GEO DataSets

Expression profiling of oxyR deletion mutant and wild type cells following treatment with 1 mM hydrogen peroxide. OxyR is a transcription factor that senses oxidative stress. Results provide insight into the mechanisms involved in oxidative stress tolerance.

Organism:

Rhodobacter sphaeroides; Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 2 genotype/variation, 3 time sets

Platform:

GPL162

Series:

GSE2829

15 Samples

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Analysis of the facultative photosynthetic anaerobe Rhodobacter sphaeroides at various time points during the transition from anaerobic-light to aerobic-dark growth conditions. Results provide insight into molecular mechanisms underlying the transition from one homeostatic state to another.

Organism:

Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 2 growth protocol, 6 time sets

Platform:

GPL162

Series:

GSE12269

24 Samples

Download data: CEL

Analysis of PpsR overexpressing and mutant strains grown at normal 20% oxygen. Expression examined in wild type cells at 0.5% oxygen. PpsR represses the transcription of a subset of biosynthetic genes in photosystem (PS) formation. Results suggest that PpsR is a master regulator of PS development.

Organism:

Rhodobacter sphaeroides; Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 4 genotype/variation, 2 growth protocol, 3 other sets

Platform:

GPL162

Series:

GSE1515

15 Samples

Download data: CEL

Expression profiling of anti-sigma factor ChrR deletion mutant grown aerobically in 30% oxygen. Binding of ChrR to sigma(E) blocks sigma(E)-dependent transcription.

Organism:

Rhodobacter sphaeroides; Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 2 genotype/variation sets

Platform:

GPL162

Series:

GSE2219

2 Samples

Download data: CEL, RPT

The phototrophic anoxygenic proteobacterium Rhodobacter sphaeroides 2.4.1 grown under 10% O2 semi-aerobic conditions in the dark, then illuminated with blue light for 5, 45 or 135 minutes before harvesting.

Organism:

Rhodobacter sphaeroides; Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 4 time sets

Platform:

GPL162

Series:

GSE1480

9 Samples

Download data: CEL

Molecular investigation of photosynthesis and the effect of varying illumination in proteobacteria. Bacteria illuminated with either lumiline bulbs at 10 W/m2 or tungsten bulbs at 100 W/m2.

Organism:

Rhodobacter sphaeroides; Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 2 protocol sets

Platform:

GPL162

Series:

GSE139

6 Samples

Download data: CEL, CHP