Line Elnif Thomsen

Research output

Research output per year 1999 2007 2008 2010 2013 2024

• 1890 Citations
• 48 Journal article
• 25 Poster
• 14 Conference abstract for conference
• 4 Paper
• 6 More
  • 2 Article in proceedings
  • 1 Compendium/lecture notes
  • 1 Ph.D. thesis
  • 1 Book chapter
  • 1 Review

Research output per year

Research output per year

Search results

• 2024

  A novel high-throughput screening method for identifying compounds that inhibit plasmid conjugation

  Moussa, J., Gargallo-Viola, D. & Thomsen, L. E., 2024, In: MethodsX. 12, 4 p., 102740.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  7 Downloads (Pure)

• Enhancing the Efficacy of Chloramphenicol Therapy for Escherichia coli by Targeting the Secondary Resistome

  Alobaidallah, M. S. A., García, V., Wellner, S. M., Thomsen, L. E., Herrero-Fresno, A. & Olsen, J. E., 2024, In: Antibiotics. 13, 1, 14 p., 73.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  3 Citations (Scopus)

  8 Downloads (Pure)
• 2023

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

  Fei, X., Schroll, C., Huang, K., Christensen, J. P., Christensen, H., Lemire, S., Kilstrup, M., Thomsen, L. E., Jelsbak, L. & Olsen, J. E., 2023, In: Microbial Pathogenesis. 182, 106236.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  18 Downloads (Pure)

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

  Alobaidallah, M. S. A., García, V., De Mets, R., Wellner, S. M., Thomsen, L. E., Herrero-Fresno, A. & Olsen, J. E., 2023, In: Antibiotics. 12, 6, 24 p., 993.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  3 Citations (Scopus)

  13 Downloads (Pure)
• 2022

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

  Liu, G., Thomsen, L. E. & Olsen, J. E., 2022, In: The Journal of antimicrobial chemotherapy. 77, 3, p. 556-567 12 p.

  Research output: Contribution to journal › Review › Research › peer-review
  38 Citations (Scopus)
• 2019

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

  Liu, G., Bogaj, K., Bortolaia, V., Olsen, J. E. & Thomsen, L. E., 2019, In: Frontiers in Microbiology. 10, 2119.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  49 Citations (Scopus)

  110 Downloads (Pure)

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

  Liu, G., Olsen, J. E. & Thomsen, L. E., 2019, In: Frontiers in Microbiology. 10, 9 p., 2203.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  11 Citations (Scopus)

  125 Downloads (Pure)

• 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, L. E., Christensen, J. P., Jensen, P. R. & Olsen, J. E., 2019, In: Veterinary Microbiology. 230, p. 23-31 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  13 Citations (Scopus)

  26 Downloads (Pure)
• 2018

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

  Mohammed, J., Hounmanou, Y. M. G. & Thomsen, L. E., 2018, In: BMC Research Notes. 11, 1, 6 p., 254.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  14 Citations (Scopus)

  260 Downloads (Pure)
• 2017

  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, L. E., 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 proceeding › Book chapter › Research › peer-review
  10 Citations (Scopus)

• 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, L. E., Lüthje, F. L., Mortensen, S., Møller-Jensen, J. & Olsen, J. E., 29 Nov 2017, In: Frontiers in Microbiology. 8, 2365.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  40 Citations (Scopus)

  165 Downloads (Pure)
• 2016

  Prevalence of feline haemoplasma in cats in Denmark

  Rosenqvist, M. B., Meilstrup, A-K. H., Larsen, J., Olsen, J. E., Jensen, A. L. & Thomsen, L. E., 10 Nov 2016, In: Acta Veterinaria Scandinavica (Online). 58, 5 p., 78.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  18 Citations (Scopus)

  369 Downloads (Pure)

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

  Gottschalk, S., Ingmer, H. & Thomsen, L. E., Apr 2016, In: Peptides. 78, p. 24-29

  Research output: Contribution to journal › Journal article › Research › peer-review
  3 Citations (Scopus)
• 2015

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

  Gottschalk, S., Gottlieb, C. T., Vestergaard, M., Hansen, P. R., Gram, L., Ingmer, H. & Thomsen, L. E., 1 Dec 2015, In: Journal of Medical Microbiology. 64, 12, p. 1504-1513 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  22 Citations (Scopus)

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

  Gantzhorn, M. R., Olsen, J. E. & Thomsen, L. E., 19 May 2015, In: B M C Microbiology. 15, 9 p., 105.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  13 Citations (Scopus)

  325 Downloads (Pure)

• 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, L. E., Petersen, A., Skov, S., Cameron, D. R., Peleg, A. Y. & Frees, D., Nov 2015, In: Antimicrobial Agents and Chemotherapy. 59, 11, p. 6983-6991 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  61 Citations (Scopus)
• 2014

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

  Gantzhorn, M. R., Pedersen, K., Olsen, J. E. & Thomsen, L. E., 2014, In: International Journal of Food Microbiology. 181, p. 53-59 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  28 Citations (Scopus)

• 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, L. E., Poolman, M., Kilstrup, M., Jensen, P. R. & Olsen, J. E., 2014, In: P L o S One. 9, 7, 7 p., e101869.

  Research output: Contribution to journal › Journal article › Research › peer-review
  33 Citations (Scopus)

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

  Wallrodt, I., Jelsbak, L., Thomsen, L. E., Brix, L., Lemire, S., Gautier, L., Nielsen, D. S., Jovanovic, G., Buck, M. & Olsen, J. E., 2014, In: Journal of Medical Microbiology. 63, 6, p. 788-795 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  14 Citations (Scopus)

• 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-B., Thomsen, L. E., Aabo, S., Rychlik, I. & Olsen, J. E., 2014, In: B M C Microbiology. 14, 9 p., 208.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  19 Citations (Scopus)

  2993 Downloads (Pure)
• 2013

  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, J. E., Aabo, S., Barrow, P., Rychlik, I. & Thomsen, L. E., 2013, In: Microbiology. 159, 7, p. 1497-1509 13 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  28 Citations (Scopus)

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

  Nielsen, M-B., Knudsen, G. M., Danino-Appleton, V., Olsen, J. E. & Thomsen, L. E., 2013, In: Food Microbiology. 33, 2, p. 221-227 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  18 Citations (Scopus)

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

  Kjelstrup, S., Hansen, P. M. P., Thomsen, L. E., Hansen, P. R. & Løbner-Olesen, A., 2013, In: P L o S One. 8, 9, 13 p., e72273.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  24 Citations (Scopus)

  2597 Downloads (Pure)

• 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-B., Thomsen, L. E., Zwietering, M. H., Olsen, J. E. & Pin, C., 2013, In: B M C Microbiology. 13, 16 p., 294.

  Research output: Contribution to journal › Journal article › Research › peer-review
  10 Citations (Scopus)

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

  Jelsbak, L., Thomsen, L. E., Lemire, S. & Olsen, J. E., Jul 2013. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

• 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, P. R., Gram, L., Ingmer, H. & Thomsen, L. E., 2013, In: B M C Microbiology. 13, 8 p., 192.

  Research output: Contribution to journal › Journal article › Research › peer-review
  34 Citations (Scopus)

• 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, L. E., Lemire, S. & Olsen, J. E., 2013, In: P L o S One. 8, 8, 9 p., e70829.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  20 Citations (Scopus)

  505 Downloads (Pure)

• 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, J. E., Hoegh-Andersen, K. H., Casadesús, J., Rosenkrantz, J. T., Chadfield, M. S. & Thomsen, L. E., 2013, In: B M C Microbiology. 13, 11 p., 67.

  Research output: Contribution to journal › Journal article › Research › peer-review
  56 Citations (Scopus)
• 2012

  Adaptation of Salmonella Typhimurium to triclosan

  Gantzhorn, M. R., Olsen, J. E. & Thomsen, L. E., 2012.

  Research output: Contribution to conference › Poster › Research

  File
  1467 Downloads (Pure)

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review
  25 Citations (Scopus)

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

  Gantzhorn, M. R., Pedersen, K., Olsen, J. E. & Thomsen, L. E., 4 Sep 2012.

  Research output: Contribution to conference › Poster › Research

  File
  392 Downloads (Pure)

• Polyamines are required for virulence in Salmonella enterica serovar Typhimurium

  Jelsbak, L., Thomsen, L. E., Wallrodt, I., Jensen, P. R. & Olsen, J. E., 2012, In: PLoS ONE. 7, 4, 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  File
  98 Citations (Scopus)

  647 Downloads (Pure)

• Resistens er ikke det samme...

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

  Research output: Contribution to journal › Journal article › Communication

  File
  246 Downloads (Pure)

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review
  10 Citations (Scopus)
• 2011

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

  Gottschalk, S., Søndergaard, S. L., Hansen, P. R., Ifrah, D., Ingmer, H. & Thomsen, L. E., 2011. 1 p.

  Research output: Contribution to conference › Poster › Research

• Searching for small s^B-regulated genes in Staphylococcus aureus

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

  Research output: Contribution to journal › Journal article › Research › peer-review
  32 Citations (Scopus)
• 2010

  Immobilisation alters the heat shock response of Salmonella typhimurium

  Nielsen, M-B., Knudsen, G. M., Danino-Appelton, V., Hinton, J. CD., Brocklehurst, T., Olsen, J. E. & Thomsen, L. E., 2010. 1 p.

  Research output: Contribution to conference › Poster › Research

  Open Access

  File
  19 Downloads (Pure)

• Impact of immobilisation on virulence of Salmonella typhimurium

  Thomsen, L. E., Nielsen, M-B., Knudsen, G., Danino-Appleton, V., Hinton, J., Brocklehurst, T. & Olsen, J. E., 2010. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

  Open Access

  File
  17 Downloads (Pure)

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

  Frees, D., Nielsen, M-B. & Thomsen, L. E., 2010, Department of Veterinary Disease Biology, University of Copenhagen. 72 p.

  Research output: Book/Report › Compendium/lecture notes › Education

• Polyamine biosynthesis is essential for macrophage cytotoxicity of Salmonella typhimurium

  Jelsbak, L., Thomsen, L. E. & Olsen, J. E., 2010. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

  Open Access

  File
  16 Downloads (Pure)

• 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, L. E., Gottlieb, C. T., Gottschalk, S., Wodskou, T., Kristensen, H-H., Gram, L. & Ingmer, H., 2010, In: BMC Microbiology. 10, 307, 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  18 Citations (Scopus)

  1181 Downloads (Pure)

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

  Knudsen, G., Nielsen, M-B., Grassby, T., Danino-Appleton, V., Thomsen, L. E., Colquhoun, I., Brocklehurst, J., Olsen, J. E. & Hinton, J., 2010. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

  File

• The role of phage-shock proteins in Salmonella Typhimurium virulence

  Schmidt, I., Thomsen, L. E., Jelsbak, L. & Olsen, J. E., 2010. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research
• 2009

  Impact of immobilisation on Salmonella typhimurium virulence

  Nielsen, M-B., Knudsen, G. M., Danino-Appleton, V., Hinton, J. C., Brocklehurst, T., Olsen, J. E. & Thomsen, L. E., 2009. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

  File

• Impact of immobilisation on Salmonella Typhimurium virulence

  Nielsen, M-B., Knudsen, G. M., Danino-Appelton, V., Hinton, J. C. D., Brocklehurst, T., Olsen, J. E. & Thomsen, L. E., 2009. 1 p.

  Research output: Contribution to conference › Poster › Research

  File

• Staphylococcus aureus genes involved in the response to Antimicrobial peptides

  Thomsen, L. E., 2009.

  Research output: Contribution to conference › Poster › Research

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

  Knudsen, G. M., Nielsen, M-B., Grassby, T., Danino-Appleton, V., Thomsen, L. E., Colquhoun, I. J., Brocklehurst, T., Olsen, J. E. & Hinton, J. C., 2009. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

  File

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

  Knudsen, G. M., Nielsen, M-B., Grassby, T., Danino-Appelton, V., Thomsen, L. E., Colquhoun, I. J., Brocklehurst, T., Olsen, J. E. & Hinton, J. C. D., 2009. 1 p.

  Research output: Contribution to conference › Poster › Research

  File
• 2008

  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, L. E., Ingmer, H., Mygind, P. H., Kristensen, H-H. & Gram, L., 2008, In: BMC Microbiology. 8, 205, 32 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  37 Citations (Scopus)

  769 Downloads (Pure)

• Chitin hydrolysis by Listeria spp., including L. monocytogenes

  Leisner, J. J., Larsen, M. H., Jørgensen, R. L., Brøndsted, L., Thomsen, L. E. & Ingmer, H., 2008, In: Applied and Environmental Microbiology. 74, 12, p. 3823-3830 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  44 Citations (Scopus)