Blar i NOFIMA vitenarkiv på forfatter "Heir, Even"
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A novel metagenomic approach uncovers phage genes as markers for increased disinfectant tolerance in mixed Listeria monocytogenes communities
Karlsmose, Agnete Kirstine; Ivanova, Mirena; Kragh, Martin Laage; Kjeldgaard, Jette Sejer; Otani, Saria; Svendsen, Christina Aaby; Papić, Bojan; Zdovc, Irena; Tasara, Taurai; Stephan, Roger; Heir, Even; Langsrud, Solveig; Møretrø, Trond; Dalgaard, Paw; Fagerlund, Annette; Hansen, Lisbeth Truelstrup; Aarestrup, Frank M.; Leekitcharoenphon, Pimlapas (Peer reviewed; Journal article, 2024) -
A solution to the fight against Listeria?
Heir, Even; Holck, Askild Lorentz (Others, 2019) -
Antibiotic Resistance and Phylogeny of Pseudomonas spp. Isolated over Three Decades from Chicken Meat in the Norwegian Food Chain
Heir, Even; Moen, Birgitte; Åsli, Anette Wold; Sunde, Marianne; Langsrud, Solveig (Peer reviewed; Journal article, 2021)Pseudomonas is ubiquitous in nature and a predominant genus in many foods and food processing environments, where it primarily represents major food spoilage organisms. The food chain has also been reported to be a potential ... -
Biofilm matrix composition affects the susceptibility of food associated staphylococci to cleaning and disinfection agents
Fagerlund, Annette; Langsrud, Solveig; Heir, Even; Mikkelsen, Maria Ingeborg; Møretrø, Trond (Journal article, 2016)Staphylococci are frequently isolated from food processing environments, and it has been speculated whether survival after cleaning and disinfection with benzalkonium chloride (BC)-containing disinfectants is due to biofilm ... -
Cleaning and disinfection of biofilms composed of Listeria monocytogenes and background microbiota from meat processing surfaces
Fagerlund, Annette; Møretrø, Trond; Heir, Even; Briandet, Romain; Langsrud, Solveig (Peer reviewed; Journal article, 2017) -
Coaggregation between Rhodococcus and Acinetobacter strains isolated from the food industry
Møretrø, Trond; Sharifzadeh, Shahab; Langsrud, Solveig; Heir, Even; Rickard, A.H. (Peer reviewed; Journal article, 2015)In this study, coaggregation interactions between Rhodococcus and Acinetobacter strains isolated from food-processing surfaces were characterized. Rhodococcus sp. strain MF3727 formed intrageneric coaggregates with Rhodococcus ... -
Coaggregation between Rhodococcus and Acinetobacter strains isolated from the food industry
Møretrø, Trond; Sharifzadeh, Shahab; Langsrud, Solveig; Heir, Even; Rickard, A.H. (Peer reviewed; Journal article, 2015)In this study, coaggregation interactions between Rhodococcus and Acinetobacter strains isolated from food-processing surfaces were characterized. Rhodococcus sp. strain MF3727 formed intrageneric coaggregates with Rhodococcus ... -
Complete Genome Sequences of Six Listeria monocytogenes Sequence Type 9 Isolates from Meat Processing Plants in Norway
Fagerlund, Annette; Langsrud, Solveig; Moen, Birgitte; Heir, Even; Møretrø, Trond (Journal article, 2018)Listeria monocytogenes is a foodborne pathogen that causes the often-fatal disease listeriosis. We present here the complete genome sequences of six L. monocytogenes isolates of sequence type 9 (ST9) collected from two ... -
Deciphering the virulence potential of Listeria monocytogenes in the Norwegian meat and salmon processing industry by combining whole genome sequencing and in vitro data
Wagner, Eva; Fagerlund, Annette; Thalguter, Sarah; Jensen, Merete Rusås; Heir, Even; Møretrø, Trond; Moen, Birgitte; Langsrud, Solveig; Rychli, Kathrin (Peer reviewed; Journal article, 2022) -
Effects of post-processing treatments on sensory quality and Shiga toxigenic Escherichia coli reductions in dry-fermented sausages
Heir, Even; Holck, Askild Lorentz; Omer, Mohammed K.; Alvseike, Ole; Måge, Ingrid; Høy, Martin; Rode, Tone Mari; Sidhu, Maan Singh; Axelsson, Lars (Peer reviewed; Journal article, 2013)The effects of post-processing treatments on sensory quality and reduction of Shiga toxigenic Escherichia coli (STEC) in three formulations of two types of dry-fermented sausage (DFS; salami and morr) were evaluated. Tested ... -
Genome Analysis of Listeria monocytogenes Sequence Type 8 Strains Persisting in Salmon and Poultry Processing Environments and Comparison with Related Strains
Fagerlund, Annette; Langsrud, Solveig; Schirmer, Bjørn Christian; Møretrø, Trond; Heir, Even (Journal article, 2016) -
Genomic analysis of Listeria monocytogenes CC7 associated with clinical infections and persistence in the food industry
Møretrø, Trond; Wagner, Eva; Heir, Even; Langsrud, Solveig; Fagerlund, Annette (Peer reviewed; Journal article, 2024) -
Guideline: Use of whole genome sequencing for prevention and control of Listeria monocytogenes in the food industry
Langsrud, Solveig; Fagerlund, Annette; Møretrø, Trond; Heir, Even; Moen, Birgitte (Research report, 2024) -
Health and Safety Considerations of Fermented Sausages
Holck, Askild Lorentz; Axelsson, Lars; McLeod, Anette; Rode, Tone Mari; Heir, Even (Peer reviewed; Journal article, 2017) -
Improved control of Listeria monocytogenes during storage of raw salmon by treatment with the fermentate Verdad N6 and nisin
Heir, Even; Solberg, Lars Erik; Carlehög, Mats; Moen, Birgitte; Jensen, Merete Rusås; Holck, Askild Lorentz (Peer reviewed; Journal article, 2021)Fresh Atlantic salmon (Salmo salar) represents a healthy, nutritious food with global distribution and increasing consumption and economic value. Contaminating Listeria monocytogenes in fresh salmon represents a health ... -
Improved microbial and sensory quality of chicken meat by treatment with lactic acid, organic acid salts and modified atmosphere packaging
Heir, Even; Solberg, Lars Erik; Jensen, Merete Rusås; Skaret, Josefine; Grøvlen, Magnhild Seim; Holck, Askild Lorentz (Peer reviewed; Journal article, 2021)Microbial contamination and growth play important roles in spoilage and quality loss of raw poultry products. We evaluated the suitability of three commercially available organic acid based antimicrobial compounds, Purac ... -
Listeria monocytogenes biofilm removal using different commercial cleaning agents
Fagerlund, Annette; Heir, Even; Møretrø, Trond; Langsrud, Solveig (Peer reviewed; Journal article, 2020)Effective cleaning and disinfection (C&D) is pivotal for the control of Listeria monocytogenes in food processing environments. Bacteria in biofilms are protected from biocidal action, and effective strategies for the ... -
Listeria monocytogenes strains show large variations in competitive growth in mixed culture biofilms and suspensions with bacteria from food processing environments
Heir, Even; Møretrø, Trond; Simensen, Andreas; Langsrud, Solveig (Journal article; Peer reviewed, 2018) -
Mattrygghet
Hagtvedt, Therese; Heir, Even (Research report, 2016) -
Microbial Safety and Sensory Analyses of Cold-Smoked Salmon Produced with Sodium-Reduced Mineral Salts and Organic Acid Salts
Heir, Even; Jacobsen, Maria; Øvrum Gaarder, Mari; Berget, Ingunn; Dalgaard, Paw; Jensen, Merete Rusås; Holck, Askild Lorentz (Peer reviewed; Journal article, 2022)