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Reorganization of 3D chromatin architecture of rice genomes during heat stress (ATAC-Seq)

ABSTRACT: Reorganization of 3D chromatin architecture of rice genomes during heat stress (ATAC-Seq)

PROVIDER: PRJNA604028 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10991557_1.fastq.gz	Fastqsanger.gz
	SRR10991557_2.fastq.gz	Fastqsanger.gz
	SRR10991558_1.fastq.gz	Fastqsanger.gz
	SRR10991558_2.fastq.gz	Fastqsanger.gz
	SRR10991559_1.fastq.gz	Fastqsanger.gz

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Reorganization of 3D chromatin architecture of rice genomes during heat stress (HiC)

Project description:Reorganization of 3D chromatin architecture of rice genomes during heat stress (HiC)

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Reorganization of 3D chromatin architecture of rice genomes during heat stress (RNA-Seq)

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Reorganization of 3D chromatin architecture of rice genomes during heat stress (MeDIP-Seq)

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Reorganization of 3D chromatin architecture of rice genomes during heat stress (HiC)

Project description:Background: The three-dimensional spatial organization of the genome plays important roles in chromatin accessibility and gene expression in multiple biological process, and has been reported to be altered in response to environmental stress. However, the functional changes in spatial genome organization during environmental changes in crop plants are poorly understood. Results: Here we perform Hi-C, ATAC-seq and RNA-seq in two agronomically important rice cultivars, Nipponbare (Nip; Japonica) and 93-11 (Indica), to report a comprehensive profile of nuclear dynamics during heat stress (HS). We show that heat stress affects different levels of chromosome organization, including A/B compartment transition, increase in size of topologically associated domains, and loss of short-range interactions. The chromatin architectural changes were associated with chromatin accessibility and gene expression changes. Comparative analysis revealed that 93-11 exhibited more dynamic gene expression and chromatin accessibility changes, including of HS-related genes, consistent with observed higher HS tolerance in this cultivar. Conclusions: Our data uncovered higher-order chromatin architecture as a new layer in understanding transcriptional regulation in response to heat stress in rice.

2021-02-26 | GSE144565 | GEO