Henrik Christensen
Associate Professor
Veterinary Clinical Microbiology
Stigbøjlen 4, 1870 Frederiksberg C
Member of:
- 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
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Extended-spectrum β-lactamase-producing Escherichia coli isolated from poultry: a review of current problems, illustrated with some laboratory findings
Olsen, Rikke Heidemann, Bisgaard, M., Löhren, U., Robineau, B. & Christensen, Henrik, 2014, In: Avian Pathology. 43, 3, p. 199-208 10 p.Research output: Contribution to journal › Review › Research › peer-review
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Field Observations and Experimental Studies on the Pathogenic Potential of Small Colony Variants of Pasteurella multocida
Bisgaard, M., Petersen, A. H. H., Bojesen, Anders Miki, Christensen, Jens Peter & Christensen, Henrik, 2008. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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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
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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
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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. 49-62Research output: Contribution to journal › Journal article › Research › peer-review
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Fluoroscence in situ hybridization of chicken intestinal samples with bacterial rRNA targeted oligonucleotide probes
Olsen, K. N., Francesch, M. & Christensen, Henrik, 2006, Ikke angivet. Romboli, I., Flock, D. & Franchini, A. (eds.). World's Poultry Science Association, 6 p. (World's Poultry Science Journal; No. Suppl.).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Frederiksenia
Kuhnert, P., Christensen, Henrik, Bisgaard, M. & Korczak, B. 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. 1-4Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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From the [Pasteurella] pneumotropica complex to Rodentibacter spp. an update on [Pasteurella] pneumotropica
Benga, L., Sager, M. & Christensen, Henrik, 2018, In: Veterinary Microbiology. 217, p. 121-134 14 p.Research output: Contribution to journal › Review › Research › peer-review
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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
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Gallibacterium
Bisgaard, M., Christensen, Henrik & Christensen, H., 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. 1-12Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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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
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Genetic analysis of Trichuris suis and Trichuris trichiura recovered from humans and pigs in a sympatric setting in Uganda
Nissen, S., Al-Jubury, Azmi, Hansen, Tina Vicky Alstrup, Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2012, In: Veterinary Parasitology. 188, 1-2, p. 68-77 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Genetic diversity and associated pathology of Pasteurella multocida isolated from porcine pneumonia
Pors, S. E., Hansen, Mette Sif, Christensen, Henrik, Jensen, Henrik Elvang, Petersen, A. H. H. & Bisgaard, M., 2011, In: Veterinary Microbiology. 150, 3-4, p. 354-361 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Genetic diversity and persistance of Enterococcus faecalis obtained from different pathological lesiones in adult chickens as demonstrated by PFGE and MLST
Bisgaard, M., Hedegaard, L., Petersen, A., Christensen, Henrik, Christensen, Jens Peter & Chadfield, M. S., 2007. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Genetic diversity and virulence profiles of Escherichia coli causing salpingitis and peritonitis in broiler breeders
Pires dos Santos, T. M. S., Bisgaard, M. & Christensen, Henrik, 2013, In: Veterinary Microbiology. 162, 2-4, p. 873-880 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Genetic diversity of Escherichia coli associated with increased mortality in free-range layers concurrently infected with Histomonas meleagridis as demonstrated by plasmid profiling and multilocus sequence typing (MLST)
Olsen, Rikke Heidemann, Stockholm, N. M., Permin, A., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 754-756 3 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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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
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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
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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
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Genetic variation in whipworm (trichuris spp.) populations
Nissen, S., Nejsum, P., Christensen, Henrik, Olsen, A. & Thamsborg, Stig Milan, 2009. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Genetic variation of Trichuris spp. obtained from humans and pigs
Nissen, S., Al-Jubury, A., Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2010, Congress handbook: the XIIth international congress of parasitology: Australia, 2010. Australian Society for Parasitology, 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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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
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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
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Genomic Features and Phylogenetic Analysis of Antimicrobial-Resistant Salmonella Mbandaka ST413 Strains
Benevides, V. P., Saraiva, M. M. S., Nascimento, C. F., Delgado-Suárez, E. J., Oliveira, C. J. B., Silva, S. R., Miranda, V. F. O., Christensen, Henrik, Olsen, John Elmerdahl & Berchieri Junior, A., 2024, In: Microorganisms. 12, 2, 16 p., 312.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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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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
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Genus I. Pasteurella
Mutters, R., Christensen, Henrik & Bisgaard, M., 2005, Bergey's manual of systemativ bacteriology. Brenner, D. J., Krieg, N. R. & Staley, J. T. (eds.). Kluwer Academic Publishers, Vol. 2, part B. p. 857-866 10 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Glaesserella Australis sp. nov., isolated from the lungs of pigs
Turni, C., Wu, Y., Omaleki, L., Giang, N., Blackall, P. J. & Christensen, Henrik, 2020, In: International Journal of Systematic and Evolutionary Microbiology. 70, 6, p. 3686-3692 7 p., 004221.Research output: Contribution to journal › Journal article › Research › peer-review
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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. 113-117Research output: Contribution to journal › Journal article › Research › peer-review
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Guidelines for interpreting the International Code of Nomenclature of Prokaryotes and for preparing a Request for an Opinion
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., 2023, In: International Journal of Systematic and Evolutionary Microbiology. 73, 3, 005782.Research output: Contribution to journal › Journal article › Research › peer-review
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Haemorrhagic septicaemia type B associated outbreak of fowl cholera in turkeys
Bisgaard, M., Petersen, A., Bojesen, Anders Miki, Christensen, Jens Peter & Christensen, Henrik, 2007. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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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
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Host response in rabbits to infection with Pasteurella multocida serogroup F strains originating from fowl cholera
Jaglic, Z., Jeklova, E., Christensen, Henrik, Leva, L., Register, K., Kummer, V., Kucerova, Z., Faldyna, M., Maskova, J. & Nedbalcova, K., 2011, In: Canadian Journal of Veterinary Research. 75, 3, p. 200-208 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Hvordan opstår og udvikler bakterielle infektioner sig i store fjerkræflokke
Christensen, Henrik, Olsen, Rikke Heidemann, Pires dos Santos, T. M. S. & Bisgaard, M., 2013, In: Dansk Erhvervsfjerkrae. 42, 4, p. 216-221 6 p.Research output: Contribution to journal › Journal article › Research
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Identification and antimicrobial resistance of bacteria isolated from probiotic products used in shrimp culture
Uddin, G. M. N., Larsen, M. H., Christensen, Henrik, Aarestrup, F. M., Phu, T. M. & Dalsgaard, Anders, 16 Jul 2015, In: PloS one. 10, 7, 21 p., e0132338.Research output: Contribution to journal › Journal article › Research › peer-review
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Identification of Gallibacterium speciesby matrix-assisted laser desorption/ ionization time-of-flight mass spectrometryevaluated bymultilocus sequence analysis
Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2011, In: International Journal of Medical Microbiology. 301, 6, p. 513-522 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Identification of animal Pasteurellaceae by MALDI-TOF mass spectrometry
Kuhnert, P., Bisgaard, M., Korczak, B. M., Schwendener, S., Christensen, Henrik & Frey, J., 2012, In: Journal of Microbiological Methods. 89, 1, p. 1-7 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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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Impact of Escherichia coli vaccine on parent stock mortality, first week mortality of broilers and population diversity of E. coli in vaccinated flocks
Olsen, Rikke Heidemann, Christensen, Henrik, Ewers, C. & Bisgaard, M., 2010, In: Avian Pathology. 39, 4, p. 287-295 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Impact of Nobilis Escherichia coli inac vaccine on parent stock mortality, first week mortality of broilers, and population diversity of E. coli in vaccinated flocks
Olsen, Rikke Heidemann, Christensen, Henrik & Bisgaard, M., 2009. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Improved discrimination of Campylobacter jejuni using repetitive element sequence-based PCR typing and comparison with PFGE typing
Malakauskas, M., Christensen, Henrik, Olsen, John Elmerdahl & Brogren, C., 2008, The 21st International ICFMH Symposium "Evolving Microbial Food Quality and Safety" - Programme and Abstract Book. IUMS/ICFMH, p. 347 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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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
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Infections with Gram positive cocci in broiler breeders: significance and prevalence
Thoefner, Ida , Poulsen, Louise Ladefoged, Olsen, Rikke Heidemann, Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, Jun 2016, 16th International Conference on Production Diseases in Farm Animals: Book of abstracts. Wageningen, Netherlands: Wageningen Academic Publishers, p. 141-141 1 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Influence of the ionophore salinomycin on detection of Clostridium perfringens by PCR in DNA extracted from the gastro intestinal tract of chickens
Henriksen, M. M. M., Bisgaard, M. & Christensen, Henrik, 2007. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Diversity of the tetracycline resistance gene tet(M) and identification of Tn916- and Tn5801-like (Tn6014) transposons in Staphylococcus aureus from humans and animals
Research output: Contribution to journal › Journal article › Research › peer-review
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Comparative analysis of evolutionarily conserved motifs of epidermal growth factor receptor 2 (HER2) predicts novel potential therapeutic epitopes
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Genetic variation of Trichuris spp. obtained from humans and pigs
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