Henrik Christensen
Associate Professor
Veterinary Clinical Microbiology
Stigbøjlen 4, 1870 Frederiksberg C
Member of:
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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
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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
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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
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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
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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
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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
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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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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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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
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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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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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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
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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
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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
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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
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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
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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
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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
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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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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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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
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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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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
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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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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
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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
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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
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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
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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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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
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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
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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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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
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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
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. 2196-9Research output: Contribution to journal › Letter › Research › peer-review
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Påvisning af salmonella populationer udfra ribosomale DNA sekvenser
Christensen, Henrik & Olsen, John Elmerdahl, 1996. 1 p.Research output: Contribution to conference › Poster › Research
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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
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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
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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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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
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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
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A manual of basic tools in bioinformatics
Christensen, Henrik & Olsen, John Elmerdahl, 2003. 34 p.Research output: Contribution to conference › Paper › Research
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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
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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
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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
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Population genetics of Salmonella
Christensen, Henrik & Olsen, John Elmerdahl, 1999. 1 p.Research output: Contribution to conference › Paper › Research
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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
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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
Research output: Contribution to journal › Journal article › Research › peer-review
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Genetic variation of Trichuris spp. obtained from humans and pigs
Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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