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Genome-Wide Identification of ABA Responsive microRNAs in the Root of Populus euphratica

ABSTRACT: Genome-Wide Identification of ABA Responsive microRNAs in the Root of Populus euphratica

PROVIDER: PRJNA421435 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6356670.fastq.gz	Fastqsanger.gz
	SRR6356671.fastq.gz	Fastqsanger.gz
	SRR6356672.fastq.gz	Fastqsanger.gz
	SRR6356673.fastq.gz	Fastqsanger.gz
	SRR6356674.fastq.gz	Fastqsanger.gz

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Genome-Wide Identification of ABA Responsive microRNAs in the stem of Populus euphratica

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Genome-Wide Identification of ABA Responsive microRNAs in the root and stem of Populus euphratica

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A Genome-Wide Characterization of New and Drought Stress Responsive MicroRNAs in Populus euphratica

Project description:We present an efficient method to genome-wide discover new and drought stress responsive miRNAs in P. euphratica. High throughput sequencing of P. euphratica leaves found 197 conserved miRNAs between P. euphratica and Populus trichocarpa. Meanwhile, 189 new miRNAs which belonged to 120 families were identified, a large increasing to the number of P. euphratica miRNAs. Target prediction and degradome sequencing verification of 22 new and 21 conserved miRNA targets showed these targets were involved in multiple biological processes, including transcription regulation and response to stimulus. Furthermore, comparison of high-throughput sequencing with miRNA microarray profiling data indicated that 104 miRNA sequences were up-regulated, while 27 were down-regulated under drought stress. This preliminary characterization based on our findings provided a framework for future analysis of miRNA genes and their roles in key traits of poplar as stress resistance plant breeding and environment protection usage.

2011-04-25 | GSE25747 | GEO

Genome-Wide Identification of ABA Responsive microRNAs in the Root of Populus euphratica

Project description:More then 10 million raw reads were acquired. In total, 238 unique mature sequences which contain 142 conserved miRNA and 96 novel miRNAs were identified.

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2011-04-25 | E-GEOD-25747 | biostudies-arrayexpress

Genome-Wide Identification of ABA Responsive microRNAs in the root and stem of Populus euphratica

Project description:This SuperSeries is composed of the SubSeries listed below.

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ABA-responsive gene expression under shade

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Project description:A Genome-Wide Characterization of New and Drought Stress Responsive MicroRNAs in Populus euphratica

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Genome-Wide Identification of ABA Responsive microRNAs in the stem of Populus euphratica

Project description:More then 10 million raw reads were acquiredIn total, 247 unique mature sequences which contain 149 conserved miRNA and 98 novel miRNAs were identified.

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AtSnRK2.4 is an atypical SnRK2 ABA-responsive protein kinase

Project description:In Arabidopsis, protein kinases from SnRK2 subclass I and III are considered to be mainly osmotic- and ABA- responsive, respectively. In this work we shed light on the role of SnRK2.4 kinase, a member of subclass I, in shaping the plant root architecture in response to exogenous ABA. We showed that SnRK2.4 is active in control conditions and upon ABA treatment, with a higher ABA sensitivity than SnRK2.2 and SnRK2.3 from class III concerning lateral root inhibition and root primordia emergence. To get insights into the molecular substrates of SnRK2.4, we compared the transcriptome, the proteome and phosphoproteome of wild-type plant to that of snrk2.4 mutants in control conditions and after 1 µM ABA treatment. Our phosphoproteomic analysis, that described 3858 unique phosphopeptides corresponding to 1820 phosphoproteins, revealed that 186 and 277 proteins were under phosphorylated in snrk2.4 mutants, in control conditions and upon ABA treatment, respectively. A regulation by SnRK2.4 of membrane transporters and cell-to-cell communication was highlighted in both conditions. By contrast, in response to ABA, SnRK2.4 specifically induced a decreased cellular abundance of RNA-helicases, thus, putatively interfering with mRNA splicing. It also modulated the phosphorylation of proteins putatively involved in the attenuation of ABA signaling, in lipid signaling and in cell wall biosynthesis, via an intricate PKs cascade mainly including members of CDPKs. This work pinpoints SnRK2.4 as an atypical ABA responsive SnRK2 involved in fundamental aspects of cell physiology.

2025-10-06 | PXD061019 | Pride

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