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Gallus gallus breed:broiler chicken

ABSTRACT: Transcriptome analysis of bursa of Fabricius after saline and Salmonella typhimurium lipopolysaccharide treatment in young chickens

PROVIDER: PRJNA353102 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5042490.fastq.gz	Fastqsanger.gz
	SRR5042491.fastq.gz	Fastqsanger.gz
	SRR5042482.fastq.gz	Fastqsanger.gz
	SRR5042492.fastq.gz	Fastqsanger.gz
	SRR5042483.fastq.gz	Fastqsanger.gz

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Immunomodulatory effects of heat stress and lipopolysaccharide on the bursal transcriptome in two chicken lines

Project description:For this study, bursal transcriptome responses to an acute heat stress and/or lipopolysaccharide (LPS) were investigated in a broiler line (heat and disease susceptible) and an inbred Fayoumi line (heat and disease resistant) of chickens. In a 2 x 2 design, 22 day-old birds were exposed to heat stress (35°C for 7 hours), lipopolysaccharide (100 µg/kg average body weight per line), or both stressors. Thermoneutral temperature (25°C) and phosphate buffered saline were used as the respective controls. Tissue samples were collected from the bursa of Fabricius and used to isolate high quality RNA. cDNA libraries (n = 31) were constructed and sequenced (2 technical replicates per library; 62 total datasets) on the HiSeq 2500.

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Project description:Expression of known and predicted genes in tissues of Gallus gallus (chicken) pooled from multiple healthy individuals. Two-colour experiments with two different tissues hybridized to each array. Each tissue is arrayed in replicate with dye swaps. Tissues: Bursa of Fabricius, Cerebellum, Cerebral cortex, Eye, Femur with bone marrow, Gallbladder, Gizzard, Heart, Intestine, Kidney, Liver, Lung, Muscle, Ovary, Oviduct, Skin, Spleen, Stomach, Testis, Thymus

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Transcription profiling by array of differential gene expression in chicken primary B cells infected ex vivo with attenuated and very virulent strains of infectious bursal disease virus (IBDV)

Project description:Infectious bursal disease virus (IBDV) belongs to the family Birnaviridae and is economically important to the poultry industry worldwide. IBDV infects B cells in the bursa of Fabricius (BF), which can cause severe immunosuppression and mortality in young chickens. Earlier studies have shown that strains of IBDV lose their virulence potential after serial passage in non-B lymphoid cells, for reasons that are poorly understood. This study aimed to investigate the gene expression profiles of one cell-culture adapted attenuated IBDV strain (D78) and one very virulent IBDV strain (UK661) in chicken primary B cells cultured ex vivo from the bursa of Fabricius. The viruses were studied in B cells over 48h and their gene expression was initially evaluated with qPCR. The mRNA was isolated from the cells at 18 hours post-infection and screened with Affymetrix microarrays in triplicate. The study included mock controls which were conducted in triplicate.

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Changes in miRNA expression during infection with strong IBDV strains

Project description:In our previous studies, we found that the bursae of Fabricius in chickens infected with IBDV were severely atrophied and resulted in immune suppression in the chickens. Therefore, we decided to detect the differential expression of miRNA in chickens infected with IBDV by RNA-seq. We then used the data obtained from bursa of Fabricius RNA-seq for gene expression profiling. Our ultimate goal is to study the regulatory mechanisms of host mirnas on IBDV viruses or cells.

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A survey of gene expression in adult chicken tissues using a chicken 20K oligonucleotide microarray

Project description:Transcriptional profiling of eight normal adult chicken tissues in 10-week old brown (lohmann brown) hens, the eight tissues include brain, bursa of Fabricius, jejunum, kidney, liver, lung, spleen, thymus. Keywords: normal chicken tissues, transcriptional profiling.

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Project description:RNA-seq of mRNAs from spleen and bursa of Fabricius of white leghorn chickens (specific pathogen-free)

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Project description:A minor population of M cells within the follicle-associated epithelium (FAE) of intestinal Peyer’s patches (PP) serves as a major portal for entry of exogenous antigens. Characterization of the mammalian M cells, including identification of M-cell surface molecules used for bacterial uptake, has been hampered by their relative rarity. In contrast, M cells constitute virtually all of the FAE cells in the avian bursa of Fabricius. We therefore performed comparative gene expression profiling of chicken and murine FAE to identify commonly expressed genes by M cells in both species. The comprehensive transcriptome analysis revealed that 28 genes were commonly up-regulated in FAE from both species. In situ hybridization (ISH) revealed that annexin A10 (Anxa10) mRNA was scattered in FAE, and co-localized with Ulex europaeus agglutinin-1(UEA-1) that binds to M cells. Whole-mount immunostaining also revealed that cellular prion protein (PrPC) was expressed on the luminal side of the apical plasma membrane of M cells, and co-localized with grycoprotein2 (GP2) that recognizes only M cells in murine PP. Taken together, we found new M-cell-specific molecules by using comprehensive transcriptome analysis. These molecules conserved in M cells from both species might play critical roles in M-cell function and/or differentiation.

2009-08-19 | GSE16081 | GEO

Comparative proteomic analysis revealed the differential responses to novel duck reovirus infection in the bursa of Fabricius of Cairna moschata

Project description:Duck reovirus (DRV) is well-studied aquatic bird virus belonging to the Orthoreovirus genus of the Reoviridae family. The bursa of Fabricius is an immunologically organ against virus invasion. However, the responses of the bursa of Fabricius of Cairna moschata to DRV infection are largely unknown. To investigate the immune responses, the proteomes from the control and two DRV strain infected samples (NH and DJ) were compared. In total, 7075 protein were identified, of which 5625 protein were quantified. A number of differentially expressed proteins (DEPs), including 210 DEPs under the HN10 infection and 55 DEPs under the JD10 infection, were identified. Protein network analysis showed that the DEPs enriched in the serine protease system and the innate immune response clusters. For the serine protease systems, coagulation factor IX, three chains of fibrinogen, and complement C8, C5, and C2s were significantly up-regulated, suggesting that the serine protease-mediated immune might be involved in the responses to the HN10 infection. For the innate and adaptive immune system, RIG-I, MDA5, MAPK20, and IRF3 were significantly up-regulated, indicating their important role in the reorganization of invaded virus. Furthermore, the DEPs among different visceral organs (liver, spleen, and the bursa of Fabricius) were compared. coagulation factor IX was significantly up-regulated in the bursa of fabricius, not in the liver and spleen samples, suggesting an important role of the bursa of fabricius in antivirus. Our data may give a comprehensive resource for investigating the regulation mechanism involved in the responses of the bursa of Fabricius of duck to the DRV infections.

2022-08-12 | PXD025093 | Pride

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