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EcAntMedi1

ABSTRACT: Antedon mediterranea, genomic and transcriptomic data

PROVIDER: PRJEB82495 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	ERR14042439_1.fastq.gz	Fastqsanger.gz
	ERR14042439_2.fastq.gz	Fastqsanger.gz
	ERR14042893_1.fastq.gz	Fastqsanger.gz
	ERR14042893_2.fastq.gz	Fastqsanger.gz
	ERR14042894.fastq.gz	Fastqsanger.gz

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Transcriptome analysis reveals strain-specific and conserved stemness genes in Schmidtea mediterranea

Project description:The transcriptome of the planarian Schmidtea mediterranea is not well characterized. We have used RNA-Seq to characterize the transcriptome in both sexual and asexual strains of S. mediterranea from both untreated and irradiated animals. Moreover, we have performed RNA-Seq on RNA purified from FACS sorted neoblasts and differentiated cells. Together these studies expand our understanding of the planarian transcriptome and have identified strain-specific, neoblast-specific, and conserved transcripts. RNA-Seq was performed on RNA isolated from untreated and irradiated S. mediterranea animals from both the sexual and asexual strains, on FACS purified X1 neoblasts, X2 neoblasts, and Xins differentiated cells. One of the raw data files for GSM847465 is missing. The fasta file is provided at http://genome.vcell.uchc.edu/GenomeData02/Graveley_Lab_Public_Data/Planarian/S.mediterranea_SexNIRmRNA3.fa.gz

2012-04-24 | E-GEOD-34326 | biostudies-arrayexpress

Set1 and MLL1/2 target distinct sets of functionally different genomic loci in vivo: An in depth ChIP-seq analysis of H3K4me3 targets in vivo and upon Set1 and mll1 knockdown

Project description:Histone H3 lysine 4 trimethylation (H3K4me3) is known to correlate with both active and poised genomic loci, yet many questions remain regarding its functional roles in vivo. We identify functional genomic targets of two H3K4 methyltransferases, Set1 and MLL1/2, in both the stem cells (X1) and differentiated tissue (Xins) of the planarian flatworm Schmidtea mediterranea. We show that, despite their common substrate, these enzymes target distinct genomic loci in vivo, which are distinguishable by the footprint each enzyme leaves on the chromatin template, i.e., the breadth of the H3K4me3 peak. Whereas Set1 targets are broadly associated with the maintenance of the stem cell population, MLL1/2 targets are specifically enriched for genes involved in ciliogenesis. These data not only confirm that chromatin regulation is fundamental to planarian stem cell function, but also provide evidence for post-embryonic functional specificity of H3K4me3 methyltransferases in vivo. To test this, we looked at the H3K4me3 chromatin profile in WW, X1 and Xins cell types upon knockdown of set1, mll1/2, as well as WT. Examine differential binding of H3K4me3 in different experimental conditions. The experiment performed yielded a total of 58 samples.

2015-12-17 | E-GEOD-74153 | biostudies-arrayexpress

H3K36me3 is significantly more enriched at Set1-affected loci than at MLL1/2-affected loci in planarian stem cells

Project description:Histone H3 lysine 4 trimethylation (H3K4me3) is known to correlate with both active and poised genomic loci, yet many questions remain regarding its functional roles in vivo. We identify functional genomic targets of two H3K4 methyltransferases, Set1 and MLL1/2, in both the stem cells (X1) and differentiated tissue (Xins) of the planarian flatworm Schmidtea mediterranea. We show that, despite their common substrate, these enzymes target distinct genomic loci in vivo, which are distinguishable by the footprint each enzyme leaves on the chromatin template, i.e., the breadth of the H3K4me3 peak. Whereas Set1 targets are broadly associated with the maintenance of the stem cell population, MLL1/2 targets are specifically enriched for genes involved in ciliogenesis. These data not only confirm that chromatin regulation is fundamental to planarian stem cell function, but also provide evidence for post-embryonic functional specificity of H3K4me3 methyltransferases in vivo. To test this, we looked at the H3K4me3 chromatin profile in WW, X1 and Xins cell types upon knockdown of set1, mll1/2, as well as WT. Examine binding of H3K36me3 in WT in Planarian. The experiment performed yielded a total of 2 samples. These samples validate the main ChIP samples.

2015-12-17 | E-GEOD-74419 | biostudies-arrayexpress

Genome-wide analysis of planarian piRNAs

Project description:Sample dataset for the described bioinformatic pipeline (piRNAnalyzer) comprising epidermal piRNA libraries of Schmidtea mediterranea

2023-08-02 | GSE192524 | GEO

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