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TranscriptomicsRespiratory burst oxidase homologues D and F in catalase2 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. Catalase deficient plants are pioneering systems which accumulate hydrogen peroxide (H2O2) from peroxisomal origin during photorespirat...
ORGANISM(S): Arabidopsis thaliana 
2016-06-10 | E-GEOD-81516 | biostudies-arrayexpress
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
ProteomicsThe nuclear sulfenome of Arabidopsis: spotlight on histone acetyltransferase GCN5 regulation through functional thiols
In aerobic life forms, reactive oxygen species (ROS) are produced by the partial reduction of oxygen during energy-generating metabolic processes. In plants, ROS production increases during periods of both abiotic and biotic stress, severely overloading the antioxidant systems. Hydrogen peroxide (H2...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2025-02-20 | PXD057987 | Pride
Sulfenylation Arabidopsis Gcn5 Dimedone 
TranscriptomicsPhotorespiratory stress low CO2 conditions
Six weeks old Arabidopsis plants were transferred to a low CO2 (100 ppm) environment during 24 hours and compared to control plants kept under ambient CO2 conditions. Limited CO2 availability will cause higher rates of photorespiration and affect the plant redox homeostasis. We studied the transcrip...
ORGANISM(S): Arabidopsis thaliana 
2016-06-10 | E-GEOD-80158 | biostudies-arrayexpress
TranscriptomicsTranscriptional responses in Arabidopsis seedlings after hydrogen peroxide treatment
Excessive levels of reactive oxygen species (ROS) cause cellular stress through damage to all classes of macromolecules and result in cell death. However, ROS can also act as signaling molecules in various biological processes. In plants, ROS signaling has been documented in environmental stress per...
ORGANISM(S): Arabidopsis thaliana 
2016-06-10 | E-GEOD-80200 | biostudies-arrayexpress
TranscriptomicsTranscriptomic responses of cat2-2 and shr-6 cat2-2 to photorespiratory conditions
Hydrogen peroxide (H2O2) is a potent signaling molecule influencing various aspects of plant growth and development. Its limited lifetime and specific production sites in the plant cell necessitate the existence of specialized mechanisms that relay H2O2-encoded information. To discover such mechanis...
ORGANISM(S): Arabidopsis thaliana 
2016-06-10 | E-GEOD-66365 | biostudies-arrayexpress
ProteomicsArabidopsis SME interactome reveals spliceosome components
Alternative splicing (AS) can produce multiple transcripts with different exon-intron structures from a single pre-mRNA. Pre-mRNA splicing is catalyzed by a dynamic macromolecular ribonucleoprotein (RNP) complex termed the spliceosome. The spliceosome consists of several small nuclear ribonucleoprot...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2023-03-03 | PXD016607 | Pride
Pre-mrna splicing Sme Arabidopsis Sm ring Spliceosome Splicing Alternative splicing 
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
ProteomicsThe Arabidopsis Mediator complex subunit 8 regulates oxidative stress responses
Hydrogen peroxide (H2O2) signals regulate plant growth and defense by orchestrating genome-wide transcriptional re-programming, however, the specific mechanisms that regulate H2O2-dependent gene expression are poorly understood. Here we report the identification of the Mediator complex subunit MED8 ...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2021-09-17 | PXD016615 | Pride
Arabidopsis Mediator complex Catalase Oxidative stress Med8 Hydrogen peroxide 
ProteomicsIn situ identification of S-sulfenylation sites in Arabidopsis thaliana using the genetic YAP1 probe
Hydrogen peroxide (H2O2) reacts, directly or indirectly, with cysteines to form cysteine sulfenic acid, also known as S-sulfenylation. This cysteine oxidation steers diverse cellular processes by altering protein interactions, trafficking, conformation, and function. We present a method to identify ...
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2020-12-15 | PXD016723 | Pride
S-sulfenylation Arabidopsis thaliana Post-translational modification Disulfide Cross-link Redox Cysteine oxidation Yap1c 
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