Arabidopsis thaliana strain:Col-0
Ontology highlight
ABSTRACT:
PROVIDER: PRJDB12503 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| DRR325208.fastq.gz | Fastqsanger.gz | |||
| DRR325209.fastq.gz | Fastqsanger.gz | |||
| DRR325210.fastq.gz | Fastqsanger.gz | |||
| DRR325211.fastq.gz | Fastqsanger.gz | |||
| DRR325212.fastq.gz | Fastqsanger.gz |
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Project description:Two structurally different oomycete lipophilic MAMPs containing microbe specific structures induce distinctive plant immune responses
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Project description:Activation of plant immunity by bacterial MAMPs such as flg22 affects nucleosome positioning over thousands of loci and is correlated with the transcription of immune-related genes. Data for chromatin remodelling ATPase EDA16 truncated and over-expressor mutants as well as Col-0 (control) are provided.
2021-04-20 | GSE149654 | GEO
Project description:To investigate gene expression differences related to the regulation of stomatal aperture between two Arabidopsis accessions, Me-0 and tetraploid Col, we performed microarray analysis on guard cell protoplasts from these two accessions. We identified 1,777 probes as up-regulated and 1,706 probes as down-regulated differentially expressed genes (DEGs) in Me-0 compared with tetraploid Col (adjusted P-value < 0.001 and log 2 fold change of greater than 1 or less than -1). Using gene set analysis to functionally characterize DEGs, there were eight significant gene sets (at the level of P-value < 0.01) among the up-regulated genes and seven significant gene set among the down-regulated genes. Genes with the lowest P-value among the up-regulated genes were related to “plant-type cell wall loosening”, an essential step in guard cell swelling. Most of the down-regulated genes were related to the defense responses for immunity, hypoxia, and ozone, which also influence stomatal responses or gas exchange. We propose that these gene expression differences may cause the difference in stomatal aperture between Me-0 and tetraploid Col.
2016-01-14 | GSE71914 | GEO
Project description:Plant vacuolar mPPase AVP1 is essential for plant development and growth, genetic modification of AVP1 and its orthologs in crops have been shown to alter normal plant growth and responses to various abiotic stresses, such as drought and salinity stresses. Until now, the transcriptional reprograming in repsonse to the disruption of AVP1 remains elusive. We used microarrays to detail the global programme of gene expression underlying the contribution of Arabidopsis AVP1 in repsonse to a continous low calcium treatment.
2026-01-05 | GSE278279 | GEO
Project description:Plant cell surface receptors sense microbial pathogens by recognizing microbial structures called pathogen or microbe-associated molecular patterns (PAMPs/MAMPs). There are two major types of plant pattern recognition receptors: 1. Leucine-rich repeat receptor proteins (LRR-RP) and LRR receptor kinases (LRR-RK) and 2. Plant receptor proteins and receptor kinases carrying ectopic lysin motifs (LysM-RP and LysM-RK). In this study, Arabidopsis thaliana responses to three different MAMPs, flg22, nlp20, chitin (C6), via their corresponding receptor types, FLS2 (LRR-RK), RLP23 (LRR-RP), CERK1 (LysM-RK) were compared. Our RNA-seq results indicate that a core set of defense-related genes can be activated through perception of different MAMPs. However, there are also notable differences in the transcriptional changes in response to the various elicitors; flg22 causes broader transcriptome changes than nlp20 and C6, and C6 does not cause late transcriptome changes.
2019-06-21 | GSE133053 | GEO
Project description:As sessile organisms, plants require dynamic pathways in order to recognize pathogens and coordinate plant defenses by signalling. Agrobacterium tumefaciens C58 is able to avoid triggering plant defenses prior to entering the cell, and therefore is only detected once infection has begun making Agrobacterium a plant pathogen to numerous plant species. Understanding plant responses to Agrobacterium will be useful in improving plant defenses and potentially may also improve plant transformation efficiency. Microarrays were utilized for detailing the global gene expression pattern in A. thaliana Col-0 leafs in response to A. tumefaciens C58 for the identification of differentially expressed genes.
2014-10-28 | GSE62749 | GEO
Project description:As sessile organisms, plants require dynamic pathways in order to recognize pathogens and coordinate plant defenses by signalling. Agrobacterium tumefaciens C58 is able to avoid triggering plant defenses prior to entering the cell, and therefore is only detected once infection has begun making Agrobacterium a plant pathogen to numerous plant species. Understanding plant responses to Agrobacterium will be useful in improving plant defenses and potentially may also improve plant transformation efficiency. Microarrays were utilized for detailing the global gene expression pattern in A. thaliana Col-0 roots in response to A. tumefaciens C58 for the identification of differentially expressed genes.
2014-10-28 | GSE62750 | GEO
Project description:Metal tolerance is often a result of metal storage or distribution. Thus, with the goal of advancing the molecular understanding of such metal homeostatic mechanisms, natural variation of metal tolerance in Arabidopsis thaliana was investigated. Substantial variation exists in tolerance of excess copper (Cu), zinc (Zn) and cadmium (Cd). Two accessions, Col-0 and Bur-0, and a recombinant inbred line (RIL) population derived from these parents were chosen for further analysis of Cd and Zn tolerance variation, which is evident at different plant ages in various experimental systems and appears to be genetically linked. Three QTLs, explaining in total nearly 50 % of the variation in Cd tolerance, were mapped. The one obvious candidate gene in the mapped intervals, HMA3, is unlikely to contribute to the variation. In order to identify additional candidate genes the Cd responses of Col-0 and Bur-0 were compared at the transcriptome level. The sustained common Cd response of the two accessions was dominated by processes implicated in plant pathogen defense. Accession-specific differences suggested a more efficient activation of acclimative responses as underlying the higher Cd tolerance of Bur-0. The second hypothesis derived from the physiological characterization of the accessions is a reduced Cd accumulation in Bur-0. The microarray analysis was used to identify candidate genes for Cd-tolerance and -accumulation differences between the accessions Bur-0 and Col-0 as well as to analyse the expressional response of A.thaliana to Cd-stress.
2017-07-24 | GSE94314 | GEO
Project description:The Jasmonate pathway regulators MYC2, MYC3 and MYC4 are central nodes in plant signaling networks integrating environmental and developmental signals to fine-tune jasmonate defenses and plant growth. Hence, their activity needs to be tightly regulated in order to optimize plant fitness. Among the increasing number of mechanisms regulating MYCs activity, protein stability is arising as a major player. However, how the levels of MYCs proteins are modulated is still poorly understood. Here, we report that MYC2, MYC3 and MYC4 are targets of BPM proteins, which act as substrate adaptors of CUL3-based E3 ubiquitin ligases. Reduction-of-function of CUL3BPM in amiR-bpm lines, bpm235 triple mutants and cul3ab double mutants enhances MYC2 and MYC3 stability and accumulation, and potentiates plant responses to JA such as root-growth inhibition, and MYC-regulated gene expression. BPM3 protein is stabilized by JA, suggesting a new negative feed-back regulatory mechanism to control MYCs activity. Our results uncover a new layer for JA-pathway regulation by CUL3BPM–mediated degradation of MYC TFs.
2020-02-09 | GSE131037 | GEO
Project description:FIP1-mediated Alternative Polyadenylation regulates plant development and root stress responses
| PRJNA528753 | ENA