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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
ProteomicsOverexpression of catalase delays age-related cardiac disease by preventing oxidative cysteine modifications
Reactive protein cysteine thiolates are instrumental in redox regulation. Aging associated to oxidative stress, can impair redox signaling by damaging essential cysteine thiolates. Our initial study found that cardiac-specific overexpression of catalase, can protect from oxidative stress and delay c...
ORGANISM(S): Mus musculus (Mouse) 
2018-10-24 | PXD002479 | Pride
Metabolism Proteomics Reversible cysteine thiol oxidation Tmt Post-translational protein modifications Mass spectrometry Cardiac aging and disease 
TranscriptomicsPhotorespiratory stress in catalase deficient plants
Hydrogen peroxide (H2O2) can act as a signaling molecule that influences various aspects of plant growth and development, including stress signaling and cell death. To unravel the molecular mechanisms that regulate the response towards an impact of increased H2O2 levels in plant cells, we focused on...
ORGANISM(S): Arabidopsis thaliana 
2016-06-10 | E-GEOD-77171 | 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
TranscriptomicsIdentification of Gene Products Involved in the Oxidative Stress Response of Moraxella catarrhalis: Evaluation of OxyR dependent Genes
Series of DNA microarrays (4) comparing the M. catarrhalis strain 035E and M. catarrhalis oxyR mutant response to 50 mM hydrogen peroxide. Wild-type cells and oxyR mutant cells were exposed to 50 mM hydrogen peroxide for 15 minutes. RNA was extracted and DNA microarray analysis performed. 4 biologic...
ORGANISM(S): Moraxella catarrhalis 
2010-12-07 | E-GEOD-24351 | biostudies-arrayexpress
UnknownNuclear and peroxisomal targeting of catalase.
Not available
S-EPMC9305541 | biostudies-literature
UnknownMitochondria-targeted catalase reverts the neurotoxicity of hSOD1G⁹³A astrocytes without extending the survival of ALS-linked mutant hSOD1 mice.
Not available
S-EPMC4108402 | biostudies-literature
UnknownRole of the oxyferrous heme intermediate and distal side adduct radical in the catalase activity of Mycobacterium tuberculosis KatG revealed by the W107F mutant.
Not available
S-EPMC2652290 | biostudies-literature
UnknownAntibiotic resistance in Mycobacterium tuberculosis: peroxidase intermediate bypass causes poor isoniazid activation by the S315G mutant of M. tuberculosis catalase-peroxidase (KatG).
Not available
S-EPMC2713512 | biostudies-literature
UnknownOxyR acts as a repressor of catalase expression in Neisseria gonorrhoeae.
Not available
S-EPMC143252 | biostudies-literature
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