Henrik Christensen

Henrik Christensen

Associate Professor

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    ORCID: 0000-0003-4238-4658

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    1. 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

    2. 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

    3. 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

    4. 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

    5. Published

      A manual of basic tools in bioinformatics

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

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

    6. 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

    7. 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

    8. 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

    9. 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

    10. 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

    11. 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

    12. 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

    13. 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

    14. 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

    15. 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

    16. 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

    17. 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

    18. 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

    19. Published

      A manual of basic tools in bioinformatics

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

      Research output: Contribution to conference › Paper › Research

    20. 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

    21. 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

    22. 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

    23. Published

      Population genetics of Salmonella

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

      Research output: Contribution to conference › Paper › Research

    24. 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

    25. 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

    26. 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

    27. 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

    28. 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

    29. 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

    30. 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

    31. 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

    32. 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

    33. 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

    34. 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

    35. 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

    36. 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

    37. 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

    38. 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

    39. 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

    40. 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

    41. 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

    42. 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

    43. 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

    44. 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

    45. 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

    46. 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

    47. 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

    48. 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

    49. 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

    50. 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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