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Bj Paraquat prolonged exposure vs. non-treatment

ABSTRACT: Genome-wide transcriptional profiling of cells exposed to 0.1 mM paraquat from time of inoculation.

ORGANISM(S): Bradyrhizobium japonicum Bradyrhizobium diazoefficiens USDA 110

PROVIDER: GSE26252 | GEO | 2011/05/16

SECONDARY ACCESSION(S): PRJNA142321

REPOSITORIES: GEO

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Bj Paraquat prolonged exposure vs. non-treatment

Project description:Genome-wide transcriptional profiling of cells exposed to 0.1 mM paraquat from time of inoculation. Three independent biological materials were prepared for cells exposed to 0.1 mM paraquat during growth and non-treated cells. A total 6 arrays which includes dye swap were analyzed.

2011-05-15 | E-GEOD-26252 | biostudies-arrayexpress

Bj H2O2 prolonged exposure vs. non-treatment

Project description:Genome-wide transcriptional profiling of cells exposed to 0.3 mM H2O2 from time of inoculation.

2011-07-30 | GSE26960 | GEO

Bj H2O2 prolonged exposure vs. non-treatment

Project description:Genome-wide transcriptional profiling of cells exposed to 0.3 mM H2O2 from time of inoculation. Three independent biological materials were prepared for cells exposed to 0.3 mM H2O2 during growth and non-treated cells. A total 6 arrays which includes dye swap were analyzed

2011-07-29 | E-GEOD-26960 | biostudies-arrayexpress

Bj Paraquat fulminant shock vs. non-treatment

Project description:Genome-wide transcriptional profiling of cells subjected to a paraquat fulminant shock treatment (5mM for 10 minutes).

2011-05-16 | GSE26236 | GEO

Bj Paraquat fulminant shock vs. non-treatment

Project description:Genome-wide transcriptional profiling of cells subjected to a paraquat fulminant shock treatment (5mM for 10 minutes). Three independent biological materials were prepared for cells shock treated with paraquat and non-treated cells. A total 6 arrays which includes dye swap were analyzed.

2011-05-15 | E-GEOD-26236 | biostudies-arrayexpress

Bj Paraquat

Project description:This SuperSeries is composed of the following subset Series: GSE26236: Bj Paraquat fulminant shock vs. non-treatment GSE26252: Bj Paraquat prolonged exposure vs. non-treatment Refer to individual Series

2011-05-15 | E-GEOD-26531 | biostudies-arrayexpress

Bj H2O2 shock vs. non-treatment

Project description:Genome-wide transcriptional profiling of cells subjected to a H2O2 shock treatment (10 mM for 10 minutes).

2011-07-30 | GSE26961 | GEO

Effect of paraquat and nicotine on gene expression in a Drosophila melanogaster Parkinson's disease model

Project description:Cigarette smoking is associated with reduced risk of developing Parkinson’s disease (PD). To identify genes that interact with nicotine/smoking, we performed hypothesis-free genome-wide experiments in a paraquat-induced Drosophila model and in a case-control study of PD. We demonstrated that nicotine extends life-span in paraquat-treated Drosophila (P=4E-30). Brain tissue from flies treated with combinations of paraquat and nicotine revealed elevated expression of CG14691 with paraquat which was restored with nicotine co-treatment (P(interaction)=2E-11, P(FDR-adjusted)=4E-7). Independently, variants in the 5’ region of SV2C, a human ortholog of CG14691, gave the strongest signal for interaction with smoking (P(interaction)=9E-8). The effect of smoking on PD risk varied six-fold by SV2C genotype (P(heterogeneity)=4E-10). Moreover, SV2C variants identified here were associated with SVC2 gene-expression in the HapMap data. Present results suggest synaptic vesicle protein SV2C plays a role in PD pathogenesis, and that the SV2C genotype may be useful for clinical trials of nicotine for treating PD. Drosophila female heads were dissected after exposure to plain food, food with paraquat, food with nicotine, or food with both paraquat and nicotine, and genome-wide expression was quantified using Affymetrix microarrays. 20 heads were pooled per replicate, with each treatment in triplicate, and all flies were dissected at the same timepoint, after 10 days of pretreatment (with 0.1 mg/ml nicotine or no nicotine, depending on treatment group), and then a further 6 days of treatment with either 5 mM paraquat or no paraquat, continuing on the pretreatment dose of nicotine. One biological replicate in the paraquat-only group showed RNA degradation and was not included in the normalization or subsequent analyses.

2012-09-05 | E-GEOD-35930 | biostudies-arrayexpress

Bj Paraquat

Project description:This SuperSeries is composed of the SubSeries listed below.

2011-05-16 | GSE26531 | GEO

Acinetobacter oleivorans DR1: paraquat-treated and phenazine methosulfate-treated

Project description:Transcriptional profiling of A. oleivorans DR1 cells in the presence of paraquat and phenazine methosulfate To identify genes involved in oxidative stress response in A. oleivorans DR1, cells were grown to exponential phase (OD600 ~0.4) and treated with paraquat (1 mM) and phenazine methosulfate (200 μM) over a period of 15 min. Total RNA was extracted using an RNeasy Mini kit (Qiagen, USA) following the manufacturer's instructions.

2015-06-29 | E-GEOD-70356 | biostudies-arrayexpress

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