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Arabidopsis thaliana

ABSTRACT: Natural variation of H3K27me3 modification between two Arabidopsis accessions and its inheritance in hybrid

PROVIDER: PRJNA264544 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1618890_1.fastq.gz	Fastqsanger.gz
	SRR1618890_2.fastq.gz	Fastqsanger.gz
	SRR1618900_1.fastq.gz	Fastqsanger.gz
	SRR1618900_2.fastq.gz	Fastqsanger.gz
	SRR1618891_1.fastq.gz	Fastqsanger.gz

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Natural variation of H3K27me3 modification between two Arabidopsis accessions and its inheritance in hybrid

Project description:Mechanism, inheritance patterns and biological significance remain unclear. Here, we generated genome-wide integrated maps of H3K27me3 modification and transcriptome for Col, C24 and their F1 hybrid, and their clf mutants. We found that H3K27me3 modification profiles were divergent between Col and C24, and were inherited mainly additively in hybrid. By comparing H3K27me3 modification ratio between parents to allelic H3K27me3 modification ratio in hybrid, we identified cis- and trans-regulatory divergence for H3K27me3 modification variation between Col and C24, and found that cis-regulatory divergence was the predominant contributor to H3K27me3 variation. The majority of genes with both cis- and trans-regulatory divergence displayed "cis-trans" interaction, whereas "cis+trans" interaction resulted in higher magnitude of H3K27me3 variation. H3K27me3 modification variation was negatively correlated with gene expression variation between Col and C24, both of which might rise from the same cis-regulatory divergence. Moreover, cis-regulatory divergence could lead to the concurrent allelic H3K27me3 modification bias and allelic gene expression bias for auxin metabolic genes and stimulus responsive genes in Col×C24 hybrid. Natural variation of H3K27me3 modification and gene expression were changed upon CLF mutation, and heterosis, especially best-parent hetereosis, was largely compromised in clf hybrid. Together, our study provided a comprehensive analysis of regulatory divergence for natural variation of histone modification and its association with differential gene expression between Arabidopsis accessions and growth vigor in hybrid.

2016-11-01 | GSE62615 | GEO

h3k27me3_c24-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k27me3_c24 - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in C24

2011-05-17 | GSE25058 | GEO

h3k27me3_col(cvi)-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k27me3_col(cvi) - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in Col

2011-05-17 | GSE25052 | GEO

h3k27me3_cvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k27me3_cvi - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in Cvi seedlings

2011-05-17 | GSE25051 | GEO

h3k27me3_colxcvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k27me3_colxcvi - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in ColxCvi hybrids

2011-05-17 | GSE25050 | GEO

h3k27me3_col(c24)-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k27me3_col(c24) - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in Col

2011-05-17 | GSE25059 | GEO

h3k27me3_colxc24-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k27me3_colxc24 - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in ColxC24 hybrids

2011-05-17 | GSE25057 | GEO

Arabidopsis thaliana

Project description:RNA-seq analysis of alternative splicing between two Arabidopsis accessions and its inheritance in hybrid

| PRJNA264397 | ENA

h3k27me3_c24-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

2011-05-17 | E-GEOD-25058 | biostudies-arrayexpress

Natural variation in RPS2-mediated resistance: correlating gene-expression profiles to phenotypic responses.

Project description:Natural variation within plant species is an important resource for discovery of genes controlling biological traits. Gene-expression profiling of natural variation is increasingly used to identify genes affecting a trait. Here, we explored variation among Arabidopsis thaliana accessions with respect to defense against Pseudomonas syringae pv. tomato DC3000 (Pst), with a focus on R-gene mediated resistance triggered by the Pst type III effector protein AvrRpt2. We explored variation at two phenotypic levels: growth of the bacteria and hypersensitive response (HR) measured by electrolyte leakage. Considerable variation among accessions was found at both phenotypic levels. The genetic variation among accessions affected both growth of Pst with (Pst avrRpt2) and without (Pst) the AvrRpt2 effector, with some variation being specific for the bacterial strains, and other variation affecting both strains in a similar manner. Variation in HR was not correlated with variation in bacterial growth. Additionally we examine variation in gene-expression profiles after mock- and Pst avrRpt2-inoculated plants, obtained using a dedicated microarray Gene-expression profiling at 6 h post inoculation identified clusters of genes from which expression levels are correlated with bacterial growth and electrolyte leakage. The expression levels of some of these clusters correlate with more than one phenotypic characteristic, such as growth of both Pst and Pst avrRpt2, whereas other clusters were correlated with just one biological parameter. Thus we demonstrate that variation in gene-expression profiles among Arabidopsis accessions is correlated with variation in phenotypic responses. Keywords: Comparisons of Arabidopsis thaliana accessions with respect to inoculation with Pseudomonas syringae pv tomato avrRpt2.

2007-08-09 | GSE8298 | GEO

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