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MiRNome dynamics during flower development in Arabidopsis

ABSTRACT: miRNome dynamics during flower development in Arabidopsis

PROVIDER: PRJNA433886 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6713470.fastq.gz	Fastqsanger.gz
	SRR6713471.fastq.gz	Fastqsanger.gz
	SRR6713472.fastq.gz	Fastqsanger.gz
	SRR6713473.fastq.gz	Fastqsanger.gz
	SRR6713464.fastq.gz	Fastqsanger.gz

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miRNome dynamics during flower development in Arabidopsis

Project description:Flower development is a dynamics process in which floral organs are produced from pools of stem cells residing in meristems (Smyth et al., 1990). In order to obtain a high resolution map of the changes of miRNA gene expression during this process thus to provide insights into specific expression patterns and their underlying gene regulatory networks, an inducible system which allows us to obtain synchronized flowers (Wellmer et al., 2006) was used to collect seedlings as well as stage-specific floral tissues at four stages (stages 0, 2, 4 and 8) for transcriptome profiling by miRNA-seq .

2018-11-06 | GSE110510 | GEO

Transcriptome dynamics of protein-coding genes during flower development in Arabidopsis

Project description:Flower development is a dynamics process in which floral organs are produced from pools of stem cells residing in meristems (Smyth et al., 1990). In order to obtain a high resolution map of the changes of gene expression during this process thus to provide insights into specific expression patterns and their underlying gene regulatory networks, an inducible system which allows us to obtain synchronized flowers (Wellmer et al., 2006) was used to collect stage-specific floral tissues at four stages (stages 0, 2, 4 and 8) for transcriptome profiling by RNA-seq . These stages represent the status of inflorescence meristem, floral meristem specification, floral organ specification and floral organ differentiation, respectively during Arabidopsis flower development.

2018-11-06 | GSE110500 | GEO

Transcriptome dynamics of protein-coding genes during flower development in Arabidopsis

Project description:Transcriptome dynamics of protein-coding genes during flower development in Arabidopsis

| PRJNA433874 | ENA

Developmental dynamics of DNA accessibility during flower development [DNaseI-Seq]

Project description:Development of eukaryotic organisms is controlled by transcription factors that trigger specific and global changes in gene expression programmes. In plants, MADS-domain transcription factors act as master regulators of developmental switches and organ specification. However, the mechanisms by which these factors dynamically regulate the expression of their target genes at different developmental stages are still poorly understood. Here, we characterize the dynamic relationship of chromatin accessibility, gene expression and DNA-binding of two MADS-domain proteins during Arabidopsis flower development. The developmental dynamics of DNA-binding of APETALA1 and SEPALLATA3 is largely independent of chromatin accessibility, and our findings suggest that AP1 acts as M-bM-^@M-^Xpioneer factorM-bM-^@M-^Y that modulates chromatin accessibility, thereby facilitating access of other transcriptional regulators to their target genes. Our data provide a primer to the idea that cellular differentiation in plants can be associated to dynamic changes in chromatin accessibility, as consequence of the action of master transcription factors. We used the AP1-GR system to conduct DNaseI hypersensitivity experiments at different stages of flower development. Samples were generated from tissue in which the AP1-GR protein was induced using a treatment of 1 uM DEX to the shoot apex. The material was collect before treatment and 2, 4 and 8 days after treatment. As control, naked DNA from wild-type inflorescences was used. Experiments were done in two biological replicates. The GSE47981 includes expression data that are complementary to the data in the GSE46986 and GSE46894.

2014-02-03 | E-GEOD-46894 | biostudies-arrayexpress

Expression profiling during early flower development [RNA-seq]

Project description:We studied early events of flower formation with a temporal resolution by employing a floral induction system to drive synchronised flower development from inflorescence meristem-like tissue (Wellmer et al. (2006)). We generated a developmental time series including vegetative leaf tissue, young developing flowers at zero (t0) and two days after induction of flower development (t2), and fully expanded inflorescences. We analysed histone mark dynamics at those time points and the transcriptomics data presented here served to compare histone mark dynamics to transcriptome dynamics.

2017-07-18 | GSE71581 | GEO

Developmental dynamics of DNA accessibility during flower development [DNaseI-Seq]

2014-02-03 | GSE46894 | GEO

Transcriptome dynamics of protein-coding genes and microRNAs during flower development in Arabidopsis

Project description:Transcriptome dynamics of protein-coding genes and microRNAs during flower development in Arabidopsis

| PRJNA433948 | ENA

Gene expression during early Arabidopsis flower development

Project description:This experiment describes gene expression during early Arabidopsis flower development. We used a 35S:AP1-GR ap1 cal line to induce synchronized flower development by specifically activating the AP1-GR fusion protein in ap1 cal inflorescence-like meristems through dexamethasone treatment. Tissue samples were collected immediately after the treatment, as well as at one-day intervals for the following five days. The expression profiles of the individual samples were then analyzed by gene expression profiling using whole-genome microarrays (Operon). Keywords: time course

2006-04-10 | GSE4594 | GEO

Early flower development

Project description:Early flower development

| PRJNA291564 | ENA

Genome-wide dynamics of H3K27me3 and H3K4me3 during early flower development [ChIP-seq]

Project description:We studied early events of flower formation with a temporal resolution by employing a floral induction system to drive synchronized flower development from inflorescence meristem-like tissue (Wellmer et al. (2006)). We generated a developmental time series including vegetative leaf tissue, young developing flowers at zero (t0) and two days after induction of flower development (t2), and fully expanded inflorescences. Although we found very similar numbers of H3K27me3 and H3K4me3 target genes, many genes display quantitative changes in those marks, especially between different tissue types (e.g. >60% of target genes change quantitatively from leaf to t0).

2017-07-18 | GSE71564 | GEO

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