Feces metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA627544 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11608100_1.fastq.gz | Fastqsanger.gz | |||
| SRR11608100_2.fastq.gz | Fastqsanger.gz | |||
| SRR11608101_1.fastq.gz | Fastqsanger.gz | |||
| SRR11608101_2.fastq.gz | Fastqsanger.gz | |||
| SRR11608102_1.fastq.gz | Fastqsanger.gz |
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Project description:Milk and soy are reported to contain bioactive molecules with antibacterial and immunomodulatory actions, which may be beneficial to people with IBD. The aim of this study was to determine whether diets containing ruminant milk or soy solids reduce intestinal inflammation in Il10-/- mice. Male Il10-/- mice and C57BL/6J mice were fed diets containing 40% (w/w) sheep, goat, or cow whole milk powder, 40% (w/w) soy solids (NOW® Foods Soy Milk Powder, Instant), or one of two control diets (casein-free modified-AIN76A or standard AIN76A) from 4 to 11 weeks of age. Diets were based on AIN76A, which was included as an inter-experimental control for inflammation. For all diets except AIN76A, total protein, fat, carbohydrate and energy were kept as similar as possible. Weight and food intake were measured throughout the experiment (three times weekly), and intestinal tissue was taken for histopathology evaluation of inflammation and analysis of gene expression. Analysis of mouse weight and feed intake both showed a significant strain-diet interaction: Il10-/- mice fed the cow and goat milk diets ate less and gained less weight than all the other diet groups. This diet effect was not evident for the C57BL/6J mice. Il10-/- mice on the cow and goat milk diets had reduced colon histological injury scores relative to those on the other diets. Il10-/- mice on the cow and goat milk diets also had reduced expression of many immune/inflammatory-related genes and pathways.
2019-12-01 | GSE39830 | GEO
Project description:<p>Mature milk, as a nutrient-rich endogenous metabolite, has various beneficial effects on the human body. In order to investigate the specific nutrients provided by different dairy products to humans, we used UHPLC-Q-TOF MS to analyze the highly significantly differentially expressed metabolites in 13 species of mammalian mature milk, which were grouped into 17 major metabolite classes with 1992 metabolites based on chemical classification. KEGG shows that 5 pathways in which differentially significant metabolites are actively involved are ABC transporters, Purine metabolism, Pyrimidine metabolism, Phosphotransferase system, Galactose metabolism. The study found that pig milk and goat milk are closer to human milk and contain more nutrients that are beneficial to human health, followed by camel milk and cow milk. In the context of dairy production, the development of goat milk is more likely to meet human needs and health.</p>
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Project description:Comparison of goat and cow milk-derived extracellular vesicle miRNomes (microRNA expression profiles) determined usiing RNA-sequencing (NGS).
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Project description:Camel milk is widely characterized with regard to caseins and whey proteins. However, in camelids, close to nothing is known about the Milk Fat Globule Membrane (MFGM), the membrane surrounding fat globules in milk. The purpose of this study was thus to identify MFGM proteins from Camelus dromedarius milk. Major MFGM proteins (namely, fatty acid synthase, xanthine oxidase, butyrophilin, lactadherin, and adipophilin) already evidenced in cow milk were identified in camel milk using mass spectrometry. In addition, a 1D-LC-MS/MS approach led us to identify 322 functional groups of proteins associated with the camel Milk Fat Globule Membrane. We hope that these findings will contribute to a better characterization of camel milk and to an improved understanding of lipid droplet formation in the mammary epithelial cell.
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Project description:Given that different diets could alter cow milk yield and composition, the effects of different feed formula on milk extracellular vesicle (EV) miRNAs were detected. Cow milk EVs contained various small RNAs, including miRNAs, snRNAs, tiRNAs, Cis-regulatory elements, and piRNAs. Two hundred and seventy-six known bos taurus miRNAs were identified by sequencing in bovine milk EVs. There were 13 immune-related miRNAs in the top 20 miRNAs in milk EVs. Nine differently expressed known miRNAs were detected in responding to different feed formulations. Cow milk EVs are abundant of small RNAs, especially miRNAs, which might be closely related to the development of maternal mammary gland and neonatal immune maturity.
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Project description:Milk-derived extracellular vesicles (mEVs) have been proved to play a critical role in intercellular communication, mainly through the microRNAs (miRNAs) that they carry, to regulate biological functions of the target cells. Given miRNAs are evolutionarily conserved, EVs present in commercial milk may play a role in the physiology and health consumers. It is therefore essential to know the effects of technological treatments such as skimming and spray drying on the EV content of milk powders and on the cargo of bioactive molecules, in particular miRNAs, that they convey. Since goat’s milk or goat milk based formulas are considered as a healthy alternative for infants with cow’s milk sensitivities, including allergy, we undertook to analyze the EV content of skimmed and unskimmed goat's milk powders and to characterize their RNA content, in particular their miRNomes. mEVs were isolated using an optimized protocol based on Size Exclusion Chromatography (SEC) and compared regarding morphology, number and size by Transmission Electron Microscopy (TEM) and Nanoparticle Tracking Analysis (NTA). Their RNA and protein content were determined and their miRNomes established, using RNA sequencing. In this study we demonstrated that goat milk powders, skimmed or not upstream the spray drying treatment, contained many mEVs, ranging from 5.4 1011 to 2.5 1012 particles per mL of reconstituted milk, with an average size between 136.8 and 160.6 nm. We also demonstrated that mEVs carried significant amounts of RNA, including miRNAs. Using RT-qPCR, mRNAs encoding five of the major milk proteins were detected, suggesting that mEVs originated from mammary epithelial cells. We established the goat milk powder miRNome by identifying 351 miRNAs of which 233 are common to the 262 miRNAs previously profiled in raw goat milk. The 20 most abundant miRNAs (TOP 20) account for 80% of the total reads and the hierarchy of this TOP 20 miRNAs is somewhat overturned when comparing goat milk powder and raw goat milk. Surprisingly, whereas the comparison of raw from cow and goat milk confirmed the prevalence of miR-148a, miR-21-5p and miR-26a/miR-30a-5p, let-7a-5p and let-7f, which occupied ranks 1 and 2, respectively, in powders, were relegated to ranks 6 and 10 and 5 and 11 in raw goat and cow milk, respectively. Conversely to what was previously reported, we provide evidence that: i) EVs of typical morphology are present in goat milk powders; ii) mEVs survived the technological processes used to produce the powders; iii) their miRNA cargo is protected from degradation even though their miRNomes are not an exact mirror of miRNomes of EVs derived from fluid raw milk.
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Project description:In comparison with cow milk, goat (Capra hircus) milk contains much higher levels of unsaturated fatty acids, as well as higher levels of total fat, proteins, carbohydrates, calcium, and vitamins.The main objective of the present study was to better define the relationship of known miRNAs regulating milk fat metabolism. Our main purpose is to search for some known miRNAs regulating milk fat metabolism, to this end, we screened potential miRNAs with differential expression between peak-lactation and non-lactation. qPCR gene expression profiling. Monocytes from three healthy goats (3 year old) of similar body weight. We screened a series of potential miRNAs involved in regulation of milk metabolism.
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