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The transcriptomic landscapes of rice cultivars with diverse root system architectures grown in upland field conditions [DAP-seq]

ABSTRACT: The transcriptomic landscapes of rice cultivars with diverse root system architectures grown in upland field conditions [DAP-seq]

PROVIDER: PRJNA681503 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13165642.fastq.gz	Fastqsanger.gz
	SRR13165643.fastq.gz	Fastqsanger.gz

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The transcriptomic landscapes of rice cultivars with diverse root system architectures grown in upland field conditions [DAP-seq]

Project description:Genomic diversity is a source of transcriptomic and phenotypic diversities. Although genomic variations in rice (Oryza sativa) accessions have been extensively analyzed, information of transcriptomic and phenotypic variations, especially for below-ground variations, are limited. Here, we report the diversities of above- and below-ground traits and transcriptomes in highly diversified 61 rice accessions grown in the upland-field. We found that phenotypic variations were explained by four principal components and that tiller numbers and crown root diameters could summarize admixture groups. Transcriptome analysis revealed that admixture-group-associated differentially expressed genes were enriched with stress response related genes, suggesting that admixture groups have distinct stress response mechanisms. Root growth was negatively correlated with auxin inducible genes, suggesting the association between auxin signaling and mild drought stress. Negative correlation between crown root diameters and stress response related genes suggested that thicker crown root diameter is associated with mild drought stress tolerance. Finally co-expression network analysis implemented with DAP-seq analysis identified phytohormone signaling network and key transcription factors negatively regulating crown root diameters. Our datasets would serve as an important resource for understanding genomic and transcriptomic basis of phenotypic variations under the upland-field condition.

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