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ABSTRACT: Priming with an Ascophyllum nodosum extract improves drought tolerance in Arabidopsis

PROVIDER: PRJNA592062 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10541000.fastq.gz	Fastqsanger.gz
	SRR10541001.fastq.gz	Fastqsanger.gz
	SRR10541002.fastq.gz	Fastqsanger.gz
	SRR10541003.fastq.gz	Fastqsanger.gz
	SRR10541004.fastq.gz	Fastqsanger.gz

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Project description:Priming with an Ascophyllum nodosum extract improves drought tolerance in tomato

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Expression analysis of the genes induced by Ascophyllum nodosum extract in the presence of salinity stress

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Project description:To improve both drought stress tolerance and growth of plants, we generated transgenic Arabidopsis plants that overexpress DREB1A and GA5. It was reported that DREB1A improves drought stress tolerance in various crops but causes dwarfism, and GA5 encodes a GA synthetic enzyme which enhances plant growth. We performed microarray experiments using a single overexpressor of GA5 and the double overexpressor of DREB1A and GA5 to study the potential interactions of the gene networks regulated by the two factors in the double overexpressor.

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Project description:To improve both drought stress tolerance and growth of plants, we generated transgenic Arabidopsis plants that overexpress two transcription factors: DREB1A and PIF4. It was reported that DREB1A improves drought stress tolerance in various crops but causes dwarfism, and PIF4 enhances cell elongation through activation of cell wall synthesis. We performed microarray experiments using a single overexpressor of PIF4 and the double overexpressor of DREB1A and PIF4 to study the potential interactions of the gene networks regulated by the two transcription factors in the double overexpressor.

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Project description:To improve both drought stress tolerance and growth of plants, we generated transgenic Arabidopsis plants that overexpress two transcription factors: DREB1A and OsPIL1. It was reported that DREB1A improves drought stress tolerance in various crops but causes dwarfism, and OsPIL1 enhances cell elongation through activation of cell wall synthesis in rice. We performed microarray experiments using a single overexpressor of OsPIL1 and the double overexpressor of DREB1A and OsPIL1 to study the potential interactions of the gene networks regulated by the two transcription factors in the double overexpressor.

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Project description:Transcriptome analysis of Ascophyllum nodosum-treated tomato

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Arabidopsis thaliana

Project description:The Ascophyllum nodosum-derived biostimulant Super Fifty protects Arabidopsis thaliana from oxidative stress

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Arabidopsis thaliana

Project description:Expression analysis of the genes induced by Ascophyllum nodosum extract in the presence of salinity stress

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A large-scale circular RNA profiling reveals universal molecular mechanisms responsive to drought stress in maize and Arabidopsis

Project description:Drought is a major abiotic stress that threatens global food security. Circular RNAs (circRNAs) are endogenous RNAs. How these molecules influence plant stress responses remains elusive. Here, a large scale circRNA profiling identified 2174 and 1354 high-confidence circRNAs in maize and Arabidopsis, respectively, and most were differentially expressed in response to drought. A substantial number of drought-associated circRNA hosting genes were involved in conserved or species-specific pathways in drought responses. Comparative analysis revealed that circRNA biogenesis was more complex in maize than in Arabidopsis. In most cases, maize circRNAs were negatively correlated with sRNA accumulation. In 368 maize inbred lines, the circRNA-hosting genes were enriched for SNPs associated with circRNA expression and drought tolerance, implying either important roles of circRNAs in maize drought responses or their potential use as biomarkers for breeding drought-tolerant maize. Additionally, the expression levels of circRNAs derived from drought-responsible genes encoding calcium-dependent protein kinase and cytokinin oxidase/dehydrogenase were significantly associated with drought tolerance of maize seedlings. Specifically, Arabidopsis plants overexpressing circGORK (Guard cell outward-rectifying K+-channel) were hypersensitive to ABA, but insensitive to drought, suggesting a positive role of circGORK in drought tolerance. We report the transcriptomic profiling and transgenic studies of circRNAs in plant drought responses, and provide evidences highlighting the universal molecular mechanisms involved in plant drought tolerance.

2018-12-25 | GSE124340 | GEO

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