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Arabidopsis thaliana

ABSTRACT: Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana [CPL4(Oto)]

PROVIDER: PRJNA383872 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5464540_1.fastq.gz	Fastqsanger.gz
	SRR5464540_2.fastq.gz	Fastqsanger.gz
	SRR5464541_1.fastq.gz	Fastqsanger.gz
	SRR5464541_2.fastq.gz	Fastqsanger.gz
	SRR5464542_1.fastq.gz	Fastqsanger.gz

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Arabidopsis thaliana

Project description:Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana [im-nc]

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Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana

Project description:Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana

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Project description:Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana [CPL4(Oto)]

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Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana [im-nc]

Project description:RNA polymerase II C-terminal domain (CTD) phosphorylation regulates transcription of both protein-coding mRNAs and non-coding RNAs (ncRNAs). However, understanding about CTD-phosphoregulation in plant ncRNA transcription is still obscure. Here we used Arabidopsis CTD phosphatase-like 4 knock-down lines (CPL4RNAi) and show that CPL4 functions in a genome-wide, conditional 3'-extensions of small nuclear RNA (snRNA) and biogenesis of novel snR-DPGs, which are protein-coding snRNA-mRNA fusion transcripts (snR-Downstream Protein-coding Gene). Production of snR-DPG is dependent on pol II snRNA promoter (PIIsnR), and CPL4RNAi promotes readthrough of snRNA 3’-end processing signal and pol II transcription downstream of snRNA. Also discovered was a novel unstable ncRNASSP14, which is driven by a PIIsnR and is conditionally 3'-extended to produce mRNA. In wild type, the snRNA-to-snR-DPG switching is induced by salt stress, and is associated with alteration of CTD phosphorylation status in the transcribing pol II complex. The snR-DPG transcripts occur widely in plants, suggesting that the transcriptional snRNA-to-snR-DPG switching is a previously unknown mechanism ubiquitous in plants to regulate gene expression in response to environmental stresses.

2018-02-16 | GSE98046 | GEO

Salt-stress and CTD phosphatase-like 4 mediate switching of snRNA to mRNA transcription in Arabidopsis thaliana [CPL4(Oto)]

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Whole genome transcriptome profiling of Arabidopsis thaliana guard cells under saline growth conditions

Project description:The overall objective was to document transcriptomic changes in the guard cells of Arabidopsis thaliana under short (1x) - and long-term (3x) saline growth conditions. Guard cells of Arabidopsis responded also to the intensity of the salt management by the microarray datasets clearly clustering in (-) salt, 1x salt and 3x salt. Similarly, more GO terms were significantly enriched in differentially expressed guard cell genes of 1 x salt than 3x salt treated plants.

2021-03-20 | GSE169230 | GEO

Arabidopsis thaliana

Project description:A CTD phosphatase modulates eIF4AIII nucleocytoplasmic shuttling and nonsense-mediated mRNA decay

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Project description:Waters Raw data can be downloaded for shoot- and root parts of Arabidopsis thaliana accessions.

2018-11-14 | ST001096 | MetabolomicsWorkbench

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Transcriptome responses to combined biotic and abiotic stresses in Arabidopsis thaliana

Project description:Biotic and abiotic stresses limit agricultural yields, and plants are often simultaneously exposed to multiple stresses. Combinations of stresses such as heat and drought or cold and high light intensity, have profound effects on crop performance and yeilds To analyze such responses, we initially compared transcriptome changes in ten Arabidopsis thaliana ecotypes using cold, heat, high light, salt and flagellin treatments as single stress factors or their double combinations. Arabidopsis thaliana plants of ecotypes (Col, Ler, C24, Cvi, Kas1, An1, Sha, Kyo2, Eri and Kond) were subjected to the following stress treatments: Salt, Cold, Heat, High Light (HL), Salt+Heat, Salt+HL, Cold+HL, Heat+HL, as well as FLG (Flagellin, flg22 peptide), Cold+FLG, Heat+FLG

2013-01-31 | E-GEOD-41935 | biostudies-arrayexpress

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