GEO DataSets

(Submitter supplied) Wild type (2.4.1) strain, dark conditions, controlled oxtgen concentration in the growth medium (achieved by constant sparging with a gas mixture containing 1% CO2, variable - indicated for every sample - concentration O2 and balance N2). Keywords: dose response

Organism:

Cereibacter sphaeroides; Cereibacter sphaeroides 2.4.1

Type:

Expression profiling by array

Platform:

GPL162

14 Samples

Download data: CEL

(Submitter supplied) mRNA levels were measured in Rhodobacter sphaeroides 2.4.1 at 20% O2 and 0.5% O2, Rhodobacter sphaeroides 2.4.1 App11 (AppA-null), Rhodobacter sphaeroides 2.4.1 (pPNs) and PpsR mutant PPS2-4. The mRNA samples were prepared from cultures supplied with 20% O2, 1% CO2, and 79% N2, and grown in the dark to an OD of 0.18. The mRNA levels for each strain was measured three times. Keywords: repeat sample

Organism:

Cereibacter sphaeroides; Cereibacter sphaeroides 2.4.1

Type:

Expression profiling by array

Dataset:

GDS1709

Platform:

GPL162

15 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

(Submitter supplied) Transcriptome profiling of Rhodobacter sphaeroides cells (WT and delta-oxyR mutant) grown in semiaerobic conditions, 7 and 30 min after addition of H2O2 up to 1 mM Keywords: time series

Organism:

Cereibacter sphaeroides 2.4.1; Cereibacter sphaeroides

Type:

Expression profiling by array

Dataset:

GDS1908

Platform:

GPL162

15 Samples

Download data

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

Download data

(Submitter supplied) The expression of genes involved in photosystem development in Rhodobacter sphaeroides is dependent upon three major regulatory networks: FnrL, the PrrBA two-component system and the AppA-PpsR pathway. A PrrA- mutant strain of R. sphaeroides is unable to develop under photosynthetic conditions, but when combined with a ppsR mutation, is able to resume growth. In an effort to better characterize the ppsR regulon and to unravel the relationship between the PrrBA and the AppA-PpsR networks, we compared transcriptome profiles from the wild type, PrrA- and PrrA-PpsR- strains under a permissive, common, growth condition: anaerobic-dark-DMSO. more...

Organism:

Cereibacter sphaeroides 2.4.1

Type:

Expression profiling by array

Platform:

GPL162

3 Samples

Download data: CEL

(Submitter supplied) aerobic, semiaerobic (3% O2),photosynthetic and DMSO growth conditions, 2.4.1 strain. Growth and RNA isolation were done independently in 2 laboratories (Laramie and Houston). Genechip sample preparation - in Laramie. Keywords: ordered

Organism:

Cereibacter sphaeroides 2.4.1; Cereibacter sphaeroides

Type:

Expression profiling by array

Dataset:

GDS290

Platform:

GPL162

27 Samples

Download data: CEL

Expression profiles of wild-type anoxygenic phototrophic proteobacterium grown under 0%, 3% and 30% oxygen tensions, and relationship to production of the photosystem.

Organism:

Rhodobacter sphaeroides; Rhodobacter sphaeroides 2.4.1

Type:

Expression profiling by array, count, 3 dose sets

Platform:

GPL162

Series:

GSE532

6 Samples

Download data: CEL

(Submitter supplied) Data used in "Responses of the Rhodobacter sphaeroides Transcriptome to Blue Light Under Semiaerobic Conditions" paper. Cells are grown at 10% O2 (see detailed description in the paper and in the sample info). Keywords: time-course

Organism:

Cereibacter sphaeroides 2.4.1; Cereibacter sphaeroides

Type:

Expression profiling by array

Dataset:

GDS718

Platform:

GPL162

9 Samples

Download data: CEL

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

(Submitter supplied) Iron-sulphur (Fe-S) clusters are ensembles of iron and sulphide centres. They are found in all life forms and are important components of many enzymes involved in diverse cellular processes, including respiration, DNA synthesis or gene regulation. However, the increase in oxygen after the emergence of oxygenic photosynthesis created a threat to Fe–S proteins and, consequently, to the organisms relying on them. more...

Organism:

Cereibacter sphaeroides 2.4.1

Type:

Expression profiling by array

Platform:

GPL15457

2 Samples

Download data: TXT