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International Life Science Institute North America Cronobacter (Formerly Enterobacter sakazakii) Isolate Set

Autor: Martin Wiedmann, Jeffrey M. Farber, Reid A. Ivy, Franco Pagotto

Publikováno v: Journal of Food Protection. 76:40-51

Foodborne pathogen isolate collections are important for the development of detection methods, for validation of intervention strategies, and to develop an understanding of pathogenesis and virulence. We have assembled a publicly available Cronobacte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12550c24bb63ec1d670d64afc2e8f854
https://doi.org/10.4315/0362-028x.jfp-11-546

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Identification and Characterization of Psychrotolerant Sporeformers Associated with Fluid Milk Production and Processing

Autor: Nicole H. Martin, Reid A. Ivy, Martin Wiedmann, M.L. Ranieri, Henk C. den Bakker, Bruno M. Xavier, Kathryn J. Boor

Publikováno v: Applied and Environmental Microbiology. 78:1853-1864

Psychrotolerant spore-forming bacteria represent a major challenge to the goal of extending the shelf life of pasteurized dairy products. The objective of this study was to identify prominent phylogenetic groups of dairy-associated aerobic sporeforme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2d5e09169892f3073d8f936c4fbd632
https://doi.org/10.1128/aem.06536-11

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Salt Stress-Induced Transcription of σB- and CtsR-Regulated Genes in Persistent and Non-persistentListeria monocytogenesStrains from Food Processing Plants

Autor: Daina L. Ringus, Kathryn J. Boor, Martin Wiedmann, Reid A. Ivy

Publikováno v: Foodborne Pathogens and Disease. 9:198-206

Listeria monocytogenes is a foodborne pathogen that can persist in food processing environments. Six persistent and six non-persistent strains from fish processing plants and one persistent strain from a meat plant were selected to determine if expre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e1002bf4c7198f8795187674c905e6e
https://doi.org/10.1089/fpd.2011.1000

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inlAPremature Stop Codons Are Common amongListeria monocytogenesIsolates from Foods and Yield Virulence-Attenuated Strains That Confer Protection against Fully Virulent Strains

Autor: B. L. Njaa, Martin Wiedmann, Alphina Ho, Esther D. Fortes, Kendra K. Nightingale, R. M. Peters, Reid A. Ivy

Publikováno v: Applied and Environmental Microbiology. 74:6570-6583

Previous studies showed that a considerable proportion ofListeria monocytogenesisolates obtained from foods carry a premature stop codon (PMSC) mutation ininlAthat leads to production of a truncated and secreted InlA. To further elucidate the role th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87ccb70d88df9abaf3887d46f76ea1a4
https://doi.org/10.1128/aem.00997-08

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Listeria monocytogenes F2365 Carries Several Authentic Mutations Potentially Leading to Truncated Gene Products, Including InlB, and Demonstrates Atypical Phenotypic Characteristics

Autor: Martin Wiedmann, Sara R. Milillo, Alphina Ho, Haley F. Oliver, Kendra K. Nightingale, Reid A. Ivy

Publikováno v: Journal of Food Protection. 70:482-488

Searches of the genome annotation of Listeria monocytogenes F2365, an isolate from the 1985 listeriosis epidemic in California, showed that this strain carries 20 authentic mutations resulting in premature stop codons, including a nonsense mutation i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad50971b0edc93636ec86c5ed317e529
https://doi.org/10.4315/0362-028x-70.2.482

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Real-Time PCR Detection of Paenibacillus spp. in Raw Milk To Predict Shelf Life Performance of Pasteurized Fluid Milk Products

Autor: W. Robert Mitchell, M.L. Ranieri, Martin Wiedmann, Emma Call, Kathryn J. Boor, Reid A. Ivy, Stephanie N. Masiello

Psychrotolerant sporeformers, specifically Paenibacillus spp., are important spoilage bacteria for pasteurized, refrigerated foods such as fluid milk. While Paenibacillus spp. have been isolated from farm environments, raw milk, processing plant envi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82747164db8a774db7b3bec0485957df
https://europepmc.org/articles/PMC3406147/

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Listeria monocytogenes Grown at 7°C Shows Reduced Acid Survival and an Altered Transcriptional Response to Acid Shock Compared to L. monocytogenes Grown at 37°C

Autor: Reid A. Ivy, Martin Wiedmann, Kathryn J. Boor

Survival of the food-borne pathogen Listeria monocytogenes in acidic environments (e.g., in the human stomach) is vital to its transmission. Refrigerated, ready-to-eat foods have been sources of listeriosis outbreaks. The purpose of this study was to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37429a2c38272289ad92592724d62e64
https://europepmc.org/articles/PMC3346412/

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Evaluation of various selective media for the detection of Pseudomonas species in pasteurized milk

Autor: Martin Wiedmann, Reid A. Ivy, Kathryn J. Boor, S.C. Murphy, J.A. Van Tassell, Nicole H. Martin

Publikováno v: Journal of dairy science. 95(3)

Pseudomonas spp. are common gram-negative, post-pasteurization contaminants that contribute to spoilage of pasteurized dairy products. This study evaluated 5 common selective media for detecting Pseudomonas spp. in pasteurized milk. The performance o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d27c8a672f79e4f4e69e1b1e2965eed1
https://pubmed.ncbi.nlm.nih.gov/22365238

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