Plants have developed complex mechanisms to respond and adapt to abiotic stresses, coupling elaborate modulation of gene expression together with the preservation of genome stability. Epigenetic mechanisms - DNA methylation, chromatin modifications and non coding RNAs - were shown to play a fundamental role in stress-induced gene regulation and may also result in genome destabilization, with the activation and/or the transcription of silenced transposons and retroelements, causing genome rearrangements and novel gene expression patterns. Maize leaf transcriptome was analyzed by total RNA-Seq in both B73 and rmr6 (PolIV mutant involved in siRNA biogenesis and in the RdDM pathway) after drought and salt stress application. Reference annotation based transcript assembly allowed the identification both of new expressed loci and splicing variants, improving the current maize transcriptome annotation. Many antisense transcripts matching on the opposite strand of annotated loci were also identified, while more than the 20% of transcripts represent non coding RNA belonging to four classes: siRNAs, shRNAs, lncRNAs and transposable elements (or their relics). Several lncRNAs are modulated by stress application while TE-related sequences are mainly expressed in rmr6 and up-regulated by the stress. Overall design: Total RNA-Seq analysis of maize leaves from wt and rmr6-1 mutant plants grown under 1) control conditions, 2) drought stress, 3) salt stress, 4) salt+drought stress. Each condition was investigated in triplicate after 10 days of treatment and after 7 days of recovery. Samples derived from replicates 2 and 3 were pooled and sequenced together
Maize RNA PolIV affects the expression of genes with nearby TE insertions and has a genome-wide repressive impact on transcription.
Treatment, Subject, Time
View SamplesLRF is reported as a transcription repressor, but its transcription target genes are not completely known
LRF maintains genome integrity by regulating the non-homologous end joining pathway of DNA repair.
Specimen part
View SamplesThe aim of the dataset was to study on genome-wide level the effect of Notch inhibition in gene expression on neural crest differentiation of human embryonic stem cells under chemically defined conditions.
Notch signaling regulates the differentiation of neural crest from human pluripotent stem cells.
Specimen part
View SamplesTo investigate the role of miR-29b on the changes in expression of genes involved in the synthesis and deposition of extracellular matrix in human trabecular meshwork cells (HTM).
Role of miR-29b on the regulation of the extracellular matrix in human trabecular meshwork cells under chronic oxidative stress.
Cell line
View SamplesThe objectives of this study were to understand the effect of phenolic compounds from fermented berry beverages on hyperglycemia and obesity in vivo using mice fed a high fat diet. Our hypothesis was that consumption of a fermented blueberry-blackberry beverage and its phenolic compounds would reduce the development of obesity and hyperglycemia in diet-induced obese mice. Body composition, histomorphological analysis of pancreatic islets and liver, and expression of genes involved in obesity and hyperglycemia were evaluated in order to explain the modulation of diet-induced obesity and hyperglycemia due to treatments.
Alcohol-free fermented blueberry-blackberry beverage phenolic extract attenuates diet-induced obesity and blood glucose in C57BL/6J mice.
Sex, Age, Specimen part
View SamplesThis SuperSeries is composed of the SubSeries listed below.
A genome-wide function of THSC/TREX-2 at active genes prevents transcription-replication collisions.
No sample metadata fields
View SamplesTranscription is a major obstacle for replication fork progression and a cause of genome instability. Such instability increases in mutants with a suboptimal assembly of the nascent messenger ribonucleo-protein particle (mRNP), as THO/TREX and the NPC-associated THSC/TREX-2 complex.
A genome-wide function of THSC/TREX-2 at active genes prevents transcription-replication collisions.
No sample metadata fields
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Excess of Yra1 RNA-Binding Factor Causes Transcription-Dependent Genome Instability, Replication Impairment and Telomere Shortening.
No sample metadata fields
View SamplesThe goal of this study was to contrast genome-wide gene expression profiles of cultured human trabecular meshwork (HTM) cells, to that of control and primary open angle glaucoma (POAG) HTM tissues.
Genome-wide expression profile of human trabecular meshwork cultured cells, nonglaucomatous and primary open angle glaucoma tissue.
No sample metadata fields
View SamplesOur study describes in detail the role of Bmp2 during cardiac valve developmnent and its implication in Notch pathway activation. Overall design: Hearts were isolated from WT and Bmp2GOF;Nkx2.5-Cre mouse embryos at stage E9.5 and their expression profile characterized by RNA-seq
Bmp2 and Notch cooperate to pattern the embryonic endocardium.
Specimen part, Subject
View Samples