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TranscriptomicsTranscription profiling of control and catalase-deficient Arabidopsis (Arabidopsis thaliana) plants
In plants, reactive oxygen species and, more particularly, hydrogen peroxide (H2O2) play a dual role as toxic by-products of normal cell metabolism and as regulatory molecules in stress perception and signal transduction. Peroxisomal catalases are an important sink for photorespiratory H2O2. Using A...
ORGANISM(S): Arabidopsis thaliana 
2005-10-11 | E-MEXP-449 | biostudies-arrayexpress
TranscriptomicsMicroarray analysis of Arabidopsis Col-0 and catalase 2 mutant define interactions between CO2, daylength and H2O2
Growth daylength, ambient CO2 level, and intracellular hydrogen peroxide (H2O2) availability all impact plant function by modulating signalling pathways, but interactions between them remain unclear. Using a whole-genome transcriptomics approach, we exploited the conditional photorespiratory nature ...
ORGANISM(S): Arabidopsis thaliana 
2012-03-07 | E-GEOD-27985 | biostudies-arrayexpress
TranscriptomicsFunctional characterization of Arabidopsis WRKY15 overexpressor plants
Transcriptional profiling of Col4WT and WRKY15 overexpressor (WRKY15OE) plants, grown under controlled and mild salt stress conditions in order to identify molecular mechanisms underlying the increased salt stress sensitivity of WRKY15OE plants. Two genotypes x two conditions experiment, including A...
ORGANISM(S): Arabidopsis thaliana 
2012-12-03 | E-GEOD-20494 | biostudies-arrayexpress
TranscriptomicsTranscript profiling of ERF115 transgenic Arabidopsis thaliana
This experiment was set up in order to identify the (direct) transcriptional targets of the Ethylene Response Factor 115 (ERF115) transcription factor. Because ERF115 expression occurs in quiescent center (QC) cells and strong effects on the QC cells were observed in ERF115 overexpression plants, ro...
ORGANISM(S): Arabidopsis thaliana 
2013-11-04 | E-GEOD-48836 | biostudies-arrayexpress
TranscriptomicsFunctional characterization of Arabidopsis mutants deficient in cytosolic APX1 and peroxisomal CAT2
Transcriptional profiling of WT, cytosolic ascorbate peroxidase 1 (Apx1) and peroxisomal catalase 2 (Cat2) single mutants and apx1/cat2 double mutant plants, subjected to 0h and 1h of high light irradiation in order to identify molecular mechanisms underlying the observed growth retardation and stre...
ORGANISM(S): Arabidopsis thaliana 
2011-01-11 | E-GEOD-19857 | biostudies-arrayexpress
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