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Expression data from Arabidopsis gapcp mutant treated with ABA

ABSTRACT: Glycolytic Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) catalyzes the conversion of glyceraldehyde 3-phospate to 1,3-bisphosphoglycerate by coupling with the reduction of NAD+ to NADH. We generated mutants of the Arabidopsis plastidial GAPDH isoforms (At1g79530, At1g16300; GAPCp1, GAPCp2). gapcp double mutants (gapcp1 gapcp2) display a drastic phenotype of arrested root development and sterility.Complex interactions occurring between ABA and sugar signal transduction pathways have been shown, but the molecular mechanisms connecting both pathways are not well understood. Since we found drastic carbohydrate changes in gapcp1 gapcp2, we studied their response to ABA. by performing a microarray analysis comparing gapcp1 gapcp2 and wild type seedlings after a long term treatment with ABA. 15-day old Arabidopsis seedlings (Col 0) and gapcp1gapcp2 double mutants were used for RNA extraction and hybridization on Affymetrix microarrays.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Roc Ros

PROVIDER: E-GEOD-21765 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression data from Arabidopsis gapcp mutant treated with ABA

Project description:Glycolytic Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) catalyzes the conversion of glyceraldehyde 3-phospate to 1,3-bisphosphoglycerate by coupling with the reduction of NAD+ to NADH. We generated mutants of the Arabidopsis plastidial GAPDH isoforms (At1g79530, At1g16300; GAPCp1, GAPCp2). gapcp double mutants (gapcp1 gapcp2) display a drastic phenotype of arrested root development and sterility.Complex interactions occurring between ABA and sugar signal transduction pathways have been shown, but the molecular mechanisms connecting both pathways are not well understood. Since we found drastic carbohydrate changes in gapcp1 gapcp2, we studied their response to ABA. by performing a microarray analysis comparing gapcp1 gapcp2 and wild type seedlings after a long term treatment with ABA.

2010-05-11 | GSE21765 | GEO

Expression data from Arabidopsis gapcp mutant

Project description:Glycolytic Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) catalyzes the conversion of glyceraldehyde 3-phospate to 1,3-bisphosphoglycerate by coupling with the reduction of NAD+ to NADH. Both cytosolic and plastidial isoforms of GAPDH has been described but the in vivo functions of the plastidial isoforms is unresolved. We generated mutants of the Arabidopsis plastidial GAPDH isoforms (At1g79530, At1g16300; GAPCp1, GAPCp2) and performed a microarray analysis comparing gapcp double (gapcp1 gapcp2) mutant and wild type seedlings Experiment Overall Design: 15-day old Arabidopsis seedlings (Col 0) and gapcp1gapcp2 double mutants were used for RNA extraction and hybridization on Affymetrix microarrays.

2009-02-21 | E-GEOD-14765 | biostudies-arrayexpress

Expression data from Arabidopsis gapcp mutant

Project description:Glycolytic Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) catalyzes the conversion of glyceraldehyde 3-phospate to 1,3-bisphosphoglycerate by coupling with the reduction of NAD+ to NADH. Both cytosolic and plastidial isoforms of GAPDH has been described but the in vivo functions of the plastidial isoforms is unresolved. We generated mutants of the Arabidopsis plastidial GAPDH isoforms (At1g79530, At1g16300; GAPCp1, GAPCp2) and performed a microarray analysis comparing gapcp double (gapcp1 gapcp2) mutant and wild type seedlings

2009-02-10 | GSE14765 | GEO

Transcriptome analysis of vtc1, abi4-102 and wild type Col 0

Project description:The role of abscisic acid (ABA) signalling in the ascorbic acid (AA)-dependent control of plant growth and defence was determined using the vtc1 and vtc2 mutants, which have impaired ascorbic acid synthesis, and in the abi4 mutant that is impaired in ABA-signalling. ABA levels were increase in the mutants relative to the wild type (Col0). Like vtc1 the vtc2 mutants have a slow growth relative to Col0. However, the wild type phenotype is restored in the abi4vtc2 double mutant. Similarly, the sugar sensing phenotype of in the abi4 is reversed in the abi4vtc2 double mutant. The vtc1 and vtc2 leaf transcriptomes show up to 70 % homology with abi4. Of the transcripts that are altered in the mutants a relative to Col0, only a small number are reversed in the abi4vtc2 double mutants relative to either abi4 or vtc2. We conclude that AA controls growth via an ABA and abi4-dependent signalling pathway. The vtc and abi4 mutants have enhanced glutathione levels and common redox signalling pathways leading to similar gene expression patterns. Rosettes of 42 days old plants were harvested and used to exctract RNA

2011-08-25 | E-GEOD-23330 | biostudies-arrayexpress

Transcriptome analysis of vtc2, abi4-102 and the corresponding double mutant abi4 vtc2

2011-08-25 | E-GEOD-23329 | biostudies-arrayexpress

Identification of a T-cell lymphoma in plkcGAPDH transgenic mice (Exome)

Project description:Glyceraldehyde-3-phosphate-dehydrogenase (GAPDH) is emerging as a key player in T-cell development, function and cancer. Here we investigated the role of GAPDH in T-cell development/function by overexpressing GAPDH in the T-cell lineage. Aged mice developed: 1) splenomegaly, 2) enlarged lymph nodes, 3) lymphocyte-infiltrations in the liver and bone marrow. All showed an increase of strongly proliferating and clonal Tfh CXCR5+PD1highCD4+-T cells associated with germinal center B cells and inflammatory cytokine-release. Gene-set-expression-analysis confirmed that this lymphoma was equivalent to human angioimmunoblastic T-cell lymphoma (AITL). Mechanistically, GAPDH induced NF-kB pathway in the murine AITL in vivo inhibition of NF-kB combined with anti-PD1 increased mice survival and cancer immune response. GAPDH-dependent modulation of NF-kB in T-cells allowed to model AITL-disease and evaluate treatments.

2021-10-20 | GSE121592 | GEO

Identification of a T cell lymphoma in plkcGAPDH transgénic mice (RNA-Seq)

Project description:Glyceraldehyde-3-phosphate-dehydrogenase (GAPDH) is emerging as a key player in T-cell development, function and cancer. Here we investigated the role of GAPDH in T-cell development/function by overexpressing GAPDH in the T-cell lineage. Aged mice developed: 1) splenomegaly, 2) enlarged lymph nodes, 3) lymphocyte-infiltrations in the liver and bone marrow. All showed an increase of strongly proliferating and clonal Tfh CXCR5+PD1highCD4+-T cells associated with germinal center B cells and inflammatory cytokine-release. Gene-set-expression-analysis confirmed that this lymphoma was equivalent to human angioimmunoblastic T-cell lymphoma (AITL). Mechanistically, GAPDH induced NF-B pathway in the murine AITL in vivo inhibition of NF-B combined with anti-PD1 increased mice survival and cancer immune response. GAPDH-dependent modulation of NF-B in T-cells allowed to model AITL-disease and evaluate treatments.

2021-10-20 | GSE121747 | GEO

Transcription profiling by array of Nipponbare rice roots over a time course of potassium deprivation

Project description:Potassium (K+) is one of the most important nutrient ions in plant cells and play crucial roles in many plant physiological and developmental processes. K+ deficiency is the common abiotic stress in natural environment, which inhibits plant growth and reduces production of crops. We used microarrays to analyse the transcriptomic changes in rice roots after suffering K+ starvation at different times. The results of GO analysis showed that these transcriptionally changed genes mainly fell into the categories of metabolic process, membrane, cation binding, kinase activity, transport and so on. The two-week-old hydroponic rice seedlings were transferred to K+-free solution (-K) and K+-replete solution (+K, 1 mM K+) as treatment (LK) and control (CK) conditions respectively. The fresh roots of both control and treated rice seedlings were collected after K+-deficient treatment at indicated times (6 h, 3 d and 5 d). The roots were frozen immediately using liquid nitrogen and stored at -80℃ for further RNA extraction. Every RNA sample was derived from 5 independent seedlings. In sum, three time points were selected and three biological replicates were performed at each time point, totally 18 rice genome arrays were used.

2012-10-31 | E-GEOD-37161 | biostudies-arrayexpress

Nigella sativa

Project description:isolation of Glyceraldehyde-3-Phosphate Dehydrogenase(GAPDH), partial cds in Nigella sativa

| PRJDB13838 | ENA

Coevolution of hormone metabolism and signaling networks expands plant adaptive plasticity

Project description:Differential transcriptomic analysis of 10-day-old Arabidopsis seedlings treated with 50 Î¼M ABA, PA, or DPA. 10-day-old Arabidopsis seedlings grown on MS medium was treated with 50 Î¼M ABA, PA, or DPA. Total RNA was extracted from biological duplicates, Illumina RNAseq was performed on each sample.

2016-08-11 | E-GEOD-65739 | biostudies-arrayexpress

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