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TranscriptomicsTranscription profiling by array of Burkholderia cenocepacia J2315 was exposed to heat stress and to stress form reactive oxygen species
B. cenocepacia J2315 was exposed to heat stress and to stress form reactive oxygen species.
To expose the cultures to heat stress, cells were grown at 37ºC to an O.D. of 0.4 to 0.45 and then transferred into a different shaking incubator at 42.5ºC, incubated for 1 hour at 150 rpm and harvested.<...
ORGANISM(S): Burkholderia cenocepacia 
2012-01-01 | E-MEXP-2791 | biostudies-arrayexpress
TranscriptomicsInfluence of oxygen limitation, absence of the cytochrome bc1 complex and low pH on global gene expression in Gluconobacter oxydans 621H using DNA microarray technology
The genome-wide transcriptional responses of the strictly aerobic -proteobacterium Gluconobacter oxydans 621H to oxygen limitation, to the absence of the cytochrome bc1 complex, and to low pH were studied using DNA microarray analyses. Oxygen limitation caused expression changes of 486 genes, repres...
ORGANISM(S): Gluconobacter oxydans 621H 
2012-03-23 | E-GEOD-34294 | biostudies-arrayexpress
MetabolomicsGlucose potentiates florfenicol killing of antibiotic-resistant V. parahaemolyticus by enhancing proton motive force and reactive oxygen species

 Florfenicol is valued for its clinical safety, particularly its reduced bone marrow toxicity compared to other old antibiotics of chloramphenicols. However, the rise of bacterial resistance threatens its efficacy. To address this, we evolved a florfenicol-resistant strain of Vibrio par...

2025-10-14 | MTBLS13132 | MetaboLights
MetabolomicsPhotosystem - driven resilience of green microalga Tetraselmis chuii toward acute nonylphenol stress

Anthropogenic chemicals pose a threat to aquatic ecosystems by targeting the microalgal photosynthetic engines that drive primary production. Although the toxic effects of pollutants such as nonylphenol (NP) are well-acknowledged, the molecular mechanisms enabling microalgal resilience remain lar...

2026-01-29 | MTBLS13769 | MetaboLights
MetabolomicsAccumulation of the coumarin scopolin under abiotic stress conditions is mediated by the Arabidopsis thaliana THO/TREX complex
Secondary metabolites are involved in the plant stress response. Among these are scopolin and its active form scopoletin, which are coumarin derivatives associated with reactive oxygen species scavenging and pathogen defence. Here we show that in Arabidopsis thaliana, scopolin accumulation can be in...
2018-02-05 | MTBLS389 | MetaboLights
TranscriptomicsEffect of STOP1 dificiency under low oxygen condition.
Comparison of stop1-mutant vs. wild type (WT;Col-0) treated with low-oxygen stress, and gene expression responses to low-oxygen in Arabidopsis shoots. Biological replicates: 3 replicates of shoot sample.
ORGANISM(S): Arabidopsis thaliana 
2019-05-10 | E-MTAB-7335 | biostudies-arrayexpress
TranscriptomicsCell wide response to low oxygen exposure in Desulfovibrio vulgaris Hildenborough
We investigated the effects of low level oxygen on Desulfovibrio vulgaris Hildenborough using microarrays. Keywords: time course, stress response Comparison of cells treated with 1000 ppm oxygen to untreated cells at 60,120,240 min.
ORGANISM(S): Desulfovibrio vulgaris str. Hildenborough 
2010-06-10 | E-GEOD-7816 | biostudies-arrayexpress
ProteomicsOxygen-confined photooxidation represents a novel form of oxidative protein damage
Oxidative modifications can disrupt protein folds and functions, and are strongly associated with human aging and diseases. Conventional oxidation pathways typically involve the free diffusion of reactive oxygen species (ROS), which primarily attack the protein surface. Yet, it remains unclear wheth...
ORGANISM(S): Homo Sapiens (human) Escherichia Coli 
2024-11-27 | PXD056895 | JPOST Repository
MetabolomicsOPA1 promotes ferroptosis by augmenting mitochondrial ROS and suppressing an integrated stress response

Ferroptosis, an iron-dependent form of nonapoptotic cell death mediated by lipid peroxidation, has been implicated in the pathogenesis of multiple diseases. Subcellular organelles play pivotal roles in the regulation of ferroptosis, but the mechanisms underlying the contributions of the mitochond...

2025-07-14 | MTBLS10544 | MetaboLights
TranscriptomicsOxygen-dependent changes in gene expression in Campylobacter jejuni NCTC 11168
Oxygen transition experiement. Chemostat initially at steady state under oxygen replete conditions (7.5% oxygen input) was perturbed by a reduction in oxygen input (to 1.88% oxygen input). Samples were taken at the 7.5% oxygen and new 1.88% oxygen steady-states and at various points during the trans...
ORGANISM(S): Campylobacter jejuni subsp. jejuni NCTC 11168 
2017-10-04 | E-MTAB-5743 | biostudies-arrayexpress
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