Food metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA428753 | ENA |
REPOSITORIES: ENA
Similar Datasets
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Project description:Colorectal cancer (CRC) is the second most prevelant malignancy in Europe and diet is an important modifiable risk factor. Processed meat consumption, including meats with preservative salts such as sodium nitrite, have been implicated in CRC pathogenesis. This study investigated how the CRC pathology and metabolic status of adenomatous polyposis coli (APC) multiple intestinal neoplasia (min) mice was perturbed following 8 weeks of pork meat consumption.Dietary inclusions (15%) of either nitrite-free pork, nitrite-free sausage or nitrite-containing sausage (frankfurter) were compared against a parallel control group (100% chow). Comprehensive studies investigated: gastrointestinal tract histology (tumours, aberant crypt foci (ACF) and mucin deplin foci (MDF), lipid peroxidation (urine and serum), faecal microbiota and serum metabolomics (599 metabolites).
2022-09-20 | ST002313 | MetabolomicsWorkbench
Project description:Staphylococcus xylosus is used as starter culture for sausage fermentation for a long time but the molecular mechanisms for its adaptation in meat remained unknown. A global transcriptomic approach was carried out to determine these molecular mechanisms. S. xylosus modulated the expression of about 30% of the total genes during its growth and survival in the meat model. The expression of many genes encoding enzymes involved in glucose and lactate catabolism was up regulated. In parallel, genes encoding transport of peptides and peptidases that could furnish amino acids were up expressed and thus concomitantly a lot of genes involved in amino acids synthesis were down regulated. Finally S. xylosus responded to salt added in the meat model by over expressing genes involved in transport and synthesis of osmoprotectants, Na+ and H+ extrusion and in production of energy through the F0F1-ATPase.
2016-01-04 | GSE69743 | GEO
Project description:Metagenome from Piedmontese fermented meat
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Project description:Staphylococcus xylosus is used as starter culture for sausage fermentation for a long time but the molecular mechanisms for its adaptation in meat remained unknown. A global transcriptomic approach was carried out to determine these molecular mechanisms. S. xylosus modulated the expression of about 30% of the total genes during its growth and survival in the meat model. The expression of many genes encoding enzymes involved in glucose and lactate catabolism was up regulated. In parallel, genes encoding transport of peptides and peptidases that could furnish amino acids were up expressed and thus concomitantly a lot of genes involved in amino acids synthesis were down regulated. Finally S. xylosus responded to salt added in the meat model by over expressing genes involved in transport and synthesis of osmoprotectants, Na+ and H+ extrusion and in production of energy through the F0F1-ATPase. Microarray was used to evaluate modification in the transcriptome of S. xylosus C2a strain in the inoculum (Mx) or in meat (V). Three biological replicates were collected on separate days for samples and labelled following a dye-switch design; for each condition one labeling in Cy3 and one in Cy5.
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