Turkey astrovirus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA69633 | ENA |
REPOSITORIES: ENA
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Project description:Ribosome profiling (RiboSeq) is a high-throughput sequencing technique for globally mapping the positions of translating ribosomes on the transcriptome. We infected Caco2 cells with human astrovirus 1 (HAstV1). Cells were harvested at 12 hpi and either flash frozen with no pre-treatment (NT), or pre-treated with lactimidomycin for 30 minutes followed by flash freezing (LTM). These samples where then used for ribosome profiling.
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Project description:Infections of the central nervous system (CNS) in humans are on the rise due to changing environmental conditions and increase in vulnerable populations comprised of immunocompromised subjects with primary (genetic) or secondary (acquired) immunodeficiency. Many viruses take the opportunity to invade the CNS by capitalizing on impaired immunity of the host. Here we investigate neuropathogenesis of a rare CNS infection in immunocompromised patients caused by the astrovirus and show that it shares many features with another opportunistic infection of the CNS associated with human immunodeficiency virus. We show that astrovirus infects CNS neurons with a major impact on the brainstem. This leads to disrupted synaptic integrity loss of afferent innervation related to infected neurons and global impairment of both excitatory and inhibitory neurotransmission. In the settings of impaired peripheral adaptive immunity host responses to astrovirus infection are dominated by the microglia-macrophage-phagocytosis axis which may be a common compensatory defense mechanism employed by the CNS against opportunistic infections.
2023-07-18 | GSE201384 | GEO
Project description:Turkey embryos are very sensitive to perturbations in energy metabolism because they have a wider hatching window than chicken embryos. Mortality of turkey embryos during late-term incubation is high relative to chickens, and many surviving hatchlings have compromised vitality. Intestinal maturation at hatch is also crucial to survival and post-hatch performance. The study of poultry embryo metabolism during the last stages of incubation is difficult due to many shifts and changes that occur in preparation for hatching. Microarray technology is suitable to study complex biological systems like avian late-term embryonic development. Therefore, the objectives of this study were to create a customized focused oligonucleotide microarray based on chicken genome sequences that could be used to study late-term avian metabolism and intestinal maturation, and use this array to survey turkey embryos gene expression from 20 days of incubation until hatch. The key features of this microarray are that all genes present have been annotated and gene spot replication (4) within each array chip. Microarray analysis was performed on liver, pectoral muscle, hatching muscle, and duodenum Keywords: time course, embryo development
2008-01-31 | GSE9474 | GEO
Project description:Turkey embryos are very sensitive to perturbations in energy metabolism because they have a wider hatching window than chicken embryos. Mortality of turkey embryos during late-term incubation is high relative to chickens, and many surviving hatchlings have compromised vitality. Intestinal maturation at hatch is also crucial to survival and post-hatch performance. The study of poultry embryo metabolism during the last stages of incubation is difficult due to many shifts and changes that occur in preparation for hatching. Microarray technology is suitable to study complex biological systems like avian late-term embryonic development. Therefore, the objectives of this study were to create a customized focused oligonucleotide microarray based on chicken genome sequences that could be used to study late-term avian metabolism and intestinal maturation, and use this array to survey turkey embryos gene expression from 20 days of incubation until hatch. The key features of this microarray are that all genes present have been annotated and gene spot replication (4) within each array chip. Microarray analysis was performed on liver, pectoral muscle, hatching muscle, and duodenum Keywords: time course, embryo development Pooled samples from 6 embryos were arraged on a complete interwoven loop design where each treatment (embryonic ages 20, 22, 24, 26 and 28) was replicated 4 times (2 dye-swaps).
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