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List of works by Henrik Christensen

16S to 23S rRNA spacer fragment length polymorphism of Salmonella enterica at subspecies and serotype levels

scientific article

A preliminary study of the role of ducks in the transmission of Newcastle disease virus to in-contact rural free-range chickens

scientific article published on May 2006

A study of risk factors associated with Newcastle disease epidemics in village free-range chickens in Uganda

scientific article published on January 2007

Actinobacillus equuli subsp. equuli associated with equine valvular endocarditis.

scientific article published in December 2007

An investigation on first-week mortality in layers.

scientific article published in March 2012

Analysis of 16S-23S rRNA internal transcribed spacer regions in Pasteurellaceae isolated from laboratory rodents

scientific article published on 4 July 2012

Analysis of gene order data supports vertical inheritance of the leukotoxin operon and genome rearrangements in the 5' flanking region in genus Mannheimia

scientific article

Anaplasma phagocytophilum in Danish sheep: confirmation by DNA sequencing

scientific article

Atypical actinobacillosis affecting hind limbs and lungs in a single beef cattle herd

scientific article published on 12 December 2018

Bisgaardia miroungae sp. nov., a new member of the family Pasteurellaceae isolated from the oral cavity of northern elephant seals (Mirounga angustirostris), and emended description of the genus Bisgaardia.

scientific article

Characterization of Enterococcus faecalis isolated from the cloaca of 'fancy breeds' and confined chickens.

scientific article published on 8 February 2017

Characterization of Escherichia coli causing cellulitis in broilers

scientific article published on 19 September 2018

Characterization of Pasteurella multocida involved in rabbit infections

scientific article published on 21 November 2017

Characterization of Pasteurellaceae-like bacteria isolated from clinically affected psittacine birds

scientific article published on 11 August 2009

Characterization of prevalent bacterial pathogens associated with pododermatitis in table egg layers.

scientific article published on 8 March 2018

Characterization of streptococci and enterococci associated with septicaemia in broiler parents with a high prevalence of endocarditis

scientific article published in December 2004

Characterization of sulphonamide-resistant Escherichia coli using comparison of sul2 gene sequences and multilocus sequence typing

scientific article published on March 2009

Classification of Bisgaard’s taxa 14 and 32 and a taxon from kestrels demonstrating satellitic growth and proposal of Spirabiliibacterium gen. nov., including the description of three species: Spirabiliibacterium mucosae sp. nov., Spirabiliibacteriu

scientific article published in 2019

Classification of Pasteurella species B as Pasteurella oralis sp. nov.

scientific article

Classification of avian haemolytic Actinobacillus-like organisms (Bisgaard taxon 26) associated with anseriforme birds as Actinobacillus anseriformium sp. nov.

scientific article

Classification of genera of Pasteurellaceae using conserved predicted protein sequences

scientific article published on 20 June 2018

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

scientific article

Classification of the taxon 2 and taxon 3 complex of Bisgaard within Gallibacterium and description of Gallibacterium melopsittaci sp. nov., Gallibacterium trehalosifermentans sp. nov. and Gallibacterium salpingitidis sp. nov.

scientific article

Clonal outbreaks of [ Pasteurella] pneumotropica biovar Heyl in two mouse colonies

scientific article published on January 2017

Clonality and virulence traits of Escherichia coli associated with haemorrhagic septicaemia in turkeys.

scientific article

Clonality of Enterococcus faecalis associated with amyloid arthropathy in chickens evaluated by multilocus sequence typing (MLST)

scientific article published on 22 August 2008

Comparative analysis of evolutionarily conserved motifs of epidermal growth factor receptor 2 (HER2) predicts novel potential therapeutic epitopes

scientific article

Comparative genomics of multiple plasmids from APEC associated with clonal outbreaks demonstrates major similarities and identifies several potential vaccine-targets

scientific article published on 13 March 2012

Comparative studies on [Pasteurella] testudinis and [P.] testudinis-like bacteria and proposal of Chelonobacter oris gen. nov., sp. nov. as a new member of the family Pasteurellaceae

scientific article published in July 2009

Current Distribution of Rodentibacter Species Among the Mice and Rats of an Experimental Facility

scientific article published on 25 June 2019

DNA microarray analysis of Salmonella serotype Typhimurium strains causing different symptoms of disease

scientific article

DNA-DNA hybridization determined in micro-wells using covalent attachment of DNA.

scientific article

Description of Riemerella columbipharyngis sp. nov., isolated from the pharynx of healthy domestic pigeons (Columba livia f. domestica), and emended descriptions of the genus Riemerella , Riemerella anatipestifer and Riemerella columbina

scientific article published on March 16, 2012

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

scientific article published on May 1995

Development of a multilocus sequence typing (MLST) scheme for Mannheimia haemolytica and assessment of the population structure of isolates obtained from cattle and sheep.

scientific article published on 6 April 2009

Development of multi locus sequence typing (MLST) of Rodentibacter pneumotropicus

scientific article published on 20 February 2019

Diagnostic and typing options for investigating diseases associated with Pasteurella multocida.

scientific article published on 23 October 2007

Differentiation of Campylobacter coli and C. jejuni by length and DNA sequence of the 16S-23S rRNA internal spacer region

scientific article published in January 1999

Differentiation of Pasteurella multocida isolates from cases of atrophic rhinitis in pigs from Zimbabwe by RAPD and ribotyping

scientific article published in August 2004

Distribution of RTX toxin genes in strains of [Actinobacillus] rossii and [Pasteurella] mairii.

scientific article

Diversity and Population Overlap between Avian and Human Escherichia coli Belonging to Sequence Type 95

scientific article published on 16 January 2019

Diversity and evolution of blaZ from Staphylococcus aureus and coagulase-negative staphylococci

article

Diversity of the tetracycline resistance gene tet(M) and identification of Tn916- and Tn5801-like (Tn6014) transposons in Staphylococcus aureus from humans and animals

scientific article published on 16 June 2009

Draft Genome Sequence of Gallibacterium anatis bv. haemolytica 12656-12 Liver, an Isolate Obtained from the Liver of a Septicemic Chicken

scientific article published on 10 October 2013

Draft Genome Sequence of Streptococcus equi subsp. zooepidemicus Strain S31A1, Isolated from Equine Infectious Endometritis

scientific article published on 5 September 2013

Emended description of Actinobacillus capsulatus Arseculeratne 1962, 38AL.

scientific article

Enterococcus faecalis of human and poultry origin share virulence genes supporting the zoonotic potential of E. faecalis

scientific article published on 28 November 2011

Evaluation of PCR and DNA sequencing for direct detection of Clostridium perfringens in the intestinal tract of broilers

scientific article published in September 2009

Evidence for Vertical Inheritance and Loss of the Leukotoxin Operon in Genus Mannheimia

scientific article published on 13 April 2007

Evolution of the leukotoxin promoter in genus Mannheimia

scientific article

Extended-spectrum β-lactamase-producing Escherichia coli isolated from poultry: a review of current problems, illustrated with some laboratory findings.

scientific article published on 22 April 2014

Flow cytometric measurements of cell volumes and DNA contents during culture of indigenous soil bacteria

scientific article published on 01 January 1995

Frederiksenia canicola gen. nov., sp. nov. isolated from dogs and human dog-bite wounds

scientific article

Genetic analysis of Trichuris suis and Trichuris trichiura recovered from humans and pigs in a sympatric setting in Uganda.

scientific article published on 20 March 2012

Genetic diversity and associated pathology of Pasteurella multocida isolated from porcine pneumonia

scientific article published on 03 March 2011

Genetic diversity and virulence profiles of Escherichia coli causing salpingitis and peritonitis in broiler breeders.

scientific article

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

scientific article published in October 2001

Genital form of pasteurellosis in breeding turkeys infected during artificial insemination and isolation of an unusual strain of Pasteurella multocida

scientific article published on September 2013

Geno- and phenotypic diversity of avian isolates of Streptococcus gallolyticus subsp. gallolyticus (Streptococcus bovis) and associated diagnostic problems

scientific article published on 13 December 2006

Glaesserella australis sp. nov., isolated from the lungs of pigs

scientific article published on 15 May 2020

Guidelines for interpreting the International Code of Nomenclature of Prokaryotes and for preparing a Request for an Opinion

scientific article published in 2023

Host-specific bacterial lineages in the taxon 2 and 3 complex of Pasteurellaceae.

scientific article published on 8 May 2006

Identification and Antimicrobial Resistance of Bacteria Isolated from Probiotic Products Used in Shrimp Culture

scientific article published on 6 July 2015

Identification of Gallibacterium species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry evaluated by multilocus sequence analysis.

scientific article

Impact of Escherichia coli vaccine on parent stock mortality, first week mortality of broilers and population diversity of E. coli in vaccinated flocks.

scientific article

Investigation of chicken intestinal bacterial communities by 16S rRNA targeted fluorescence in situ hybridization.

scientific article published on 21 June 2008

Investigation of taxa of the family Pasteurellaceae isolated from Syrian and European hamsters and proposal of Mesocricetibacter intestinalis gen. nov., sp. nov. and Cricetibacter osteomyelitidis gen. nov., sp. nov.

scientific article

Involvement of bacterial quorum-sensing signals in spoilage of bean sprouts

scientific article published on June 2005

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).

scientific article

Judicial Opinion 128

scientific article published in 2023

Judicial Opinions 112–122

scientific article published on 10 August 2022

MALDI-TOF mass spectrometry confirms clonal lineages of Gallibacterium anatis between chicken flocks.

scientific article

MALDI-TOF mass spectrometry confirms difficulties in separating species of the Avibacterium genus

scientific article

MLST typing of Pasteurella multocida associated with haemorrhagic septicaemia and development of a real-time PCR specific for haemorrhagic septicaemia associated isolates

scientific article published on 25 February 2014

Mannheimia cairinae sp. nov., a novel species of Mannheimia obtained from Muscovy ducks (Cairina moschata) and reclassification of Mannheimia ovis as heterotypic synonym of Mannheimia pernigra

scientific article published in 2023

Mannheimia caviae sp. nov., isolated from epidemic conjunctivitis and otitis media in guinea pigs

scientific article

Microbiota encompassing putative spoilage bacteria in retail packaged broiler meat and commercial broiler abattoir

scientific article published on 10 April 2019

Multi-locus sequence typing and plasmid profile characterization of avian pathogenic Escherichia coli associated with increased mortality in free-range layer flocks

scientific article published on 25 July 2011

Multilocus sequence analysis of Pasteurella multocida demonstrates a type species under development.

scientific article published on 17 January 2013

Multilocus sequence phylogenetic analysis of Avibacterium

scientific article published on 12 January 2012

Multilocus sequence typing of Enterococcus faecalis isolates demonstrating different lesion types in broiler breeders.

scientific article

NOTE: Phylogenetic relationships of Salmonella based on rRNA sequences

scientific article

Observations on the incidence and aetiology of valvular endocarditis in broiler breeders and detection of a newly described taxon of Pasteurellaceae, Avibacterium endocarditidis

scientific article published in June 2010

Occurrence of Pasteurellaceae bacteria in the oral cavity of selected marine mammal species

scientific article published in December 2012

Occurrence of weak mutators among avian pathogenic Escherichia coli (APEC) isolates causing salpingitis and peritonitis in broiler breeders

scientific article published on 24 October 2013

On the origin and diversity of Newcastle disease virus in Tanzania

scientific article published on 30 September 2011

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

scientific article published on 13 June 2019

Ornithobacterium rhinotracheale has neuraminidase activity causing desialylation of chicken and turkey serum and tracheal mucus glycoproteins

scientific article

Outbreaks of pleuritis and peritonitis in calves associated with Pasteurella multocida capsular type B strain.

scientific article published on January 2011

Pasteurella multocida carriage in red-necked wallabies (Macropus rufogriseus).

scientific article published in December 2012

Pathology and Molecular Characterization of Escherichia Coli Associated With the Avian Salpingitis-Peritonitis Disease Syndrome

scientific article

Phylogenetic analysis by 16S rDNA gene sequence comparison of avian taxa of Bisgaard and characterization and description of two new taxa of Pasteurellaceae

scientific article

Phylogenetic relationships of Riemerella anatipestifer serovars and related taxa and an evaluation of specific PCR tests reported for R. anatipestifer.

scientific article

Phylogenetic relationships of Salmonella based on DNA sequence comparison of atpD encoding the beta subunit of ATP synthase

scientific article published on April 1998

Phylogenetic relationships of unclassified, satellitic Pasteurellaceae obtained from different species of birds as demonstrated by 16S rRNA gene sequence comparison

scientific article published on 30 June 2009

Polyamines are essential for virulence in Salmonella enterica serovar Gallinarum despite evolutionary decay of polyamine biosynthesis genes

scientific article published on 8 February 2014

Presence and diversity of the β-lactamase gene in cat and dog staphylococci

scientific article published on 16 February 2007

Prevalence of Taxa of Pasteurellaceae Among Populations of Healthy Captive Psittacine Birds

scientific article

Proposed minimal standards for the use of genome data for the taxonomy of prokaryotes

scientific article published in January 2018

Random amplification of polymorphic DNA and phenotypic typing of Zimbabwean isolates of Pasteurella multocida

scientific article published in October 2001

Reclassification of Actinobacillus muris as Muribacter muris gen. nov., comb. nov.

scientific article

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

scientific article published on 13 December 2018

Reclassification of Bisgaard taxon 5 as Caviibacterium pharyngocola gen. nov., sp. nov. and Bisgaard taxon 7 as Conservatibacter flavescens gen. nov., sp. nov.

scientific article published on 5 January 2018

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 Avibact

scientific article

Reclassification of [Haemophilus] haemoglobinophilus as Canicola haemoglobinophilus gen. nov., comb. nov. including Bisgaard taxon 35

scientific article published in 2021

Reclassification of [Pasteurella] trehalosi as Bibersteinia trehalosi gen. nov., comb. nov.

scientific article

Revised taxonomy and nomenclature of rodent Pasteurellaceae: Implications for monitoring.

scientific article published in January 2018

Rodentibacter gen. nov. including Rodentibacter pneumotropicus comb. nov., Rodentibacter heylii sp. nov., Rodentibacter myodis sp. nov., Rodentibacter ratti sp. nov., Rodentibacter heidelbergensis sp. nov., Rodentibacter trehalosifermentans sp. nov.

scientific article

Sensory, chemical and bacteriological changes during storage of iced squid (Todaropsis eblanae).

scientific article published in January 2002

Sequence variation of the 16S to 23S rRNA spacer region in Salmonella enterica

scientific article

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

scientific article

Specific identification of Gallibacterium by a PCR using primers targeting the 16S rRNA and 23S rRNA genes.

scientific article

Testudinibacter aquarius gen. nov., sp. nov., a member of the family Pasteurellaceae isolated from the oral cavity of freshwater turtles.

scientific article

The diversity of inducible and constitutively expressed erm(C) genes and association to different replicon types in staphylococci plasmids.

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The gut as reservoir of antibiotic resistance: microbial diversity of tetracycline resistance in mother and infant

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The use of genomic DNA sequences as type material for valid publication of bacterial species names will have severe implications for clinical microbiology and related disciplines

scientific article published on 22 March 2019

Transmission and genetic diversity of Enterococcus faecalis among layer chickens during hatch

scientific article published on October 23, 2011

Transmission and genetic diversity of Enterococcus faecalis during hatch of broiler chicks.

scientific article published on June 2012

Transmission dynamics of Mannheimia haemolytica in newly-received beef bulls at fattening operations

scientific article published on 03 August 2012

Unusual growth variants of Avibacterium paragallinarum

scientific article published in July 2011

Use of multiple-locus variable-number tandem-repeats analysis (MLVA) typing to characterize Salmonella Typhimurium DT41 broiler breeder infections

scientific article published in December 2010

Whole-Genome Sequence of Staphylococcus aureus S54F9 Isolated from a Chronic Disseminated Porcine Lung Abscess and Used in Human Infection Models.

scientific article published on 22 October 2015

[Pasteurella] caballi infection not limited to horses - a closer look at taxon 42 of Bisgaard

scientific article published on October 2006