Filters
Technology
Platform
SRP155332
Glycine max
9 Downloadable Samples
Illumina HiSeq 2000
Description
Transcriptome analysis of cold-treated leaves (unifoliates) of soybean seedlings were performed. RNAseq analysis was performed using two lanes on a Illumina HiSeq2000 and sequenced on a 100bp, paired-end run. Overall design: Two-weeks old soybean (c.v. 'Williams 82') seedlings were cold-treated (4 °C) starting at 4 h after the lights turned on (Zeitgeber Time, ZT4 h, 18 hours light/6 hours dark) and maintaining 4 °C continuously with the light cycle till harvest time (0, 1, and 24 hours). All treatment samples were performed in triplicate (with n=6 plants per replication).
Publication Title
The Ethylene Signaling Pathway Negatively Impacts CBF/DREB-Regulated Cold Response in Soybean (<i>Glycine max</i>).
Sample Metadata Fields
Specimen part, Subject
View Samples- Danio rerio
- 15 Downloadable Samples
Affymetrix Zebrafish Genome Array (zebrafish)
Description
The possible benefits of selenium (Se) supplementation are currently under investigation for prevention of certain cancers and treatment of neurological disorders. Little is known concerning the response of the brain to increased dietary Se under conditions of Se sufficiency, despite the majority of Se supplementation trials occurring in healthy subjects considered Se sufficient. We evaluated the transcriptional response of the zebrafish (Danio rerio) brain to supplementation with nutritionally relevant levels of dietary Se (sodium selenite) during conditions of assumed Se sufficiency.
Publication Title
Sex-specific transcriptional responses of the zebrafish (Danio rerio) brain selenoproteome to acute sodium selenite supplementation.
Sample Metadata Fields
Sex, Age, Specimen part, Treatment
View Samples- Danio rerio
- 16 Downloadable Samples
- Affymetrix Zebrafish Genome Array (zebrafish)
Description
Domesticated animal populations often show profound reductions in predator avoidance and fear-related behavior compared to wild populations. These reductions are remarkably consistent and have been observed in a diverse array of taxa including fish, birds, and mammals. Experiments conducted in common environments indicate that these behavioral differences have a genetic basis. In this study, we quantified differences in fear-related behavior between wild and domesticated zebrafish strains and used microarray analysis to identify genes that may be associated with this variation.
Publication Title
Brain transcriptome variation among behaviorally distinct strains of zebrafish (Danio rerio).
Sample Metadata Fields
Sex, Specimen part
View Samples- Danio rerio
- 18 Downloadable Samples
- Affymetrix Zebrafish Genome Array (zebrafish)
Description
We used microarray analyses in adult female zebrafish (Danio rerio) to identify metabolic pathways regulated by starvation in two key organs that 1) serve biosynthetic and energy mobilizing functions (liver) and 2) consume energy and direct behavioral responses (brain). Starvation affected the expression of 574 transcripts in the liver, indicating an overall decrease in metabolic activity, reduced lipid metabolism, protein biosynthesis and proteolysis, and cellular respiration, and increased gluconeogenesis. Starvation also regulated expression of many components of the Unfolded Protein Response, the first such report in a species other than yeast (Saccharomyces cerevisiae) and mice (Mus musculus). The response of the zebrafish hepatic transcriptome to starvation was strikingly similar to that of rainbow trout (Oncorhynchus mykiss), but very different from common carp (Cyprinus carpio) and mouse. The transcriptome of zebrafish whole brain was much less affected than the liver, with only two differentially expressed genes, both down-regulated. Down-regulation of one of these genes, matrix metalloproteinase 9 (mmp9), suggests increased inhibition of apoptosis (neuroprotection) and decreased restructuring of the extracellular matrix in the brain of starved zebrafish. The low level of response in the transcriptome of whole zebrafish brain agrees with observations that the brain is metabolically protected compared to the rest of the body.
Publication Title
Effect of starvation on transcriptomes of brain and liver in adult female zebrafish (Danio rerio).
Sample Metadata Fields
No sample metadata fields
View Samples- Populus tremula x populus alba
- 11 Downloadable Samples
- Affymetrix Poplar Genome Array (poplar)
Description
Comparison of wild type Populus to transgenics expressing either a miRNA-resistant Populus ortholog of ATHB15/CORONA or miRNA-resistant Populus ortholog of REVOLUTA
Publication Title
The Populus class III HD ZIP, popREVOLUTA, influences cambium initiation and patterning of woody stems.
Sample Metadata Fields
Specimen part
View Samples- Danio rerio
- 17 Downloadable Samples
- Affymetrix Zebrafish Genome Array (zebrafish)
Description
The liver plays a central role in vertebrate glucose homeostasis, and is also one of the most sexually dimorphic organs in terms of gene expression. While the extent of hepatic sexual dimorphism has been well described in mammals, little is known regarding this phenomenon in non-mammalian species, particularly fish. In this study, we examined hepatic gene expression and physiological phenotypes (growth, proximate body composition, retention efficiencies) to determine whether male and female zebrafish respond differently to diets comprised of 0, 15, 25, or 35 % carbohydrate. Using both Affymetrix microarrays and qRTPCR, we observed substantial sexual dimorphism in the hepatic transcriptome, and the response of some genes to dietary carbohydrate manipulation also varied by sex. Males upregulated genes associated with oxidative metabolism, carbohydrate metabolism, energy production, and amelioration of oxidative stress, while females had higher expression levels of genes associated with translation. Males also expressed elevated levels of hnf4a, a gene thought to be involved in regulating hepatic sexual dimorphism in the rodent. Dietary carbohydrate affected hepatic gene expression, growth performance, retention efficiencies of protein and energy, and percentage of moisture, lipid, and ash. Significant diet effects reflected differences between the 0% carbohydrate diet and the other diets, consistent with previous work on other cyprinids showing a high tolerance for dietary carbohydrate. Our data support the use of the zebrafish as a model for the study of both normal and disease states associated with carbohydrate metabolism, and highlight the importance of accounting for both sex and diet
Publication Title
Sexual dimorphism in hepatic gene expression and the response to dietary carbohydrate manipulation in the zebrafish (Danio rerio).
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 12 Downloadable Samples
- Illumina HiSeq 2500
Description
RNA was isolated from FFPE samples of IDH1 mutant, WT tumors and normal brains Overall design: Determination of the glioma subtype in IDH1 mutant and WT tumors
Publication Title
Mutant IDH1 Promotes Glioma Formation In Vivo.
Sample Metadata Fields
Specimen part, Subject
View Samples- Saccharomyces cerevisiae
- 47 Downloadable Samples
- Illumina HiSeq 2000
Description
Epigenetic mechanisms including histone post-translational modifications control longevity in diverse organisms. Relatedly, loss of proper transcriptional regulation on a global scale is an emerging aspect of shortened lifespan, but the specific mechanisms linking these observations remain to be uncovered. Here, we describe a lifespan screen in S. cerevisiae, designed to identify altered amino acid residues of histones that alter yeast replicative aging. Our results reveal that lack of sustained H3K36 methylation is commensurate with increased cryptic transcription in a set of genes in old cells and shorter lifespan. Deletion of the K36me2/3 demethylase Rph1 increases H3K36me3 within these genes and suppresses cryptic transcript initiation to extend lifespan. We show that this aging phenomenon is conserved, as cryptic transcription also increases in old worms. We propose that epigenetic misregulation in aging cells leads to an increase in transcriptional noise that is detrimental to lifespan, and, importantly, this acceleration in aging can be reversed by restoring transcriptional fidelity. Overall design: This study examines transcription in yeast aging using a WT or Rph1 mutant background over a sequence of time-dependent FACS sorts of old cells. Cryptic transcripts are detected using a small fragment sequencing approach. The youngest WT yeast (designated S1Y, S2Y) are represented in seven biological replicates and one technical replicate, five small fragment and three others; the oldest WT yeast (designated S4O) are also represented in seven biological replicates and one technical replicate, again composed of five small fragment samples and three others. Intermediate WT yeast aging sorts (S2O and S3O) are each represented by five biological replicates and one technical replicate, three small fragment and three others. For mutant yeast, each stage in the time series is represented by five biological replicates and one technical replicate, three small fragment and three others. Experiment 4 is a technical replicate of experiment 3.
Publication Title
H3K36 methylation promotes longevity by enhancing transcriptional fidelity.
Sample Metadata Fields
Subject
View Samples- Caenorhabditis elegans
- 4 Downloadable Samples
- NextSeq 500
Description
Epigenetic mechanisms including histone post-translational modifications control longevity in diverse organisms. Relatedly, loss of proper transcriptional regulation on a global scale is an emerging aspect of shortened lifespan, but the specific mechanisms linking these observations remain to be uncovered. Here, we describe a lifespan screen in S. cerevisiae, designed to identify altered amino acid residues of histones that alter yeast replicative aging. Our results reveal that lack of sustained H3K36 methylation is commensurate with increased cryptic transcription in a set of genes in old cells and shorter lifespan. Deletion of the K36me2/3 demethylase Rph1 increases H3K36me3 within these genes and suppresses cryptic transcript initiation to extend lifespan. We show that this aging phenomenon is conserved, as cryptic transcription also increases in old worms. We propose that epigenetic misregulation in aging cells leads to an increase in transcriptional noise that is detrimental to lifespan, and, importantly, this acceleration in aging can be reversed by restoring transcriptional fidelity. Overall design: This study examines transcription in worm aging using FUDR treatment. The samples represent a time-series, with one control group without FUDR, and then three treated with FUDR at days 1, 8, and 12. Days 8 and 12 represent old worms. There are no replicates.
Publication Title
H3K36 methylation promotes longevity by enhancing transcriptional fidelity.
Sample Metadata Fields
Cell line, Treatment, Subject
View Samples- Homo sapiens
- 75 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Despite significant improvements in life expectancy of kidney transplant patients due to advances in surgery and immunosuppression, Chronic Allograft Nephropathy (CAN) remains a daunting problem. A complex network of cellular mechanisms in both graft and peripheral immune compartments complicates the non-invasive diagnosis of CAN, which still requires biopsy histology. This is compounded by non-immunological factors contributing to graft injury. There is a pressing need to identify and validate minimally invasive biomarkers for CAN to serve as early predictors of graft loss and as metrics for managing long-term immunosuppression.
Publication Title
Biomarkers for early and late stage chronic allograft nephropathy by proteogenomic profiling of peripheral blood.
Sample Metadata Fields
No sample metadata fields
View Samples