Henrik Christensen

Henrik Christensen

Associate Professor

Member of:

    ORCID: 0000-0003-4238-4658

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    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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 conference › Conference abstract for conference › Research

    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 conference › Conference abstract for conference › Research

    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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 conference › Conference abstract for conference › Research

    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 proceeding › Article in proceedings › Research

    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 conference › Paper › Research

    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 journal › Letter › Research › peer-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 conference › Conference abstract for conference › Research

    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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 proceeding › Article in proceedings › Research

    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 proceeding › Article in proceedings › Research

    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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 proceeding › Article in proceedings › Research

    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 conference › Paper › Research

    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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research

    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 journal › Comment/debate › Research

    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 journal › Journal article › Research

    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 journal › Journal article › Research › peer-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 conference › Conference abstract for conference › Research

    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 journal › Journal article › Research › peer-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 journal › Comment/debate › Research › peer-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 journal › Journal article › Communication

    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 proceeding › Conference abstract in proceedings › Research › peer-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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-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 conference › Conference abstract for conference › Research

    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 journal › Journal article › Research › peer-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 conference › Poster › Research

    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 conference › Poster › Research

    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 conference › Poster › Research

    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 journal › Journal article › Research › peer-review

    51. Published

      Experiences to be gained from longitudinal studies of cilinical and pathological observations of fowl cholera and MLST typing of Pasteurella multocida.

      Bisgaard, M., Petersen, A. H. H., Bojesen, Anders Miki, Christensen, Jens Peter & Christensen, Henrik, 2008, 7th international symposium on turkey diseases. Hafez, H. M. (ed.). Verlag der DVG Service, p. 123-132 10 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    52. Published

      Extended-spectrum β-lactamase-producing Escherichia coli isolated from poultry: a review of current problems, illustrated with some laboratory findings

      Olsen, Rikke Heidemann, Bisgaard, M., Löhren, U., Robineau, B. & Christensen, Henrik, 2014, In: Avian Pathology. 43, 3, p. 199-208 10 p.

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

    53. Published

      Field Observations and Experimental Studies on the Pathogenic Potential of Small Colony Variants of Pasteurella multocida

      Bisgaard, M., Petersen, A. H. H., Bojesen, Anders Miki, Christensen, Jens Peter & Christensen, Henrik, 2008. 1 p.

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

    54. Published

      Final classification of Bisgaard taxon 9 as Actinobacillus arthritidis sp. nov. and recognition of a novel genomospecies for equine strains of Actinobacillus lignieresii

      Christensen, Henrik, Bisgaard, M., Angen, Ø. & Olsen, John Elmerdahl, 2002, In: International Journal of Systematic and Evolutionary Microbiology. 52, p. 1239-1246 8 p.

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

    55. Published

      Five new species of Gallibacterum - a diagnostic enigma

      Christensen, Henrik, Korczak, B. M., Kuhnert, P., Busse, H., Bojesen, Anders Miki & Bisgaard, M., 2007. 1 p.

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

    56. Published

      Flow cytometric measurements of cell volumes and DNA contents during culture of indigenous soil bacteria

      Christensen, Henrik, Olsen, R. A. & Bakken, L. R., 1995, In: Microbial Ecology. 29, 1, p. 49-62

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

    57. Published

      Fluoroscence in situ hybridization of chicken intestinal samples with bacterial rRNA targeted oligonucleotide probes

      Olsen, K. N., Francesch, M. & Christensen, Henrik, 2006, Ikke angivet. Romboli, I., Flock, D. & Franchini, A. (eds.). World's Poultry Science Association, 6 p. (World's Poultry Science Journal; No. Suppl.).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    58. Published

      Frederiksenia

      Kuhnert, P., Christensen, Henrik, Bisgaard, M. & Korczak, B. M., 2020, Bergey's Manual of Systematics of Archaea and Bacteria. Trujillo, M. E., Dedysh, S., DeVos, P., Hedlund, B., Kämpfer, P., Rainey, F. A. & Whitman, W. B. (eds.). Wiley, p. 1-4

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    59. Published

      From the [Pasteurella] pneumotropica complex to Rodentibacter spp. an update on [Pasteurella] pneumotropica

      Benga, L., Sager, M. & Christensen, Henrik, 2018, In: Veterinary Microbiology. 217, p. 121-134 14 p.

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

    60. Published

      Further Investigations on the involvement of taxon 14 in upper respiratory tract infections and blepharoconjunctivitis in turkeys

      Bisgaard, M., Günther, R. & Christensen, Henrik, 2007. 2 p.

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

    61. Published

      Gallibacterium

      Bisgaard, M., Christensen, Henrik & Christensen, H., 2020, Bergey's Manual of Systematics of Archaea and Bacteria. Trujillo, M. E., Dedysh, S., DeVos, P., Hedlund, B., Kämpfer, P., Rainey, F. A. & Whitman, W. B. (eds.). Wiley, p. 1-12

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    62. Published

      Genetic Diversity of Gallibacterium anatis Isolates from Different Chicken Flocks

      Bojesen, Anders Miki, Thorpdahl, M., Christensen, Henrik & Olsen, John Elmerdahl, 2003, In: Journal of Clinical Microbiology. June, p. 2737-2740, 6, p. 2737-2740 4 p.

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

    63. Published

      Genetic analysis of Trichuris suis and Trichuris trichiura recovered from humans and pigs in a sympatric setting in Uganda

      Nissen, S., Al-Jubury, Azmi, Hansen, Tina Vicky Alstrup, Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2012, In: Veterinary Parasitology. 188, 1-2, p. 68-77 10 p.

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

    64. Published

      Genetic diversity and associated pathology of Pasteurella multocida isolated from porcine pneumonia

      Pors, S. E., Hansen, Mette Sif, Christensen, Henrik, Jensen, Henrik Elvang, Petersen, A. H. H. & Bisgaard, M., 2011, In: Veterinary Microbiology. 150, 3-4, p. 354-361 8 p.

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

    65. Published

      Genetic diversity and persistance of Enterococcus faecalis obtained from different pathological lesiones in adult chickens as demonstrated by PFGE and MLST

      Bisgaard, M., Hedegaard, L., Petersen, A., Christensen, Henrik, Christensen, Jens Peter & Chadfield, M. S., 2007. 1 p.

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

    66. Published

      Genetic diversity and virulence profiles of Escherichia coli causing salpingitis and peritonitis in broiler breeders

      Pires dos Santos, T. M. S., Bisgaard, M. & Christensen, Henrik, 2013, In: Veterinary Microbiology. 162, 2-4, p. 873-880 8 p.

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

    67. Published

      Genetic diversity of Escherichia coli associated with increased mortality in free-range layers concurrently infected with Histomonas meleagridis as demonstrated by plasmid profiling and multilocus sequence typing (MLST)

      Olsen, Rikke Heidemann, Stockholm, N. M., Permin, A., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 754-756 3 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    68. Published

      Genetic diversity of Pasteurella multocida fowl cholera isolates as demonstrated by ribotyping and 16S rRNA and partial atpD sequence comparisons

      Petersen, K. D., Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2001, In: Microbiology. 147, p. 2739-2748 10 p.

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

    69. Published

      Genetic relationship among avian isolates classified as Pasteurella haemolytica. 'Actinobacillus salpingitidis' or Pasteurella anatis with proposal of Gallibacterium anatis gen. nov., comb. nov. and description of additional genomospecies with Gallibacterium gen. nov

      Christensen, Henrik, Bisgaard, M., Bojesen, Anders Miki, Mutters, R. & Olsen, John Elmerdahl, Jan 2003, In: International Journal of Systematic and Evolutionary Microbiology. 53, 1, p. 275-287 13 p.

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

    70. Published

      Genetic relationships among avian isolates classified as Pasteurella haemolytica, "Actinobacillus salpingitidis" or Pasteurella anatis with proposal of Gallibacterium anatis gen. nov., comb. nov. and discription of additional genomospecies within Gallibacterium gen. nov.

      Christensen, Henrik, Bisgaard, M., Bojesen, Anders Miki, Mutters, R. ;. & Olsen, John Elmerdahl, 2003, In: Int. Journal of Systemtic and Evolutionary Microbiology. (2003) 53, p. 275-287 13 p.

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

    71. Published

      Genetic variation in whipworm (trichuris spp.) populations

      Nissen, S., Nejsum, P., Christensen, Henrik, Olsen, A. & Thamsborg, Stig Milan, 2009. 1 p.

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

    72. Published

      Genetic variation of Trichuris spp. obtained from humans and pigs

      Nissen, S., Al-Jubury, A., Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2010, Congress handbook: the XIIth international congress of parasitology: Australia, 2010. Australian Society for Parasitology, 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

    73. Published

      Genital form off pasteurellosis in breeding turkeys infected during artificial insemination and isolation off an unusual strain of Pasteurella multocida.

      Cariou, N., Christensen, Henrik, Salandre, O., Albaric, O., Bisgaard, M. & Malher, X., 2013, In: Avian Diseases. 57, 3, p. 693-697 5 p.

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

    74. Published

      Geno- and phenotypic diversity of avian isolates of Streptococcus gallolyticus subsp. gallolyticus (Streptococcus bovis) and associated diagnostic problems

      Chadfield, M. S., Christensen, Jens Peter, Decostere, A., Christensen, Henrik & Bisgaard, M., 2007, In: Journal of Clinical Microbiology. 45, 3, p. 822-827 6 p.

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

    75. Published

      Genomic Features and Phylogenetic Analysis of Antimicrobial-Resistant Salmonella Mbandaka ST413 Strains

      Benevides, V. P., Saraiva, M. M. S., Nascimento, C. F., Delgado-Suárez, E. J., Oliveira, C. J. B., Silva, S. R., Miranda, V. F. O., Christensen, Henrik, Olsen, John Elmerdahl & Berchieri Junior, A., 2024, In: Microorganisms. 12, 2, 16 p., 312.

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

    76. Published

      Genomic diversity of Gallibacterium anatis in chicken flocks representing different production systems

      Bojesen, Anders Miki, Thorpdahl, M., Christensen, Henrik, Olsen, John Elmerdahl & Bisgaard, M., 2002, Abstract. 90 ed. p. 77 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    77. Published

      Genotypic heterogeneity of Pasteurella gallinarum as shown by ribotyping and 16S rRNA sequencing

      Christensen, Henrik, Dziva, F., Olsen, John Elmerdahl & Bisgaard, M., 2002, In: Avian Pathology. 31, p. 603-610 8 p.

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

    78. Published

      Genotypical homogeneity among phenotypic variants of Pasteurella multocida, biovars 2 or P. canis and P. avium and isolates misclassified as P. anatis

      Christensen, Henrik, Olsen, John Elmerdahl & Bisgaard, M., 2002, Abstract. 19 ed. p. 29 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    79. Published

      Genus I. Pasteurella

      Mutters, R., Christensen, Henrik & Bisgaard, M., 2005, Bergey's manual of systemativ bacteriology. Brenner, D. J., Krieg, N. R. & Staley, J. T. (eds.). Kluwer Academic Publishers, Vol. 2, part B. p. 857-866 10 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    80. Published

      Glaesserella Australis sp. nov., isolated from the lungs of pigs

      Turni, C., Wu, Y., Omaleki, L., Giang, N., Blackall, P. J. & Christensen, Henrik, 2020, In: International Journal of Systematic and Evolutionary Microbiology. 70, 6, p. 3686-3692 7 p., 004221.

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

    81. Published

      Growth rate of rhizosphere bacteria measured directly by the tritiated thymidine incorporation technique

      Christensen, Henrik, Jensen, Dan Funck & Kjøller, Annelise Helene, 1989, In: Soil Biology and Biochemistry. 21, 1, p. 113-117

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

    82. Published

      Guidelines for interpreting the International Code of Nomenclature of Prokaryotes and for preparing a Request for an Opinion

      Arahal, D. R., Bull, C. T., Busse, H. J., Christensen, Henrik, Chuvochina, M., Dedysh, S. N., Fournier, P. E., Konstantinidis, K. T., Parker, C. T., Rossello-Mora, R., Ventosa, A. & Göker, M., 2023, In: International Journal of Systematic and Evolutionary Microbiology. 73, 3, 005782.

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

    83. Published

      Haemorrhagic septicaemia type B associated outbreak of fowl cholera in turkeys

      Bisgaard, M., Petersen, A., Bojesen, Anders Miki, Christensen, Jens Peter & Christensen, Henrik, 2007. 1 p.

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

    84. Published

      Horses, an overlooked risk factor for serious Streptococcus equi ssp. Zooepidemicus infections in free range chickens

      Bisgaard, M., Bojesen, Anders Miki, Petersen, M. R. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 270-276 7 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    85. Published

      Host response in rabbits to infection with Pasteurella multocida serogroup F strains originating from fowl cholera

      Jaglic, Z., Jeklova, E., Christensen, Henrik, Leva, L., Register, K., Kummer, V., Kucerova, Z., Faldyna, M., Maskova, J. & Nedbalcova, K., 2011, In: Canadian Journal of Veterinary Research. 75, 3, p. 200-208 9 p.

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

    86. Published

      Host specific bacterial lineages of the taxon 2 and 3 complex of Pasteurellaceae demonstrated by amplified fragment lenght polymorphism

      Bojesen, Anders Miki, Christensen, Henrik & Bisgaard, M., 2005. 2 p.

      Research output: Contribution to conference › Poster › Research

    87. Published

      Host-specific bacterial lineages in the taxon 2 and 3 complex of Pasteurellaceae

      Bojesen, Anders Miki, Christensen, Henrik, Nielsen, Søren Saxmose & Bisgaard, M., 2007, In: Systematic and Applied Microbiology. 30, 2, p. 119-127 9 p.

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

    88. Published

      Hvordan opstår og udvikler bakterielle infektioner sig i store fjerkræflokke

      Christensen, Henrik, Olsen, Rikke Heidemann, Pires dos Santos, T. M. S. & Bisgaard, M., 2013, In: Dansk Erhvervsfjerkrae. 42, 4, p. 216-221 6 p.

      Research output: Contribution to journal › Journal article › Research

    89. Published

      Identification and antimicrobial resistance of bacteria isolated from probiotic products used in shrimp culture

      Uddin, G. M. N., Larsen, M. H., Christensen, Henrik, Aarestrup, F. M., Phu, T. M. & Dalsgaard, Anders, 16 Jul 2015, In: PloS one. 10, 7, 21 p., e0132338.

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

    90. Published

      Identification of Gallibacterium speciesby matrix-assisted laser desorption/ ionization time-of-flight mass spectrometryevaluated bymultilocus sequence analysis

      Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2011, In: International Journal of Medical Microbiology. 301, 6, p. 513-522 10 p.

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

    91. Published

      Identification of animal Pasteurellaceae by MALDI-TOF mass spectrometry

      Kuhnert, P., Bisgaard, M., Korczak, B. M., Schwendener, S., Christensen, Henrik & Frey, J., 2012, In: Journal of Microbiological Methods. 89, 1, p. 1-7 7 p.

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

    92. Published

      Identification of host-specific subclones within Mannheimia varigena

      Bojesen, Anders Miki, Bisgaard, M. & Christensen, Henrik, 2005. 1 p.

      Research output: Contribution to conference › Poster › Research

    93. Published

      Identification of lactic acid bacteria from chili bo, a Malaysian food ingredient

      Leisner, Jørgen, Pot, B., Christensen, Henrik, Rusul, G., Olsen, John Elmerdahl, Wee, B. W., Muhamad, K. & Ghazali, M., 1999, In: Applied and Environmental Microbiology. 65, 2, p. 599-605 7 p.

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

    94. Published

      Immunological and molecular techniques used for determination of serotypes in Pasteurellaceae

      Christensen, Henrik, Bossé, J., Angen, Ø., Nørskov-Lauritsen, N. & Bisgaard, M., 2020, Methods in Microbiology. Academic Press, Vol. 47. p. 117-149 (Methods in Microbiology).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    95. Published

      Impact of Escherichia coli vaccine on parent stock mortality, first week mortality of broilers and population diversity of E. coli in vaccinated flocks

      Olsen, Rikke Heidemann, Christensen, Henrik, Ewers, C. & Bisgaard, M., 2010, In: Avian Pathology. 39, 4, p. 287-295 9 p.

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

    96. Published

      Impact of Nobilis Escherichia coli inac vaccine on parent stock mortality, first week mortality of broilers, and population diversity of E. coli in vaccinated flocks

      Olsen, Rikke Heidemann, Christensen, Henrik & Bisgaard, M., 2009. 1 p.

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

    97. Published

      Improved discrimination of Campylobacter jejuni using repetitive element sequence-based PCR typing and comparison with PFGE typing

      Malakauskas, M., Christensen, Henrik, Olsen, John Elmerdahl & Brogren, C., 2008, The 21st International ICFMH Symposium "Evolving Microbial Food Quality and Safety" - Programme and Abstract Book. IUMS/ICFMH, p. 347 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    98. Published

      Improved understanding of diseases asssociated with potential bacterial pathogens of poultry to be gained from multilocus sequence typing (MLST)

      Bisgaard, M., Olsen, Rikke Heidemann & Christensen, Henrik, 2010, European Poultry Conference. 4 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    99. Published

      Infections with Gram positive cocci in broiler breeders: significance and prevalence

      Thoefner, Ida , Poulsen, Louise Ladefoged, Olsen, Rikke Heidemann, Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, Jun 2016, 16th International Conference on Production Diseases in Farm Animals: Book of abstracts. Wageningen, Netherlands: Wageningen Academic Publishers, p. 141-141 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    100. Published

      Influence of the ionophore salinomycin on detection of Clostridium perfringens by PCR in DNA extracted from the gastro intestinal tract of chickens

      Henriksen, M. M. M., Bisgaard, M. & Christensen, Henrik, 2007. 1 p.

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

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