Ontology highlight
ABSTRACT:
PROVIDER: PRJNA882625 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR21763344.fastq.gz | Fastqsanger.gz | |||
| SRR21763345.fastq.gz | Fastqsanger.gz | |||
| SRR21763346.fastq.gz | Fastqsanger.gz | |||
| SRR21763347.fastq.gz | Fastqsanger.gz | |||
| SRR21763348.fastq.gz | Fastqsanger.gz |
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Project description:Rib bone growth in red deer stags - Abstract: In 'The Bone and Joint Decade' interest is focused on genetic factors causing bone disorders. Osteoporosis, attacking 10% of the population worldwide, is the most common metabolic bone disease, which is mimiced by several ovarectomised or genetically modified 'cascadeur' animal species, but none of them is able to remedy its pathologically porous bone tissue. Regeneration in skeletal elements is the curiosity of our newly investigated osteoporosis animal model, red deer (Cervus elaphus). The cyclic physiological osteoporosis in red deer stag is a consequence of the annual antler cycle. This phenomenon raises the possibility to explore new genes involved in regulating bone mineral density (BMD) and recovery of bone resorption on the basis of comparative genomics between deer and human. Here we compared the gene expression activities of osteoporotic and regenerating flying rib bone samples versus late autumn dwell control in red deer by heterologous microarray hybridization. Identified genes were tested on human femoral bone tissue from postmenopausal osteoporotic and non-osteoporotic patients. Expression data were evaluated by Principal Components Analysis and Discriminant Analysis. Keywords: Gene Expression experiment
2008-11-23 | GSE8075 | GEO
Project description:Bovine tuberculosis (bTB), caused by Mycobacterium bovis (Mycobacterium tuberculosis complex), is a zoonotic disease that affects cattle and wildlife worldwide. In some regions of Spain, Iberian red deer (Cervus elaphus hispanicus) can serve as reservoir of infection, thus increasing the risk of human and cattle exposure and infection. Mesenteric lymph nodes are naturally infected with M. bovis in Iberian red deer, in which the digestive route of infection is particularly important in Mediterranean Spain. In this study we characterized the differential expression of inflammatory and immune response genes in mesenteric lymph nodes of Iberian red deer naturally infected with M. bovis using a Ruminant Immuno-inflammatory Gene Universal Array (RIGUA) and real-time RT-PCR. Of the 600 genes that were analyzed in the microarray, 157 showed ? 1.2 fold changes in expression in infected or uninfected deer and 17 genes displayed an expression fold change greater than 1.7 with a P-value ? 0.05 and were selected for further analysis. These genes included tight junction proteins (Z02 and occluding), IL-11R, bactenecin, CD62L, CD74, desmoglein, IgA and IgM that constitute new findings and suggest new mechanisms by which M. bovis may modulate host inflammatory and immune responses. Identification of genes differentially expressed in animals and tissues naturally infected with M. bovis contributes to our basic understanding of the mechanisms of pathogenesis and protective immunity to mycobacterial infections and may have important implications for future functional genomic and vaccine studies to aid in the control of bTB in deer and other wildlife reservoir species. Mesenteric lymph node RNA from four different uninfected Iberian red deer stags and two Iberian red deer stags infected with Mycobacterium bovis. Infected animals were naturally infected with M. bovis. All animals were hunter-harvested and the tissues retrieved 2-6 hrs after animal hunting.
2007-10-17 | E-GEOD-6083 | biostudies-arrayexpress
Project description:Anaplasma and Mycobacterium species are known to modify gene expression in ruminants. The objectives of this study were (a) to characterize global gene expression profiles in European red deer (Cervus elaphus) in response to Anaplasma ovis and A. ovis/Mycobacterium bovis/M. avium sub. paratuberculosis (MAP) infections, (b) to compare the expression of immune response genes between A. ovis- and A. ovis/M. bovis/MAP-infected deer, and (c) to characterize the differential expression of immune response genes identified in red deer in cattle infected with M. bovis and A. marginale. The results of this study showed that global gene differential expression in A. ovis- and A. ovis/M. bovis/MAP-infected deer results in the modification of common and pathogen-specific cellular biological processes. The differential expression of host immune response genes also showed pathogen-specific signatures and the effect of infection with multiple pathogens on red deer host immune response. These results suggested that intracellular bacteria from Anaplasma and Mycobacterium genera use similar mechanisms to infect and multiply within ruminant host cells while pathogen-specific mechanisms underline differences that could contribute to disease characterization and diagnosis in ruminants.
2010-12-31 | GSE21967 | GEO
Project description:The aim of the study was to identify genes which are differentially expressed in the peripheral blood nuclear cells of two breeds of cattle (Holstein-Friesian and Polish Red) and cervine in different points in their physiological states (dry-off period, peak of lactation) RNA from peripheral blood nuclear cells taken from cattle and cervine in peak lactation and dry period were hybridized to Agilent two color microarrays with a common reference. There were four Holstein-Friesian cattle, four Polish Red cattle and four deer investigated. The whole blood was drawn in two time point from each animal – during dry period and peak lactation. This means that there were six research groups (Holstein-Friesian cattle in dry period and Holstein-Friesian cattle in peak lactation; Polish Red cattle in dry period and Polish Red cattle in peak lactation; Deer in dry period and Deer in peak lactation). Using Gene Spring Software (one-way ANOVA and Tukey's HSD Post-hoc test) three lists of differentially expressed transcripts were obtained: a list of 576 transcripts which differ deer in dry period and in peak lactation, a list of 437 transcripts which differ Holstein-Friesian cattle in dry period and in peak lactation and a list of 158 transcripts which differ Polish Red cattle in dry period and in peak lactation.
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Project description:we used proteomic technology to disclose the difference of antler regeneration between red deer and sika deer. Through functional analysis, we obtained differentially expressed proteins and the pathway involved in antler regeneration between two groups
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Project description:We investigated light dependent gene expression changes in the marine ochrophyte Nannochloropsis oceanica CCMP1779. These algae have several putative blue light photoreceptors but appear to lack red light photoreceptors. To study early light signaling in N. oceanica and avoid as much as possible secondary downstream events, we quantified gene expression changes in dark-adapted cells after a short blue or red light pulse. More genes were differentially expressed under blue than under red light. In addition, fold change in expression was smaller for the red light-treated samples. For example, the median fold change of induced genes was 3 for blue light and 2.5 for red light. Moreover, hierarchical cluster analysis showed that gene expression after red light treatment was more similar to the dark control than after blue light treatment.
2022-01-05 | GSE164714 | GEO
Project description:Anaplasma and Mycobacterium species are known to modify gene expression in ruminants. The objectives of this study were (a) to characterize global gene expression profiles in European red deer (Cervus elaphus) in response to Anaplasma ovis and A. ovis/Mycobacterium bovis/M. avium sub. paratuberculosis (MAP) infections, (b) to compare the expression of immune response genes between A. ovis- and A. ovis/M. bovis/MAP-infected deer, and (c) to characterize the differential expression of immune response genes identified in red deer in cattle infected with M. bovis and A. marginale. The results of this study showed that global gene differential expression in A. ovis- and A. ovis/M. bovis/MAP-infected deer results in the modification of common and pathogen-specific cellular biological processes. The differential expression of host immune response genes also showed pathogen-specific signatures and the effect of infection with multiple pathogens on red deer host immune response. These results suggested that intracellular bacteria from Anaplasma and Mycobacterium genera use similar mechanisms to infect and multiply within ruminant host cells while pathogen-specific mechanisms underline differences that could contribute to disease characterization and diagnosis in ruminants. A gene expression pre analysis was made in deers naturally infected with Anaplasma ovis and Mycobacterium complex using Affymetrix Bos taurus microarray to detect differentialy expressed genes. The immune response genes with variation in expression were analyzed by real time RT-PCR in the same samples and a bigger group of deers. A real time RT-PCR analysis was also made in Bos taurus naturally infected with Anaplasma marignale.
2010-12-31 | E-GEOD-21967 | biostudies-arrayexpress
Project description:UV-A mediated regulation of anthocyanin biosynthesis was investigated in swollen hypocotyls of the red turnip ‘Tsuda’. The shaded swollen hypocotyls which contained negligible anthocyanin were exposed to artificial light sources including low fluence UV-B, UV-A, blue, red, far-red, red plus UV-A, far-red plus UV-A, and blue plus red. Among these lights, only UV-A induced anthocyanin biosynthesis and co-irradiation of red or far-red with UV-A did not affect the extent of UV-A induced anthocyanin accumulation. The expression of phenylalanine ammonia lyase (PAL; EC 4.3.1.5), chalcone synthase (CHS; EC 2.3.1.74), flavanon 3-hydrocylase (F3H; EC 1.14.11.9), dihydroflavonol 4-reductase (DFR; EC 1.1.1.219) and anthocyanidin synthase (ANS; EC 1.14.11.-) genes were increased with time during a 24 hour exposure of UV-A. In contrast, irradiation of red, blue, UV-B, and a combination of blue with red failed to induce CHS expression. Microarray analysis showed that only a few genes, including chalcone synthase and flavanon 3-hydroxylase were induced significantly by UV-A, while a separate set of many genes was induced by low fluence UV-B. The UV-A specific induction of anthocyanin biosynthesis and the unique gene expression profile upon UV-A irradiation as compared with blue and UV-B demonstrated that the observed induction of anthocyanin biosynthesis in red turnips was mediated by a distinct UV-A specific photoreceptor, but not by phytochromes, UV-A/blue photoreceptors, or UV-B photoreceptors. Keywords: light response
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Project description:Sun-loving plants have the ability to detect and avoid shading through sensing of both blue and red light wavelengths. Higher plant cryptochromes (CRYs) control how plants modulate growth in response to changes in blue light. For growth under a canopy, where blue light is diminished, CRY1 and CRY2 perceive this change and respond by directly contacting two bHLH transcription factors, PIF4 and PIF5. These factors are also known to be controlled by phytochromes, the red/far-red photoreceptors; however, transcriptome analyses indicate that the gene regulatory programs induced by the different light wavelengths are distinct. Our results indicate that CRYs signal by modulating PIF activity genome-wide, and that these factors integrate binding of different plant photoreceptors to facilitate growth changes under different light conditions.
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