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Oryza sativa Japonica Group cultivar:Tainung 67

ABSTRACT: Transcriptomic studies of SUB1A-1, ERF66 and ERF67 overexpression lines under submergence

PROVIDER: PRJNA512592 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8387730_1.fastq.gz	Fastqsanger.gz
	SRR8387730_2.fastq.gz	Fastqsanger.gz
	SRR8387740_1.fastq.gz	Fastqsanger.gz
	SRR8387740_2.fastq.gz	Fastqsanger.gz
	SRR8387731_1.fastq.gz	Fastqsanger.gz

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mRNA sequencing of whole 15 d old Oryza sativa shoots

Project description:The rice gene SUB1A-1 confers flooding tolerance restricting shoot growth during submergence. Rice with SUB1A also show more rapid recovery after submergence ends, but mechanisms by which SUB1A improves recovery from submergence had not been examined. In this study, the transcriptome was sequenced at five time points over a 24 hour submergence recovery period in near-isogenic rice genotypes with and without SUB1A.

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Microarray data from aerial tissue of submergence tolerant M202(Sub1) and intolerant M202

Project description:An ERF transcription factor, Submergence-1A (Sub1A), dramatically enhances the tolerance to prolonged submergence in rice. For instance, rice accessions which lack Sub1A (e.g. M202) die within 7-10 d of complete submergence. By contrast, genotypes which posses Sub1A (e.g. M202(Sub1)) can endure submergence stress for 14 d. In this study, the two near isogenic lines with and without Sub1A were subjected to microarray analysis using Affymetrix Gene Chip technology. This analysis provided beneficial information to elucidate general response to submergence stress and to estimate Sub1A-dependent defense response to the stress at mRNA accumulation level.

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Expression data from Arabidopsis Col-0 expressing FLAG-SUB1A or FLAG-SUB1C rice ERFs

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Transcriptomic responses to submergence in elongating and non-elongating leaves of rice with and without SUB1A

Project description:This study evaluated transcriptomic responses to submergence in elongating and non-elongating leaves of rice near-isogenic lines with and without SUB1A using RNA-Seq. SUB1A is an ERF transcription factor gene and the key regulator of submergence tolerance in rice, restricting underwater elongation and avoiding starvation under the stress. Submergence induces mRNA accumulation of SUB1A similarly in elongating and non-elongating leaves. This study uncovered SUB1A-dependent and independent regulation of adaptive responses to submergence in the two functionally distinct leaves at the global level.

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Oryza sativa Japonica Group cultivar:Tainung 67

Project description:Oryza sativa Japonica Group cultivar:Tainung 67 Genome sequencing

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Microarray data from aerial tissue of submergence tolerant M202(Sub1) and intolerant M202

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Expression data from Arabidopsis Col-0 expressing FLAG-SUB1A or FLAG-SUB1C rice ERFs

Project description:In rice (Oryza sativa L.), the haplotype at the multigenic SUBMERGENCE 1 (SUB1) locus determines survival of prolonged submergence. SUB1 encodes two or three group VII Ethylene Response Factor (ERF) family transcription factors, SUB1A, SUB1B and SUB1C. A highly submergence-inducible SUB1A allele is present in lines that are submergence tolerant. This gene is the determinant of submergence tolerance. Here, the heterologous ectopic expression of rice SUB1A and SUB1C in Arabidopsis thaliana was employed to assess the transcriptional network mobilized by ectopic expression of SUB1A and SUB1C. Arabidopsis thaliana Col-0 plants were stably transformed with constructs allowing the expression of 35S:FLAG-SUB1A and 35S:FLAG-SUB1C. Affymetrix ATH1 arrays were hybridized with RNA isolated from 7-day-old whole seedlings at midday (growth chamber, 0.5X MS-agar plates, 1 %(w/v) sucrose, 23 ºC, 16 h light/ 8 h dark, 125 uE m-2 s-1). Two biological replicates each.

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The Submergence Tolerance Regulator Sub1A Mediates Stress-responsive Expression of AP2/ERF Transcription Factors

Project description:Rice NSF45K microarray experiment to dissect submergence tolerance response in submergence tolerant rice plant, M202(Sub1): We previously characterized the rice (Oryza sativa L.) Sub1 locus encoding three Ethylene Responsive Factor (ERF) transcriptional regulators. Genotypes carrying the Sub1A-1 allele are tolerant of prolonged submergence. To elucidate the mechanism of Sub1A-1 mediated tolerance, we performed transcriptome analyses comparing the temporal submergence response of Sub1A-1 containing tolerant M202(Sub1) with the intolerant isoline M202 lacking this gene at three duration of submergence (0d, 1d, and 6d) with two biological replicates and one or two dye-swaps. We identified 898 genes displaying Sub1A-1-dependent regulation. Keywords: Abiotic stress tolerance response

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