IlHylFasc1
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB41918 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Hylaea fasciaria (barred red) genome assembly, ilHylFasc1, alternate haplotype
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Project description:The phytochromes (PHYs) are a family of photoreceptors which absorb light of red and far-red wavelengths to modulate developmental responses in photosynthetic organisms. We developed knockout mutants of PHYB and PHYC in wheat and performed replicated RNA-seq studies to analyze and compare the regulons of each phytochrome under long day photoperiods. Illumina Truseq v2 RNA-seq libraries were constructed from four biological replicates of phyBnull mutants and their wild-type sister lines and of phyCnull mutants and their wild-type sister lines. Subsequently, the entire experiment was replicated. Reads were mapped to the draft assembly (v2.2) of the wheat genome provided by the International Wheat Genome Sequencing Consortium (IWGSC) and transcribed regions were identifed by mapping a non-redundant set of transcripts to this genomic assembly. Sequencing reads mapping uniquely within these identified transcribed regions were used to determine relative expression profiles. Loci which were differentially expressed in both experimental replicates were designated high-confidence PHYB-regulated and PHYC-regulated genes, respectively. A GTF file is provided detailing the location of the 150,754 loci within the IWGSC pseduomolecules and contig scaffold followed by the longest transcribed sequence mapping to this region. Most, but not all, transcribed sequences are annotated through Ensembl.
2016-06-29 | E-GEOD-79049 | biostudies-arrayexpress
Project description:We report the comparative investigation of genome-wide chromatin state maps, transcription factor (TF) occupancy, and gene expression profiles from developing red cell precursors at two developmental stages. Contrasting the similarities and differences between fetal and adult erythropoiesis provides important insights into the erythroid gene expression programs and gene regulatory networks. Specifically, comparative analyses of human erythropoiesis identify developmental stage-specific enhancers as primary determinants of stage-specific gene expression programs. We find that master regulators, such as GATA1 and TAL1, cooperatively act within active enhancers but have little predictive value for stage-specific enhancer activity. Instead, a set of stage-specific co-regulators collaborates with master regulators and contributes to differential gene expression. We further identify and validate IRF2, IRF6, and MYB as effectors of adult-stage expression program. Thus, the combinatorial assembly of master regulators and transcriptional co-regulators at developmental stage-specific enhancers controls gene expression programs and temporal regulation of transcriptional networks in a mammalian genome. Examination of various histone modifications and transcription factor occupancy by ChIP-seq in fetal and adult proerythroblasts.
2012-10-05 | E-GEOD-36985 | biostudies-arrayexpress