Henrik Christensen

Henrik Christensen

Associate Professor

Member of:

    ORCID: 0000-0003-4238-4658

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    1. 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

    2. Published

      Streptococinfektioner - en ny risikofaktor?

      Bisgaard, M. & Christensen, Henrik, 2010, In: Dansk Erhvervsfjerkrae. 39, 2, p. 96-98 3 p.

      Research output: Contribution to journal › Journal article › Research

    3. Published

      A new species of Neisseria associated with respiratory distress in turkeys

      Bisgaard, M., Behr, K. & Christensen, Henrik, 2007. 2 p.

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

    4. Published

      Streptococcus pluranimalium: a new avian pathogen

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

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

    5. Published

      Avibacterium endocarditidis sp. nov., isolated from valvular endocarditis in chickens

      Bisgaard, M., Christensen, Jens Peter, Bojesen, Anders Miki & Christensen, Henrik, 2007, In: International Journal of Systematic and Evolutionary Microbiology. 57, 8, p. 1729-1734 6 p.

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

    6. 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

    7. 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

    8. 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

    9. 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

    10. 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

    11. 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

    12. 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

    13. 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

    14. Published

      Unusual growth variants of Avibacterium paragallinarum

      Blackall, P. J., Christensen, Henrik & Bisgaard, M., 2011, In: Australian Veterinary Journal. 89, 7, p. 273-275 3 p.

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

    15. 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

    16. 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

    17. 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

    18. 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

    19. 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

    20. 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

    21. 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

    22. Published

      Specific identification of Gallibacterium by a PCR using primers targeting the 16S rRNA and 23S rRNA genes

      Bojesen, Anders Miki, Vazquez, M. E., Robles, F., Gonzalez, C., Soriano, E., Olsen, John Elmerdahl & Christensen, Henrik, 2007, In: Veterinary Microbiology. 123, 1-3, p. 262-268 7 p.

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

    23. 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

    24. 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

    25. Published

      Clusters of the Bisgaard taxon 2 and 3 complex demonstrate host specificity

      Bojesen, Anders Miki, Bisgaard, M. & Christensen, Henrik, 2005, Final program & abstract book. p. 416 1 p.

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

    26. 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

    27. Published

      Whole Genome Sequencing (WGS) Analysis of Virulence and AMR Genes in Extended-Spectrum β-Lactamase (ESBL)-Producing Escherichia coli from Animal and Environmental Samples in Four Italian Swine Farms

      Bonvegna, M., Tomassone, L., Christensen, Henrik & Olsen, John Elmerdahl, 2022, In: Antibiotics. 11, 12, 1774.

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

    28. Published

      Revised taxonomy and nomenclature of rodent Pasteurellaceae: Implications for monitoring

      Boot, R., Nicklas, W. & Christensen, Henrik, 2018, In: Laboratory Animals. 52, 3, p. 300-303 4 p.

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

    29. 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

    30. 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

    31. 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

    32. 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

    33. Published

      Characterization and identification of enterococcal strains isolated from disease outbreaks in Broiler Flocks characterized by increased mortality due to septicaemia and Endocarditis and/or alterede production parameters

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

      Research output: Contribution to conference › Paper › Research

    34. 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

    35. Published

      Characterization of streptococci and enterococci associated with septicaemia in broiler parents with a high prevalence of endocarditis

      Chadfield, M. S., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2004, In: Avian Pathology. 33, 6, p. 610-617 8 p.

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

    36. Published

      Characterization of Enterococcus hirae outbreaks in broiler flocks demonstrating increased mortality because of septicemia and endocarditis and/or altered production parameters

      Chadfield, M. S., Christensen, Jens Peter, Juhl-Hansen, J., Christensen, Henrik & Bisgaard, M., 2005, In: Avian Diseases. 49, 1, p. 16-23 8 p.

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

    37. Analysis of fluorescent pseudomonads based on 23S ribosomal DNA sequences

      Christensen, Henrik, Boye, M., Poulsen, L. K. & Rasmussen, O. F., 1994, In: Applied and Environmental Microbiology. 60, 6, p. 2196-9

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

    38. Published

      Påvisning af salmonella populationer udfra ribosomale DNA sekvenser

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

      Research output: Contribution to conference › Poster › Research

    39. Published

      Taxonomy of taxon 9 of Bisgaard isolated from diseased horses and proposal of Actinobacillus hippikon sp. nov.

      Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2001. 1 p.

      Research output: Contribution to conference › Paper › Research

    40. 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

    41. 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

    42. Published

      Comparative phylogenies of the housekeeping genes atpD, infB and rpoB and the 16S rRNA gene within the Pasteurellaceae

      Christensen, Henrik, Kuhnert, P., Olsen, John Elmerdahl & Bisgaard, M., 2004, In: International Journal of Systematic and Evolutionary Microbiology. 54, p. 1601-1609 9 p.

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

    43. Published

      Revised description and classification of atypical isolates of Pasteurella multocida from bovine lungs based on genotypic characterization to include variants previously classified as biovar 2 of Pasteurella canis and Pasteurella avium

      Christensen, Henrik, Angen, Ø., Olsen, John Elmerdahl & Bisgaard, M., 2004, In: Microbiology. 150, p. 1757-1767 11 p.

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

    44. 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

    45. 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

    46. 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

    47. Published

      The Genus Pasteurella

      Christensen, Henrik & Bisgaard, M., 2003, Elektronisk bog ed. 46 p.

      Research output: Book/Report › Book › Research

    48. Published

      Statusrapport for projektåret 1997: effekter af reduceret pesticidforbrug på flora og fauna i agerlandet

      Christensen, Henrik, Esbjerg, Peter, Jensen, A., Johnsen, I., Navntoft, S. & Svenning Petersen, B., 1998, 49 p.

      Research output: Book/Report › Book › Education

    49. 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

    50. 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

    51. 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

    52. 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

    53. 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

    54. 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

    55. Published

      A manual of basic tools in bioinformatics

      Christensen, Henrik & Olsen, John Elmerdahl, 2003, 35 p.

      Research output: Book/Report › Compendium/lecture notes › Education

    56. Published

      Anvendelse af ITS (internal transcribed spacer) fragmentlængde polymorfi til typning indenfor Salmonella og Campylobacter

      Christensen, Henrik, Jørgensen, K., Lange Møller, P. & Olsen, John Elmerdahl, 1997, Ikke angivet. Levnedsmiddelcentret, p. 187 1 p.

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

    57. Published

      Revised phylogeny of pasteurellaceae by 16S rRNA and house-keeping gene sequence comparisons

      Christensen, Henrik, Bisgaard, M. & Olsen, John Elmerdahl, 2002.

      Research output: Contribution to conference › Paper › Research

    58. 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

    59. Published

      16S to 23S rRNA spacer fragment length polymorphism of Salmonella enterica at subspecies and serotype levels

      Christensen, Henrik, Lange Møller, P., Vogensen, Finn Kvist & Olsen, John Elmerdahl, 2000, In: Journal of Applied Microbiology. 89, p. 130-136 7 p.

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

    60. 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

    61. 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

    62. 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

    63. 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

    64. 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

    65. 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

    66. 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

    67. 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

    68. Published

      Revised definition of Actinobacillus sensu stricto isolated from animals: a review with special emphasis on diagnosis

      Christensen, Henrik & Bisgaard, M., 2004, In: Veterinary Microbiology. 99, 1, p. 13-30 18 p.

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

    69. Published

      A manual of basic tools in bioinformatics

      Christensen, Henrik & Olsen, John Elmerdahl, 2003. 34 p.

      Research output: Contribution to conference › Paper › Research

    70. Published

      Sequence variation of the 16S to 23S rRNA spacer region in Salmonella enterica

      Christensen, Henrik, Lange Møller, P., Vogensen, Finn Kvist & Olsen, John Elmerdahl, 2000, In: Research in Microbiology. 151, p. 37-42 6 p.

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

    71. 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

    72. Published

      Counting and size classification of active soil bacteria by fluorescence in situ hybridization with an rRNA oligonucleotide probe

      Christensen, Henrik, Hansen, M. & Sørensen, Jan, 1999, In: Applied and Environmental Microbiology. 65, 4, p. 1753-1761 9 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

      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

    75. Published

      Abstract i forbindelse med præsentation af poster til: Avancerede målesystemer og databehandling til proces- og produktudvikling, 1995, KVL

      Christensen, Henrik & Olsen, John Elmerdahl, 1995

      Research output: Other contribution › Communication

    76. Published

      Bacterial incorporation of tritiated thymidine and populations of bacteriophagous fauna in the rhizosphere of wheat

      Christensen, Henrik, Griffiths, B. & Christensen, Søren, 1992, In: Soil Biology & Biochemistry. 24, 7, p. 703-709

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

    77. 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

    78. Published

      Mannheimia caviae sp. nov., isolated from epidemic conjunctivitis and otitis media in guinea pigs

      Christensen, Henrik, Bojesen, Anders Miki & Bisgaard, M., 2011, In: International Journal of Systematic and Evolutionary Microbiology. 61, 7, p. 1699-1704 6 p.

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

    79. 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

    80. 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

    81. Published

      Rodentibacter

      Christensen, Henrik, Nicklas, W., Bisgaard, M., Boot, R. & Adhikary, S., 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

    82. Published

      Classification and description of four new taxa of Pasteurellaceae associated with Muridae and proposal of a new genus Muribacterium gen. nov: B24

      Christensen, Henrik, Kubnert, P., Korczak, B. M., Fink, M. & Bisgaard, M., 2005. 1 p.

      Research output: Contribution to conference › Poster › Research

    83. 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

    84. 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

    85. 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

    86. Published

      Classification of organisms previously reported as the SP and Stewart-Letscher groups, with descriptions of Necropsobacter gen. nov. and of Necropsobacter rosorum sp. nov., for organisms of the SP group

      Christensen, Henrik, Korczak, B. M., Bojesen, Anders Miki, Kuhnert, P., Frederiksen, W. & Bisgaard, M., 2011, In: International Journal of Systematic and Evolutionary Microbiology. 61, 8, p. 1829-1836 8 p.

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

    87. 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

    88. Published

      3Hthymidine incorporation of rhizosphere bacteria influenced by plant N-status

      Christensen, Henrik & Christensen, Søren, 1994, In: Plant and Soil. 162, 1, p. 113-116

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

    89. 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

    90. 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

    91. Published

      Bacterial production determined by [3H]thymidine incorporation in field rhizospheres as evaluated by comparison to rhizodeposition

      Christensen, Henrik, Rønn, Regin, Ekelund, Flemming & Christensen, Søren, 1995, In: Soil Biology & Biochemistry. 27, 1, p. 93-99

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

    92. Published

      Avian Enterococci and Streptococci: new or old emerging pathogens representing major diagnostic problems

      Christensen, Henrik, Chadfield, M. S., Christensen, Jens Peter & Bisgaard, M., 2007. 1 p.

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

    93. Published

      Classification of Taxon 2 and 3 of Bisgaard with Pasteurellaceae: A23

      Christensen, Henrik, Kubner, P., Bojesen, Anders Miki, Busse, H. & Bisgaard, M., 2005, Pasteurellaceae 2005. American Society of Microbiology, p. 1 1 p.

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

    94. Published

      Caviibacterium

      Christensen, Henrik, Bisgaard, M., Nicklas, W. & Adhikary, S., 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, p. 1-5

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

    95. 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

    96. Published

      Classification of Bisgaard taxon 6 and taxon 10 as Exercitatus varius gen. nov., sp. nov.

      Christensen, Henrik, Sells, S. F., Macglover, C. & Bisgaard, M., 2023, In: International Journal of Systematic and Evolutionary Microbiology. 73, 10, 9 p., 006092.

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

    97. Published

      Volucribacter

      Christensen, Henrik & 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. 1-5

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

    98. 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

    99. Published

      Soil bacterial DNA and biovolume profiles measured by flow-cytometry

      Christensen, Henrik, Bakken, L. R. & Olsen, R. A., 1993, In: FEMS Microbiology Ecology. 102, 3-4, p. 129-140

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

    100. 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

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