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Arabidopsis thaliana

ABSTRACT: Transcriptome analysis of Arabidopsis thaliana G protein subunit mutants in response to abscisic acid (ABA)

OTHER RELATED OMICS DATASETS IN: E-GEOD-19520

PROVIDER: PRJNA122229 | ENA |

REPOSITORIES: ENA

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Transcriptome analysis of Arabidopsis thaliana G protein subunit mutants in response to abscisic acid (ABA)

2010-12-06 | GSE19520 | GEO

Transcriptome analysis of Arabidopsis thaliana G protein subunit mutants in response to abscisic acid (ABA)

Project description:Heterotrimeric G proteins mediate crucial and diverse signaling pathways in eukaryotes. To gain insights into the regulatory modes of the G protein and the co-regulatory modes of the G protein and the stress hormone abscisic acid (ABA), we generated and analyzed gene expression in G protein subunit single and double mutants of the model plant Arabidopsis thaliana. Through a Boolean modeling approach, our analysis reveals novel modes of heterotrimeric G protein action. Keywords: transcriptome analysis; G protein subunit mutants; abscisic acid (ABA) Microarray data were generated from four genotypes (wild type, gpa1-4 mutant, agb1-2 mutant, agb1-2 gpa1-4 double mutant) with or without ABA treatment. Arabidopsis plants were grown in growth chambers with an 8 hr light/16hr dark. Three hundred Arabidopsis leaves excised from 60-70 five-week-old plants were used as the starting material for each guard cell microarray. Ten mature leaves taken from 3-4 plants grown side-by side with the plants for guard cell isolation were used for each leaf sample. Excised leaf and isolated guard cell samples were treated with ABA (50 μM) or EtOH (solvent control) for 3 hrs. For each type of sample (guard cells or leaves), three independent biological replicates were performed, resulting in a total of 48 microarray hybridizations (2 sample types ´ 4 genotypes ´ two treatments ´3 replicates).

2010-12-06 | E-GEOD-19520 | biostudies-arrayexpress

Agilent data from Arabidopsis thaliana enriched guard cell tissue and leafs.

2013-06-04 | GSE38639 | GEO

Agilent data from Arabidopsis thaliana enriched guard cell tissue and leafs.

2013-01-14 | GSE41054 | GEO

Time-series of the re-establishment of desiccation tolerance by ABA in germinated Arabidopsis thaliana seeds

Project description:Mature seeds of Arabidopsis thaliana are desiccation tolerant, but they lose DT while progressing to germination. Yet, there is a small developmental window during which DT can be rescued by treatment with abscisic acid (ABA). We used a time-series of microarrays to gain temporal resolution and identify relevant genes in the re-establishment of desiccation tolerance with ABA.

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Agilent data from Arabidopsis thaliana enriched guard cell tissue and leafs.

Project description:To identify genes of the guard cell transkriptome of Arabidopsis thaliana enriched guard cell samples were compared with total leaf tissue. Genes of the abscisic acid and humidity response of Arabidopsis thaliana guard cells were identified by treatment with ABA-Spray and low humidity. Ost1-2 and slac1-3 mutants were compared to their wildtype. total samples analysed are 35: 4 biolocigal independent replicates of: total leaf (COL-0) vs. enriched guard cells (COL-0); ABA-sprayed enriched guard cells (gl1-1) vs. control-sprayed enriched guard cells (gl1-1); enriched guard cells (slac1-3) vs. enriched guard cells (gl1-1);guard cells (ost1-2) vs. guard cells (ler);low humidity(20%rh) treated enriched guard cells (COL-0) vs. high humidity(80%) treated enriched guard cells (COL0)

2013-06-04 | E-GEOD-38639 | biostudies-arrayexpress

Agilent data from Arabidopsis thaliana enriched guard cell tissue and leafs.

Project description:To identify genes of the guard cell transcriptome of Arabidopsis thaliana enriched guard cell samples were compared with total leaf tissue. Genes of the abscisic acid and humidity response of Arabidopsis thaliana guard cells were identified by treatment with ABA-Spray and low humidity. total samples analysed are 24: 4 biological independent replicates of: total leaf (COL-0) vs. enriched guard cells (COL-0); ABA-sprayed enriched guard cells (gl1-1) vs. control-sprayed enriched guard cells (gl1-1); low humidity (20%rh) treated enriched guard cells (COL-0) vs. high humidity (80%) treated enriched guard cells (COL-0)

2013-01-14 | E-GEOD-41054 | biostudies-arrayexpress

Stress-induced changes in the Arabidopsis thaliana transcriptome analyzed using whole genome tiling arrays

Project description:Plant responses to abiotic stresses are accompanied by massive changes in transcriptome composition. To provide a comprehensive view of stress-induced changes in the Arabidopsis thaliana transcriptome, we have used whole-genome tiling arrays to analyze the effects of salt, osmotic, cold and heat stress as well as application of the hormone abscisic acid (ABA), an important mediator of stress responses.

2008-11-14 | GSE13584 | GEO

abaseed-ABA signaling in Arabidopsis seeds

Project description:ra14-04_nced - abaseed - Identification of abscisic acid (ABA) signaling factors and targets in Arabidopsis developing seeds by comparing ABA deficient and wild type genotypes. Transcriptome comparison of developing seeds harvested at 14 DAP from two ABA-deficient mutants (nced2 nced5 nced9 and nced2 nced5 nced6 nced9) and wild type (Columbia-0).

2015-07-01 | GSE68088 | GEO

Transcription profiling of Arabidopsis srk2cf mutant plants under abscisic acid (ABA) treatment for 0, 1 and 4 hours

Project description:Microarray experiments were performed using Arabidopsis wild type plants (Col-0) and srk2cf double knockout mutants to investigate functions of two osmotic stress-activated protein kinases, SRK2C and SRK2F. Transcription profiles of wild type and mutants were compared under abscisic acid (ABA) treatment for 0, 1 and 4 h.

2009-10-15 | E-MEXP-2378 | biostudies-arrayexpress

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