John Elmerdahl Olsen

John Elmerdahl Olsen

Professor

  • Veterinary Clinical Microbiology

    Stigbøjlen 4, 1870 Frederiksberg C, 1-20, Building: 411

    Phone: +45 35 33 27 84Mobile: +45 51 25 03 99

  1. 2021
  2. Published

    Genomic analysis of antimicrobial resistance and resistance plasmids in salmonella serovars from poultry in Nigeria

    Jibril, Abdurrahman Hassan, Okeke, I. N., Dalsgaard, Anders, Garcia Menendez, Vanesa & Olsen, John Elmerdahl, 2021, In : Antibiotics. 10, 2, p. 1-22 22 p., 99.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Accepted/In press

    Immunological and bacteriological shifts associated with a flagellin-hyperproducing Salmonella Enteritidis mutant in chickens

    de Oliveira Barbosa, F., de Freitas Neto, O. C., Rodrigues Alves, L. B., Benevides, V. P., de Souza, A. I. S., da Silva Rubio, M., de Almeida, A. M., Saraiva, M. M., de Oliveira, C. J. B., Olsen, John Elmerdahl & Junior, A. B., 2021, (Accepted/In press) In : Brazilian Journal of Microbiology.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. 2020
  5. Published

    A bioinformatic approach to identify core genome difference between Salmonella Pullorum and Salmonella Enteritidis

    Fei, Xiao, Li, Q., Olsen, John Elmerdahl & Jiao, X., 2020, In : Infection, Genetics and Evolution. 85, 104446.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    A plasmid-encoded fetmp-fls iron uptake system confers selective advantages to salmonella enterica serovar typhimurium in growth under iron-restricted conditions and for infection of mammalian host cells

    Garcia Menendez, Vanesa, Herrero Fresno, Ana, Rodicio, R., Felipe-López, A., Montero, I., Olsen, John Elmerdahl, Hensel, M. & Rodicio, M. R., 2020, In : Microorganisms. 8, 5, 15 p., 630.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    A retrospective whole-genome-based study of the epidemiology of Salmonella Dublin in cattle and humans in Denmark 1996-2016

    Kudirkiene, Egle, Sørensen, G., Torpdahl, M., de Knegt, Leonardo Victor, Nielsen, Liza Rosenbaum, Rattenborg, E., Ahmed, S. & Olsen, John Elmerdahl, 2020, In : Applied and Environmental Microbiology. 86, 3, e01894-19.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Association of the prophage BTP1 and the prophage-encoded gene, bstA, with antivirulence of Salmonella Typhimurium ST313

    Spiegelhauer, M. R., Garcia Menendez, Vanesa, Guerra, P. R., Olsen, John Elmerdahl & Herrero Fresno, Ana, 2020, In : Pathogens and Disease. 78, 3, ftaa019.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Combining Salmonella Dublin genome information and contact-tracing to substantiate a new approach for improved detection of infectious transmission routes in cattle populations

    de Knegt, Leonardo Victor, Kudirkiene, Egle, Rattenborg, E., Sørensen, G., Denwood, Matt, Olsen, John Elmerdahl & Nielsen, Liza Rosenbaum, 2020, In : Preventive Veterinary Medicine. 181, 104531 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Dynamics and Outcome of Macrophage Interaction Between Salmonella Gallinarum, Salmonella Typhimurium, and Salmonella Dublin and Macrophages From Chicken and Cattle

    Huang, K., Herrero Fresno, Ana, Skov, Søren & Olsen, John Elmerdahl, 2020, In : Frontiers in Cellular and Infection Microbiology. 9, 12 p., 420.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Effect of ampicillin, cephalexin, ceftiofur and tetracycline treatment on selection of resistant coliforms in a swine faecal microcosmos

    Herrero Fresno, Ana & Olsen, John Elmerdahl, 2020, In : Journal of Applied Microbiology. 129, 5, p. 1238-1247

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Evaluation of novel multiplex qPCR assays for diagnosis of pathogens associated with the bovine respiratory disease complex

    Pansri, P., Katholm, J., Krogh, K. M., Aagaard, A. K., Schmidt, L. M. B., Kudirkiene, Egle, Larsen, Lars & Olsen, John Elmerdahl, 2020, In : Veterinary Journal. 256, 105425.

    Research output: Contribution to journalJournal articleResearchpeer-review

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