Henrik Christensen

Henrik Christensen

Associate Professor

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    ORCID: 0000-0003-4238-4658

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    1. 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

    2. 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

    3. 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

    4. 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

    5. 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

    6. 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

    7. 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

    8. 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

    9. 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

    10. 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

    11. 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

    12. 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

    13. 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

    14. 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

    15. 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

    16. 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

    17. 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

    18. 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

    19. 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

    20. 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

    21. 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

    22. 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

    23. Published

      Population genetics of Salmonella

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

      Research output: Contribution to conference › Paper › Research

    24. 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

    25. 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

    26. 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

    27. 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

    28. 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

    29. 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

    30. 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

    31. 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

    32. 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

    33. 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

    34. 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

    35. 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

    36. Published

      Påvisning af salmonella populationer udfra ribosomale DNA sekvenser

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

      Research output: Contribution to conference › Poster › Research

    37. 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

    38. 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

    39. 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

    40. 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

    41. 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

    42. 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

    43. 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

    44. 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

    45. 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

    46. 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

    47. 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

    48. 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

    49. 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

    50. 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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