Line Elnif Thomsen

Line Elnif Thomsen

Associate Professor

Member of:


    1. 2023
    2. Published

      The global transcriptomes of Salmonella enterica serovars Gallinarum, Dublin and Enteritidis in the avian host

      Fei, Xiao, Schroll, C., Huang, K., Christensen, Jens Peter, Christensen, Henrik, Lemire, S., Kilstrup, M., Thomsen, Line Elnif, Jelsbak, L. & Olsen, John Elmerdahl, 2023, In: Microbial Pathogenesis. 182, 106236.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Uncovering the Important Genetic Factors for Growth during Cefotaxime-Gentamicin Combination Treatment in blaCTX-M-1 Encoding Escherichia coli

      Alobaidallah, M. S. A., García, V., De Mets, R., Wellner, Sandra Marina, Thomsen, Line Elnif, Herrero-Fresno, A. & Olsen, John Elmerdahl, 2023, In: Antibiotics. 12, 6, 24 p., 993.

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. 2022
    5. Published

      Antimicrobial-induced horizontal transfer of antimicrobial resistance genes in bacteria: a mini-review

      Liu, G., Thomsen, Line Elnif & Olsen, John Elmerdahl, 2022, In: The Journal of antimicrobial chemotherapy. 77, 3, p. 556-567 12 p.

      Research output: Contribution to journalReviewResearchpeer-review

    6. 2019
    7. Published

      Antibiotic-Induced, Increased Conjugative Transfer Is Common to Diverse Naturally Occurring ESBL Plasmids in Escherichia coli

      Liu, G., Bogaj, K., Bortolaia, V., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2019, In: Frontiers in Microbiology. 10, 2119.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Identification of Genes Essential for Antibiotic-Induced Up-Regulation of Plasmid-Transfer-Genes in Cephalosporin Resistant Escherichia coli

      Liu, G., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2019, In: Frontiers in Microbiology. 10, 9 p., 2203.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      The SPI-19 encoded type-six secretion-systems (T6SS) of Salmonella enterica serovars Gallinarum and Dublin play different roles during infection

      Schroll, C., Huang, K., Ahmed, S., Kristensen, B. M., Pors, S. E., Jelsbak, L., Lemire, S., Thomsen, Line Elnif, Christensen, Jens Peter, Jensen, P. R. & Olsen, John Elmerdahl, 2019, In: Veterinary Microbiology. 230, p. 23-31 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. 2018
    11. Published

      Antimicrobial resistance among clinically relevant bacterial isolates in Accra: a retrospective study

      Mohammed, J., Hounmanou, Yaovi Mahuton Gildas & Thomsen, Line Elnif, 2018, In: BMC Research Notes. 11, 1, 6 p., 254.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. 2017
    13. Published

      Treatment with cefotaxime affects expression of conjugation associated proteins and conjugation transfer frequency of an IncI1 plasmid in Escherichia coli

      Møller, T. S. B., Liu, G., Boysen, A., Thomsen, Line Elnif, Lüthje, F. L., Mortensen, S., Møller-Jensen, J. & Olsen, John Elmerdahl, 29 Nov 2017, In: Frontiers in Microbiology. 8, 2365.

      Research output: Contribution to journalJournal articleResearchpeer-review

    14. Published

      The interaction of antimicrobial peptides with the membrane and intracellular targets of Staphylococcus aureus investigated by ATP leakage, DNA-binding analysis, and the expression of a LexA-controlled gene, recA

      Gottschalk, S. & Thomsen, Line Elnif, 2017, Antimicrobial Peptides. Humana Press, Vol. 1548. p. 297-305 9 p. (Methods in Molecular Biology, Vol. 1548).

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    15. 2016
    16. Published

      Prevalence of feline haemoplasma in cats in Denmark

      Rosenqvist, M. B., Meilstrup, A. H., Larsen, J., Olsen, John Elmerdahl, Jensen, Asger Lundorff & Thomsen, Line Elnif, 10 Nov 2016, In: Acta Veterinaria Scandinavica (Online). 58, 5 p., 78.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      The lysine-peptoid hybrid LP5 maintain activity under physiological conditions and affects virulence gene expression in Staphylococcus aureus

      Gottschalk, S., Ingmer, Hanne & Thomsen, Line Elnif, Apr 2016, In: Peptides. 78, p. 24-29

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. 2015
    19. Published

      Amphibian antimicrobial peptide fallaxin analogue FL9 affects virulence gene expression and DNA replication in Staphylococcus aureus

      Gottschalk, S., Gottlieb, C. T., Vestergaard, M., Hansen, Paul Robert, Gram, L., Ingmer, Hanne & Thomsen, Line Elnif, 1 Dec 2015, In: Journal of Medical Microbiology. 64, 12, p. 1504-1513 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      Stepwise decrease in daptomycin susceptibility in clinical Staphylococcus aureus isolates associated with an initial mutation in rpoB and a compensatory inactivation of the clpX gene

      Bæk, K. T., Thøgersen, L., Mogensen, R. G., Pedersen, M. M., Thomsen, Line Elnif, Petersen, A., Skov, Søren, Cameron, D. R., Peleg, A. Y. & Frees, Dorte, Nov 2015, In: Antimicrobial Agents and Chemotherapy. 59, 11, p. 6983-6991 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. Published

      Importance of sigma factor mutations in increased triclosan resistance in Salmonella Typhimurium

      Gantzhorn, M. R., Olsen, John Elmerdahl & Thomsen, Line Elnif, 19 May 2015, In: B M C Microbiology. 15, 9 p., 105.

      Research output: Contribution to journalJournal articleResearchpeer-review

    22. 2014
    23. Published

      Biocide and antibiotic susceptibility of Salmonella isolates obtained before and after cleaning at six Danish pig slaughterhouses

      Gantzhorn, M. R., Pedersen, K., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2014, In: International Journal of Food Microbiology. 181, p. 53-59 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      Identification of metabolic pathways essential for fitness of Salmonella Typhimurium In Vivo

      Jelsbak, L., Hartman, H., Schroll, C., Rosenkrantz, J. T., Lemire, S., Wallrodt, I., Thomsen, Line Elnif, Poolman, M., Kilstrup, M., Jensen, P. R. & Olsen, John Elmerdahl, 2014, In: P L o S One. 9, 7, 7 p., e101869.

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Removal of the phage-shock protein PspB causes reduction of virulence in Salmonella enterica serovar Typhimurium independently of NRAMP1

      Wallrodt, I., Jelsbak, L., Thomsen, Line Elnif, Brix, L., Lemire, S., Gautier, L., Nielsen, Dennis Sandris, Jovanovic, G., Buck, M. & Olsen, John Elmerdahl, 2014, In: Journal of Medical Microbiology. 63, 6, p. 788-795 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      The role of ClpP, RpoS and CsrA in growth and filament formation of Salmonella enterica serovar Typhimurium at low temperature

      Knudsen, G. M., Nielsen, M., Thomsen, Line Elnif, Aabo, S., Rychlik, I. & Olsen, John Elmerdahl, 2014, In: B M C Microbiology. 14, 9 p., 208.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. 2013
    28. Published

      Polyamines are required for virulence and expression of virulence loci in Salmonella Typhimurium

      Jelsbak, L., Thomsen, Line Elnif, Lemire, S. & Olsen, John Elmerdahl, Jul 2013. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    29. Published

      ClpP deletion causes attenuation of Salmonella Typhimurium virulence through mis-regulation of RpoS and indirect control of CsrA and the SPI genes

      Knudsen, G. M., Olsen, John Elmerdahl, Aabo, S., Barrow, P., Rychlik, I. & Thomsen, Line Elnif, 2013, In: Microbiology. 159, 7, p. 1497-1509 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    30. Published

      Comparison of heat stress responses of immobilized and planktonic Salmonella enterica serovar Typhimurium

      Nielsen, M., Knudsen, G. M., Danino-Appleton, V., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2013, In: Food Microbiology. 33, 2, p. 221-227 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    31. Published

      Cyclic peptide inhibitors of the β-sliding clamp in Staphylococcus aureus

      Kjelstrup, S., Hansen, P. M. P., Thomsen, Line Elnif, Hansen, Paul Robert & Løbner-Olesen, Anders, 2013, In: P L o S One. 8, 9, 13 p., e72273.

      Research output: Contribution to journalJournal articleResearchpeer-review

    32. Published

      Non-essential genes form the hubs of genome scale protein function and environmental gene expression networks in Salmonella enterica serovar Typhimurium

      Rosenkrantz, J. T., Aarts, H., Abee, T., Rolfe, M. D., Knudsen, G. M., Nielsen, M., Thomsen, Line Elnif, Zwietering, M. H., Olsen, John Elmerdahl & Pin, C., 2013, In: B M C Microbiology. 13, 16 p., 294.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      The antimicrobial lysine-peptoid hybrid LP5 inhibits DNA replication and induces the SOS response in Staphylococcus aureus

      Gottschalk, S., Ifrah, D., Søndergaard, S. L., Gottlieb, C. T., Cohn, M. T., Hiasa, H., Hansen, Paul Robert, Gram, L., Ingmer, Hanne & Thomsen, Line Elnif, 2013, In: B M C Microbiology. 13, 8 p., 192.

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      The putative thiosulfate sulfurtransferases PspE and GlpE contribute to virulence of Salmonella Typhimurium in the mouse model of systemic disease.

      Wallrodt, I., Jelsbak, L., Thorndahl, L., Thomsen, Line Elnif, Lemire, S. & Olsen, John Elmerdahl, 2013, In: P L o S One. 8, 8, 9 p., e70829.

      Research output: Contribution to journalJournal articleResearchpeer-review

    35. Published

      The role of flagella and chemotaxis genes in host pathogen interaction of the host adapted Salmonella enterica serovar Dublin compared to the broad host range serovar S. Typhimurium

      Olsen, John Elmerdahl, Hoegh-Andersen, K. H., Casadesús, J., Rosenkrantz, J. T., Chadfield, M. S. & Thomsen, Line Elnif, 2013, In: B M C Microbiology. 13, 11 p., 67.

      Research output: Contribution to journalJournal articleResearchpeer-review

    36. 2012
    37. Published

      No evidence of biocide resistance in Danish Salmonella isolates from pig slaughterhouses

      Gantzhorn, M. R., Pedersen, K., Olsen, John Elmerdahl & Thomsen, Line Elnif, 4 Sep 2012.

      Research output: Contribution to conferencePosterResearch

    38. Published

      Resistens er ikke det samme...

      Gantzhorn, M. R. & Thomsen, Line Elnif, Mar 2012, In: Plus Proces. 26, 3, p. 20 1 p.

      Research output: Contribution to journalJournal articleCommunication

    39. Published

      A third mode of surface-associated growth: immobilization of Salmonella enterica serovar Typhimurium modulates the RpoS-directed transcriptional programme

      Knudsen, G. M., Nielsen, M., Grassby, T., Danino-Appleton, V., Thomsen, Line Elnif, Colquhoun, I. J., Brocklehurst, T. F., Olsen, John Elmerdahl & Hinton, J. C. D., 2012, In: Environmental Microbiology. 14, 8, p. 1855-1875 21 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. Published

      Adaptation of Salmonella Typhimurium to triclosan

      Gantzhorn, M. R., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2012.

      Research output: Contribution to conferencePosterResearch

    41. Published

      Polyamines are required for virulence in Salmonella enterica serovar Typhimurium

      Jelsbak, L., Thomsen, Line Elnif, Wallrodt, I., Jensen, P. R. & Olsen, John Elmerdahl, 2012, In: PLoS ONE. 7, 4, 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. Published

      The importance of motility and chemotaxis for extra-animal survival of Salmonella enterica serovar Typhimuirum and Dublin

      Olsen, John Elmerdahl, Høgh-Andersen, K. H., Casadesús, J. & Thomsen, Line Elnif, 2012, In: Journal of Applied Microbiology. 113, 3, p. 560-568 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    43. 2011
    44. Published

      Peptoid inhibits essential cellular functions through unspecific binding to DNA in S. aureus

      Gottschalk, S., Søndergaard, S. L., Hansen, Paul Robert, Ifrah, D., Ingmer, Hanne & Thomsen, Line Elnif, 2011. 1 p.

      Research output: Contribution to conferencePosterResearch

    45. Published

      Searching for small sB-regulated genes in Staphylococcus aureus

      Nielsen, J. S., Christiansen, M. H. G., Bonde, M., Gottschalk, S., Frees, Dorte, Thomsen, Line Elnif & Kallipolitis, B. H., 2011, In: Archives of Microbiology. 193, 1, p. 23-34 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. 2010
    47. Published

      Immobilisation alters the heat shock response of Salmonella typhimurium

      Nielsen, M., Knudsen, G. M., Danino-Appelton, V., Hinton, J. C., Brocklehurst, T., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2010. 1 p.

      Research output: Contribution to conferencePosterResearch

    48. Published

      Impact of immobilisation on virulence of Salmonella typhimurium

      Thomsen, Line Elnif, Nielsen, M., Knudsen, G., Danino-Appleton, V., Hinton, J., Brocklehurst, T. & Olsen, John Elmerdahl, 2010. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    49. Published

      PhD course "Infection Microbiology": time schedule for module A, 2010

      Frees, Dorte, Nielsen, M. & Thomsen, Line Elnif, 2010, Department of Veterinary Disease Biology, University of Copenhagen. 72 p.

      Research output: Book/ReportCompendium/lecture notesEducation

    50. Published

      Polyamine biosynthesis is essential for macrophage cytotoxicity of Salmonella typhimurium

      Jelsbak, L., Thomsen, Line Elnif & Olsen, John Elmerdahl, 2010. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    51. Published

      The heme sensing response regulator HssR in Staphylococcus aureus but not the homologous RR23 in Listeria monocytogenes modulates susceptibility to the antimicrobial peptide plectasin

      Thomsen, Line Elnif, Gottlieb, C. T., Gottschalk, S., Wodskou, T., Kristensen, H., Gram, L. & Ingmer, Hanne, 2010, In: BMC Microbiology. 10, 307, 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    52. Published

      The role of phage-shock proteins in Salmonella Typhimurium virulence

      Schmidt, I., Thomsen, Line Elnif, Jelsbak, L. & Olsen, John Elmerdahl, 2010. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    53. Published

      There is more to sessile growth than biofilm and swarming: immobilised growth of Salmonella Typhimurium

      Knudsen, G., Nielsen, M., Grassby, T., Danino-Appleton, V., Thomsen, Line Elnif, Colquhoun, I., Brocklehurst, J., Olsen, John Elmerdahl & Hinton, J., 2010. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    54. 2009
    55. Published

      Impact of immobilisation on Salmonella Typhimurium virulence

      Nielsen, M., Knudsen, G. M., Danino-Appelton, V., Hinton, J. C. D., Brocklehurst, T., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2009. 1 p.

      Research output: Contribution to conferencePosterResearch

    56. Published

      Impact of immobilisation on Salmonella typhimurium virulence

      Nielsen, M., Knudsen, G. M., Danino-Appleton, V., Hinton, J. C., Brocklehurst, T., Olsen, John Elmerdahl & Thomsen, Line Elnif, 2009. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    57. Published

      Staphylococcus aureus genes involved in the response to Antimicrobial peptides

      Thomsen, Line Elnif, 2009.

      Research output: Contribution to conferencePosterResearch

    58. Published

      The immobilised growth of Salmonella enterica serovar Typhimurium in a food matrix modulates the RpoS-directed transcriptional programme

      Knudsen, G. M., Nielsen, M., Grassby, T., Danino-Appelton, V., Thomsen, Line Elnif, Colquhoun, I. J., Brocklehurst, T., Olsen, John Elmerdahl & Hinton, J. C. D., 2009. 1 p.

      Research output: Contribution to conferencePosterResearch

    59. Published

      The immobilised growth of Salmonella enterica serovar Typhimurium in a food matrix modulates the Rpos-directed transcriptional programme

      Knudsen, G. M., Nielsen, M., Grassby, T., Danino-Appleton, V., Thomsen, Line Elnif, Colquhoun, I. J., Brocklehurst, T., Olsen, John Elmerdahl & Hinton, J. C., 2009. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    60. 2008
    61. Published

      Staphylococcus aureus genes involved in the response to the Antimicrobial peptide Plectasin

      Thomsen, Line Elnif, Gottlieb, C., Gottschalk, S., Wodskou, T., Kristensen, H., Gram, L. & Ingmer, Hanne, 2008.

      Research output: Contribution to conferencePosterResearch

    62. Published

      Antimicrobial peptides effectively kill a broad spectrum of Listeria monocytogenes and Staphylococcus aureus strains independently of origin, sub-type, or virulence factor expression

      Gottlieb, C. T., Thomsen, Line Elnif, Ingmer, Hanne, Mygind, P. H., Kristensen, H. & Gram, L., 2008, In: BMC Microbiology. 8, 205, 32 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    63. Published

      Chitin hydrolysis by Listeria spp. including L. monocytogenes

      Leisner, Jørgen, Larsen, M. H., Jørgensen, R. L., Brøndsted, Lone, Thomsen, Line Elnif & Ingmer, Hanne, 2008.

      Research output: Contribution to conferencePosterResearch

    64. Published

      Chitin hydrolysis by Listeria spp., including L. monocytogenes

      Leisner, Jørgen, Larsen, M. H., Jørgensen, R. L., Brøndsted, Lone, Thomsen, Line Elnif & Ingmer, Hanne, 2008, In: Applied and Environmental Microbiology. 74, 12, p. 3823-3830 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

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    ID: 4232443