Pig gut metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA575288 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10216329_1.fastq.gz | Fastqsanger.gz | |||
| SRR10216329_2.fastq.gz | Fastqsanger.gz | |||
| SRR10216330_1.fastq.gz | Fastqsanger.gz | |||
| SRR10216330_2.fastq.gz | Fastqsanger.gz | |||
| SRR10216331_1.fastq.gz | Fastqsanger.gz |
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Project description:An early settlement of a complex gut microbiota can protect against gastro-intestinal dysbiosis, but the effects of neonatal microbiota colonization on the gut barrier upon the further encounter of favorable bacteria or not, are largely unknown. The jejunal transcriptome of differently perfused intestinal loops of 12 caesarian-derived pigs previously associated with microbiota of different complexity was studied. Pigs received pasteurized sow colostrum at birth (d0), 2 mL of starter microbiota (10^7 CFU of each Lactob. Amylovorus (LAM), Clostr. glycolicum, and Parabacteroides spp.) on d1-d3 of age and either a placebo inoculant (simple association, SA) or an inoculant consisting of diluted feces of an adult sow (complex association, CA) on d3-d4 of age. On days 26-37 of age, jejunal loops were perfused for 8 h with either enterotoxigenic E. coli F4 (ETEC), F4 fimbriae (F4), LAM or saline (CTRL) and jejunal samples were obtained from each piglet immediately afterwards. The analysis of whole mRNA transcript expression was done by Affymetrix©Porcine Gene 1.1 ST array strips, a Robust Multichip Analysis was performed on the CEL files, and Transcripts IDâs were associated to 13,406 Human gene names, based on Sus scrofa Ensemble
2016-02-11 | E-GEOD-77787 | biostudies-arrayexpress
Project description:A CNV map in pigs could facilitate the identification of chromosomal regions that segregate for important economic and disease phenotypes. The goal of this study was to identify CNV regions (CNVRs) in pigs based on a custom array comparative genome hybridization (aCGH). We carried out a custom-made array comparative genome hybridization (aCGH) experiment in order to identify copy number variations (CNVs) in the pig genome analysing animals of diverse pig breeds (White Duroc, Yangxin, Erhualian, Tongcheng, Large White, Pietrain, Landrace and Chinese new pig line DIV ) using a tiling oligonucleotide array with ~720,000 probes designed on the pig genome (Sus scrofa genome version 9.0).
2013-08-09 | GSE41488 | GEO
Project description:Three different stages of pig antral follicles have been studied in a granulosa-cell transcriptome analysis on nylon microarrays (1152 clones). The data have been generated from 7 RNA follicle pools and several technical replicates were made. Four Large, one Medium and two Small follicles pools were considered. For each follicle pool, 2 radioactive labellings were performed. Each membrane was exposed 16 hours (to avoid saturation of the signal of highly expressed genes) and 28 hours (to get some signal from lowly expressed genes). Each probe was hybridised on GPL3971 scag_scai Sus scrofa 1.2K mono array and on GPL3970 scag_scai Sus scrofa 4.6K triplicate array (except for GFS2172 which was labelled only once and hybridised onto 2 GPL3971 scag_scai Sus scrofa 1.2K mono array membranes), so that 4 spots are available for each gene (and 2 spots for GFS2172), for a given RNA and a given radioactive labelling. Keywords: granulosa-cell transcriptome analysis data consisted in (6 RNA x 2 labellings) + (GFS2172 RNA X 1 labelling)= 13 probes, 26 hybridisations, 52 images.
2010-06-30 | E-GEOD-5299 | biostudies-arrayexpress
Project description:Three different stages of pig antral follicles have been studied in a granulosa-cell transcriptome analysis on nylon microarrays (1152 clones). The data have been generated from 7 RNA follicle pools and several technical replicates were made. Four Large, one Medium and two Small follicles pools were considered. For each follicle pool, 2 radioactive labellings were performed. Each membrane was exposed 16 hours (to avoid saturation of the signal of highly expressed genes) and 28 hours (to get some signal from lowly expressed genes). Each probe was hybridised on GPL3971 scag_scai Sus scrofa 1.2K mono array and on GPL3970 scag_scai Sus scrofa 4.6K triplicate array (except for GFS2172 which was labelled only once and hybridised onto 2 GPL3971 scag_scai Sus scrofa 1.2K mono array membranes), so that 4 spots are available for each gene (and 2 spots for GFS2172), for a given RNA and a given radioactive labelling. Keywords: granulosa-cell transcriptome analysis
2008-06-12 | GSE5299 | GEO
Project description:Proteins are essential for sperm function, including fertilizing capacity. Pig spermatozoa, emitted in well-defined ejaculate fractions, clearly vary in their functionality, which would be related to differences in protein composition. This study aimed firstly to update the porcine sperm proteome and secondly to identify proteins differentially expressed among mature spermatozoa from cauda epididymis and those fortuitously delivered in different ejaculate portions. Nine ejaculates from nine mature and fertile boars were manually collected in three separate ejaculate portions: the first 10 mL of sperm-rich ejaculate fraction (SRF), the rest of SRF and the post-SRF. The contents of cauda epididymides of the same boars was collected post-mortem by perfusion. All samples were centrifuged, pooling the resulting sperm pellets within the respective source-sample, which were later split to generate two technical replicates per source. The final eight sperm samples were subjected to iTRAQ-based 2D-LC-MS/MS for protein identification and quantification. A total of 1,723 proteins were identified (974 of Sus Scrofa taxonomy) and 1,602 of them were also quantified (960 of Sus Scrofa taxonomy). After an ANOVA test, 32 Sus Scrofa proteins showed quantitative differences (P < 0.01) among the sperm samples, which were particularly relevant for the functionality of spermatozoa fortuitously ejaculated in the post-SRF. The present study is the first showing quantitative differences in the protein profile of mature spermatozoa, involving proteins clearly implicated in sperm function, that prove the protein profile of boar spermatozoa is remodelled during ejaculation . These findings provide a valuable groundwork for further studies focused on identifying protein biomarkers of sperm fertility.
2018-10-02 | PXD010062 | Pride
Project description:A CNV map in pigs could facilitate the identification of chromosomal regions that segregate for important economic and disease phenotypes. The goal of this study was to identify CNV regions (CNVRs) in pigs based on a custom array comparative genome hybridization (aCGH). We carried out a custom-made array comparative genome hybridization (aCGH) experiment in order to identify copy number variations (CNVs) in the pig genome analysing animals of diverse pig breeds (White Duroc, Yangxin, Erhualian, Tongcheng, Large White, Pietrain, Landrace and Chinese new pig line DIV ) using a tiling oligonucleotide array with ~720,000 probes designed on the pig genome (Sus scrofa genome version 9.0). In this study, a custom-made tiling oligo-nucleotide 720k array was used with a median probe spacing of 2506 bp for screening 12 pigs with a female Duroc as the reference. WD: White Duroc (♀); YX: Yangxin (♂); EH: Erhualian (♀); TC: Tongcheng (♀); LW: Large White (♀); PT: Pietrain (♂); LD1: Landrace × DIV pig 1 (♂); LD2: Landrace × DIV pig 2 (♀); DIV1: Chinese new pig line DIV 1 (♀); DIV2: Chinese new pig line DIV 2 (♀); L1: Landrace 1 (♂); L2: Landrace 2 (♂).
2013-08-09 | E-GEOD-41488 | biostudies-arrayexpress
Project description:Developing cost-effective and disease-relevant animal models is essential for advancing biomedical research into human disorders. This study investigates the feasibility of a pig model for autism spectrum disorder (ASD) using embryonic exposure to valproic acid (VPA), an antiepileptic drug known to increase ASD risk. We established experimental paradigms to assess the behavioral characteristics of these pig models. Administration of VPA to Bama miniature pigs (Sus scrofa domestica) during critical embryonic stages resulted in abnormal gait, increased anxiety levels, reduced learning capabilities, and altered social patterns, while largely preserving social preference of treated piglets. Notably, we detected significant neuroanatomical changes in cortical regions associated with ASD in the VPA-treated pigs, including cortical malformation, increased neuronal soma size, decreased dendritic complexity, and reduced dendritic spine maturation. Transcriptome analysis of the prefrontal cortex of VPA-treated pigs further revealed substantial alterations in the expression of genes linked to ASD, especially genes of the dopamine signaling pathway, highlighting the model’s relevance and potential for shedding light on ASD’s underlying neuropathological and molecular mechanisms. These findings suggest that pig models could serve as a promising alternative to traditional rodent models and provide an ethical substitute for using primates in the translational research of neurodevelopmental disorders.
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Project description:For gaining additional insights into the composition of the testicular proteome of the domestic pig (Sus scrofa domestica), we conducted 2DE-MS. Two-dimensional SDS PAGE was run on testicular lysates of three boars, with three gels per boar. Upon matching across gels, we arbitrarily selected protein spots for mass spectrometry analysis. Excised slices were vacuum dried and soaked with digestion buffer containing trypsin (0.01 μg/μl), followed by overnight incubation at 37°C in the same buffer without trypsin. Subsequently, peptides were extracted in solvents of increasing acetonitrile content, by sonication. Upon vacuum-centrifugation, peptides were reconstituted in 0.1% formic acid (FA). Following this, peptides were fractionated by reversed phase liquid chromatography (C18; buffer A: 0.1% FA dissolved in HPLC-H2O; buffer B: 0.1% FA, dissolved in CAN; flow-rate: 0.4 µL/min; gradient: 2-30% in 30 minutes). Eluted peptides were injected via an electrospray ionization interface into a Q-TOF mass spectrometer (one boar, Q TOF Ultima, Micromass/Waters, Manchester, UK) and an ion-trap mass spectrometer (two other boars, XCT ion-trap, Agilent Technologies, Waldbronn, Germany). We used ProteomeDiscoverer 2.4 (Thermo Fisher Scientific, San Jose, USA) for peptide and protein identification. Using Sequest HT, we searched peak lists (*.mgf) against the Sus scrofa reference proteome database (UniProt Proteome ID: UP000008227, 49,793 proteins).
2022-08-12 | PXD015649 | Pride