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Genomic distribution of H3K9me2 in wild-type vs. arle-14 mutant C. elegans embryos

ABSTRACT: Genomic distribution of H3K9me2 in wild-type vs. arle-14 mutant C. elegans embryos

PROVIDER: PRJNA454222 | ENA |

REPOSITORIES: ENA

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Genomic distribution of H3K9me2 in wild-type vs. arle-14 mutant C. elegans embryos

Project description:We discovered arle-14/B0336.5 as a critical gene for H3K9 di-methylation. To test the hypothesis that ARLE-14 targets the H3K9 methyltransferase MET-2 to specific loci, we compared the distribution of H3K9me2 in wild-type and arle-14 mutants by ChIP-Seq. Our results reveal that H3K9me2 genomic distribution is similar in wild-type vs. mutants and ARLE-14 is not required for targeting MET-2.

2018-08-22 | GSE113841 | GEO

Enrichment of H3K9me2 on unsynapsed chromatin in C. elegans does not target de novo sites [ChIP-Seq]

Project description:Characterization of the H3K9me2 distribution in the C. elegans adult hermaphrodite genome using ChIP-Seq Examination of H3K9me2 in two different nematode strains: fer-1 control and fer-1;him-8 mutant, where the X chromosomes are unsynapsed. The fer-1 mutation prevents production of embryos.

2015-09-04 | E-GEOD-67028 | biostudies-arrayexpress

Enrichment of H3K9me2 on unsynapsed chromatin in C. elegans does not target de novo sites [ChIP-Seq]

Project description:Characterization of the H3K9me2 distribution in the C. elegans adult hermaphrodite genome using ChIP-Seq

2015-09-04 | GSE67028 | GEO

Distribution of histone modifications across the genome in C. elegans sperm vs. oocytes vs. early embryos

Project description:Distribution of histone modifications across the genome in C. elegans sperm vs. oocytes vs. early embryos

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Comparison of genome-wide distribution of histone modifications (H3K4me3, H3K9me2, H3K27me2, and H3K27me3) between wild-type and Kdm7a mutant embryos

Project description:Temporal and spatial colinear expression of Hox genes determines the specification of positional identities of the embryo. Post-translational modifications of histones contribute to transcriptional regulation, and are required for proper control of biological processes, including differentiation and development. Lysine demethylase 7A (Kdm7a) demethylates lysine 9 di-methylation of histone H3 (H3K9me2) and participates in transcriptional activation of developmental genes. However, the role of Kdm7a during mouse embryonic development remains to be elucidated. Here, we show that Kdm7a-/- mice exhibit anterior homeotic transformation of the axial skeleton (i.e. an increase in the number of presacral elements). Importantly, posterior Hox genes (caudally from Hox9) are specifically down-regulated in Kdm7a-/- embryos, which correlate with increased levels of H3K9me2. Taken together, these data suggest that Kdm7a is able to control transcription of posterior Hox genes, likely through its demethylating activity, and thereby regulating anterior-posterior development in mice.

2019-12-23 | GSE133188 | GEO

H3K9me2-Ab2 (new lot).14-16 hr OR embryo

Project description:modENCODE_submission_2661 This submission comes from a modENCODE project of Gary Karpen. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: We aim to determe the locations of 125 chromosomal proteins and histone modifications across the Drosophila melanogaster genome. The proteins and modifications under study are involved in basic chromosomal functions such as DNA replication, gene expression, gene silencing, and inheritance. We will perform Chromatin ImmunoPrecipitation (ChIP) using genomic tiling arrays. We will initially assay localizations using chromatin from three cell lines and two embryonic stages, and will then extend the analysis of a subset of proteins to four additional animal tissues/stages. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf Keywords: CHIP-chip EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: Oregon-R; Developmental Stage: Embryo 14-16hr OR; Genotype: wild type; NUMBER OF REPLICATES: 6; EXPERIMENTAL FACTORS: Strain Oregon-R; Antibody H3K9me2-Ab2 (new lot) (target is H3K9me2); Developmental Stage Embryo 14-16hr OR

2010-08-10 | E-GEOD-23476 | biostudies-arrayexpress

H3K9me2-Ab2 (new lot).14-16 hr OR embryo.Solexa

Project description:modENCODE_submission_4940 This submission comes from a modENCODE project of Gary Karpen. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: We aim to determine the locations of the major histone modifications across the Drosophila melanogaster genome. The modifications under study are involved in basic chromosomal functions such as DNA replication, gene expression, gene silencing, and inheritance. We will perform Chromatin ImmunoPrecipitation (ChIP) using the Illumina NGS sequencing platform. We will initially assay localizations using chromatin from three cell lines and two embryonic stages, and will then extend the analysis of a subset of proteins to four additional animal tissues/stages. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-seq. BIOLOGICAL SOURCE: Strain: Oregon-R(official name : Oregon-R-modENCODE genotype : wild type ); Developmental Stage: Embryo 14-16hr OR; Genotype: wild type; EXPERIMENTAL FACTORS: Strain Oregon-R(official name : Oregon-R-modENCODE genotype : wild type ); Antibody H3K9me2-Ab2 (new lot) (target is H3K9me2); Developmental Stage Embryo 14-16hr OR

2013-05-28 | E-GEOD-47247 | biostudies-arrayexpress

The genomic distribution of G9a, H3K9me2 and H3K27me3 in cardiac hypertrophy.

Project description:The role of the histone methyltrasferase G9a (also known as Ehmt2) in the normal heart has not been studied extensively. To identify which genes were direct targets of G9a in hypertrophic cardiomyocytes, we performed ChIP-seq for G9a and H3K9me2 – the main histone methylation catalysed by the HMT – on cardiomyocytes isolated from normal mice (sham) and mice subject to transverse aortic constriction (TAC) for 1 wk, a surgical procedure that causes cardiac hypertrophy following the induction of pressure overload. We considered the best G9a-bound genomic regions as those in which G9a and H3K9me2 peaks overlapped. Since G9a contributes to trimethylation of H3K27 at a set of developmental genes through its interaction with PRC2, we also evaluated whether G9a had an effect on the distribution of this histone mark in hypertrophic cardiomyocytes. To this end, we performed ChIP-seq for H3K27me3 in CMs isolated from sham and TAC mice.

2017-08-30 | GSE93752 | GEO

Comparison of genome-wide distribution of histone modifications (H3K4me3, H3K9me2, H3K27me2, and H3K27me3) between wild-type and Kdm7a mutant embryos

Project description:Comparison of genome-wide distribution of histone modifications (H3K4me3, H3K9me2, H3K27me2, and H3K27me3) between wild-type and Kdm7a mutant embryos

| PRJNA550268 | ENA

Chromatin immunoprecipitation of Arabidopsis to perform a chromosome-wide comparison of H3K9me2 distribution between nrpd1a-4_nrpd1b-11 and wild type plants

Project description:Chromatin immunoprecipitation and hybridization to a chromosome-wide DNA tiling array (ChIP-chip)was performed to compare the distribution pattern of H3K9me2 between nrpd1a-4_nrpd1b-11 and wild type. Experiments were done using two independent biological replicates.<br>

2009-07-24 | E-MEXP-1727 | biostudies-arrayexpress

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