Henrik Christensen

Henrik Christensen

Associate Professor

Member of:


    1. Published

      DNA-DNA hybridization determined in micro-wells using covalent attachment of DNA

      Christensen, Henrik, Angen, Ø., Mutters, R., Olsen, John Elmerdahl & Bisgaard, M., 2000, In: International Journal of Systematic and Evolutionary Microbiology. 50, p. 1095-1102 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    2. Published

      Delineation of the genus Actiobacillus by comparison of partial infB sequences

      Nørskov-Lauritsen, N., Christensen, Henrik, Okkels, H., Killian, M. & Brun, B., 2004, In: International Journal of Systematic and Evolutionary Microbiology. 54, p. 635-644 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Demonstration of antibiotic resistance genes strA, blaTEM, tetA, tetC and sul2 in Avibacterium paragallinarum

      Byarugaba, D. K., Minga, U. M., Gwakisa, P. S., Katunguka-Rwakishaya, E., Bisgaard, M., Christensen, Henrik & Olsen, John Elmerdahl, 2011, In: African Journal of Microbiology Research. 5, 22, p. 3624-3627 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. Published

      Description of Riemerella columbipharyngis sp. nov., isolated from the pharynx of healthy domestic pigeons (Columba livia f. domestica), and emended descriptions of the genus Riemerella, Riemerella anatipestifer and Riemerella columbina

      Rubbenstroth, D., Ryll, M., Hotzel, H., Christensen, Henrik, Knobloch, J. K., Rautenschlein, S. & Bisgaard, M., 2013, In: International Journal of Systematic and Evolutionary Microbiology. 63, 1, p. 280-287 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    5. Published

      Description of Paralactobacillus selangorensis gen. nov., sp. nov., a new lactic acid bacterium isolated from chili bo, a Malaysian food ingredient

      Leisner, Jørgen, Vancanneyt, M., Goris, J., Christensen, Henrik & Rasul, G., 2000, In: International Journal of Systematic and Evolutionary Microbiology. 50, p. 19-24 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. Published

      Detection of Enterococcus feacalis in chicken tissue sections by fluorescent 16S rRNA in situ hybridization

      Pires dos Santos, T. M. S., Pors, S. E., Nielsen, O. L., Christensen, Henrik, Petersen, A., Larsen, J. & Bisgaard, M., 2009. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    7. Published

      Detection of Enterococcus faecalis  ST82 associated with amyloid arthropathy by real-time PCR.

      Petersen, A. H. H., Bisgaard, M. & Christensen, Henrik, 2009. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    8. Detection of Yersinia enterocolitica O:3 in faecal samples and tonsil swabs from pigs using IMS and PCR

      Rasmussen, H. N., Rasmussen, O. F., Christensen, Henrik & Olsen, John Elmerdahl, 1995, In: Journal of Applied Bacteriology. 78, 5, p. 563-8

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      Detection of Gallibacterium spp. in Chickens by Fluorescent 16S rRNA In Situ Hybridization

      Bojesen, Anders Miki, Christensen, Henrik, Nielsen, O. L., Olsen, John Elmerdahl & Bisgaard, M., 2003, In: Journal of Clinical Microbiology. VOl 41, No. 11, 11, p. 5167-5172 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      Detection of a well defined clonal lineage of Pasteurella moltocida associated with fowl cholera by real-time PRR

      Petersen, A., Bisgaard, M., Larsen, J. & Christensen, Henrik, 2009. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    11. Published

      Detection of gallibacterium (Pasteurella anatis, [Actinobacillus] salpingtidis and [P.] haemolytica-like organisms) in chickens by fluorescent 16S rRNA in situ hybridization

      Bojesen, Anders Miki, Christensen, Henrik, Bisgaard, M., Nielsen, O. L. & Olsen, John Elmerdahl, 2002, Abstract. 89 ed. p. 77 1 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    12. Published

      Detection of gallibacterium spp. in chickens by fluorescent 16s in situ hybridizatuib

      Bojesen, Anders Miki, Christensen, Henrik, Nielsen, O. L., Olsen, John Elmerdahl & Bisgaard, M., 2003. 1 p.

      Research output: Contribution to conferencePaperResearch

    13. Detection of pseudomonas in soil by rRNA targeted in situ hybridization

      Christensen, Henrik & Poulsen, L. K., 1994, In: Soil Biology and Biochemistry. 26, 8, p. 1093-1096

      Research output: Contribution to journalLetterResearchpeer-review

    14. Published

      Development of a MLST typing scheme for Mannheimia haemolytica

      Petersen, A. H. H., Bisgaard, M. & Christensen, Henrik, 2008. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    15. Published

      Development of a duplex qPCR for the differentiation of a live attenuated Escherichia coli aroA mutant vaccine strain from field isolates in chickens

      Leurs, K., Goossens, E., Christensen, Henrik, Mainil, J. G., Vancraeynest, D., Ducatelle, R. & Van Immerseel, F., 2022, In: PLoS ONE. 17, 13 p., e0278949.

      Research output: Contribution to journalJournal articleResearchpeer-review

    16. Published

      Development of a multilocus sequence typing (MLST) scheme for Mannheimia haemolytica and assessment of the population structure of isolates obtained from cattle and sheep

      Petersen, A., Christensen, Henrik, Kodjo, A., Weiser, G. C. & Bisgaard, M., 2009, In: Infection, Genetics and Evolution. 9, 4, p. 626-632 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      Development of multi locus sequence typing (MLST) of Rodentibacter pneumotropicus

      Adhikary, S., Bisgaard, M., Boot, R., Benga, L., Nicklas, W. & Christensen, Henrik, 2019, In: Veterinary Microbiology. 231, p. 11-17 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. Published

      Diagnostic and typing options for investigating diseases associated with Pasteurella multocida

      Dziva, F., Muhairwa, A. P., Bisgaard, M. & Christensen, Henrik, 2008, In: Veterinary Microbiology. 128, 1-2, p. 1-22 22 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Differentiation Among Rodentibacter Species Based on 16S-23S rRNA Internal Transcribed Spacer Analysis

      Benga, L., Benten, P. M., Engelhardt, E., Köhrer, K., Hueber, B., Nicklas, W., Christensen, Henrik & Sager, M., 2020, In: Comparative Medicine. 70, 6, p. 487-491 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      Differentiation of Campylobacter coli and C. jejuni by length and DNA sequence of the 16S-23S rRNA internal spacer region

      Christensen, Henrik, Jørgensen, K. & Olsen, John Elmerdahl, 1999, In: Microbiology. 145, p. 99-105 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. Published

      Differentiation of Pasteurella multocida isolates from cases of atrophic rhinitis in pigs from Zimbabwe by RAPD and ribotyping

      Dziva, F., Christensen, Henrik, Leengoed, L. A. M. G. V., Mohan, K. & Olsen, John Elmerdahl, 2004, In: Veterinary Microbiology. (2004): Vol. 102, 1-2, p. 117-122 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    22. Published

      Differentiation of Shewanella putrefaciens and Shewanella alga on the basis of whole-cell protein profiles, rybotyping, phenotypic characterization, and 16S rRNA gene sequence analysis

      Vogel, B. F., Jørgensen, K., Christensen, Henrik, Olsen, John Elmerdahl & Gram, L., 1997, In: Applied and Environmental Microbiology. 63, 6, p. 2189-2199 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Distribution of RTX toxin genes in strains of [Actinobacillus] rossii and [Pasteurella] mairii

      Mayor, D., Korczak, B. M., Christensen, Henrik, Bisgaard, M., Frey, J. & Kuhnert, P., 2006, In: Veterinary Microbiology. 116, 1-3, p. 194-201 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      Distribution of the leukotoxin gene (1ktA) in Mannheimia species isolated from different animal hosts

      Larsen, J., Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2002, Abstract. 91 ed. p. 77-78 2 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    25. Published

      Diversity and biological properties of Salmonella typhimurium DT 41 obtained from broiler breeders in Denmark

      Barua, H., Christensen, Jens Peter, Christensen, Henrik, Lucilia Lindblom, I. & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 214-216 3 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    26. Published

      Diversity and evolution of blaZ from Staphylococcus aureus and coagulase-negative staphylococci

      Olsen, John Elmerdahl, Christensen, Henrik & Aarestrup, F. M., 2006, In: Journal of Antimicrobial Chemotherapy. 57, 3, p. 450-460 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published

      Diversity and population overlap between avian and human Escherichia coli belonging to sequence type 95

      Jørgensen, S. L., Stegger, M., Kudirkiene, E., Lilje, B., Poulsen, Louise Ladefoged, Ronco, T., Dos Santos, T. P., Kiil, K., Bisgaard, M., Pedersen, K., Nolan, L. K., Price, L. B., Olsen, Rikke Heidemann, Andersen, P. S. & Christensen, Henrik, 2019, In: mSphere. 4, 1, 12 p., e00333-18.

      Research output: Contribution to journalJournal articleResearchpeer-review

    28. Published

      Diversity and stability of the genetic population structure of Escherichia coli isolated from broiler production

      Pires dos Santos, T. M. S., Kyvsgaard, N. C., Bisgaard, M. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 770-771 2 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    29. Published

      Diversity of lactic acid bacteria isolated from traditional Malaysian foods

      Leisner, Jørgen, Christensen, Henrik, Olsen, John Elmerdahl, Pot, B., Rusul, G., Wee, B. W., Muhamad, K. & Ghazali, H. M., 1998. 1 p.

      Research output: Contribution to conferencePaperResearch

    30. Published

      Diversity of the tetracycline resistance gene tet(M) and identification of Tn916- and Tn5801-like (Tn6014) transposons in Staphylococcus aureus from humans and animals

      de Vries, Lisbeth Elvira, Christensen, Henrik, Skov, R. L., Aarestrup, F. M. & Agersø, Y., 2009, In: Journal of Antimicrobial Chemotherapy. 64, 3, p. 490-500 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    31. Published

      Draft genome sequence of Gallibacterium anatis bv. haemolytica 12656-12 liver: an isolate obtained from the liver of a septicemic chicken

      Kudirkiene, E., Christensen, Henrik & Bojesen, Anders Miki, 2013, In: Genome Announcements. 1, 5, 2 p., e00810-13.

      Research output: Contribution to journalJournal articleResearchpeer-review

    32. Published

      Draft genome sequence of Streptococcus equi subsp. zooepidemicus strain S31A1, isolated from equine infectious endometritis

      da Piedade, I., Skive, Bolette, Christensen, Henrik & Bojesen, Anders Miki, 2013, In: Genome Announcements. 1, 5, 2 p., e00683-13.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      Draft genome sequences of three Escherichia coli strains with different In Vivo pathogenicities in an avian (Ascending) infection model of the oviduct

      Olsen, Rikke Heidemann, Thoefner, Ida , Pors, S. E., Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, 2015, In: Genome Announcements. 3, 3, 2 p., e00399-15 .

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      Efficacy of a feed additive consisting of endo-1,4-beta-xylanase produced by Trichoderma citrinoviride (IMI SD 135) (HOSTAZYM® X) for sows in order to have benefits in piglets (Huvepharma NV)

      EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), E. P. O. A. A. P. O. S. U. I. A. F. (., 2022, In: EFSA Journal. 20, 3, e07154.

      Research output: Contribution to journalJournal articleResearch

    35. Published

      Efficacy of the feed additive consisting of Lactiplantibacillus plantarum (formerly Lactobacillus plantarum) CECT 8350 and Limosilactobacillus reuteri (formerly Lactobacillus reuteri) CECT 8700 (AQ02) for suckling piglets (Aquilon Cyl S.L.)

      Bampidis, V., Azimonti, G., Bastos, M. D. L., Christensen, H., Dusemund, B., Durjava, M., Kouba, M., López-Alonso, M., López Puente, S., Marcon, F., Mayo, B., Pechová, A., Petkova, M., Sanz, Y., Sanz, Y., Villa, R. E., Woutersen, R., Dierick, N., Martelli, G., Anguita, M. & 5 others, Innocenti, M. L., Ortuño, J., Tarres-Call, J., Firmino, J. P. & EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), E. P. O. A. A. P. O. S. U. I. A. F. (., 2023, In: EFSA Journal. 21, 6, e07862.

      Research output: Contribution to journalComment/debateResearch

    36. Published

      Efficacy of the feed additives consisting of Enterococcus faecium ATCC 53519 and E. faecium ATCC 55593 for all animal species (FEFANA asbl)

      Bampidis, V., Azimonti, G., Bastos, M. D. L., Christensen, H., Durjava, M., Dusemund, B., Kouba, M., López-Alonso, M., López Puente, S., Marcon, F., Mayo, B., Pechová, A., Petkova, M., Sanz, Y., Sanz, Y., Villa, R. E., Woutersen, R., Dierick, N., Anguita, M., Brozzi, R. & 5 others, Fruk, S., Innocenti, M., Revez, J., Ortuño, J. & EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), E. P. O. A. A. P. O. S. U. I. A. F. (., 2023, In: EFSA Journal. 21, 7, e08166.

      Research output: Contribution to journalJournal articleResearch

    37. Published

      Emended description of Actinobacillus capsulatus Arseculeratne 1962, 38AL

      Kuhnert, P., Korczak, B., Christensen, Henrik & Bisgaard, M., 2007, In: International Journal of Systematic and Evolutionary Microbiology. 57, p. 625-632 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    38. Published

      Emended description of Volucribacter and proposal of a new genus related to Volucribacter

      Christensen, Henrik, Korczak, B. M., Kuhnert, P., Bojesen, Anders Miki & Bisgaard, M., 2008.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    39. Published

      Emended description of porcine [Pasteurella] aerogenes, [Pasteurella] mairii and [Actinobacillus] rossii

      Christensen, Henrik, Kuhnert, P., Bisgaard, M., Mutters, R., Dziva, F. & Olsen, John Elmerdahl, 2005, In: International Journal of Systematic and Evolutionary Microbiology. 55, p. 209-223 17 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. Published

      Erratum: Comparative studies on [Pasteurella] testudinis and [P.] testudinis-like bacteria and proposal of Chelonobacter oris gen. nov., sp. nov. as a new member of the family Pasteurellaceae (International Journal of Systematic and Evolutionary Microbiology (2009) vol. 59 (1583-1588) 10.1099/ijs.0.007203-0)

      Gregersen, R. H., Neubauer, C., Christensen, Henrik, Bojesen, Anders Miki, Hess, M. & Bisgaard, M., 2009, In: International Journal of Systematic and Evolutionary Microbiology. 59, 10, p. 2646 1 p.

      Research output: Contribution to journalComment/debateResearchpeer-review

    41. Published

      Escherichia coli associeret sygdom i konsumægsektoren. Kortlægning af faktorer af betydning for sygdomsudviking og sygdomsforebyggelse

      Bisgaard, M., Olsen, Rikke Heidemann, Kyvsgaard, N. C., Christensen, Jens Peter & Christensen, Henrik, 2011, In: Dansk Erhvervsfjerkrae. 39, p. 130-133 4 p.

      Research output: Contribution to journalJournal articleCommunication

    42. Published

      Escherichia coli in industrial poultry production: aspects of transmission and disease development

      Christensen, Jens Peter, Pors, S. E., Papasolomontos, S., Poulsen, Louise Ladefoged, Thoefner, Ida , Olsen, Rikke Heidemann, Christensen, Henrik & Bisgaard, M., Jun 2016, 16th International Conference on Production Diseases in Farm Animals: Book of abstracts. Wageningen Academic Publishers, p. 140 1 p.

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

    43. Published

      Evaluation of PCR and DNA Sequencing for Direct Detection of Clostridium perfringens in the Intestinal Tract of Broilers

      Henriksen, M. M. M., Bisgaard, M., Francesch, M., Gabriel, I. & Christensen, Henrik, 2009, In: Avian Diseases. 53, 3, p. 441-448 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    44. Published

      Evaluation of a fluorescence-labelled oligonucleotide probe targeting 23S rRNA for in situ detection of Salmonella serovars in paraffin-embedded tissue sections and their rapid identification in bacterial smears

      Nordentoft, S., Christensen, Henrik & Wegener, H. C., 1997, In: Journal of Clinical Microbiology. 35, 10, p. 2642-2648 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    45. Published

      Evaluation of the possibilites for naming of 'Muribacter' gen. nov. including 'Muribacter rattus' sp. nov.

      Christensen, Henrik, Kuhnert, P., Korczak, B. M., Olsen, John Elmerdahl & Bisgaard, M., 2008.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    46. Published

      Evidence for vertical inheritance and loss of the leukotoxin operon in genus Mannheimia

      Larsen, J., Pedersen, A. G., Christensen, Henrik, Bisgaard, M., Angen, Ø., Ahrens, P. & Olsen, John Elmerdahl, 2007, In: Journal of Molecular Evolution. 64, 4, p. 423-437 15 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    47. Published

      Evolution of Leukotoxin Regulatory regions in Genus Mannheimia by Interspecies Comparisons

      Larsen, J., Pedersen, A. G., de Lichtenberg, U., Christensen, Henrik, Olsen, John Elmerdahl, Kuhnert, P. & Frey, J., 2005.

      Research output: Contribution to conferencePosterResearch

    48. Published

      Evolution of leukotoxin regulatory regions in genus Mannheimia

      Larsen, J., Pedersen, A. G., Christensen, Henrik, Olsen, John Elmerdahl, Davies, R. L., Kubnert, P. & Frey, J., 2005. 1 p.

      Research output: Contribution to conferencePosterResearch

    49. Published

      Evolution of the Leukotoxin Operon in Genus Mannheimia

      Larsen, J., Pedersen, A. G., Christensen, Henrik, Bisgaard, M., Angen, Ø., Ahrens, P. & Olsen, John Elmerdahl, 2005. 2 p.

      Research output: Contribution to conferencePosterResearch

    50. Published

      Evolution of the leukotoxin promoter in genus Mannheimia

      Larsen, J., Pedersen, A. G., Davies, R. L., Kuhnert, P., Frey, J., Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2009, In: BMC Evolutionary Biology. 9, 121, 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    ID: 4224670