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Characterization of anaerobic catabolism of p-coumarate in Rhodopseudomonas palustris

ABSTRACT: 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 grown with succinate, benzoate, and p-coumarate as the carbon source. Keywords: Comparison of transcriptome profiles

ORGANISM(S): Rhodopseudomonas palustris

PROVIDER: GSE6221 | GEO | 2008/05/07

SECONDARY ACCESSION(S): PRJNA97539

REPOSITORIES: GEO

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Characterization of anaerobic catabolism of p-coumarate in Rhodopseudomonas palustris

Project description: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 grown with succinate, benzoate, and p-coumarate as the carbon source. Transcriptome profiles among Rhodopseudomonas palustris cells grown with succinate, benzoate, and p-coumarate as the carbon source were compared.

2008-05-07 | E-GEOD-6221 | biostudies-arrayexpress

Anaerobic degradation of syringic acid by an adapted strain of Rhodopseudomonas palustris

Project description:Rhodopseudomonas palustris strain SA008.1.07 can use syringic acid as sole organic carbon source anaerobically. Grew all anaerobically in various carbon sources: syringic acid, succinate, and p-hydroxybenzoic acid.

2019-11-25 | GSE135630 | GEO

Rhodopseudomonas palustris proteome grown under aerobic and anaerobic conditions

Project description:Rhodopseudomonas palustris proteome grown under three conditions to investigate the expression of essential genes.

2022-03-01 | PXD010001 | Pride

How post-translational modification of nitrogenase is circumvented in Rhodopseudomonas palustris strains that produce hydrogen gas constitutively

Project description: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 cells grown on either NF plus yeast extract and succinate and PM plus ammonium sulfate and succinate were compared using Affymetrix GeneChip. Using NF plus yeast extract and succinate media, transcriptome profiles of various mutants and wild-type cells were compared using glass spotted microarrays.

2012-03-15 | E-GEOD-32292 | biostudies-arrayexpress

Phosphoproteomic analysis of Rhodopseudomonas palustris

Project description:This study is to compare the phosphoproteome of Rhodopseudomonas palustris under photoheterotrophic and chemoheterotrophic states

2012-12-12 | PXD000025 | Pride

How post-translational modification of nitrogenase is circumvented in Rhodopseudomonas palustris strains that produce hydrogen gas constitutively

Project description:Characterization of post-translational modification of nitrogenase in Rhodopseudomonas palustris strains that produce hydrogen gas constitutively.

2012-03-15 | GSE32292 | GEO

Gene expression patterns of a Rhodopseudomonas palustris ΔregSR strain under photoheterotrophic growth conditions

Project description:The redox-sensing two-component signal transduction system, RegSR, in Rhodopseudomonas palustris has been shown to regulate an uptake hydrogenase in response to varying cellular redox states; however, its role is still largely undefined. Here, we used RNA sequencing to compare gene expression patterns in wild type R. palustris strain CGA010 to a ΔregSR derivative, CGA2023, under varying metabolic conditions. Growth conditions were chosen to utilize the different metabolic capabilites of R. palustris and, thus, present a variety of different redox challenges to the cell.

2021-07-31 | GSE150608 | GEO

Non-growing Rhodopseudomonas palustris increases the hydrogen gas yield from acetate by shifting from the glyoxylate shunt to the tricarboxylic acid cycle

Project description:Transcriptome analysis was performed in order to better understand the metabolic activity of non-growing cells of Rhodopseudomonas palustris for improve biofuel production.

2014-02-04 | GSE51825 | GEO

Identification of a previously uncharacterised polypeptide component of the Rhodopseudomonas palustris light-harvesting 2 complex.

Project description:The purple bacterium Rhodopseudomonas palustris is a model organism for dissecting the energy and electron transfer processes that have evolved in phototrophic organisms. This bacterium is of particular interest because, in addition to driving its metabolism via solar energy capture, it is capable of nitrogen and carbon dioxide fixation, producing hydrogen and utilising a wide range of organic compounds. Understanding these processes underpins the potential exploitation of Rhodopseudomonas palustris for synthetic biology, biohydrogen production and bioremediation, for example. Like other purple bacteria, Rhodopseudomonas palustris has 2 light-harvesting (LH) systems: LH1 and LH2. The former has already been extensively characterised by X-ray crystallography and cryo-EM. The aim of this proteomics project is to provide complementary information to support the cryo-EM mapping of LH2 structure.

2022-10-18 | PXD031538 | Pride

Functional genomic analysis of three nitrogenase isozymes in the photosynthetic bacterium Rhodopseudomonas palustris

Project description: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 nitrogenase only strain), and analyzed the whole genome transcriptome profiles of each mutant and wild-type cells grown under nitrogen-fixing conditions. Keywords: Genetic modification

2005-11-10 | GSE3030 | GEO

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