Browsing Institutt for kjemisk prosessteknologi by Author "Riedel, Christian U."
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Analysis of temporal gene regulation of Listeria monocytogenes revealed distinct regulatory response modes after exposure to high pressure processing
Nikparvar, Bahareh; Andreevskaya, Margarita; Duru, Ilhan C.; Bucur, Florentina I.; Leontina, Grigore-Gurgu; Borda, Daniela; Nicolau, Anca I.; Riedel, Christian U.; Auvinen, Petri; Bar, Nadav (Peer reviewed; Journal article, 2021)Background The pathogen Listeria (L.) monocytogenes is known to survive heat, cold, high pressure, and other extreme conditions. Although the response of this pathogen to pH, osmotic, temperature, and oxidative stress has ... -
The complete genome sequence of Listeria monocytogenes strain S2542 and expression of selected genes under high-pressure processing
Duru, Ilhan Cem; Bucur, Florentina Ionela; Andreevskaya, Margarita; Ylinen, Anne; Crauwels, Peter; Grigore-Gurgu, Leontina; Nikparvar, Bahareh; Rode, Tone Mari; Laine, Pia; Paulin, Lars; Løvdal, Trond; Riedel, Christian U.; Bar, Nadav; Borda, Daniela; Nicolau, Anca Ioana; Auvinen, Petri (Peer reviewed; Journal article, 2021)Objectives The study aims to generate the whole genome sequence of L. monocytogenes strain S2542 and to compare it to the genomes of strains RO15 and ScottA. In addition, we aimed to compare gene expression profiles of ... -
A Diffusion Model to Quantify Membrane Repair Process in Listeria Monocytogenes Exposed to High Pressure Processing based on Fluorescence Microscopy Data
Nikparvar, Bahareh; Subires, Alicia; Capellas, Marta; Hernandez-Herrero, Manuela; Crauwels, Peter; Riedel, Christian U.; Bar, Nadav (Peer reviewed; Journal article, 2021)The effects of environmental stresses on microorganisms have been well-studied, and cellular responses to stresses such as heat, cold, acids, and salts have been extensively discussed. Although high pressure processing ... -
Genomic characterization of the most barotolerant Listeria monocytogenes RO15 strain compared to reference strains used to evaluate food high pressure processing
Duru, Ilhan Cem; Andreevskaya, Margarita; Laine, Pia; Rode, Tone Mari; Ylinen, Anne; Løvdal, Trond Karsten; Bar, Nadav; Crauwels, Peter; Riedel, Christian U.; Bucur, Florentina Ionela; Nicolau, Anca Ioana; Auvinen, Petri (Peer reviewed; Journal article, 2020)Background: High pressure processing (HPP; i.e. 100–600 MPa pressure depending on product) is a non-thermal preservation technique adopted by the food industry to decrease significantly foodborne pathogens, including ... -
High-pressure processing-induced transcriptome response during recovery of Listeria monocytogenes
Duru, IC; Bucur, FI; Andreevskaya, Margarita; Nikparvar, Bahareh; Ylinen, Anne; Grigore-Gurgu, L; Rode, Tone Mari; Crauwels, Peter; Laine, P; Paulin, L; Løvdal, Trond; Riedel, Christian U.; Bar, Nadav; Borda, Daniella; Nicolau, Anca Ioana; Auvinen, Petri (Peer reviewed; Journal article, 2021)Background High-pressure processing (HPP) is a commonly used technique in the food industry to inactivate pathogens, including L. monocytogenes. It has been shown that L. monocytogenes is able to recover from HPP injuries ... -
Intracellular pHluorin as Sensor for Easy Assessment of Bacteriocin-Induced Membrane-Damage in Listeria monocytogenes
Crauwels, Peter; Schäfer, Leonie; Weixler, Dominik; Bar, Nadav; Diep, Dzung B.; Riedel, Christian U.; Seibold, Gerd M. (Journal article; Peer reviewed, 2018)Bacteriocins are antimicrobial peptides naturally produced by many bacteria and were shown to be effective against various pathogens including Listeria monocytogenes. L. monocytogenes is a food-borne pathogen that frequently ... -
Recombinant production of the lantibiotic nisin using Corynebacterium glutamicum in a two-step process
Weixler, D.; Berghoff, M; Ovchinnikov, Kirill; Reich, Sebastian; Goldbeck, Oliver; Seibold, Gerd M.; Wittmann, Christoph; Bar, Nadav S; Eikmanns, Bernhard J; Diep, Dzung B.; Riedel, Christian U. (Peer reviewed; Journal article, 2022)Background The bacteriocin nisin is naturally produced by Lactococcus lactis as an inactive prepeptide that is modified posttranslationally resulting in five (methyl-)lanthionine rings characteristic for class Ia ...