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Maternal/embryonic aba-1-Analysis of the role of maternal and embryonic ABA in seeds.

ABSTRACT: ra07-02_aba2 - maternal/embryonic aba-1 - Identification of genes regulated by maternal and embryonic ABA - Comparison of expression in seeds (15 days after pollination) of aba2-2 mutant to wild type (Col-0), aba2 (female) x Col-0 (male) crossing, and aba2-2 sprayed with ABA (100 micro M, twice a week). Keywords: gene knock out,treated vs untreated comparison

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE10674 | GEO | 2008/05/29

SECONDARY ACCESSION(S): PRJNA107653

REPOSITORIES: GEO

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maternal/embryonic aba-1-Analysis of the role of maternal and embryonic ABA in seeds.

Project description:ra07-02_aba2 - maternal/embryonic aba-1 - Identification of genes regulated by maternal and embryonic ABA - Comparison of expression in seeds (15 days after pollination) of aba2-2 mutant to wild type (Col-0), aba2 (female) x Col-0 (male) crossing, and aba2-2 sprayed with ABA (100 micro M, twice a week). Keywords: gene knock out,treated vs untreated comparison 6 dye-swap - CATMA arrays

2008-05-28 | E-GEOD-10674 | biostudies-arrayexpress

Genetic analyses of interactions between ABA and GA in the control of leaf development in Arabidopsis thaliana

Project description:Although abscisic acid (ABA) and gibberellins (GAs) play pivotal roles in many physiological processes in plants, their interaction in the control of leaf growth remains elusive. In this study, genetic analyses of ABA and GA interplay in leaf growth were performed in Arabidopsis thaliana. The results indicate that for ABA and GA interaction, leaf growth of both the aba2/ga20ox1 and aba2/GA20OX1-OE plants exhibits partially additive effects but is similar to the aba2 mutant. Consistent with this result, transcriptome analysis suggests that a substantial proportion (45-65%) of the gene expression profile of aba2/ga20ox1 and aba2/GA20OX1-OE plants overlaps and shares a similar pattern to the aba2 mutant. Thus, these data support that ABA deficiency dominates leaf growth regardless of GA levels. Moreover, gene ontology (GO) analysis indicates gene enrichment in the categories of hormone response, developmental and metabolic processes, and cell wall organization in these three genotypes. Leaf developmental genes are also involved in ABA-GA interaction. Collectively, these data support that the genetic relationship of ABA and GA interaction involves multiple coordinated pathways rather than a simple linear pathway in the regulation of leaf growth. To better understand the molecular basis of ABA and GA interaction, transcriptome analysis was performed among the genotypes used in this study.

2015-06-01 | GSE61344 | GEO

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

Transcriptional response of wild type ABA-treated Arabidopsis seedlings

Project description:The transcriptional profile of wild-type Col-0 Arabidopsis seedling 4 hr after treatment with ABA was compared with mock-treated controls. Keywords: aba_treatment

2007-09-26 | GSE8456 | GEO

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

Transcriptional and splicing response of two Arabidopsis thaliana natural accessions to ABA-mediated stress.

Project description:RNA-seq experiment to study the transcriptional and splicing changes of two Arabidopsis thaliana natural accessions, Col-0 and Kn-0, grown for 4 days under normal conditions and transferred to control medium or 5 µM ABA for 3 hours.

2023-11-06 | GSE228303 | GEO

Transcriptional profiling by array of Arabidopsis ABA auxotroph to identify early downstream targets of transcription in response to a small dose of abscisic acid (ABA)

Project description:Abscisic acid (ABA) is a plant hormone that is important in responding to various environmental stresses. Using an ABA auxotroph in Arabidopsis (aba2-2) as the plant material, we would like to identify early downstream targets of transcription in response to a small dose of ABA, 1 uM. We also added cycloheximide to preferentially obtain immediate targets of ABA addition. We believe that using a sensitized background of an ABA auxotroph would yield a set of genes that are very closely regulated by ABA at the transcriptional level. This data set will be used for network analysis of ABA signaling.

2011-10-30 | E-MEXP-3404 | biostudies-arrayexpress

Control, low water potential (drought) stress and stress release transcriptome analysis of mutants impaired in proline (Delta1-pyrroline-5-carboxylate synthase1-4; p5cs1-4) or abscisic acid (aba2-1) synthesis.

Project description:mRNA sequencing was used to identify genes differentially expressed in Delta1-pyrroline-5-carboxylate synthase1-4 (p5cs1-4) mutants deficient in low water potential-induced proline accumulation and the Abscisic Acid (ABA) deficient mutant aba2-1 compared to Col-0 wild type. Three treatments were analyzed for each genotype: unstressed control, a 96 hour low water potential (-1.2 MPa) treatment and a stress-release treatment where seedlings were removed from the stress treatment and transferred back to control media for 10 hours. Approximately 100 genes were found to be significantly up-regulated in p5cs1-4 compared to wild type in both the control and stress treatments with an equal number down regulated. There was also a substantial transcription response to the stress release treatment which varied between wild type, p5cs1-4 and aba2-1.

2016-08-05 | GSE75933 | GEO

ABA and ethylene signaling crosstalk

Project description:Our current study showed that the ABA and ethylene signal transduction pathways function in parallel and have antagonistic interaction during seed germination and early seedling growth. To further address the possible mechanism by which these two hormones crosstalk, microarray analysis was performed. By microarray analysis we found that an ACC oxidase (ACO) was significantly up-regulated in the aba2 mutant, whereas the 9-CIS-EPOXYCAROTENOID DIOXYGENASE (NCED3) gene in ein2, and both the ABSCISIC ACID INSENSITIVE1 (ABI1) and cytochrome P450, family 707, subfamily A, polypeptide 2 (CYP707A2) genes in etr1-1 were up- and down-regulated, respectively. These data further suggest that ABA and ethylene may control the hormonal biosynthesis, catabolism or signaling of each other to enhance their antagonistic effects upon seed germination and early seedling growth.

2009-03-31 | GSE12715 | GEO

Microarray analysis of Col-0 and lbd37 lb38 lbd39 triple mutant treated with Mock or ABA

Project description:In order to functionally characterise the LATERAL ORGAN BOUNDARIES DOMAIN (LBD) 37/38/39 proteins during ABA response we performed microarray analysis of Col-0 and lbd37 lb38 lbd39 treated with Mock or ABA.

2023-01-09 | E-MTAB-8688 | biostudies-arrayexpress

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