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The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis

ABSTRACT: The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis

PROVIDER: PRJNA1165902 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30814160_1.fastq.gz	Fastqsanger.gz
	SRR30814160_2.fastq.gz	Fastqsanger.gz
	SRR30814161_1.fastq.gz	Fastqsanger.gz
	SRR30814161_2.fastq.gz	Fastqsanger.gz
	SRR30814162_1.fastq.gz	Fastqsanger.gz

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The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [RNA-Seq]

Project description:Seed germination is a critical developmental stage in the life cycle of plants, and its regulation is essential for ensuring crop productivity, particularly under adverse environmental conditions. Here, we find that the Arabidopsis thaliana PRE-MRNA-PROCESSING (PRP21) is crucial for the regulation of abscisic acid (ABA) response of seed germination. Our RNA deep sequencing and poly(A) tag sequencing analyses reveal that PRP21 is involved in pre-mRNA splicing, genome-wide gene transcription, and mRNA 3' end processing, highlighting its multifunctional role in gene regulation. Furthermore, we find that PRP21 interacts with various splicing factors and small nuclear ribonucleoproteins, suggesting its involvement in spliceosome assembly. Additionally, we demonstrate that PRP21 negatively regulates the expression of ABA-responsive genes, such as ABSCISIC ACID-INSENSITIVE 3 (ABI3), ABSCISIC ACID-INSENSITIVE 5 (ABI5), EARLY METHIONINE-LABELED 1 (EM1), and EARLY METHIONINE-LABELED 6 (EM6), thereby modulating ABA response and seed germination. Our findings underscore the importance of PRP21 in coordinating transcriptional and post-transcriptional processes, and provide insights into the molecular mechanisms underlying seed germination, potentially guiding crop improvement for stress tolerance.

2025-04-21 | GSE278189 | GEO

The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [ChIP-seq]

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The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [PAT-Seq]

2025-04-21 | GSE278188 | GEO

The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [ChIP-seq]

Project description:The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [ChIP-seq]

| PRJNA1234171 | ENA

The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [RNA-Seq]

Project description:The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [RNA-Seq]

| PRJNA1165907 | ENA

The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [PAT-Seq]

Project description:The conserved splicing factor PRP21 regulates abscisic acid response and seed germination in Arabidopsis [PAT-Seq]

| PRJNA1165906 | ENA

Dynamics of protein phosphorylation during Arabidopsis seed germination

Project description:Seed germination is a major step of plant growth and development. It is critical for species competition and spreading capacity in ecosystems. In agrosystems, it eventually impacts crop growth and yield. To prevent unappropriated germination under environmental conditions that do not guarantee the establishment of a robust plantlet, seeds from temperate species are generally dormant at maturity. Dormancy is a physiological mechanism that blocks seed germination even under favorable conditions and dormancy release is therefore required prior to germination [1]. A range of environmental (e.g. temperature, light, oxygen availability) and endogenous (e.g. hormonal) signals regulate these processes and germination completion, i.e. the early emergence of embryo radicle from seed envelope, can be achieved only when promoting mechanisms overcome inhibiting processes [2]. In that sense, the balance between the two antagonistic hormones abscisic acid (ABA) and gibberellins (GA), that inhibit and stimulate seed germination, respectively, promotes either dormancy (high ABA and low GA contents) or germination (low ABA and high GA contents) [3]

2022-07-06 | PXD033347 | Pride

Noncoding RNA HID1 promotes phyB-dependent seed germination by repressing the biosynthesis of ABA [ChIRP-seq]

Project description:Arabidopsis noncoding RNA HID1 acts as a positive regulator to promote phyB-mediated seed germination by modulating the biosynthesis of abscisic acid.

2024-05-05 | GSE195747 | GEO

Noncoding RNA HID1 promotes phyB-dependent seed germination by repressing the biosynthesis of ABA [RNA-seq]

Project description:Arabidopsis noncoding RNA HID1 acts as a positive regulator to promote phyB-mediated seed germination by modulating the biosynthesis of abscisic acid.

2024-05-04 | GSE195745 | GEO

Noncoding RNA HID1 promotes phyB-dependent seed germination by repressing the biosynthesis of ABA [ChIP-seq]

Project description:Arabidopsis noncoding RNA HID1 acts as a positive regulator to promote phyB-mediated seed germination by modulating the biosynthesis of abscisic acid.

2024-05-05 | GSE195746 | GEO

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