Tim Tolker-Nielsen

Tim Tolker-Nielsen

Professor

Member of:


    1. 2024
    2. Published

      Inhibition of Pseudomonas aeruginosa quorum sensing by chemical induction of the MexEF-oprN efflux pump

      Kristensen, Rasmus, Andersen, Jens Bo, Rybtke, Morten Levin, Jansen, C. U., Fritz, Blaine Gabriel, Kiilerich, R. O., Uhd, J., Bjarnsholt, Thomas, Qvortrup, K., Tolker-Nielsen, Tim, Givskov, Michael & Jakobsen, Tim Holm, 2024, In: Antimicrobial Agents and Chemotherapy. 68, 2

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Role of extracellular matrix components in biofilm formation and adaptation of Pseudomonas ogarae F113 to the rhizosphere environment

      Blanco-Romero, E., Garrido-Sanz, D., Durán, D., Rybtke, Morten Levin, Tolker-Nielsen, Tim, Redondo-Nieto, M., Rivilla, R. & Martín, M., 2024, In: Frontiers in Microbiology. 15, 12 p., 1341728.

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. 2023
    5. Published

      A genetic switch controls Pseudomonas aeruginosa surface colonization

      Manner, C., Dias Teixeira, R., Saha, D., Kaczmarczyk, A., Zemp, R., Wyss, F., Jaeger, T., Laventie, B. J., Boyer, S., Malone, J. G., Qvortrup, K., Andersen, Jens Bo, Givskov, Michael, Tolker-Nielsen, Tim, Hiller, S., Drescher, K. & Jenal, U., 2023, In: Nature Microbiology. 8, p. 1520–1533

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. Published

      Challenges in using transcriptome data to study the c-di-GMP signaling network in Pseudomonas aeruginosa clinical isolates

      Gür, M., Erdmann, J., Will, A., Liang, Z., Andersen, Jens Bo, Tolker-Nielsen, Tim & Häussler, S., 2023, In: FEMS Microbes. 4, 10 p., xtad012.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. Published

      Colistin Enhances Rifampicin's Antimicrobial Action in Colistin-Resistant Pseudomonas aeruginosa Biofilms

      Armengol, E., Kragh, K. N., Tolker-Nielsen, Tim, Sierra, J. M., Higazy, Doaa Mohamed Mohamed E, Ciofu, Oana, Viñas, M. & Høiby, Niels, 2023, In: Antimicrobial Agents and Chemotherapy. 67, 4, e0164122.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Protocol to assess metabolic activity of Pseudomonas aeruginosa by measuring heat flow using isothermal calorimetry

      Beilharz, K., Kragh, K. N., Fritz, Blaine Gabriel, Kirkegaard, Julius Bier, Tolker-Nielsen, Tim, Bjarnsholt, Thomas & Lichtenberg, Mads, 2023, In: STAR Protocols. 4, 2, 102269.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      The Bep gene cluster in Burkholderia cenocepacia H111 codes for a water-insoluble exopolysaccharide essential for biofilm formation

      Bellich, B., Terán, L. C., Fazli, M. M., Berti, F., Rizzo, R., Tolker-Nielsen, Tim & Cescutti, P., 2023, In: Carbohydrate Polymers. 301, 120318.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      The non-attached biofilm aggregate

      Kragh, K. N., Tolker-Nielsen, Tim & Lichtenberg, Mads, 2023, In: Communications Biology . 6, 898.

      Research output: Contribution to journalReviewResearchpeer-review

    11. Published

      The role of individual exopolysaccharides in antibiotic tolerance of Pseudomonas aeruginosa aggregates

      Liang, Z., Nilsson, M., Kragh, K. N., Hedal, I., Alcàcer-Almansa, J., Kiilerich, R. O., Andersen, Jens Bo & Tolker-Nielsen, Tim, 2023, In: Frontiers in Microbiology. 14, 1187708.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. 2022
    13. Published

      Chemical Regulation of Pseudomonas aeruginosa Biofilm Formation as a Potential Treatment for Persistent Infections

      Kristensen, Rasmus, Tolker-Nielsen, Tim & Jakobsen, Tim Holm, 2022, Antibiofilm Strategies: Current and Future Applications to Prevent, Control and Eradicate Biofilms. Springer, p. 159-179 (Springer Series on Biofilms; No. 11).

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

    14. Published

      Cyclic-di-GMP signaling controls metabolic activity in Pseudomonas aeruginosa

      Lichtenberg, Mads, Kragh, K. N., Fritz, Blaine Gabriel, Kirkegaard, Julius Bier, Tolker-Nielsen, Tim & Bjarnsholt, Thomas, 2022, In: Cell Reports. 41, 3, p. 111515 1 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    15. Published

      Effects of antibiotic treatment and phagocyte infiltration on development of Pseudomonas aeruginosa biofilm—Insights from the application of a novel PF hydrogel model in vitro and in vivo

      Wu, H., Song, L., Yam, J. K. H., Plotkin, M., Wang, H., Rybtke, Morten Levin, Seliktar, D., Kofidis, T., Høiby, Niels, Tolker-Nielsen, Tim, Song, Z. & Givskov, Michael, 2022, In: Frontiers in Cellular and Infection Microbiology. 12, 826450.

      Research output: Contribution to journalJournal articleResearchpeer-review

    16. Published

      Elevated c-di-GMP Levels and Expression of the Type III Secretion System Promote Corneal Infection by Pseudomonas aeruginosa

      Yam, J. K. H., Aung, T. T., Chua, S. L., Cheng, Y., Kohli, G. S., Zhou, J., Constancias, F., Liu, Y., Cai, Z., Salido, M. M. S., Drautz-Moses, D. I., Rice, S. A., Schuster, S. C., Boo, Z. Z., Wu, B., Kjelleberg, S., Tolker-Nielsen, T., Lakshminarayanan, R., Beuerman, R. W., Yang, L. & 1 others, Givskov, Michael, 2022, In: Infection and Immunity. 90, 8

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      Solid-phase synthesis and biological evaluation of piperazine-based novel bacterial topoisomerase inhibitors

      Flagstad, T., Pedersen, M. T., Jakobsen, Tim Holm, Felding, J., Tolker-Nielsen, Tim, Givskov, Michael, Qvortrup, K. & Nielsen, Thomas Eiland, 2022, In: Bioorganic and Medicinal Chemistry Letters. 57, 128499.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. Published

      The BDSF quorum sensing receptor RpfR regulates Bep exopolysaccharide synthesis in Burkholderia cenocepacia via interaction with the transcriptional regulator BerB

      Steiner, E., Shilling, R. E., Richter, A. M., Schmid, N., Fazli, M., Kaever, V., Jenal, U., Tolker-Nielsen, Tim & Eberl, L., 2022, In: npj Biofilms and Microbiomes. 8, 93.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Transcription of the Alginate Operon in Pseudomonas aeruginosa Is Regulated by c-di-GMP

      Liang, Z., Rybtke, Morten Levin, Kragh, K. N., Johnson, O., Schicketanz, Muriel Leandra, Zhang, Yong, Andersen, Jens Bo & Tolker-Nielsen, Tim, 2022, In: Microbiology Spectrum. 10, 4, 13 p., e00675-22.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. 2021
    21. Published

      Biofilms can act as plasmid reserves in the absence of plasmid specific selection

      Røder, Henriette Lyng, Trivedi, Urvish, Russel, J., Kragh, K. N., Herschend, J., Thalsø-Madsen, I., Tolker-Nielsen, Tim, Bjarnsholt, Thomas, Burmølle, Mette & Madsen, Jonas Stenløkke, 2021, In: npj Biofilms and Microbiomes. 7, 6 p., 78.

      Research output: Contribution to journalLetterResearchpeer-review

    22. Published

      Carbon starvation of Pseudomonas aeruginosa biofilms selects for dispersal insensitive mutants

      Nair, H. A. S., Subramoni, S., Poh, W. H., Hasnuddin, N. T. B., Tay, M., Givskov, Michael, Tolker-Nielsen, Tim, Kjelleberg, S., McDougald, D. & Rice, S. A., 2021, In: BMC Microbiology. 21, 10 p., 255.

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Disruption of the Pseudomonas aeruginosa Tat system perturbs PQS-dependent quorum sensing and biofilm maturation through loss of the Rieske cytochrome bc1 sub-unit

      Soh, E., Smith, F., Gimenez, M. R., Yang, L., Vejborg, R. M., Fletcher, M., Halliday, N., Bleves, S., Heeb, S., Camara, M., Givskov, Michael, Hardie, K. R., Tolker-Nielsen, Tim, Ize, B. & Williams, P., 2021, bioRxiv, 43 p.

      Research output: Working paperPreprintResearch

    24. Published

      Disruption of the Pseudomonas aeruginosa Tat system perturbs PQS-dependent quorum sensing and biofilm maturation through lack of the Rieske cytochrome bc1sub-unit

      Soh, E. Y. C., Smith, F., Gimenez, M. R., Yang, L., Vejborg, R. M., Fletcher, M., Halliday, N., Bleves, S., Heeb, S., Cámara, M., Givskov, Michael, Hardie, K. R., Tolker-Nielsen, Tim, Ize, B. & Williams, P., 2021, In: PLOS Pathogens. 17, 8, 25 p., e1009425.

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Identification of small molecules that interfere with c-di-GMP signaling and induce dispersal of Pseudomonas aeruginosa biofilms

      Andersen, Jens Bo, Hultqvist, Louise Dahl, Jansen, C. U., Jakobsen, Tim Holm, Nilsson, Carl Martin Peter, Rybtke, Morten Levin, Uhd, J., Fritz, Blaine Gabriel, Seifert, R., Berthelsen, J., Nielsen, Thomas Eiland, Qvortrup, K., Givskov, Michael & Tolker-Nielsen, Tim, 2021, In: npj Biofilms and Microbiomes. 7, 13 p., 59.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      Immune Responses to Pseudomonas aeruginosa Biofilm Infections

      Moser, Claus Ernst, Jensen, Peter Østrup, Thomsen, K., Kolpen, M., Rybtke, Morten Levin, Lauland, A. S., Trøstrup, H. & Tolker-Nielsen, Tim, 2021, In: Frontiers in Immunology. 12, 625597.

      Research output: Contribution to journalReviewResearchpeer-review

    27. Published

      Induction of native c-di-GMP phosphodiesterases leads to dispersal of Pseudomonas aeruginosa biofilms

      Andersen, Jens Bo, Kragh, K. N., Hultqvist, Louise Dahl, Rybtke, Morten Levin, Nilsson, Carl Martin Peter, Jakobsen, Tim Holm, Givskov, Michael & Tolker-Nielsen, Tim, 2021, In: Antimicrobial Agents and Chemotherapy. 65, 4, e02431-20.

      Research output: Contribution to journalJournal articleResearchpeer-review

    28. Published

      Nitric-oxide-driven oxygen release in anoxic Pseudomonas aeruginosa

      Lichtenberg, Mads, Line, L., Schrameyer, V., Jakobsen, Tim Holm, Rybtke, Morten Levin, Toyofuku, M., Nomura, N., Kolpen, Mette, Tolker-Nielsen, Tim, Kühl, Michael, Bjarnsholt, Thomas & Jensen, Peter Østrup, 2021, In: iScience. 24, 12, 103404.

      Research output: Contribution to journalJournal articleResearchpeer-review

    29. Published

      Redox protein osar (pa0056) regulates dsbm and the oxidative stress response in pseudomonas aeruginosa

      Liu, Y., Ma, Y., Ma, Z., Han, X., Qi, H., Andersen, Jens Bo, Xu, H., Tolker-Nielsen, Tim & Qiao, M., 2021, In: Antimicrobial Agents and Chemotherapy. 65, 3, e01771-20.

      Research output: Contribution to journalJournal articleResearchpeer-review

    30. Published

      SAR study of 4-arylazo-3,5-diamino-1: H -pyrazoles: identification of small molecules that induce dispersal of Pseudomonas aeruginosa biofilms

      Jansen, C. U., Uhd, J., Andersen, Jens Bo, Hultqvist, Louise Dahl, Jakobsen, Tim Holm, Nilsson, Carl Martin Peter, Nielsen, Thomas Eiland, Givskov, Michael, Tolker-Nielsen, Tim & Qvortrup, K. M., 2021, In: RSC Medicinal Chemistry. 12, 11, p. 1868-1878 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    31. Published
    32. Published

      The biofilm of Burkholderia cenocepacia H111 contains an exopolysaccharide composed of L-rhamnose and L-mannose: Structural characterization and molecular modelling

      Bellich, B., Jou, I. A., Buriola, C., Ravenscroft, N., Brady, J. W., Fazli, M., Tolker-Nielsen, Tim, Rizzo, R. & Cescutti, P., 2021, In: Carbohydrate Research. 499, 108231.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. 2020
    34. Published

      Burkholderia cenocepacia h111 produces a water-insoluble exopolysaccharide in biofilm: Structural determination and molecular modelling

      Bellich, B., Jou, I. A., Caterino, M., Rizzo, R., Ravenscroft, N., Fazli, M., Tolker-Nielsen, Tim, Brady, J. W. & Cescutti, P., 2020, In: International Journal of Molecular Sciences . 21, 5, 1702.

      Research output: Contribution to journalJournal articleResearchpeer-review

    35. 2019
    36. Published

      High levels of cAMP inhibit Pseudomonas aeruginosa biofilm formation through reduction of the c-di-GMP content

      Almblad, H., Rybtke, Morten Levin, Hendiani, S., Andersen, Jens Bo, Givskov, Michael & Tolker-Nielsen, Tim, Mar 2019, In: Microbiology. 165, 3, p. 324-333 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    37. Published

      P. aeruginosa flow-cell biofilms are enhanced by repeated phage treatments but can be eradicated by phage-ciprofloxacin combination: —monitoring the phage–P. aeruginosa biofilms interactions

      Henriksen, K., Rørbo, N., Rybtke, Morten Levin, Martinet, M. G., Tolker-Nielsen, Tim, Høiby, Niels, Middelboe, Mathias & Ciofu, Oana, 2019, In: Pathogens and Disease. 77, 2, 11 p., ftz011.

      Research output: Contribution to journalJournal articleResearchpeer-review

    38. Published

      Inactivation of the pgmA Gene in Streptococcus mutans Significantly Decreases Biofilm-Associated Antimicrobial Tolerance

      Nilsson, Carl Martin Peter, Givskov, Michael, Twetman, Svante & Tolker-Nielsen, Tim, 2019, In: Microorganisms. 7, 9, 12 p., 310.

      Research output: Contribution to journalJournal articleResearchpeer-review

    39. Published

      Increased Intracellular Cyclic di-AMP Levels Sensitize Streptococcus gallolyticus subsp. gallolyticus to Osmotic Stress and Reduce Biofilm Formation and Adherence on Intestinal Cells

      Teh, W. K., Dramsi, S., Tolker-Nielsen, Tim, Yang, L. & Givskov, Michael, 2019, In: Journal of Bacteriology. 201, 6, p. 1-16 16 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. Published

      Key Players and Individualists of Cyclic-di-GMP Signaling in Burkholderia cenocepacia

      Richter, A. M., Fazli, M., Schmid, N., Shilling, R., Suppiger, A., Givskov, Michael, Eberl, L. & Tolker-Nielsen, Tim, 2019, In: Frontiers in Microbiology. 9, 15 p., 3286.

      Research output: Contribution to journalJournal articleResearchpeer-review

    41. Published

      Oxidative stress response plays a role in antibiotic tolerance of Streptococcus mutans biofilms

      Nilsson, Carl Martin Peter, Jakobsen, Tim Holm, Givskov, Michael, Twetman, Svante & Tolker-Nielsen, Tim, 2019, In: Microbiology. 165, 3, p. 334-342

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. Published

      Small Molecule Anti-biofilm Agents Developed on the Basis of Mechanistic Understanding of Biofilm Formation

      Qvortrup, K., Hultqvist, Louise Dahl, Nilsson, Carl Martin Peter, Jakobsen, Tim Holm, Jansen, C. U., Uhd, J., Andersen, Jens Bo, Nielsen, Thomas Eiland, Givskov, Michael & Tolker-Nielsen, Tim, 2019, In: Frontiers in Chemistry. 7, 27 p., 742.

      Research output: Contribution to journalReviewResearchpeer-review

    43. Published

      Sub-lethal antimicrobial photodynamic inactivation affects Pseudomonas aeruginosa PAO1 quorum sensing and cyclic di-GMP regulatory systems

      Hendiani, S., Rybtke, Morten Levin, Tolker-Nielsen, Tim & Kashef, N., 2019, In: Photodiagnosis and Photodynamic Therapy. 27, p. 467-473 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    44. Published

      Tolerance and resistance of pseudomonas aeruginosabiofilms to antimicrobial agents-how P. aeruginosa Can escape antibiotics

      Ciofu, Oana & Tolker-Nielsen, Tim, 2019, In: Frontiers in Microbiology. 10, MAY, 15 p., 913.

      Research output: Contribution to journalReviewResearchpeer-review

    45. Published

      Transposon Mutagenesis in Streptococcus Species

      Nilsson, Carl Martin Peter, Givskov, Michael & Tolker-Nielsen, Tim, 2019, Microbial Transposon Mutagenesis: Protocols and Applications. Humana Press, p. 39-49 11 p. (Methods in Molecular Biology, Vol. 2016).

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

    46. Published

      Two FtsH proteases contribute to fitness and adaptation of pseudomonas aeruginosa Clone C strains

      Kamal, S. M., Rybtke, Morten Levin, Nimtz, M., Sperlein, S., Giske, C., Trček, J., Deschamps, J., Briandet, R., Dini, L., Jänsch, L., Tolker-Nielsen, Tim, Lee, C. & Römling, U., 2019, In: Frontiers in Microbiology. 10, JULY, 18 p., 1372.

      Research output: Contribution to journalJournal articleResearchpeer-review

    47. Published

      Visualizing biofilm by targeting eDNA with long wavelength probe CDr15

      Kwon, H. Y., Kim, J. Y., Liu, X., Lee, J. Y., Yam, J. K. H., Hultqvist, Louise Dahl, Xu, W., Rybtke, Morten Levin, Tolker-Nielsen, Tim, Heo, W., Kim, J. J., Kang, N. Y., Joo, T., Yang, L., Park, S. J., Givskov, Michael & Chang, Y. T., 2019, In: Biomaterials Science. 7, 9, p. 3594-3598 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    48. 2018
    49. Published

      Pseudomonas aeruginosa rhamnolipid induces fibrillation of human α‐synuclein and modulates its effect on biofilm formation

      Andersen, K. K., Vad, B. S., Kjaer, L., Tolker-Nielsen, Tim, Christiansen, G. & Otzen, D. E., May 2018, In: FEBS Letters. 592, 9, p. 1484-1496 13 p.

      Research output: Contribution to journalLetterResearchpeer-review

    50. Published

      A transposon mutant library of Bacillus cereus ATCC 10987 reveals novel genes required for biofilm formation and implicates motility as an important factor for pellicle-biofilm formation

      Okshevsky, M., Louw, M. G., Lamela, E. O., Nilsson, Carl Martin Peter, Tolker-Nielsen, Tim & Meyer, R. L., 2018, In: MicrobiologyOpen. 7, 2, 17 p., e00552.

      Research output: Contribution to journalJournal articleResearchpeer-review

    51. Published

      CDy14: A novel biofilm probe targeting exopolysaccharide Psl

      Kwon, H. Y., Kim, J. Y., Lee, J. Y., Yam, J. K. H., Hultqvist, Louise Dahl, Xu, W., Rybtke, Morten Levin, Tolker-Nielsen, Tim, Kim, J. J., Kang, N. Y., Yang, L., Park, S. J., Givskov, Michael & Chang, Y. T., 2018, In: Chemical Communications. 54, 84, p. 11865-11868 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    52. Published

      Inoculation method could impact the outcome of microbiological experiments

      Kragh, K. N., Alhede, M., Rybtke, Morten Levin, Stavnsbjerg, Camilla, Tolker-Nielsen, Tim, Whiteley, M. & Bjarnsholt, Thomas, 2018, In: Applied and Environmental Microbiology. 84, 5, 14 p., e02264-17.

      Research output: Contribution to journalJournal articleResearchpeer-review

    53. 2017
    54. Published

      Reduced intracellular c-di-GMP content increases expression of quorum sensing-regulated genes in Pseudomonas aeruginosa

      Chua, S. L., Liu, Y., Li, Y., Ting, H. J., Kohli, G. S., Cai, Z., Suwanchaikasem, P., Goh, K. K. K., Ng, S. P., Tolker-Nielsen, Tim, Yang, L. & Givskov, Michael, Oct 2017, In: Frontiers in Cellular and Infection Microbiology. 7, 8 p., 451.

      Research output: Contribution to journalJournal articleResearchpeer-review

    55. Published

      Bacterial Biofilm Control by Perturbation of Bacterial Signaling Processes

      Jakobsen, Tim Holm, Tolker-Nielsen, Tim & Givskov, Michael, Sep 2017, In: International Journal of Molecular Sciences. 18, 9, 27 p., 1970.

      Research output: Contribution to journalReviewResearchpeer-review

    56. Published

      High intracellular c-di-GMP levels antagonize quorum sensing and virulence gene expression in Burkholderia cenocepacia H111

      Schmid, N., Suppiger, A., Steiner, E., Pessi, G., Kaever, V., Fazli, M., Tolker-Nielsen, Tim, Jenal, U. & Eberl, L., 1 May 2017, In: Microbiology. 163, 5, p. 754-764 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    57. Published

      Importance of the exopolysaccharide matrix in antimicrobial tolerance of Pseudomonas aeruginosa aggregates

      Goltermann, Lise & Tolker-Nielsen, Tim, Apr 2017, In: Antimicrobial Agents and Chemotherapy. 61, 4, 7 p., e02696.

      Research output: Contribution to journalJournal articleResearchpeer-review

    58. Published

      Gauging and visualizing c-di-GMP levels in pseudomonas aeruginosa using fluorescence-based biosensors

      Rybtke, Morten Levin, Chua, S. L., Yam, J. K. H., Givskov, Michael, Yang, L. & Tolker-Nielsen, Tim, Jan 2017, c-di-GMP Signaling: Methods and Protocols. Sauer, K. (ed.). Humana Press, Vol. 1657. p. 87-98 12 p. (Methods in Molecular Biology, Vol. 1657).

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

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