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TranscriptomicsCharacterization of anaerobic catabolism of p-coumarate in Rhodopseudomonas palustris
To address the question of how photosynthetic bacterium Rhodopseudomonas palustris metabolize lignin derived compound p-coumarate, transcriptomics and quantitative proteomics were combined to characterize gene expression profiles at both the mRNA level and protein level in Rhodopseudomonas palustris...
ORGANISM(S): Rhodopseudomonas palustris 
2008-05-07 | E-GEOD-6221 | biostudies-arrayexpress
TranscriptomicsThe activity of Rhodopseudomonas palustris p-coumaroyl-homoserine lactone-responsive transcription factor RpaR
The Rhodopseudomonas palustris transcriptional regulator RpaR responds to the RpaI-synthesized quorum-sensing signal p-coumaroyl-homoserine lactone (pC-HSL). Other characterized RpaR homologs respond to fatty acyl-HSLs. We show here that RpaR functions as a transcriptional activator, which binds dir...
ORGANISM(S): Rhodopseudomonas palustris 
2011-05-15 | E-GEOD-27365 | biostudies-arrayexpress
TranscriptomicsHow post-translational modification of nitrogenase is circumvented in Rhodopseudomonas palustris strains that produce hydrogen gas constitutively
Characterization of post-translational modification of nitrogenase in Rhodopseudomonas palustris strains that produce hydrogen gas constitutively. To characterize the effect of yeast extract as nitrogen source on gene expression under nitrogen fixing conditions, expression profiles of wild-type cell...
ORGANISM(S): Rhodopseudomonas palustris 
2012-03-15 | E-GEOD-32292 | biostudies-arrayexpress
TranscriptomicsNon-growing Rhodopseudomonas palustris increases the hydrogen gas yield from acetate by shifting from the glyoxylate shunt to the tricarboxylic acid cycle
Transcriptome analysis was performed in order to better understand the metabolic activity of non-growing cells of Rhodopseudomonas palustris for improve biofuel production. Gene expression profilings of cells from various time points during non-growing phase were compared using RNA-seq.
ORGANISM(S): Rhodopseudomonas palustris CGA009 
2014-02-04 | E-GEOD-51825 | biostudies-arrayexpress
TranscriptomicsFixK, a universal regulator of microaerobic growth, controls photosynthesis in Rhodopseudomonas palustris
Facultative phototrophic bacteria are excellent models for analyzing the coordination of major metabolic traits including oxidative phosphorylation, photophosphorylation, carbon dioxide fixation and nitrogen fixation. In Rhodobacter sphaeroides and R. capsulatus, a two-component system called RegBA ...
ORGANISM(S): Rhodopseudomonas palustris 
2010-08-15 | E-GEOD-6742 | biostudies-arrayexpress
TranscriptomicsFunctional genomic analysis of three nitrogenase isozymes in the photosynthetic bacterium Rhodopseudomonas palustris
To address the question of how photosynthetic bacterium Rhodopseudomonas palustris differentially regulates gene expression of three nitrogenase isozymes (Mo, V, and Fe nitrogenases), we constructed Mo strain (Mo nitrogenase only strain), V strain (V nitrogenase only strain), and Fe strain (Fe nitro...
ORGANISM(S): Rhodopseudomonas palustris 
2010-06-30 | E-GEOD-3030 | biostudies-arrayexpress
TranscriptomicsAn integrative genomics approach to explore diversity of light harvesting antenna complexes from environmental isolates of the purple non-sulfur bacterium Rhodopseudomonas palustris
Peripheral light harvesting (LH) antenna complexes have been studied extensively in the purple nonsulfur bacterium Rhodopseudomonas palustris because it produces different types of LH complexes under high light intensities (LH2 complex) and low light intensities (LH3 and LH4 complex). The ability o...
ORGANISM(S): Rhodopseudomonas palustris 
2015-03-01 | E-GEOD-59544 | biostudies-arrayexpress
TranscriptomicsA New Class of Homoserine Lactone Quorum Sensing Signals
Quorum sensing is a term used to describe cell-to-cell communication that allows cell density-dependent gene expression. Many Gram-negative bacteria use acyl-homoserine lactone (acyl-HSL) synthases to generate fatty acyl-HSL quorum sensing signals, which function with signal receptors to control exp...
ORGANISM(S): Rhodopseudomonas palustris CGA009 
2010-05-25 | E-GEOD-10642 | biostudies-arrayexpress
TranscriptomicsEffects of the Fnr homologue AadR on global gene expression
In order to define the AadR regulon we did transcriptome analysis of an aadR in frame-deletion mutant and compared to that of wild type. We found that AadR positively modulated expression of 43 genes, most of which are involved in degradation of aromatic acids under anaerobic conditions. It also act...
ORGANISM(S): Rhodopseudomonas palustris 
2010-12-13 | E-GEOD-19093 | biostudies-arrayexpress
TranscriptomicsR.palustris: cbbT1 overexpression and cbbT2 overexpression
Transcriptional profiling of Rhodopseudomonas palustris (R. palustris) comparing cbbT1 over-expressing strain with cbbT2 over-expressing strain. Goal was to discriminate the molecular mechanisms between transketolase I (cbbT1) and transketolase II (cbbT2). R.palustris is a purple non-sulfur anoxygen...
ORGANISM(S): Rhodopseudomonas palustris 
2014-05-06 | E-GEOD-29310 | biostudies-arrayexpress
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