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Salicylic acid-induced gene expression in wild-type Col-0 and mutant upl1, upl5, and npr1-1 Arabidopsis thaliana plants

ABSTRACT: Salicylic acid-induced gene expression in wild-type Col-0 and mutant upl1, upl5, and npr1-1 Arabidopsis thaliana plants

PROVIDER: PRJEB47659 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR6800720.fastq.gz	Fastqsanger.gz
	ERR6800730.fastq.gz	Fastqsanger.gz
	ERR6800721.fastq.gz	Fastqsanger.gz
	ERR6800712.fastq.gz	Fastqsanger.gz
	ERR6800722.fastq.gz	Fastqsanger.gz

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Similar Datasets

Salicylic acid-induced gene expression in wild-type Col-0 and mutant upl1, upl5, and npr1-1 Arabidopsis thaliana plants

Project description:The plant immune hormone salicylic acid (SA) modulates transcriptional reprogramming via controlling the master transcriptional coactivator, NPR1. Here we examined the role of HECT-type ubiquitin ligases, UPL1 and UPL5, in SA/NPR1-dependent transcriptional control. We showed that UPL1 and UPL5 are essential regulators of SA-responsive genes, and regulate SA-induced transcriptional reprogramming in a NPR1-dependent manner. Four-week old Arabidopsis thaliana plants of wild-type Col-0, mutant upl1, mutant upl5, and mutant npr1-1 genotypes were germinated on soil in 100% relative humidity. Plants were continuously grown in an environmental chamber with 16/8 hour day/night light regime (120 mol m-2 s-1 light intensity), 21/18 degrees celcius day/night cycle and 65% relative humidity. 4-week-old plants were sprayed with water or 0.5 mM SA until all leaves were thoroughly covered with fine droplets, samples were collected after 24 hours treatment. In total two independent biological repeats were collected.

2021-10-05 | E-MTAB-10963 | biostudies-arrayexpress

Salicylic acid-induced gene expression in wild-type Col-0 and mutant ube4 Arabidopsis thaliana plants

Project description:Activation of plant immunity is associated with dramatic transcriptome reprogramming to prioritise immune responses over normal cellular functions. Changes in gene expression are coordinated by the immune hormone salicylic acid (SA). Here we investigated the involvement of the E4 ubiquitin ligase UBE4/MUSE3 in SA-induced transcriptional reprogramming. We show that loss of UBE4 function results in amplified expression of SA-induced, NPR1-dependent gene expression. Twelve-day old Arabidopsis thaliana seedlings of wild-type Col-0, mutant ube4 (SAIL_713_A12) and mutant npr1-1 genotypes were grown on MS media supplemented with 1X Gamborg vitamins in an environmental chamber with 16/8 hour day/night light regime (120 mol m-2 s-1 light intensity) and 22 degrees Celcius. Seedlings were then transferred to 6-well plates and immersed in 10 ml of 0.5 mM SA or water. After 12 hours seedlings were harvested and for each treatment ~50 seedlings were pooled together into a single biological repeat. In total two independent biological repeats were collected. After harvesting seedlings were briefly dried on tissue and immediately frozen in liquid nitrogen until further analysis.

2019-03-20 | E-MTAB-7369 | biostudies-arrayexpress

Global gene-expression profiles of WT Arabidopsis (Col-0), npr1-1, and hac1/5 treated with water or INA

Project description:Global gene-expression profiles of WT Arabidopsis (Col-0), npr1-1, and hac1/5 were generated by RNA seq to study functional relationship between NPR1 and HACs in plant defense

2018-09-07 | GSE101567 | GEO

Oxicam-type nonsteroidal anti-inflammatory drugs inhibit NPR1-mediated salicylic acid pathway

Project description:Nonsteroidal anti-inflammatory drugs (NSAIDs), including salicylic acid (SA), target mammalian cyclooxygenases. In plants, SA is a defense hormone that regulates NON-EXPRESSOR OF PATHOGENESIS RELATED GENES 1 (NPR1), the master transcriptional regulator of immunity-related genes. We identify that the oxicam-type NSAIDs tenoxicam (TNX), meloxicam, and piroxicam, but not other types of NSAIDs, exhibit an inhibitory effect on immunity to bacteria and SA-dependent plant immune response. TNX treatment decreases NPR1 levels, independently from the proposed SA receptors NPR3 and NPR4. Instead, TNX induces oxidation of cytosolic redox status, which is also affected by SA and regulates NPR1 homeostasis. A cysteine labeling assay reveals that cysteine residues in NPR1 can be oxidized in vitro, leading to disulfide-bridged oligomerization of NPR1, but not in vivo regardless of SA or TNX treatment. Therefore, this study indicates that oxicam inhibits NPR1-mediated SA signaling without affecting the redox status of NPR1.

2021-11-09 | GSE154593 | GEO

Genome-wide maps of histone H3 acetylation (H3Ac) in wild type (WT; Col-0), npr1-1, and hac1/5

Project description:Genome-wide H3Ac maps of WT (Col-0), npr1-1, and hac1/5 leaves were generated by chromatin immunoprecipitation (ChIP) followed by high-throughput DNA sequencing (ChIP seq) to understand the role of HATs in the reprogramming of the epigenome during immune response.

2018-09-07 | GSE101570 | GEO

Salicylic acid-induced gene expression in wild-type Col-0 and mutant ube4 Arabidopsis thaliana plants

Project description:Salicylic acid-induced gene expression in wild-type Col-0 and mutant ube4 Arabidopsis thaliana plants

| PRJEB29533 | ENA

Salicylic Acid Suppresses Apical Hook Formation via NPR1-Mediated Repression of EIN3/EIL1 in Arabidopsis

Project description:Salicylic acid (SA) and ethylene (ET) are two important plant hormones that regulate numerous plant growth, development, and stress response processes. Previous studies have suggested functional interplay of SA and ET in defense response, but precisely how these two hormones co-regulate plant growth and development processes remains unclear. The present findings reveal an antagonism between SA and ET in apical hook formation, a process that ensures successful soil emergence of dicotyledonous etiolated seedlings. Exogenous SA inhibited the ET-induced expression of HOOKLESS1 (HLS1) in a manner dependent on ETHYLENE INSENSITIVE3 (EIN3)/EIN3-LIKE1 (EIL1), the core transcription factors in the ET signaling pathway. We found that SA-activated NONEXPRESSER OF PR GENES1 (NPR1) physically interacted with EIN3 and interfered with the direct binding of EIN3 to target gene promoters, including the HLS1 promoter. Transcriptomic analysis further revealed that NPR1 and EIN3/EIL1 coordinately regulated subsets of genes that mediate plant growth and stress responses, suggesting that the interaction between NPR1 and EIN3/EIL1 might be an important mechanism for integrating the SA and ET signaling pathways in multiple physiological processes. Taken together, our findings shed light on the molecular mechanism underlying SA regulation of apical hook formation as well as the antagonism between SA and ET in early seedling establishment and possibly other physiological processes.

2020-08-20 | GSE137212 | GEO

Total RNA sequencing of progenies of Col-0 grafted on msh1; Col-0 grafted on dcl2,3,4,msh1; Col-0 grafted on Col-0 in Arabidopsis [msh1_graft_leaf_RNA-seq]

Project description:Col-0 floral stem was grafted on the msh1 mutant (Col-0/msh1); on the dcl2,3,4,msh1 quadruple mutant (Col-0/dcl2,3,4,msh1); on Col-0 (Col-0/Col-0). Seeds were collected from the grafted Col-0 scion after grafts were established. Seed coming from the graft then were grown on the peat mix, leaf tissue was collected at the bolting and used for the total RNA sequencing.

2020-09-20 | GSE152565 | GEO

Acetici acid treated A.thaliana (Col-0)

Project description:Changes in histone H4 acetylation of Arabidopsis thaliana (Col-0) by treatment with acetic acid.

2017-04-03 | GSE95817 | GEO

Next generation mapping of the salicylic acid signaling hub and transcriptional cascade

Project description:For over 60 years, salicylic acid (SA) has been known as a plant immune signal required for both basal and systemic acquired resistance (SAR). SA activates these immune responses by reprogramming up to 20% of the transcriptome through the function of NPR1. However, components in the NPR1-signaling hub, which appears as nuclear condensates, and the cascade of the NPR1-signaling pathway remained elusive due to difficulties in studying transcriptional cofactors whose chromosomal associations are often indirect and transient. To overcome this challenge, we applied TurboID to divulge the NPR1-proxiome, which detected key known NPR1-interactors and many new components of transcription-related complexes.

2025-05-06 | PXD047543 | Pride

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