Henrik Christensen

Henrik Christensen

Associate Professor

Member of:

    ORCID: 0000-0003-4238-4658

    Publication year:
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    1 - 50 out of 382Page size: 50
    1. 1989
    2. 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

    3. 1992
    4. 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

    5. 1993
    6. Published

      Conversion factors for the thymidine incorporation technique estimated with bacteria in pure culture and on seedling roots

      Christensen, Henrik, 1993, In: Soil Biology and Biochemistry. 25, 8, p. 1085-1096

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

    7. 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

    8. 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

    9. 1994
    10. 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

    11. 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

    12. 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

    13. 1995
    14. 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

    15. 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

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

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

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

    17. 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

    18. 1996
    19. Published

      Påvisning af salmonella populationer udfra ribosomale DNA sekvenser

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

      Research output: Contribution to conference › Poster › Research

    20. 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

    21. 1997
    22. Published

      A ¤typing concept for Salmonella

      Olsen, John Elmerdahl, Lau Baggesen, D., Christensen, Henrik & Platt, D. J., 1997. 1 p.

      Research output: Contribution to conference › Paper › Research

    23. 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

    24. Published

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

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

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

    25. Published

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

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

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

    26. 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

    27. 1998
    28. Published

      A ¤typing concept for Salmonella

      Olsen, John Elmerdahl, Lau Baggesen, D., Christensen, Henrik & Platt, D. J., 1998, EUR. Aspán, A. & Mulder, R. W. A. W. (eds.). 18209 ed. Publications Office, p. 97-103 7 p.

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

    29. Published

      Diversity of lactic acid bacteria isolated from traditional Malaysian foods

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

      Research output: Contribution to conference › Paper › Research

    30. Published

      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

    31. 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

    32. 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

    33. 1999
    34. 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

    35. 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

    36. Published

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

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

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

    37. 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

    38. 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

    39. 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

    40. 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

    41. Published

      Population genetics of Salmonella

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

      Research output: Contribution to conference › Paper › Research

    42. Published

      Studies on the phylogenetic relationship of equine isolates classified as Actinobacillus sensu stricto

      Bisgaard, M., Christensen, Henrik & Angen, Ø., 1999. 1 p.

      Research output: Contribution to conference › Paper › Research

    43. 2000
    44. 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

    45. 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

    46. Published

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

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

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

    47. 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

    48. 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

    49. 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

    50. 2001
    51. Published

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

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

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

    52. 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

    53. 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

    54. Published

      Specific detection of Pasteurella multocida in chickens with fowl cholera and in pig lung tissues using fluorescent rRNA in situ hybridization

      Mbuthia, P. G., Christensen, Henrik, Boye, M., Dumong Petersen, K. M., Bisgaard, M., Nyaga, P. N. & Olsen, John Elmerdahl, 2001, In: Journal of Clinical Microbiology. 39, 7, p. 2627-2633 7 p.

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

    55. Published

      Studies on the prevalence of Riemerella anatipestifer in the upper respiratory tract of clinically healthy ducklings and characterization of untypable strains

      Ryll, M., Christensen, Henrik, Bisgaard, M., Christensen, Jens Peter, Hinz, K. & Köhler, B., 2001, In: Zoonoses and Public Health. 48, p. 537-546 10 p.

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

    56. 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

    57. 2002
    58. 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

    59. Published

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

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

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

    60. 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

    61. 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

    62. 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

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    ID: 4224670