Henrik Christensen

Henrik Christensen

Associate Professor

Member of:

    ORCID: 0000-0003-4238-4658

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    1. Published

      International committee on systematics of prokaryotes subcommittee on the taxonomy of Pasteurellaceae minutes of the meetings, 9 october 2018, Prato, Italy

      Kuhnert, P. & Christensen, Henrik, 2019, In: International Journal of Systematic and Evolutionary Microbiology. 69, 3, p. 871-872 003232.

      Research output: Contribution to journal › Comment/debate › Research

    2. Published

      Investigation of taxa of the family Pasteurellaceae isolated from Syrian and European hamsters and proposal of Mesocricetibacter intestinalis gen. nov., sp. nov. and Cricetibacter osteomyelitidis gen. nov., sp. nov

      Christensen, Henrik, Nicklas, W. & Bisgaard, M., 2014, In: International Journal of Systematic and Evolutionary Microbiology. 64, Pt 11, p. 3636-3643 8 p.

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

    3. Published

      Investigation of chicken intestinal bacterial communities by 16S rRNA targeted fluorescence in situ hybridization

      Olsen, K. N., Henriksen, M. M. M., Bisgaard, M., Nielsen, O. L. & Christensen, Henrik, 2008, In: Antonie van Leeuwenhoek. International Journal of General and Molecular Microbiology. 94, 3, p. 423-437 15 p.

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

    4. Published

      Investigation on the Clonalkity of Streptococcus gallinaceous isolated from an outbreak of Septicaemia Associated with High Prevalence of endocarditis in a flock of broiler parents.

      Chadfield, M. S., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2003. 1 p.

      Research output: Contribution to conference › Paper › Research

    5. Published

      Investigations of the pathogenesis of Staphylococcus aureus and Enterococcus faecalis in an experimental footpad infection model in broiler breeders

      Thoefner, Ida , Olsen, Rikke Heidemann, Poulsen, Louise Ladefoged, Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, Oct 2016, Vetpath 2016 conference abstracts. Prato, p. 5-5 1 p.

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

    6. Published

      Investigations on the clonality of isolates of Pasteurella gallinarum obtained from turkeys in Germany

      Bisgaard, M., Christensen, Henrik, Behr, K., Baron, G. & Christensen, Jens Peter, 2005, In: Avian Pathology. 34, 2, p. 106-110 5 p.

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

    7. Published

      Investigations on the existence of a global clone of Enterococcus faecalis associated with amyloid arthropathy in chickens

      Petersen, A., Christensen, Henrik & Bisgaard, M., 2007, . p. 254 1 p.

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

    8. Published

      Investigations on the existence of major phylogenetic lines within Pasteurella multocida as demonstrated by MSLA, rpoB sequencing and 16S rRNA based PCR

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

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

    9. Published

      Investigations on the genetic relationship between subspecies of Pasteurella multocida as demonstrated by ribotyping and 16S rRNA sequencing

      Petersen, K. D., Christensen, Henrik, Christensen, Jens Peter & Bisgaard, M., 1999. 2 p.

      Research output: Contribution to conference › Paper › Research

    10. Published

      Involvement of bacterial quorum-sensing signals in spoilage of bean sprouts

      Rasch, M., Andersen, Jens Bo, Nielsen, K. F., Flodgaard, L. R., Christensen, Henrik, Givskov, Michael & Gram, L., 2005, In: Applied and Environmental Microbiology. 71, 6, p. 3321-30 9 p.

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

    11. Published

      Is characterization of a single isolate sufficient for valid publication of a new genus or species? proposal to modify recommendation 30b of the Bacteriological code (1990 revision)

      Christensen, Henrik, Bisgaard, M., Frederiksen, W., Mutters, R., Kuhnert, P. & Olsen, John Elmerdahl, 2001, In: International Journal of Systematic and Evolutionary Microbiology. 51, p. 2221-2225 5 p.

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

    12. Published

      Judicial Opinion 128

      Arahal, D. R., Bull, C. T., 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, 005797.

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

    13. Published

      Judicial Opinion 129

      Arahal, D. R., Bull, C. T., Christensen, Henrik, Chuvochina, M., Dedysh, S. N., Fournier, P. E., Konstantinidis, K. T., Parker, C. T., Ventosa, A., Young, P. & Göker, M., 2024, In: International Journal of Systematic and Evolutionary Microbiology. 74, 2, 11 p., 006064.

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

    14. Published

      Judicial Opinions 103–111

      Arahal, D. R., Busse, H. J., Bull, C. T., Christensen, Henrik, Chuvochina, M., Dedysh, S. N., Fournier, P. E., Konstantinidis, K. T., Parker, C. T., Rosselló-Móra, R., Ventosa, A. & Göker, M., 2022, In: International Journal of Systematic and Evolutionary Microbiology. 72, 1, 005197.

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

    15. Published

      Judicial Opinions 112–122

      Arahal, D. R., Busse, H. J., Bull, C. T., Christensen, Henrik, Chuvochina, M., Dedysh, S. N., Fournier, P. E., Konstantinidis, K. T., Parker, C. T., Rossello-Mora, R., Ventosa, A. & Göker, M., 2022, In: International Journal of Systematic and Evolutionary Microbiology. 72, 8, 005481.

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

    16. Published

      Judicial Opinions 123–127

      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., 2022, In: International Journal of Systematic and Evolutionary Microbiology. 72, 12, 10 p., 005708.

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

    17. Published

      Longitudinal Study on Causes of Mortality in Danish Broiler Breeders

      Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, 2019, In: Avian Diseases. 63, 3, 400-410.

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

    18. Published

      Longitudinal study of mortality observed in four broiler breeder flocks

      Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, Sep 2015, 19th World Veterinary Poultry Association Congress. Cape Town, p. 148-148 1 p.

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

    19. Published

      Longitudinal study of transmission of Escherichia coli from broiler breeders to broilers

      Poulsen, Louise Ladefoged, Thoefner, Ida , Bisgaard, M., Christensen, Jens Peter, Olsen, Rikke Heidemann & Christensen, Henrik, 2017, In: Veterinary Microbiology. 207, p. 13-18

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

    20. Published

      MALDI-TOF mass spectrometry confirms clonal lineages of Gallibacterium anatis between chicken flocks.

      Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2012, In: Veterinary Microbiology. 160, 1-2, p. 269-273 5 p.

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

    21. Published

      MALDI-TOF mass spectrometry confirms difficulties in separating species of the Avibacterium genus

      Alispahic, M., Christensen, Henrik, Bisgaard, M., Hess, M. & Hess, C., 2014, In: Avian pathology : journal of the W.V.P.A. 43, 3, p. 258-263 6 p.

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

    22. Published

      MLST and MLSA of Enterococcus faecalis isolates demonstrating different lesion types in broiler parents

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

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

    23. Published

      MLST typing of Pasteurella multocida associated with haemorrhagic septicaemia and development of a real-time PCR specific for haemorrhagic septicaemia associated isolates

      Petersen, A., Bisgaard, M., Townsend, K. & Christensen, Henrik, 2014, In: Veterinary Microbiology. 170, 3-4, p. 335-341 7 p.

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

    24. Published

      Mannheimia cairinae sp. nov., a novel species of Mannheimia obtained from Muscovy ducks (Cairina moschata) and reclassification of Mannheimia ovis as heterotypic synonym of Mannheimia pernigra

      Bisgaard, M. & Christensen, Henrik, 2023, In: International Journal of Systematic and Evolutionary Microbiology. 73, 6, 005947.

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

    25. Published

      Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry identifies Gallibacterium species and reveals clonal lineages between chicken flocks

      Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2011, 17th World Veterinary Poultry Congress: Proceedings. p. 179-182 4 p.

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

    26. Published

      Members of the genera Paenibacillus and Rhodococcus harbor genes homologous to enterococcal glycopeptide resistance genes vanA and vanB

      Guardabassi, Luca, Christensen, Henrik, Hasman, H. & Dalsgaard, Anders, 2004, In: Antimicrobial Agents and Chemoterapy. 48, 2, p. 4915-4918 4 p.

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

    27. Published

      Microbiota encompassing putative spoilage bacteria in retail packaged broiler meat and commercial broiler abattoir

      Lauritsen, C. V., Kjeldgaard, J., Ingmer, Hanne, Bisgaard, M. & Christensen, Henrik, 2019, In: International Journal of Food Microbiology. 300, p. 14-21 8 p.

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

    28. Published

      Molecular characterization and phylogenetic study of Newcastle disease virus isolates from recent outbreaks in eastern Uganda

      Otim, M. O., Christensen, Henrik, Jørgensen, P. H., Handberg, K. J. & Bisgaard, M., 2004, In: Journal of Clinical Microbiology. 42, 6, p. 2802-2805 4 p.

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

    29. Published

      Molecular characterization of APEC - a precondition for proper understanding and handling of outbreaks

      Olsen, Rikke Heidemann, Bojesen, Anders Miki, Christensen, Henrik & Bisgaard, M., 2009, Proceedings of the 5th WPSA International Symposium on Turkey Production, Berlin, Germany, 2009. Mensch und Buch Verlag, p. 277-285 9 p.

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

    30. Published

      Molecular classification and its impact on diagnostics and understanding the phylogeny and epidemiology of selected members of Pasteurellaceae of veterinary importance

      Christensen, Henrik & Bisgaard, M., 2010, In: Berliner und Munchener Tierarztliche Wochenschrift. 123, 1/2, p. 20-30 11 p.

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

    31. Published

      Molecular mechanisms of E. coli causing outbreaks of cellulitis in broilers

      Poulsen, Louise Ladefoged, Jørgensen, S. L., Bisgaard, M. & Christensen, Henrik, 2016. 1 p.

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

    32. Published

      Morphological and Genetic Diversity of Trichuris spp. recovered from Humans and Pigs

      Nissen, S., Nejsum, P., Christensen, Henrik, Olsen, A. & Thamsborg, Stig Milan, 2009,  One World, one Health - Parasites in a changing landscape. p. 109-110 1 p.

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

    33. Published

      Morphological and molecular characterization of Trichuris spp. obtained from humans and pigs

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

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

    34. Published

      Multi-locus sequence typing and plasmid profile characterization of avian pathogenic Escherichia coli associated with increased mortality in free-range layer flocks

      Olsen, Rikke Heidemann, Stockholm, N. M., Permin, A., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2011, In: Avian Pathology. 40, 5, p. 437-444 8 p.

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

    35. Published

      Multilocus sequence analysis of Pasteurella multocida demonstrates a type species under development

      Bisgaard, M., Petersen, A. H. H. & Christensen, Henrik, 2013, In: Microbiology. 159, 3, p. 580-590 11 p.

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

    36. Published

      Multilocus sequence phylogenetic analysis of Avibacterium

      Bisgaard, M., Nørskov-Lauritsen, N., Wit, S. J. D., Hess, C. & Christensen, Henrik, 2012, In: Microbiology. 158, 4, p. 993-1004 12 p.

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

    37. Published

      Multilocus sequence typing of Enterococcus faecalis isolates demonstrating different lesion types in broiler breeders

      Olsen, Rikke Heidemann, Petersen, A., Christensen, Henrik & Bisgaard, M., 2010, In: Avian Pathology. 39, 6, p. 435-440 6 p.

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

    38. Published

      Multiple-locus variable-number tandem-repeat analysis (MLVA) typing of Salmonella enterica serovar Typhimurium DT41

      Hansen, E. L., Nielsen, E. M., Christensen, Henrik, Nordentoft, S., Davis, R. H. & Helmuth, R., 2009. 1 p.

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

    39. Published

      Muribacter

      Christensen, Henrik, Nicklas, W. & Bisgaard, 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. 1-6

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

    40. Published

      Mutations in gyrA and parC in Pasteurella multocida with decreased sensitivity to enrofloxacin

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

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

    41. Published

      Navneændringer og nye bakteriearter af veterinær betydning

      Christensen, Henrik, Aabo, S., Aalbæk, Bent, Bisgaard, M. & Olsen, John Elmerdahl, 1999, In: Dansk Veterinærtidsskrift. 82, 4, p. 108-112 5 p.

      Research output: Contribution to journal › Journal article › Research

    42. Published

      Navngivning af sygdomsfremkaldende bakterier

      Christensen, Henrik, Bisgaard, M., Christensen, Jens Peter & Olsen, John Elmerdahl, 2005, In: Naturens Verden. 2, p. 32-39 8 p.

      Research output: Contribution to journal › Journal article › Communication

    43. Published

      Necropsobacter

      Christensen, Henrik, Bisgaard, M. & Kuhnert, P., 2020, Bergey's Manual of Systematics of Archaea and Bacteria. Whitman, W. B., Rainey, F., Kämpfer, P., Trujillo, M., Chun, J., DeVos, P., Hedlund, B. & Dedysh, S. (eds.). Wiley, 6 p.

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

    44. Published

      New V-factor requiring species/taxa of Pasteurellaceae obtained from lesions in different species of birds

      Christensen, Henrik, Blackall, P. & Bisgaard, M., 2007, Ikke angivet. WVPA, p. 246 1 p.

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

    45. Published

      New strategies to prevent and control avian pathogenic Escherichia coli (APEC)

      Christensen, Henrik, Bachmeier, J. & Bisgaard, M., 2021, In: Avian Pathology. 50, 5, p. 370-381

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

    46. Published

      Nye principper for navngivning af bakterier

      Christensen, Henrik, Olsen, John Elmerdahl & Bisgaard, M., 1999, In: Dansk Veterinærtidsskrift. 82, 4, p. 102-107 6 p.

      Research output: Contribution to journal › Journal article › Research

    47. Published

      Observations on the incidence and aetiology of valvular endocarditis in broiler breeders and detection of a newly described taxon of Pasteurellaceae, Avibacterium endocarditidis.

      Bisgaard, M., Bojesen, Anders Miki, Christensen, Jens Peter & Christensen, Henrik, 2010, In: Avian Pathology. 39, 3, p. 177-181 5 p.

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

    48. Published

      Occurrence of Pasteurellaceae bacteria in the oral cavity of selected marine mammal species

      Hansen, M. J., Bertelsen, Mads Frost, Christensen, Henrik, Bisgaard, M. & Bojesen, Anders Miki, 2012, In: Journal of Zoo and Wildlife Medicine. 43, 4, p. 828-835 8 p.

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

    49. Published

      Occurrence of haemolytic Mannheimia spp. in apparently healthy sheep in Norway

      Poulsen, L. L., Reinert, T. M., Sand, R. L., Bisgaard, M., Christensen, Henrik, Olsen, John Elmerdahl, Stuen, S. & Bojesen, Anders Miki, 2006, In: Acta Veterinaria Scandinavica (Print Edition). 48, 19, 7 p.

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

    50. Published

      Occurrence of weak mutators among avian pathogenic Escherichia coli (APEC) isolates causing salpingitis and peritonitis in broiler breeders

      Pires dos Santos, T. M. S., Bisgaard, M., Kyvsgaard, N. C. & Christensen, Henrik, 2014, In: Veterinary Microbiology. 168, 1, p. 141-147 7 p.

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

    51. Published

      Of Hemophilus paragallinarum,Hemophilus somnus, Mannheimia (Pasteurella hemolytica, MannHeimia spp., Pasteurella trehalosi, and Pasteurella multocida.

      Larsen, J., Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2003, Methods in Molecular Biology. p. 216. 27 p.

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

    52. Published

      On the origin and diversity of Newcastle disease virus in Tanzania

      Yongolo, M. G., Christensen, Henrik, Handberg, K., Minga, U. & Olsen, John Elmerdahl, 2011, In: Onderstepoort Journal of Veterinary Research. 78, 1, 8 p.

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

    53. Published

      One for two: A novel and highly sensitive virulence factor-based quantitative polymerase chain reaction assay for the simultaneous detection of Rodentibacter pneumotropicus and Rodentibacter heylii in environmental sample material

      Buchheister, S., Roegener, F., Zschemisch, N. H., Talbot, S. R., Christensen, Henrik & Bleich, A., 2020, In: Laboratory Animals. 54, 3, p. 239-250 12 p.

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

    54. Published

      Outbreaks of pleuritis and peritonitis in calves associated with Pasteurella multocida capsular type B strain

      McFadden, A. M. J., Christensen, Henrik, Fairley, R. A., Hill, F. I. & Spence, R. P., 2011, In: New Zealand Veterinary Journal. 59, 1, p. 40-45 6 p.

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

    55. Published

      PCR detection of [haemophilus] paragallinarum, [H] somnus, Mannheimia (Pasteurella) haemolytica, Mannheimia spp., [P.] trehalosi, and Pasteurella multocida

      Christensen, Henrik, Bisgaard, M., Larsen, J. & Olsen, John Elmerdahl, 2002, PCR detection of microbial pathogens : methods and protocols. Sachse, K. & Frey, J. (eds.). Humana Press, p. 257-274 18 p.

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

    56. Published

      Pasteurella

      Christensen, Henrik, Mutters, R. & Bisgaard, 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. 1-20

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

    57. Published

      Pasteurella

      Christensen, Henrik & Bisgaard, M., 2024, Molecular Medical Microbiology. 3 ed. Elsevier, p. 1637-1656 20 p.

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

    58. Published

      Pasteurella

      Dziva, F. & Christensen, Henrik, 2011, Molecular detection of human bacterial pathogens. Li, D. (ed.). CRC Press, p. 943-955 13 p.

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

    59. Published

      Pasteurellaceae

      Christensen, Henrik, Kuhnert, P., Busse, H., Blackall, P., Bisgaard, M. & Nørskov‐lauritsen, N., 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. 1-26

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

    60. Published

      Pasteurellaceae: biology, genomics and molecular aspects

      Kuhnert, P. & Christensen, Henrik, 2008, Norfolk: Caister Academic Press. 267 p.

      Research output: Book/Report › Book › Research › peer-review

    61. Published

      Pathology and Molecular Characterization of Escherichia Coli Associated With the Avian Salpingitis-Peritonitis Disease Syndrome

      Olsen, Rikke Heidemann, Bisgaard, M., Christensen, Jens Peter, Kabell, S. & Christensen, Henrik, Mar 2016, In: Avian Diseases. 60, 1, p. 1-7 7 p.

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

    62. Published

      Phylogenetic analysis by 16S rDNA gene sequence comparison of avian taxa of Bisgaard and characterization and description of two new taxa of Pasteurellaceae

      Christensen, Henrik, Foster, G., Christensen, Jens Peter, Pennycott, T., Olsen, John Elmerdahl & Bisgaard, M., 2003, In: Journal of Applied Microbiology. 95, 2, p. 354-363 9 p.

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

    63. Published

      Phylogenetic relations of Salmonella established by 23S rRNA gene sequence comparison

      Christensen, Henrik, Nordentoft, S. & Olsen, John Elmerdahl, 1997. 6 p.

      Research output: Contribution to conference › Paper › Research

    64. Published

      Phylogenetic relationship among phenotypes of avian isolates classified as Pasteurella haemolytica or Actinobacillus salpingitidis with proposal of Salpingitia gen. nov.

      Christensen, Henrik, Mutters, R., Piechulla, K. & Bisgaard, M., 1999. 1 p.

      Research output: Contribution to conference › Paper › Research

    65. Published

      Phylogenetic relationship of equine Actinobacillus species and distribution of RTX toxin genes among clusters

      Kuhnert, P., Berthoud, H., Christensen, Henrik, Bisgaard, M. & Frey, J., 2003, In: Veterinary Resource. 34, 3, p. 353-359 4 p.

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

    66. Published

      Phylogenetic relationships of Riemerella anatipestifer serovars and related taxa and an evaluation of specific PCR tests reported for R. anatipestifer

      Christensen, Henrik & Bisgaard, M., 2010, In: Journal of Applied Microbiology. 108, 5, p. 1612-1619 8 p.

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

    67. Published

      Phylogenetic relationships of Salmonella based on DNA sequence comparison of atpD encoding the beta subunit of ATP synthase

      Christensen, Henrik & Olsen, John Elmerdahl, 1998, In: FEMS Microbiology Letters. 161, p. 89-96 8 p.

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

    68. Published

      Phylogenetic relationships of Salmonella based on rRNA sequences

      Christensen, Henrik, Nordentoft, S. & Olsen, John Elmerdahl, 1998, In: International Journal of Systematic and Evolutionary Microbiology. 48, p. 605-610 6 p.

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

    69. Published

      Phylogenetic relationships of unclassified, satellitic Pasteurellaceae obtained from different species of birds as demonstrated by 16S rRNA gene sequence comparison

      Christensen, Henrik, Blackall, P. & Bisgaard, M., 2009, In: Research in Microbiology. 160, 5, p. 315-321 7 p.

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

    70. Published

      Phylogeny of the family Pasteurellaceae based on rpoB sequences

      Korczak, B., Christensen, Henrik, Elmer, S., Frey, J. & Kuhnert, P., 2004, In: International Journal of Systematic and Evolutionary Microbiology. 54, p. 1393-1399 7 p.

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

    71. Published

      Polyamines are essential for virulence in Salmonella enterica serovar Gallinarum despite evolutionary decay of polyamine biosynthesis genes

      Schroll, C., Christensen, Jens Peter, Christensen, Henrik, Pors, S. E., Thorndahl, L., Jensen, P. R., Olsen, John Elmerdahl & Jelsbak, L., 2014, In: ScienceDirect, Veterinary Microbiology. 170, 1-2, p. 144-150 7 p.

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

    72. Published

      Polyphasic taxonomic approach in the description of Alishewanella fetalis gen. nov., sp. nov., isolated from a human foetus

      Vogel, B. F., Venkateswaran, K., Christensen, Henrik, Falsen, E., Christiansen, G. & Gram, L., 2000, In: International Journal of Systematic and Evolutionary Microbiology. 50, p. 1133-1142 10 p.

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

    73. Published

      Population genetics of Salmonella

      Christensen, Henrik & Olsen, John Elmerdahl, 1999. 1 p.

      Research output: Contribution to conference › Paper › Research

    74. Published

      Population structure of Pasteurella multocida epizotics in the avifaunain Scandinavia and possible relationship with P1059 as demonstrated my MLST

      Bisgaard, M., Petersen, A. & Christensen, Henrik, 2007, Ikke angivet. WVPA, p. 248 1 p.

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

    75. Published

      Prediction of Mannheimia haemolytica serotypes based on whole genomic sequences

      Christensen, Henrik, Bisgaard, M., Menke, T., Liman, M., Timsit, E., Foster, G. & Olsen, John Elmerdahl, 2021, In: Veterinary Microbiology. 262, 109232.

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

    76. Published

      Prediction of Pasteurella multocida serotypes based on whole genomic sequences

      Christensen, Henrik, Sajid, S. M., Bisgaard, M., Magistrali, C. F., Massacci, F. R., Liman, M., Menke, T., Bischoff, H. & Olsen, John Elmerdahl, 2022, In: Veterinary Microbiology. 271, 109492.

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

    77. Published

      Presence and diversity of ß-lactamase gene in cat and dog staphylococci

      Malik, S., Christensen, Henrik, Peng, H. & Barton, M. D., 2007, In: Veterinary Microbiology. 123, 1-3, p. 162-168 7 p.

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

    78. Published

      Prevalence and clonal diversity of Actinobacillus salpingtidis/Pasteurella haemolytica-like bacteria in chickens from different production systems

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

      Research output: Contribution to conference › Paper › Research

    79. Published

      Prevalence and genetic characterization of Pasteurellaceae isolated from captive psittacine birds

      Bertelsen, M. F., Bojesen, Anders Miki, Christensen, Henrik & Bisgaard, M., 2007. 1 p.

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

    80. Published

      Prevalence of Potential Pathogenic and Antimicrobial Resistant Escherichia coli in Danish Broilers

      Poulsen, Louise Ladefoged, Bisgaard, M. & Christensen, Henrik, 2023, In: Antibiotics. 12, 2, 344.

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

    81. Published

      Prevalence of Taxa of Pasteurellaceae Among Populations of Healthy Captive Psittacine Birds

      Bisgaard, M., Xin, D., Bertelsen, Mads Frost, Bojesen, Anders Miki & Christensen, Henrik, Mar 2017, In: Avian Diseases. 61, 1, p. 102-106

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

    82. Published

      Proposal for reclassification of Pasteurella Trehalosi at genus level based on phenotypic and genetic comparisons

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

      Research output: Contribution to conference › Poster › Research

    83. Published

      Proposal of Histophilus somni gen. nov., sp.nov. for the three species incertae sedis "Haemiohilus somnus", "Haemophilus agni" and "Histophilus ovis".

      Angen, Ø., Ahrens, P., Kuhnert, P., Christensen, Henrik & Mutters, R., 2003, In: International Journal of Systematic and Evolutionary Microbiology. 53, p. 1449 8 p.

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

    84. Published

      Proposed minimal standards for the description of genera, species and subspecies of Pasteurellaceae

      Christensen, Henrik, Kuhnert, P., Busse, H., Frederiksen, W. C. & Bisgaard, M., 2007, In: International Journal of Systematic and Evolutionary Microbiology. 57, 1, p. 166-178 13 p.

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

    85. Published

      Proposed minimal standards for the use of genome data for the taxonomy of prokaryotes

      Chun, J., Oren, A., Ventosa, A., Christensen, Henrik, Arahal, D. R., da Costa, M. S., Rooney, A. P., Yi, H., Xu, X. W., De Meyer, S. & Trujillo, M. E., 2018, In: International Journal of Systematic and Evolutionary Microbiology. 68, 1, p. 461-466 6 p., 002516.

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

    86. Published

      Påvisning af salmonella populationer udfra ribosomale DNA sekvenser

      Christensen, Henrik & Olsen, John Elmerdahl, 1996. 1 p.

      Research output: Contribution to conference › Poster › Research

    87. Published

      Random amplification of polymorphic DNA and capsular typing of Zimbabwean isolates of Pasteurella multocida

      Dziva, F., Christensen, Henrik, Olsen, John Elmerdahl & Mohan, K., 2000.

      Research output: Contribution to conference › Paper › Research

    88. Published

      Random amplification of polymorphic DNA and phenotypic typing of Zimbabwean isolates of Pasteurella multocida

      Dziva, F., Christensen, Henrik, Olsen, John Elmerdahl & Mohan, K., 2001, In: Veterinary Microbiology. 82, p. 361-372 12 p.

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

    89. Published

      Real-time PCR detection of Enterococcus faecalis  associated with amyloid arthropathy

      Petersen, A. H. H., Bisgaard, M. & Christensen, Henrik, 2010, In: Journal of Applied Microbiology. 51, 1, p. 61-64 4 p.

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

    90. Published

      Reclassification of Actinobacillus muris as Muribacter muris gen. nov., comb. nov.

      Nicklas, W., Bisgaard, M., Aalbæk, Bent, Kuhnert, P. & Christensen, Henrik, 2015, In: International Journal of Systematic and Evolutionary Microbiology. 65, 10, p. 3344-3351 8 p.

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

    91. Published

      Reclassification of Bisgaard taxon 33 with proposal of Avibacterium amazonae gen. nov., sp. nov. as a new member of pasteurellaceae

      Christensen, Henrik, Aalbæk, Bent, Bisgaard, M. & Olsen, John Elmerdahl, 2002, Abstract. 16 ed. p. 29 1 p.

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

    92. Published

      Reclassification of Bisgaard taxon 33, with proposal of Volucribacter psittacicida gen.nov., sp. nov. and Volucribacter amazonae sp. nov. as new members of the Pasteurellaceae

      Christensen, Henrik, Bisgaard, M., Aalbæk, Bent & Olsen, John Elmerdahl, 2004, In: International Journal of Systematic and Evolutionary Microbiology. 54, p. 813-818 6 p.

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

    93. Published

      Reclassification of Bisgaard taxon 37 and taxon 44 as Psittacicella melopsittaci gen. nov., sp. nov., Psittacicella hinzii sp. nov. and Psittacicella gerlachiana sp. nov. within Psittacicellaceae fam. nov. of the order Pasteurellales

      Xin, D., Bisgaard, M., Busse, H. J., Olsen, Rikke Heidemann, Hess, C., Aalbæk, Bent, Olsen, John Elmerdahl & Christensen, Henrik, 2019, In: International Journal of Systematic and Evolutionary Microbiology. 69, 2, p. 350-355 6 p., 003133.

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

    94. Published

      Reclassification of Pasteurella gallinarum, [Haemophilus] paragallinarum, Pasteurella avium and Pasteurella volantium as Avibacterium gallinarum gen. nov., comb. nov., Avibacterium paragallinarum comb. nov., Avibacterium avium comb. nov. and Avibacterirum volantium comb. nov.

      Blackall, P. J., Christensen, Henrik, Beckenham, T., Blackall, L. L. & Bisgaard, M., 2005, In: International Journal of Systematic and Evolutionary Microbiology. 55, p. 353-362 10 p.

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

    95. Published

      Reclassification of [Pasteurella] trehalosi as Bibersteinia trehalosi gen. nov., comb. nov.

      Blackall, P. J., Bojesen, Anders Miki, Christensen, Henrik & Bisgaard, M., 2007, In: International Journal of Systematic and Evolutionary Microbiology. 57, p. 666-674 9 p.

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

    96. Published

      Reclassification of [haemophilus] haemoglobinophilus as canicola haemoglobinophilus gen. Nov., comb. nov. including bisgaard taxon 35

      Christensen, Henrik, Kuhnert, P., Foster, G. & Bisgaard, M., 2021, In: International Journal of Systematic and Evolutionary Microbiology. 71, 7, 004881.

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

    97. Published

      Reclassification of bisgaard taxon 5 as Caviibacterium pharyngocola gen. nov., sp. nov. and bisgaard taxon 7 as conservatibacter flavescens gen. nov., sp. nov

      Adhikary, S., Bisgaard, M., Nicklas, W. & Christensen, Henrik, 2018, In: International Journal of Systematic and Evolutionary Microbiology. 68, 2, p. 643-650 8 p., 002558.

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

    98. Published

      Reclassification of equine isolates previously reported as Actinobacillus equuli, variants of A. equuli, Actinobacillus suis or Bisgaard taxon 11 and proposal of A. equuli subsp. equuli subsp. nov. and A. equuli subsp. haemolyticus subsp. nov.

      Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2002, In: International Journal of Systematic and Evolutionary Microbiology. 52, p. 1569-1576 8 p.

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

    99. Published

      Reduction of bacterial growth by a vesicular-arbuscular mycorrhizal fungus in the rhizosphere of cucumber (Cucumis sativus L.)

      Christensen, Henrik & Jakobsen, I., 1993, In: Biology and Fertility of Soils. 15, 4, p. 253-258

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

    100. Published

      Relation between subspecies of Salmonella enterica by 23S rDNA sequence comparison

      Christensen, Henrik & Olsen, John Elmerdahl, 1996. 1 p.

      Research output: Contribution to conference › Poster › Research

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