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Dynamic DNA methylation reconfiguration during seed development and germination

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE94712 | GEO | 2017/08/31

SECONDARY ACCESSION(S): PRJNA373832

REPOSITORIES: GEO

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Dynamic DNA methylation reconfiguration during seed development and germination.

Project description: Not available

| S-EPMC5599895 | biostudies-literature

Dynamic DNA methylation reconfiguration during seed development and germination (MethylC-seq)

Project description:The life cycle of flowering plants ends and begins with seeds. Unlike animals, plants can pause their life cycle as dormant seeds during this transition. DNA methylation is involved in the regulation of gene expression and genome integrity. Reprogramming erases and re-establishes DNA methylation during development in animals. Knowledge of reprogramming or reconfiguration in plants has been limited to pollen and the central cell. To better understand epigenetic reconfiguration in the embryo, which forms the plant body, we compared dry and germinating seed time-series methylomes to publicly available seed development methylomes. Time-series whole genome bisulfite sequencing (WGBS) revealed extensive gain of CHH methylation during seed development and drastic loss of CHH methylation during germination. These dynamic changes in methylation mainly occur within transposable elements. Active DNA methylation during embryogenesis depends on both RNA-directed DNA methylation and heterochromatin formation pathways whereas global demethylation during germination occurs in a passive manner. However, an active DNA demethylation pathway is initiated during late embryogenesis, which contributes to the endosperm specific methylation patterns.This study provides new insights into dynamic DNA methylation reprogramming events during seed development and germination and suggests possible mechanisms of regulation. The observed sequential methylation/demethylation cycle suggests an important role of DNA methylation in seed dormancy.

2017-08-31 | GSE94710 | GEO

Dynamic DNA methylation reconfiguration during seed development and germination (RNA-seq)

2017-08-31 | GSE94711 | GEO

Dynamic DNA methylation reconfiguration during seed development and germination

Project description:Dynamic DNA methylation reconfiguration during seed development and germination

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Regulation of DNA (de)Methylation Positively Impacts Seed Germination during Seed Development under Heat Stress.

Project description: Not available

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Dynamic Changes of Genome-Wide DNA Methylation during Soybean Seed Development.

Project description: Not available

| S-EPMC5613027 | biostudies-literature

Regulation of DNA (de)methylation positively impacts seed germination during seed development under heat stress

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-03-23 | GSE167245 | GEO

DNA methylation during seed development in small-seeded chickpea

Project description:In this study, we performed bisulphite of two stages of seed development in a small-seeded chickpea cultivar (Himchana 1) using Illumina platform. Paired-end reads were generated from 5 libraries. Data obtained in FASTQ files were pre-processed to remove adapters and low-quality reads. We identified methylation level at each cytosine residue covered in sequencing and differentially methylated regions (DMRs) between stages of seed development.

2020-07-13 | GSE131669 | GEO

DNA methylation during seed development in large-seeded chickpea

Project description:In this study, we performed bisulphite of five stages of seed development in a large-seeded chickpea cultivar (JGK 3) using Illumina platform. Paired-end reads were generated from 11 libraries. Data obtained in FASTQ files were pre-processed to remove adapters and low-quality reads. We identified methylation level at each cytosine residue covered in sequencing and differentially methylated regions (DMRs) between stages of seed development.

2020-07-13 | GSE131665 | GEO

Methylation Changes During Soybean Seed Development

Project description:What methylation changes are occurring during seed development largely remains unknown. To uncover the possible role of DNA methylation throughout all of seed development - from fertilization through dormancy and post-germination in soybean, we characterized the methylome of whole seeds representing the differentiation (GLOB and COT stages), maturation (early- [EM], mid- [B1] and late- [AA1] maturation stages), dormancy (DRY stage), and post-germination (seedling) phases of soybean seed development using Illumina sequencing. In addition, we characterized the methylome of the cotyledons of germinated seedling to examine methylation differences before and after germination.

2011-12-22 | GSE34637 | GEO

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