Oana Ciofu

Oana Ciofu

Professor

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    ORCID: 0000-0001-5648-4858

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    1. Published

      Within-host microevolution of Pseudomonas aeruginosa in Italian cystic fibrosis patients

      Marvig, R. L., Dolce, D., Sommer, L. M., Petersen, Bent, Ciofu, Oana, Campana, S., Molin, S., Taccetti, G. & Johansen, Helle Krogh, 19 Oct 2015, In: B M C Microbiology. 15, 13 p., 218.

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

    2. Published

      Use of carbapenems and other antibiotics for pulmonary infections in patients with cystic fibrosis.

      Høiby, Niels, Ciofu, Oana, Jensen, T., Pressler, T., Johansen, Helle Krogh & Koch, C., 1996, In: Pediatric Infectious Disease Journal. 15, 8, p. 738-43 5 p.

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

    3. Published

      Typing of Pseudomonas aeruginosa strains in Norwegian cystic fibrosis patients.

      Fluge, G., Ojeniyi, B., Høiby, Niels, Digranes, A., Ciofu, Oana, Hunstad, E., Haanaes, O. C. & Storrøsten, O. T., 2001, In: Clinical Microbiology and Infection. 7, 5, p. 238-43 5 p.

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

    4. Published

      Tolerance and resistance of microbial biofilms

      Ciofu, Oana, Moser, Claus Ernst, Jensen, Peter Østrup & Høiby, Niels, 2022, In: Nature Reviews Microbiology. 20, p. 621–635

      Research output: Contribution to journal › Review › Research › peer-review

    5. 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 journal › Review › Research › peer-review

    6. Published

      The phenotypic evolution of pseudomonas aeruginosa populations changes in the presence of subinhibitory concentrations of ciprofloxacin

      Wassermann, T., Jørgensen, K. M., Ivanyshyn, K., Bjarnsholt, Thomas, Hossein Khademi, S. M., Jelsbak, L., Høiby, Niels & Ciofu, Oana, 1 May 2016, In: Microbiology. 162, 5, p. 865-875 11 p.

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

    7. Published

      The influence of allotypes on the IgG subclass response to chromosomal beta-lactamase of Pseudomonas aeruginosa in cystic fibrosis patients.

      Ciofu, Oana, Pressler, T., Pandey, J. P. & Høiby, Niels, 1997, In: Clinical and Experimental Immunology. 108, 1, p. 88-94 6 p.

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

    8. Published

      The evolutionary trajectories of P. aeruginosa in biofilm and planktonic growth modes exposed to ciprofloxacin: beyond selection of antibiotic resistance

      Ahmed, M. N., Abdelsamad, A., Wassermann, T., Porse, A., Becker, J., Sommer, M. O. A., Høiby, Niels & Ciofu, Oana, 2020, In: npj Biofilms and Microbiomes. 6, 1, 10 p., 28.

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

    9. Published

      The effect of short-term, high-dose oral N-acetylcysteine treatment on oxidative stress markers in cystic fibrosis patients with chronic P. aeruginosa infection: a pilot study

      Skov, M., Pressler, T., Lykkesfeldt, Jens, Poulsen, Henrik Enghusen, Jensen, Peter Østrup, Johansen, Helle Krogh, Qvist, T., Kræmer, D., Høiby, Niels & Ciofu, Oana, Mar 2015, In: Journal of Cystic Fibrosis. 14, 2, p. 211-218 8 p.

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

    10. Published

      The clonal antibody response to Pseudomonas aeruginosa heat shock protein is highly diverse in cystic fibrosis patients.

      Ulanova, M., Petersen, T. D., Ciofu, Oana, Jensen, P., Hahn-Zoric, M., Hanson, L. A. & Høiby, Niels, 1997, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 105, 6, p. 449-56 7 p.

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

    11. Published

      The clinical impact of bacterial biofilms

      Høiby, Niels, Ciofu, Oana, Johansen, Helle Krogh, Song, Z., Moser, Claus Ernst, Jensen, Peter Østrup, Molin, S., Givskov, Michael, Tolker-Nielsen, Tim & Bjarnsholt, Thomas, 2011, In: International Journal of Oral Science. 3, 2, p. 55-65

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

    12. Published

      Sustainable plant production in a changing world - formation of a cross-faculty network

      Strandmark, L. B., Schjoerring, Jan K., Christensen, Søren, Nybroe, O., Torp, J., Eilenberg, Jørgen, Munk, Lisa, Rønn, Regin, Ciofu, Oana, Bruun, Sander & Ørum, Jens Erik, 2009, In: IOP Conference Series: Earth and Environmental Science. 6, Session 34, 2 p., 342014.

      Research output: Contribution to journal › Conference abstract in journal › Research

    13. Published

      Sustainable plant production in a changing world - a cross Faculty research network at KU

      Strandmark, L. B., Schjoerring, Jan K., Christensen, Søren, Nybroe, O., Pedersen, J. G. T., Eilenberg, Jørgen, Munk, Lisa, Rønn, Regin, Ciofu, Oana, Bruun, Sander & Ørum, Jens Erik, 2009.

      Research output: Contribution to conference › Poster › Research

    14. Published

      Sublethal ciprofloxacin treatment leads to rapid development of high-level ciprofloxacin resistance during long-term experimental evolution of Pseudomonas aeruginosa

      Jørgensen, K. M., Wassermann, T., Jensen, Peter Østrup, Hengzuang, W., Molin, S., Høiby, Niels & Ciofu, Oana, Sep 2013, In: Antimicrobial Agents and Chemotherapy. 57, 9, p. 4215-21 7 p.

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

    15. Published

      Spread of colistin resistant non-mucoid Pseudomonas aeruginosa among chronically infected Danish cystic fibrosis patients.

      Johansen, Helle Krogh, Moskowitz, S. M., Ciofu, Oana, Pressler, T. & Høiby, Niels, 2008, In: Journal of Cystic Fibrosis. 7, 5, p. 391-7 6 p.

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

    16. Published

      Respiratory syncytial virus infection facilitates acute colonization of Pseudomonas aeruginosa in mice

      de Vrankrijker, A. M. M., Wolfs, T. F. W., Ciofu, Oana, Høiby, Niels, van der Ent, C. K., Poulsen, Steen Seier & Johansen, Helle Krogh, 2009, In: Journal of Medical Virology. 81, 12, p. 2096-103 7 p.

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

    17. Published

      Respiratory bacterial infections in cystic fibrosis

      Ciofu, Oana, Hansen, C. R. & Høiby, Niels, May 2013, In: Current Opinion in Pulmonary Medicine. 19, 3, p. 251-8 8 p.

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

    18. Published

      Reinforcement of the bactericidal effect of ciprofloxacin on Pseudomonas aeruginosa biofilm by hyperbaric oxygen treatment

      Kolpen, Mette, Mousavi, N., Sams, T., Bjarnsholt, Thomas, Ciofu, Oana, Moser, Claus Ernst, Kühl, Michael, Høiby, Niels & Jensen, Peter Østrup, 2016, In: International Journal of Antimicrobial Agents. 47, 2, p. 163–167 5 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    19. Published

      Real-Time Monitoring of nfxB Mutant Occurrence and Dynamics in Pseudomonas aeruginosa Biofilm Exposed to Subinhibitory Concentrations of Ciprofloxacin

      Zaborskytė, G., Andersen, Jens Bo, Kragh, K. N. & Ciofu, Oana, Mar 2017, In: Antimicrobial Agents and Chemotherapy. 61, 3, 14 p., e02292-16.

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

    20. Published

      Rapid development in vitro and in vivo of resistance to ceftazidime in biofilm-growing Pseudomonas aeruginosa due to chromosomal beta-lactamase

      Bagge, N., Ciofu, Oana, Skovgaard, Lene Theil & Høiby, Niels, Sep 2000, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 108, 9, p. 589-600 12 p.

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

    21. Published

      RE-SENSITIZATION OF ANOXIC PSEUDOMONAS AERUGINOSA BIOFILMS WITH RE-OXYGENATION USING HYPERBARIC OXYGEN TREATMENT

      Kolpen, Mette, Mousavi, N., Sams, T., Kragh, K. N., Bjarnsholt, Thomas, Ciofu, Oana, Høiby, Niels & Jensen, P. O., Oct 2015, In: Pediatric Pulmonology. 50, S41, p. 312-312 1 p., 322.

      Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

    22. Published

      Quorum sensing and virulence of Pseudomonas aeruginosa during lung infection of cystic fibrosis patients

      Bjarnsholt, Thomas, Jensen, Peter Østrup, Jakobsen, Tim Holm, Phipps, R., Nielsen, A. K., Rybtke, Morten Levin, Tolker-Nielsen, Tim, Givskov, Michael, Høiby, Niels, Ciofu, Oana & Scandinavian Cystic Fibrosis Study Consortium, S. C. F. S. C., 1 Jan 2010, In: PLoS ONE. 5, 4, p. e10115

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

    23. Published

      Quantitative analysis of the IgG and IgG subclass immune responses to chromosomal Pseudomonas aeruginosa beta-lactamase in serum from patients with cystic fibrosis by western blotting and laser scanning densitometry.

      Petersen, T. D., Ciofu, Oana, Pressler, T., Giwercman, B., Pedersen, S. S. & Høiby, Niels, 1996, In: Thorax. 51, 7, p. 733-8 5 p.

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

    24. Published

      Pseudomonas aeruginosa isolates from patients with cystic fibrosis have different beta-lactamase expression phenotypes but are homogeneous in the ampC-ampR genetic region.

      Campbell, J. I., Ciofu, Oana & Høiby, Niels, 1997, In: Antimicrobial Agents and Chemotherapy. 41, 6, p. 1380-4 4 p.

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

    25. Published

      Pseudomonas aeruginosa chromosomal beta-lactamase in patients with cystic fibrosis and chronic lung infection. Mechanism of antibiotic resistance and target of the humoral immune response.

      Ciofu, Oana, 2003, In: APMIS : Acta pathologica, microbiologica et immunologica Scandinavica. Supplementum. 116, p. 1-47 46 p.

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

    26. Published

      Pseudomonas aeruginosa biofilms in cystic fibrosis

      Høiby, Niels, Ciofu, Oana & Bjarnsholt, Thomas, 1 Nov 2010, In: Future Microbiology. 5, p. 1663-74 12 p.

      Research output: Contribution to journal › Review › Research › peer-review

    27. Published

      Pseudomonas aeruginosa biofilms exposed to imipenem exhibit changes in global gene expression and beta-lactamase and alginate production.

      Bagge, N., Schuster, M., Hentzer, M., Ciofu, Oana, Givskov, Michael, Greenberg, E. P. & Høiby, Niels, 2004, In: Antimicrobial Agents and Chemotherapy. 48, 4, p. 1175-87 12 p.

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

    28. Published

      Pseudomonas aeruginosa and the in vitro and in vivo biofilm mode of growth.

      Høiby, Niels, Johansen, Helle Krogh, Moser, C., Song, Z., Ciofu, Oana & Kharazmi, A., 2001, In: Microbes and Infection. 3, 1, p. 23-35 12 p.

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

    29. Published

      Pseudomonas aeruginosa alginate is refractory to Th1 immune response and impedes host immune clearance in a mouse model of acute lung infection.

      Song, Z., Wu, H., Ciofu, Oana, Kong, K., Høiby, Niels, Rygaard, J., Kharazmi, A. & Mathee, K., 2003, In: Journal of Medical Microbiology. 52, Pt 9, p. 731-40 9 p.

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

    30. Published

      Proteome-wide antigen discovery of novel protective vaccine candidates against Staphylococcus aureus infection

      Rasmussen, K. J., Mattsson, A. H., Pilely, K., Asferg, C. A., Ciofu, Oana, Vitved, L., Koch, C. & Kemp, M., 31 Aug 2016, In: Vaccine. 34, 38, p. 4602-4609 8 p.

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

    31. Published

      Poor antioxidant status exacerbates oxidative stress and inflammatory response to Pseudomonas aeruginosa lung infection in Guinea Pigs

      Jensen, Peter Østrup, Lykkesfeldt, Jens, Bjarnsholt, Thomas, Hougen, H. P., Høiby, Niels & Ciofu, Oana, 2012, In: Basic & Clinical Pharmacology & Toxicology. 110, 4, p. 353-358 6 p.

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

    32. Published

      Polymorphonuclear leucocytes consume oxygen in sputum from chronic Pseudomonas aeruginosa pneumonia in cystic fibrosis

      Kolpen, Mette, Hansen, C. R., Bjarnsholt, Thomas, Moser, C., Hultqvist, Louise Dahl, van Gennip, M., Ciofu, Oana, Mandsberg, L., Kharazmi, A., Döring, G., Givskov, Michael, Høiby, Niels & Jensen, Peter Østrup, 1 Jan 2010, In: Thorax. 65, 1, p. 57-62 6 p.

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

    33. Published

      Polymicrobial infections can select against Pseudomonas aeruginosa mutators because of quorum-sensing trade-offs

      Luján, A. M., Paterson, S., Hesse, E., Sommer, L. M., Marvig, R. L., Sharma, M. D., Alseth, E. O., Ciofu, Oana, Smania, A. M., Molin, S., Johansen, Helle Krogh & Buckling, A., 2022, In: Nature Ecology and Evolution. 6, p. 979–988

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

    34. Published

      Physiological levels of nitrate support anoxic growth by denitrification of Pseudomonas aeruginosa at growth rates reported in cystic fibrosis lungs and sputum

      Line, L., Alhede, M., Kolpen, Mette, Kühl, Michael, Ciofu, Oana, Bjarnsholt, Thomas, Moser, Claus Ernst, Toyofuku, M., Nomura, N., Høiby, Niels & Jensen, Peter Østrup, 2014, In: Frontiers in Microbiology. 5, 11 p., 554.

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

    35. Published

      Phenotypic shift in Pseudomonas aeruginosa populations from cystic fibrosis lungs after 2-week antipseudomonal treatment

      Fernandez-Barat, L., Ciofu, Oana, Kragh, K. N., Pressler, T., Johansen, U., Motos, A., Torres, A. & Høiby, Niels, Mar 2017, In: Journal of Cystic Fibrosis. 16, 2, p. 222-229

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

    36. Published

      Phenotypes selected during chronic lung infection in cystic fibrosis patients: implications for the treatment of Pseudomonas aeruginosa biofilm infections

      Ciofu, Oana, Mandsberg, L. F., Wang, H. & Høiby, Niels, Jul 2012, In: F E M S Immunology and Medical Microbiology. 65, 2, p. 215-225 11 p.

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

    37. Published

      Pharmacokinetics/pharmacodynamics of colistin and imipenem on mucoid and nonmucoid Pseudomonas aeruginosa biofilms

      Hengzhuang, W., Wu, H., Ciofu, Oana, Song, Z., Høiby, Niels & Wang, H., Sep 2011, In: Antimicrobial Agents and Chemotherapy. 55, 9, p. 4469-74 6 p.

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

    38. Published

      Pharmacokinetics/Pharmacodynamics of Colistin and Imipenem on Mucoid and Nonmucoid Pseudomonas aeruginosa Biofilms

      Hengzhuang, W., Wu, H., Ciofu, Oana, Song, Z. & Høiby, Niels, 1 Sep 2011, In: Antimicrobial Agents and Chemotherapy. 55, 9, p. 4469-74 6 p.

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

    39. Published

      Pharmacokinetics and pharmacodynamics of antibiotics in biofilm infections of Pseudomonas aeruginosa in vitro and in vivo

      Hengzhuang, W., Høiby, Niels & Ciofu, Oana, 2014, In: Methods in molecular biology (Clifton, N.J.). 1147, p. 239-54 16 p.

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

    40. Published

      P. aeruginosa in the paranasal sinuses and transplanted lungs have similar adaptive mutations as isolates from chronically infected CF lungs

      Ciofu, Oana, Johansen, Helle Krogh, Aanæs, Kasper, Wassermann, T., Alhede, M., von Buchwald, Christian & Høiby, Niels, 8 Mar 2013, In: Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society. 12, 6, p. 729-736 8 p.

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

    41. Published

      OligoG CF-5/20 disruption of mucoid Pseudomonas aeruginosa biofilm in a murine lung infection model

      Wang, H., Song, Z., Ciofu, Oana, Onsøyen, E., Rye, P. D. & Høiby, Niels, 2016, In: Antimicrobial Agents and Chemotherapy. 60, 5, p. 2620-2626 7 p.

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

    42. Published

      Occurrence of hypermutable Pseudomonas aeruginosa in cystic fibrosis patients is associated with the oxidative stress caused by chronic lung inflammation.

      Ciofu, Oana, Riis, B., Pressler, T., Poulsen, Henrik Enghusen & Høiby, Niels, 2005, In: Antimicrobial Agents and Chemotherapy. 49, 6, p. 2276-82 6 p.

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

    43. Published

      Novel mouse model of chronic Pseudomonas aeruginosa lung infection mimicking cystic fibrosis

      Hoffmann, N., Rasmussen, T. B., Jensen, Peter Østrup, Stub, C., Hentzer, M., Molin, S., Ciofu, Oana, Givskov, Michael, Johansen, Helle Krogh & Høiby, Niels, 2005, In: Infection and Immunity. 73, 4, p. 2504-14 11 p.

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

    44. Published

      Novel experimental Pseudomonas aeruginosa lung infection model mimicking long-term host-pathogen interactions in cystic fibrosis

      Moser, C., Gennip, M. V., Bjarnsholt, Thomas, Jensen, Peter Østrup, Lee, B., Hougen, H. P., Calum, H., Ciofu, Oana, Givskov, Michael, Molin, S. & Høiby, Niels, 1 Feb 2009, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 117, 2, p. 95-107 13 p.

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

    45. Published

      Novel experimental Pseudomonas aeruginosa infection model mimicking long-term host-pathogen interactions in cystic fibrosis.

      Moser, Claus Ernst, van Gennip, M., Bjarnsholt, Thomas, Jensen, P. Ø., Lee, B., Hougen, H. P., Calum, Henrik Pierre, Ciofu, Oana, Givskov, Michael & Høiby, Niels, 2009, In: A P M I S. Acta Pathologica, Microbiologica et Immunologica Scandinavica. 117, p. 95-107 13 p.

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

    46. Published

      Mucoid conversion of Pseudomonas aeruginosa by hydrogen peroxide: a mechanism for virulence activation in the cystic fibrosis lung.

      Mathee, K., Ciofu, Oana, Sternberg, C., Lindum, P. W., Campbell, J. I., Jensen, P., Johnsen, A. H., Givskov, Michael, Ohman, D. E., Molin, S., Høiby, Niels & Kharazmi, A., 1999, In: Microbiology. 145 ( Pt 6), p. 1349-57 8 p.

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

    47. Published

      Mucoid Pseudomonas aeruginosa isolates maintain the biofilm formation capacity and the gene expression profiles during the chronic lung infection of CF patients

      Lee, B., Schjerling, C. K., Kirkby, N., Hoffmann, N., Borup, R., Molin, S., Høiby, Niels & Ciofu, Oana, 2011, In: Acta Pathologica Microbiologica et Immunologica Scandinavica. 119, 4-5, p. 263-74 12 p.

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

    48. Published

      Molecular mechanisms of fluoroquinolone resistance in Pseudomonas aeruginosa isolates from cystic fibrosis patients.

      Jalal, S., Ciofu, Oana, Høiby, Niels, Gotoh, N. & Wretlind, B., 2000, In: Antimicrobial Agents and Chemotherapy. 44, 3, p. 710-2 2 p.

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

    49. Published

      Molecular epidemiology of chronic Pseudomonas aeruginosa airway infections in cystic fibrosis

      Cramer, N., Wiehlmann, L., Ciofu, Oana, Tamm, S., Høiby, Niels & Tümmler, B., Nov 2012, In: PLOS ONE. 7, 11, e50731.

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

    50. Published

      Molecular epidemiology and dynamics of Pseudomonas aeruginosa populations in lungs of cystic fibrosis patients.

      Jelsbak, L., Johansen, Helle Krogh, Frost, A., Thøgersen, R., Thomsen, Line Elnif, Ciofu, Oana, Yang, L., Haagensen, J. A. J., Høiby, Niels & Molin, S., 2007, In: Infection and Immunity. 75, 5, p. 2214-24 10 p.

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

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