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ENAP1 regulates plant response to the droguht stress

ABSTRACT: ENAP1 regulates plant response to the droguht stress

PROVIDER: PRJNA839434 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19277048_1.fastq.gz	Fastqsanger.gz
	SRR19277048_2.fastq.gz	Fastqsanger.gz
	SRR19277049_1.fastq.gz	Fastqsanger.gz
	SRR19277049_2.fastq.gz	Fastqsanger.gz
	SRR19277050_1.fastq.gz	Fastqsanger.gz

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ENAP1 regulates plant response to the droguht stress

Project description:We measured the transcriptome changes in 10-day-old seedlings exposed to Mock and 25% PEG8000 treatment to investigate the differentially regulated genes by ENAP1/2 in response to dehydration

2022-10-19 | GSE203333 | GEO

The Arabidopsis Aminopeptidase LAP2 Regulates Plant Growth, Leaf Longivity and Stress Response

Project description:Peptidases are known to play key roles in multiple biological processes in all living organisms. In a model plant Arabidopsis, the vast majority of many putative aminopeptidases remain uncharacterized. We therefore aim to explore physiological function of uncharacterized aminopeptidase in higher plants using Arabidopsis as a model to study.We performed functional and expression analyses of the Arabidopsis LAP2 through cDNA cloning, isolation of T-DNA insertional mutants, characterization of the enzymatic activity, characterization of gene expression, and transcriptomic and metabolomic analyses of the mutants. We found that LAP2, one of the 28 aminopeptidases in Arabidopsis, regulates plant growth, leaf longevity and stress response by controlling intracellular protein turnover. Loss-of-function alleles of LAP2 reduced in vegetative growth, accelerated leaf senescence and rendered plants more sensitive to various stresses. LAP2 is highly expressed in the quiescent center cells in the root meristem, cotyledons and leaf veins. Integration of global gene expression and metabolite analyses suggest that LAP2 controlled intracellular protein turnover. The mutant maintained free leucine by up-regulating key genes for leucine biosynthesis, however, this influenced the flux of glutamate strikingly. As a result, gamma-aminobutyric acid, a metabolite which is derived from glutamate, was diminished in the mutant. Decrements in these nitrogen-rich compounds are associated with morphological alterations and stress sensitivity of the mutant.Our results provide molecular and biochemical evidence that LAP2 is indeed an enzymatically active aminopeptidase. LAP2 plays key roles in senescence, stress response and protein turnover. Regulated proteolysis is an important mechanism in all stages of the plant life cycle. The present study would contribute to further understanding of the aminopeptidases which have several implications in higher plants.

2010-06-02 | GSE22000 | GEO

Cap-binding complex assists RNA Polymerase II transcription in plant salt stress response

Project description:Adaptive response to stress involves an extensive reprogramming of gene expression. Under stressful conditions, the induction of efficient changes in mRNA production is crucial for maximized plant survival. Transcription and pre-mRNA processing are two closely related steps in mRNA biogenesis, yet how they are controlled in plant stress response remains elusive. Here, we show that the Arabidopsis nuclear cap-binding complex (CBC) component CBP20 directly interacts with ELF7, a subunit of the transcription elongation factor RNA Pol II-associated factor 1 complex (PAF1c) to promote RNA Pol II transcription in plant response to salt stress. CBP20 and ELF7 co-regulate the expression of a large number of genes including those crucial for salt tolerance. Both CBP20 and ELF7 are required for enhanced RNA Pol II elongation at salt-activated genes. Though CBP20 also regulates intron splicing, this function is largely independent of ELF7. Our study reveals the function of an RNA processing regulator CBC in assisting efficient RNA Pol II transcription and pinpoints the complex roles of CBC on mRNA production in plant salt stress resistance.

2022-09-28 | GSE202487 | GEO

Tissue-autonomous immune response regulates stress signalling during hypertrophy

Project description:Tissue-autonomous immune response regulates stress signalling during hypertrophy

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WNK2 regulates the response to hyperosmotic stress in chondrocytes

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Extracellular matrix protein Matrilin-4 regulates HSC stress response

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ENAP1 is involved in ethylene response

Project description:We report that ethylene regulate the ENAP1 binding. We perform a dual cross-linking procedure using the additional cross-linker ethylene glycol bis-succinimidylsuccinate (EGS; Thermo Scientific) along with formaldehyde according to (Pedmale et al. 2016) for Chip-sequencing (ChIPseq) of ENAP1, as well as ENAP1 ChIP- EIN2 reChIPseq (ChIP-reChIPseq), which were used chromatins isolated from 3-day old etiolated Col-0 seedlings treated with ethylene or air gas. Results show that ENAP1 is involved in the EIN2 dependent ethylene response.

2017-09-07 | GSE97288 | GEO

Cryptochrome 1 attenuates plant heat stress response by light-heat stress response signal pathways crosstalk in Arabidopsis

Project description:Cryptochrome 1 attenuates plant heat stress response by light-heat stress response signal pathways crosstalk in Arabidopsis

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Gene network downstream plant stress response modulated by peroxisomal H2O2

Project description:Gene network downstream plant stress response modulated by peroxisomal H2O2

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A plant-specific splicing factor RS33 regulates abiotic stress responses in rice

Project description:Here, we investigated the function of the plant-specific SR protein RS33 in pre-mRNA splicing regulation and abiotic stress responses in rice. The loss-of-function mutant, rs33, showed increased sensitivity to salt and low-temperature stress. Genome-wide analyses of gene expression and splicing in seedlings subjected to these stresses identified multiple splice isoforms from stress-responsive genes dependent on RS33. The number of RS33-regulated genes is much higher under low-temperature stress as compared to salt stress. Our results suggest that this plant-specific splicing factor plays crucial and distinct roles during plant adaptation to abiotic stresses.

2022-06-15 | GSE194283 | GEO

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