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Mus musculus

ABSTRACT: Quantitative analysis of WT, Dnmt3a-/-, Dnmt3b-/- and Tet1-/- J1 ES cell transcriptomes

PROVIDER: PRJNA393526 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5812870_1.fastq.gz	Fastqsanger.gz
	SRR5812870_2.fastq.gz	Fastqsanger.gz
	SRR5812871_1.fastq.gz	Fastqsanger.gz
	SRR5812871_2.fastq.gz	Fastqsanger.gz
	SRR5812864_1.fastq.gz	Fastqsanger.gz

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Mus musculus

Project description:Genome-wide maps of Tet1 binding in [WT, Tet1-Flag] and [Dnmt3a-/-, Tet1-Flag] J1 ES cells

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Mus musculus

Project description:Genome-wide maps of histone modifications in WT, Dnmt3a-/- and Tet1-/- J1 ES cells.

| PRJNA393521 | ENA

Mus musculus

Project description:Genome-wide maps of Dnmt3a1 binding in WT and Tet1-/- J1 ES cells

| PRJNA393523 | ENA

Genome-wide maps of Tet1 binding in [WT, Tet1-Flag] and [Dnmt3a-/-, Tet1-Flag] J1 ES cells

Project description:In order to assess Tet1 binding, we first generated a Flag tagged Tet1 ES cells and then knocked out Dnmt3a in the [WT, Tet1-Flag] cells. By Tet1 ChIP and Flag ChIP, we showed that Tet1 binding was complementary to Dnmt3a. And Tet1 binding was not affected or slightly increased at majority of its targets.

2018-05-16 | GSE100955 | GEO

Genome-wide maps of histone modifications (SpikeIn) and Suz12 in WT, Dnmt3a-/-, Tet1-/- J1 and DKO ES cells.

Project description:Genome-wide maps of histone modifications (SpikeIn) and Suz12 in WT, Dnmt3a-/-, Tet1-/- J1 and DKO ES cells.

| PRJNA445609 | ENA

Genome-wide identification of distinct target loci for de novo DNA methylation by DNMT3A and DNMT3B during mammalian development

Project description:DNA methylation plays essential roles in mammalian development. During post-implantation development, de novo establishment of DNA methylation is accomplished by DNA methyltransferases, in particular DNMT3A and DNMT3B. At present, the distinct functions of these two enzymes remain largely elusive. To comprehensively identify the target sites for de novo DNA methylation by the DNMT3 enzymes, we took advantage of female mouse ES cells established in the presence of MEK and Gsk3 inhibitors, which lack most DNA methylation (2i/L ES cells), in combination with genetic ablation of Dnmt3a or Dnmt3b. We analyzed de novo DNA methylation in mouse embryonic fibroblasts (2i-MEFs) derived from Dnmt3 knockout (KO) 2i/L ES cells. Both Dnmt3a and Dnmt3b KO 2i-MEFs exhibited a modest but global reduction in CpG methylation, which was particularly notable on the X chromosome in Dnmt3b KO cells. Although most genes were methylated similarly in both knockouts, we identified 355 and 333 uniquely unmethylated genes in Dnmt3a and Dnmt3b KO 2i-MEFs, respectively. Notably, Dnmt3a was exclusively required for de novo methylation at both TSS regions and gene bodies of Polycomb group (PcG) target developmental genes. Consistent with this, tissue-specific DNA methylation at PcG target developmental genes was substantially reduced in Dnmt3a KO embryos. Finally, we found that human patients with DNMT3A mutant acute myeloid leukemia (AML) or harboring DNMT3B mutation associated with immunodeficiency, centromere, and facial anomalies (ICF) syndrome exhibited reduced CpG methylation at regions that were hypomethylated in Dnmt3a or Dnmt3b KO 2i-MEFs, respectively. Collectively, our findings in DNA-hypomethylated 2i/L ES cells revealed a set of unique de novo DNA methylation target sites for both DNMT3 enzymes during mammalian development that overlap with hypomethylated sites in human patients.

2020-05-13 | GSE111172 | GEO

Mus musculus

Project description:Comparison of Gene Expression Profiles of J1 ES and J1 EB Cells.

| PRJNA92745 | ENA

The binding sites of SMAD2/3, Dnmt3a and Dnmt3b in pluripotent mESC, EBs and ME when Smad4 is lost with or without Dnmt3b knockdown

Project description:To understand the genome wide binding profile of SMAD2/3 when SMAD4 is lost, Smad2/3 ChIPseq was performed in SMAD4 knockout (S4KO) mouse embryonic stem cells (mESC) or in S4KO embryonic bodies (EBs). To figure out the effect of Dnmt3b on SMAD2/3 binding ability in the absence of SMAD4, we further performed SMAD2/3 CUT&Tag in EBs of S4KO and S4KO with Dnmt3b konckdown, as well as in mesendoderm (ME) stage of WT and S4KO. The binding sites of Dnmt3a and Dnmt3b were explored by Dnmt3a or Dnmt3b ChIP-seq and Dnmt3b CUT&Tag in WT EBs and S4KO EBs. WT with Dnmt3b knockdown and S4KO with Dnmt3b knockdown were used to as a control for the Dnmt3b CUT&Tag. Besides, we inserted a 3xFlag-tag at the C-terminus of Dnmt3a or Dnmt3b and then carried out Flag CUT&Tag in EBs.

2024-10-21 | GSE240786 | GEO

Mus musculus

Project description:DR4 Control for J1, R1 and V6.5 ES

| PRJNA92763 | ENA

Bidirectional Introgression between Mus musculus domesticus and Mus spretus.

Project description:Introgressed variants from other species can be an important source of genetic variation because they may arise rapidly, can include multiple mutations on a single haplotype, and have often been pretested by selection in the species of origin. Although introgressed alleles are generally deleterious, several studies have reported introgression as the source of adaptive alleles-including the rodenticide-resistant variant of Vkorc1 that introgressed from Mus spretus into European populations of Mus musculus domesticus. Here, we conducted bidirectional genome scans to characterize introgressed regions into one wild population of M. spretus from Spain and three wild populations of M. m. domesticus from France, Germany, and Iran. Despite the fact that these species show considerable intrinsic postzygotic reproductive isolation, introgression was observed in all individuals, including in the M. musculus reference genome (GRCm38). Mus spretus individuals had a greater proportion of introgression compared with M. m. domesticus, and within M. m. domesticus, the proportion of introgression decreased with geographic distance from the area of sympatry. Introgression was observed on all autosomes for both species, but not on the X-chromosome in M. m. domesticus, consistent with known X-linked hybrid sterility and inviability genes that have been mapped to the M. spretus X-chromosome. Tract lengths were generally short with a few outliers of up to 2.7 Mb. Interestingly, the longest introgressed tracts were in olfactory receptor regions, and introgressed tracts were significantly enriched for olfactory receptor genes in both species, suggesting that introgression may be a source of functional novelty even between species with high barriers to gene flow.

| S-EPMC8784167 | biostudies-literature

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