E. Heir

发表

Whole-Genome Sequencing Analysis of Listeria monocytogenes from Rural, Urban, and Farm Environments in Norway: Genetic Diversity, Persistence, and Relation to Clinical and Food Isolates

T. Møretrø, S. Langsrud, Annette Fagerlund, 2022, Applied and environmental microbiology.

WGS analysis of Listeria monocytogenes from rural, urban, and farm environments in Norway: Genetic diversity, persistence, and relation to clinical and food isolates

T. Møretrø, S. Langsrud, Annette Fagerlund, 2021, bioRxiv.

Triclosan and antimicrobial resistance in bacteria: an overview.

Hilde Kruse, Even Heir, B. Lunestad, 2006, Microbial drug resistance.

Shiga toxigenic Escherichia coli show strain dependent reductions under dry-fermented sausage production and post-processing conditions.

L. Axelsson, A. Holck, E. Heir, 2012, International journal of food microbiology.

Reduction of verotoxigenic Escherichia coli in production of fermented sausages.

I. Måge, P. E. Granum, L. Axelsson, 2011, Meat science.

Complete Genome Sequences of Six Listeria monocytogenes Sequence Type 9 Isolates from Meat Processing Plants in Norway

B. Moen, T. Møretrø, S. Langsrud, 2018, Genome Announcements.

Molecular epidemiology and disinfectant susceptibility of Listeria monocytogenes from meat processing plants and human infections.

Even Heir, Truls Nesbakken, E. Heir, 2004, International journal of food microbiology.

Determination of eight genetically modified maize events by quantitative, multiplex PCR and fluorescence capillary gel electrophoresis

A. Holck, S. Drømtorp, K. Rudi, 2008 .

Health and Safety Considerations of Fermented Sausages

L. Axelsson, Anette McLeod, A. Holck, 2017 .

Northern European Products

L. Axelsson, A. Holck, E. Heir, 2014 .

Application of high pressure processing to reduce verotoxigenic E. coli in two types of dry-fermented sausage.

L. Axelsson, A. Holck, E. Skjerve, 2010, Meat science.

Isolation of Shiga toxin‐producing Escherichia coli O103 from sheep using automated immunomagnetic separation (AIMS) and AIMS‐ELISA: sheep as the source of a clinical E. coli O103 case?

Y. Wasteson, E. Heir, E. Wahl, 2002, Letters in applied microbiology.

Microarray-based transcriptome of Listeria monocytogenes adapted to sublethal concentrations of acetic acid, lactic acid, and hydrochloric acid.

L. Axelsson, A. Holck, K. Naterstad, 2012, Canadian journal of microbiology.

Detection of five novel GMO maize events by qualitative, multiplex PCR and fluorescence capillary gel electrophoresis

A. Holck, E. Heir, B. O. Pedersen, 2008 .

Escherichia coli O157:H7 in faeces from cattle, sheep and pigs in the southwest part of Norway during 1998 and 1999.

Y. Wasteson, E. Heir, G. Johnsen, 2001, International journal of food microbiology.

Fluorescent Amplified-Fragment Length Polymorphism Genotyping of Salmonella enterica subsp. enterica Serovars and Comparison with Pulsed-Field Gel Electrophoresis Typing

E. Heir, G. Kapperud, B. Lindstedt, 2000, Journal of Clinical Microbiology.

Survival of Shiga toxin-producing Escherichia coli and Stx bacteriophages in moisture enhanced beef.

S. Langsrud, E. Heir, T. M. Rode, 2014, Meat science.

Widespread Distribution of Disinfectant Resistance Genes among Staphylococci of Bovine and Caprine Origin in Norway

E. Heir, M. Sunde, T. Steinum, 2005, Journal of Clinical Microbiology.

Molecular epidemiology and population genetics of Salmonella subspecies diarizonae in sheep in Norway and Sweden

E. Heir, G. Kapperud, O. Alvseike, 2004, Epidemiology and Infection.

Molecular Analyses of Salmonellaenterica Isolates from Fish Feed Factories and Fish Feed Ingredients

L. L. Nesse, E. Heir, G. Holstad, 2003, Applied and Environmental Microbiology.

Coaggregation between Rhodococcus and Acinetobacter strains isolated from the food industry.

T. Møretrø, S. Langsrud, A. Rickard, 2015, Canadian journal of microbiology.

Assessment of the antibacterial activity of a triclosan-containing cutting board.

T. Møretrø, S. Langsrud, E. Heir, 2011, International journal of food microbiology.

Genetic linkage between resistance to quaternary ammonium compounds and beta-lactam antibiotics in food-related Staphylococcus spp.

A. Holck, H. Sørum, E. Heir, 2001, Microbial drug resistance.

Improved control of Listeria monocytogenes during storage of raw salmon by treatment with the fermentate Verdad N6 and nisin.

Lars Erik Solberg, A. Holck, B. Moen, 2020, International journal of food microbiology.

Discriminatory power, typability, and accuracy of single nucleotide extension microarrays.

I. Berget, K. Rudi, E. Heir, 2007, Journal of AOAC International.

Pervasive Listeria monocytogenes Is Common in the Norwegian Food System and Is Associated with Increased Prevalence of Stress Survival and Resistance Determinants

B. Moen, T. Møretrø, S. Langsrud, 2022, bioRxiv.

Microbial background flora in small-scale cheese production facilities does not inhibit growth and surface attachment of Listeria monocytogenes.

T. Møretrø, S. Langsrud, E. Heir, 2013, Journal of Dairy Science.

High Stability of Stx2 Phage in Food and under Food-Processing Conditions

P. E. Granum, L. Axelsson, A. Holck, 2011, Applied and Environmental Microbiology.

High Stability of Stx 2 Phage in Food and under Food-Processing Conditions Tone

P. E. Granum, L. Axelsson, A. Holck, 2011 .

Microbial Safety and Sensory Analyses of Cold-Smoked Salmon Produced with Sodium-Reduced Mineral Salts and Organic Acid Salts

I. Berget, A. Holck, E. Heir, 2022, Foods.

Performance of two commercial rapid methods for sampling and detection of Listeria in small-scale cheese producing and salmon processing environments.

T. Møretrø, S. Langsrud, E. Heir, 2012, Journal of microbiological methods.

Molecular Epidemiology of Salmonella enterica Serovar Typhimurium Isolates Determined by Pulsed-Field Gel Electrophoresis: Comparison of Isolates from Avian Wildlife, Domestic Animals, and the Environment in Norway

E. Heir, G. Holstad, G. Kapperud, 2002, Applied and Environmental Microbiology.

Stx 2 phage show high stability in food and under food 2 processing conditions 3 Running title : Stx 2 phage stability in food 4 5 Tone

P. E. Granum, L. Axelsson, A. Holck, 2011 .

Molecular epidemiology of Salmonella spp. isolates from gulls, fish-meal factories, feed factories, animals and humans in Norway based on pulsed-field gel electrophoresis

L. L. Nesse, E. Heir, G. Holstad, 2004, Epidemiology and Infection.

Outbreak of Salmonella Livingstone infection in Norway and Sweden due to contaminated processed fish products

P. Guérin, E. Heir, P. Aavitsland, 2004, Epidemiology and Infection.

Biofilm forming abilities of Salmonella are correlated with persistence in fish meal- and feed factories

L. L. Nesse, T. Møretrø, S. Langsrud, 2009, BMC veterinary research.

Effect of relevant environmental stresses on survival of enterohemorrhagic Escherichia coli in dry-fermented sausage.

I. Måge, L. Axelsson, Anette McLeod, 2016, International journal of food microbiology.

Bacterial disinfectant resistance—a challenge for the food industry

A. Holck, S. Langsrud, E. Heir, 2003 .

Survival of Five Strains of Shiga Toxigenic Escherichia coli in a Sausage Fermentation Model and Subsequent Sensitivity to Stress from Gastric Acid and Intestinal Fluid

I. Måge, L. Axelsson, Anette McLeod, 2017, International journal of microbiology.

Characterization of class I integrons in clinical strains of Salmonella enterica subsp. enterica serovars Typhimurium and Enteritidis from Norwegian hospitals.

E. Heir, G. Kapperud, B. Lindstedt, 2003, Journal of medical microbiology.

Prevalence and characterization of integrons in blood culture Enterobacteriaceae and gastrointestinal Escherichia coli in Norway and reporting of a novel class 1 integron-located lincosamide resistance gene

T. Leegaard, E. Heir, E. Gjernes, 2004, Annals of Clinical Microbiology and Antimicrobials.

Attachment and biofilm formation by foodborne bacteria in meat processing environments: causes, implications, role of bacterial interactions and control by alternative novel methods.

G. Nychas, M. Desvaux, T. Møretrø, 2014, Meat science.

Molecular epidemiology of Salmonella Typhimurium isolates from human sporadic and outbreak cases

E. Heir, G. Kapperud, B. Lindstedt, 2002, Epidemiology and Infection.

Control of Salmonella in food related environments by chemical disinfection

L. L. Nesse, T. Møretrø, S. Langsrud, 2012 .

Transmission of salmonellosis through hedgehogs in Norway

E. Heir, Øystein Søbstad, Ingvar Tveit, 2000 .

Heterogeneity in resistance to food-related stresses and biofilm formation ability among verocytotoxigenic Escherichia coli strains.

L. Axelsson, A. Holck, A. Álvarez‐Ordoñez, 2013, International journal of food microbiology.

Contamination of salmon fillets and processing plants with spoilage bacteria.

B. Moen, T. Møretrø, S. Langsrud, 2016, International journal of food microbiology.

The qacG gene on plasmid pST94 confers resistance to quaternary ammonium compounds in staphylococci isolated from the food industry

A. Holck, E. Heir, G. Sundheim, 1999, Journal of applied microbiology.

Frequency of Disinfectant Resistance Genes and Genetic Linkage with β-Lactamase Transposon Tn552 among Clinical Staphylococci

A. Holck, T. Leegaard, E. Heir, 2002, Antimicrobial Agents and Chemotherapy.

The Staphylococcus qacH gene product: a new member of the SMR family encoding multidrug resistance.

A. Holck, E. Heir, G. Sundheim, 1998, FEMS microbiology letters.

Improved microbial and sensory quality of chicken meat by treatment with lactic acid, organic acid salts and modified atmosphere packaging.

A. Holck, E. Heir, J. Skaret, 2021, International journal of food microbiology.

Identification and characterization of quaternary ammonium compound resistant staphylococci from the food industry.

A. Holck, E. Heir, G. Sundheim, 1999, International journal of food microbiology.

Resistance to quaternary ammonium compounds in Staphylococcus spp. isolated from the food industry and nucleotide sequence of the resistance plasmid pST827.

A. Holck, E. Heir, G. Sundheim, 1995, The Journal of applied bacteriology.

Intra- and inter-species interactions within biofilms of important foodborne bacterial pathogens

Agapi I. Doulgeraki, G. Nychas, A. Doulgeraki, 2015, Front. Microbiol..

Genome Analysis of Listeria monocytogenes Sequence Type 8 Strains Persisting in Salmon and Poultry Processing Environments and Comparison with Related Strains

T. Møretrø, S. Langsrud, Annette Fagerlund, 2016, PloS one.

Microbial dynamics in mixed culture biofilms of bacteria surviving sanitation of conveyor belts in salmon‐processing plants

B. Moen, T. Møretrø, S. Langsrud, 2016, Journal of applied microbiology.

Antibiotic Resistance and Phylogeny of Pseudomonas spp. Isolated over Three Decades from Chicken Meat in the Norwegian Food Chain

B. Moen, S. Langsrud, E. Heir, 2021, Microorganisms.

Deletion of pT181-like sequence in an smr-encoding mosaic plasmid harboured by a persistent bovine Staphylococcus warneri strain.

E. Heir, M. Sunde, T. Steinum, 2006, The Journal of antimicrobial chemotherapy.

Use of used vs. fresh cheese brines and the effect of pH and salt concentration on the survival of Listeria monocytogenes

T. Møretrø, S. Langsrud, E. Heir, 2014, Journal of Dairy Research.

Predicting the Concentration of Verotoxin-Producing Escherichia coli Bacteria during Processing and Storage of Fermented Raw-Meat Sausages

L. Axelsson, A. Holck, R. Lindqvist, 2014, Applied and Environmental Microbiology.

Effects of post-processing treatments on sensory quality and Shiga toxigenic Escherichia coli reductions in dry-fermented sausages.

I. Måge, L. Axelsson, A. Holck, 2013, Meat science.

Listeria monocytogenes strains show large variations in competitive growth in mixed culture biofilms and suspensions with bacteria from food processing environments.

T. Møretrø, S. Langsrud, E. Heir, 2018, International journal of food microbiology.

Characterization of the bacterial spoilage flora in marinated pork products

S. Langsrud, E. Heir, B. C. Schirmer, 2009, Journal of applied microbiology.

Cleaning and Disinfection of Biofilms Composed of Listeria monocytogenes and Background Microbiota from Meat Processing Surfaces

R. Briandet, T. Møretrø, S. Langsrud, 2017, Applied and Environmental Microbiology.

Reduction of verotoxigenic Escherichia coli by process and recipe optimisation in dry-fermented sausages.

I. Måge, L. Axelsson, A. Holck, 2010, International journal of food microbiology.

Tolerance to quaternary ammonium compound disinfectants may enhance growth of Listeria monocytogenes in the food industry.

T. Møretrø, S. Langsrud, Annette Fagerlund, 2017, International journal of food microbiology.

Biofilm Matrix Composition Affects the Susceptibility of Food Associated Staphylococci to Cleaning and Disinfection Agents

T. Møretrø, S. Langsrud, Annette Fagerlund, 2016, Front. Microbiol..

Micro ecosystems from feed industry surfaces: a survival and biofilm study of Salmonella versus host resident flora strains

L. L. Nesse, T. Møretrø, S. Langsrud, 2010, BMC veterinary research.

The persistence of Salmonella following desiccation under feed processing environmental conditions: a subject of relevance

T. Møretrø, S. Langsrud, E. Heir, 2014, Letters in applied microbiology.

Transfer Potential of Plasmids Conferring Extended-Spectrum-Cephalosporin Resistance in Escherichia coli from Poultry

S. Langsrud, E. Heir, M. Sunde, 2017, Applied and Environmental Microbiology.

The effects of different hygiene procedures in reducing bacterial contamination in a model domestic kitchen

S. Bloomfield, B. Moen, T. Møretrø, 2015, Journal of applied microbiology.

Risk assessment on the use of triclosan in cosmetics. Prepared by the Scientific Committee in cooperation with the Panel on Biological Hazards and the Panel on Food Additives, Flavourings, Processing Aids, Materials in contact with Food and Cosmetics

L. Andersen, T. Husøy, B. Lunestad, 2005 .

Comparative Fingerprinting Analysis ofCampylobacter jejuni subsp. jejuni Strains by Amplified-Fragment Length Polymorphism Genotyping

E. Heir, G. Kapperud, B. Lindstedt, 2000, Journal of Clinical Microbiology.

Detection of eight GMO maize events by qualitative, multiplex PCR and fluorescence capillary gel electrophoresis

A. Holck, E. Heir, B. Heide, 2008 .

Novel Plasmid-Borne Gene qacJ Mediates Resistance to Quaternary Ammonium Compounds in Equine Staphylococcus aureus, Staphylococcus simulans, and Staphylococcus intermedius

E. Heir, M. Sunde, T. Steinum, 2003, Antimicrobial Agents and Chemotherapy.

Bacteria on Meat Abattoir Process Surfaces after Sanitation: Characterisation of Survival Properties of Listeria monocytogenes and the Commensal Bacterial Flora

Trond Møretrø, Solveig Langsrud, Even Heir, 2013 .

Reduction and inhibition of Listeria monocytogenes in cold-smoked salmon by Verdad N6, a buffered vinegar fermentate, and UV-C treatments.

A. Holck, E. Heir, M. Carlehög, 2019, International journal of food microbiology.

Enhanced Surface Colonization by Escherichia coli O157:H7 in Biofilms Formed by an Acinetobacter calcoaceticus Isolate from Meat-Processing Environments

T. Møretrø, S. Langsrud, E. Heir, 2010, Applied and Environmental Microbiology.

[Can disinfectants contribute to antibiotic resistance?].

M. Steinbakk, S. Langsrud, E. Heir, 2001, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Reductions of Listeria monocytogenes on cold-smoked and raw salmon fillets by UV-C and pulsed UV light

A. Holck, E. Heir, M. Carlehög, 2018, Innovative Food Science & Emerging Technologies.

DNA Fingerprinting of Salmonella enterica subsp. enterica Serovar Typhimurium with Emphasis on Phage Type DT104 Based on Variable Number of Tandem Repeat Loci

Even Heir, E. Heir, E. Gjernes, 2003, Journal of Clinical Microbiology.

Enterohemorrhagic Escherichia coli and production of dry fermented sausages.

L. Axelsson, A. Holck, P. Berg, 2006 .

Deciphering the virulence potential of Listeria monocytogenes in the Norwegian meat and salmon processing industry by combining whole genome sequencing and in vitro data.

B. Moen, T. Møretrø, S. Langsrud, 2022, International journal of food microbiology.

Consumer preferences, internal color and reduction of shigatoxigenic Escherichia coli in cooked hamburgers.

O. Sørheim, N. V. Olsen, T. Møretrø, 2014, Meat science.

Bacterial resistance to disinfectants containing quaternary ammonium compounds

A. Holck, S. Langsrud, E. Heir, 1998 .

Genomic fingerprinting of shigatoxin-producing Escherichia coli (STEC) strains: comparison of pulsed-field gel electrophoresis (PFGE) and fluorescent amplified-fragment-length polymorphism (FAFLP)

Y. Wasteson, E. Heir, G. Kapperud, 2000, Epidemiology and Infection.

Quantitative, multiplex ligation-dependent probe amplification for the determination of eight genetically modified maize events

A. Holck, S. Drømtorp, E. Heir, 2009 .

Listeria Monocytogenes Biofilm Removal Using Different Commercial Cleaning Agents

T. Møretrø, S. Langsrud, Annette Fagerlund, 2020, Molecules.

Use of used vs. fresh cheese brines and the effect of pH and salt concentration on the survival of Listeria monocytogenes

T. Møretrø, S. Langsrud, E. Heir, 2014, Journal of Dairy Research.

Annals of Clinical Microbiology and Antimicrobials Open Access Dna Fingerprinting of Shiga-toxin Producing Escherichia Coli O157 Based on Multiple-locus Variable-number Tandem-repeats Analysis (mlva)

E. Heir, E. Gjernes, G. Kapperud, 2022 .

The effects of different hygiene procedures in reducing bacterial contamination in a model domestic kitchen

B. Moen, T. Møretrø, S. Langsrud, 2015, Journal of applied microbiology.

Factors affecting survival of Shigatoxin-producing Escherichia coli on abiotic surfaces.

T. Møretrø, S. Langsrud, E. Heir, 2010, International journal of food microbiology.

The persistence of Salmonella following desiccation under feed processing environmental conditions: a subject of relevance

T. Møretrø, S. Langsrud, E. Heir, 2014, Letters in applied microbiology.

Large-scale phenotypic and genomic characterization of Listeria monocytogenes susceptibility to quaternary ammonium compounds

F. Aarestrup, S. Kathariou, P. Njage, 2023, bioRxiv.

A novel metagenomic approach uncovers phage genes as markers for increased disinfectant tolerance in mixed Listeria monocytogenes communities.

P. Leekitcharoenphon, T. Møretrø, S. Langsrud, 2024, Infection, Genetics and Evolution.

Reduction and Growth Inhibition of Listeria monocytogenes by Use of Anti-Listerial Nisin, P100 Phages and Buffered Dry Vinegar Fermentates in Standard and Sodium-Reduced Cold-Smoked Salmon

I. Berget, A. Holck, E. Heir, 2023, Foods.