to delineate pathogenic potential in Non-O157 Shiga toxin-producing Escherichia coli (STEC) from patients with and without haemolytic uremic syndrome (HUS) in Norway.
PLOS ONE
Academic article
-
Uzelac, Gordana;
Kojic, Milan;
Lozo, Jelena;
Aleksandrzak-Piekarczyk, Tamara;
Gabrielsen, Christina;
Kristensen, Tom.
(2013)
A Zn-dependent metallopeptidase is responsible for sensitivity to LsbB, a class II leaderless bacteriocin of Lactococcus lactis subsp. lactis BGMN1-5.
Journal of Bacteriology
Academic article
-
Gabrielsen, Christina;
Brede, Dag Anders;
Hernandez, Pablo E.;
Nes, Ingolf;
Diep, Bao Dzung.
(2012)
The maltose ABC transporter in Lactococcus lactis facilitates high level sensitivity to the circular bacteriocin garvicin ML.
Antimicrobial Agents and Chemotherapy
Academic article
-
Gabrielsen, Christina;
Brede, Dag Anders;
Hernandez, Pablo E.;
Nes, Ingolf;
Diep, Bao Dzung.
(2012)
Genome sequence of the bacteriocin-producing strain Lactococcus garvieae DCC43.
Journal of Bacteriology
Academic article
Part of book/report
-
Nes, Ingolf;
Gabrielsen, Christina;
Brede, Dag Anders;
Diep, Dzung Bao.
(2015)
Novel Developments in Bacteriocins from Lactic Acid Bacteria.
Wiley-Blackwell
Academic chapter/article/Conference paper
Report
-
Gabrielsen, Christina.
(2013)
Full circle: Genetics, biosynthesis, mode of action and resistance mechanisms of the bacteriocin garvicin ML.
Norwegian University of Life Sciences
Doctoral dissertation
-
Gabrielsen, Christina.
(2009)
Investigating use of the XylS/Pm expression system for production of recombinant proteins in Streptomyces spp.
NTNU
Masters thesis
Teaching
Courses
Outreach
2022
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PosterRønning, Torunn Gresdal; Haugum, Kjersti; Radtke, Andreas; Afset, Jan Egil; Ås, Christina Gabrielsen. (2022) Surveillance and molecular characterization of extended spectrum betalactamase- producing Escherichia coli strains isolated from patients with bloodstream infection in central Norway (2013-2015). ESGEM-group 13th International Meeting on Microbial Epidemiological Markers (IMMEM XIII) , Bath, United Kingdom 2022-09-14 - 2022-09-17
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Academic lectureToftemo, Anna Matilde; Olsen, Lene Christin; Krokstad, Sidsel; Malmring, Janne Fossum; Ås, Christina Gabrielsen; Rønning, Torunn Gresdal. (2022) Genotyping and variant calling of human adenoviruses by tiled amplicon sequencing. European Society for Clinical Virology Annual Conference of the European Society for Clinical Virology , Manchester 2022-09-07 - 2022-09-10
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PosterSkjærvik, Anette; Rønning, Torunn Gresdal; Olsen, Lene Christin; Enger, Hege; Haugan, Maria Schei; Radtke, Andreas Franz. (2022) Etablering av PCR for Pseudomonas aeruginosa ST3875. Smittevernforum - Norsk forum for smittevern i helsetjenesten Smittevernforum - Norsk forum for smittevern i helsetjenesten , Tromsø 2022-10-17 - 2022-10-19
2019
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PosterRønning, Torunn Gresdal; Haugum, Kjersti; Johansen, Jostein; Ås, Christina Gabrielsen; Afset, Jan Egil. (2019) Comparative genomics of Streptococcus agalactiae from adults with invasive infection. 36th Annual meeting of NSCMID 2019 , Trondheim 2019-09-13 - 2019-09-15
2017
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PosterJakovljev, Aleksandra; Afset, Jan Egil; Haugum, Kjersti; Steinum, Harald Otto; Rønning, Torunn Gresdal; Samuelsen, Ørjan. (2017) Genetic basis of growth characteristics and trimethoprim-sulfamethoxazole susceptibility of thymine-dependent and thymine-independent serial blood culture isolates of Escherichia coli. ESCMID 27th ECCMID 2017, 22-25 April, Vienna, Austria , Vienna 2017-04-22 - 2017-04-25
2016
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Academic lectureJakovljev, Aleksandra; Afset, Jan Egil; Haugum, Kjersti; Steinum, Harald Otto; Rønning Gresdal, Torunn; Samuelsen, Ørjan. (2016) Undersøkelse av det genetiske grunnlaget for fenotypiske forskjeller i vekstegenskaper og følsomhet overfor trimetoprim-sulfamethoxazole hos Escherichia coli isolert fra pasient med residiverende bakteriemiepisoder. Folkehelseinstitutet i Oslo Årskonferanse FHI 2016 , Oslo 2016-12-01 - 2016-12-02
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PosterGabrielsen, Christina; Afset, Jan Egil; Kols, Nicola Isabelle; Bergh, Kåre. (2016) Whole-genome sequencing of a Staphylococcus condimenti isolate from a patient with severe soft tissue infection . ESCMID European Congress of Clinical Microbiology and Infectious Diseases , Amsterdam 2016-04-22 - 2016-04-25
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PosterAfset, Jan Egil; Lyng, Randi Valsø; Gabrielsen, Christina; Radtke, Andreas; Mæland, Johan A.. (2016) Molecular characteristics of Streptococcus agalactiae deficient in alpha-like protein encoding genes. ESCMID European Congress of Clinical Microbiology and Infectious Diseases , Amsterdam 2016-04-22 - 2016-04-25
2015
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Academic lectureGabrielsen, Christina; Drabløs, Finn; Afset, Jan Egil. (2015) Global transcriptional patterns in high- and low-virulent shiga-toxin producing E. coli. VTEC Organizing Comittee The 9th triennial International Shiga (Verocytotoxin) Producing Escherichia coli Infections Symposium , Boston 2015-09-13 - 2015-09-16
2014
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PosterGabrielsen, Christina; Drabløs, Finn; Afset, Jan Egil. (2014) Identification of novel sigma- and transcription factors in genomes of pathogenic Escherichia coli. Society for Bioinformatics in Northern Europe (SocBiN) Bioinformatics 2014 , Oslo 2014-06-11 - 2014-06-13
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PosterGabrielsen, Christina; Drabløs, Finn; Afset, Jan Egil. (2014) Comparative genomics of Stx prophages in HUS- and non-HUS associated shiga toxin-producing Escherichia coli. American Society for Microbiology General Meeting of the American Society for Microbiology , Boston 2014-05-17 - 2014-05-20
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PosterHaugum, Kjersti; Johansen, Jostein; Gabrielsen, Christina; Brandal, Lin Thorstensen; Bergh, Kåre; Ussery, David Wayne. (2014) Genomic comparison reveals heterogeneity among non-O157 Shiga toxin-producing Escherichia coli (STEC) from patients with and without haemolytic uremic syndrome (HUS). American Society for Microbiology ASM General meeting 2014 , Boston 2014-05-17 - 2014-05-20
2012
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Academic lectureGabrielsen, Christina; Brede, Dag Anders; Nes, Ingolf; Hernandez, Pablo E.; Diep, Dzung Bao. (2012) The maltose ABC transporter in Lactococcus lactis facilitates high level sensitivity to the circular bacteriocin garvicin ML. Slovak Academy of Sciences in Kosice International Scientific Conference on Bacteriocins and Antimicrobial Peptides - BAMP 2012 , Kosice 2012-02-21 - 2012-02-23
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PosterGabrielsen, Christina; Brede, Dag Anders; Nes, Ingolf; Hernandez, Pablo E.; Diep, Dzung Bao. (2012) The Lactococcus lactis maltose ABC transporter complex mediates sensitivity to the circular bacteriocin garvicin ML. Univeristy of Nottingham How bugs kill bugs: progress and challenges in bacteriocin research , Nottingham 2012-07-16 - 2012-07-18
2010
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Academic lectureGabrielsen, Christina; Brede, Dag Anders; Nes, Ingolf F.; Diep, Dzung Bao. (2010) Construction of random-mutagenised genomic libraries for identification of novel bacteriocin receptors. Forskerskole i Molekylær Mikrobiologi , Alimentary Pharmabiotic Centre , University College Cork, Cork , Irlan 2010-11-29 - 2010-11-30