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MetabolomicsThe Arabidopsis Concert of Metabolic Acclimation to High Light Stress

In plants, exposure to high light irradiation induces various stress responses, which entail complex metabolic rearrangements. To explore these dynamics, we conducted time-course experiments spanning 2 minutes to 72 hours with Arabidopsis thaliana under high and control light. Comparative metabol...

2024-08-16 | MTBLS3109 | MetaboLights
ProteomicsStructural and functional differentiation of the light-harvesting protein Lhcb4 during land plant diversification
About 475 million years ago plants originated from an ancestral green alga and evolved first as non-vascular and later as vascular plants, becoming the primary producers of biomass on lands. During that time, the light harvesting complex II (LHCII), responsible for sunlight absorption and excitation...
ORGANISM(S): Pisum sativum (Garden pea) 
2019-03-25 | PXD011213 | Pride
Proteomics Light acclimation Swath Psii Land plants evolution Label-free Lhcii Light harvesting 
TranscriptomicsAn Integrated Analysis of Molecular Acclimation to High Light in the Marine Diatom Phaeodactylum tricornutum
Photosynthetic diatoms are exposed to rapid and unpredictable changes in irradiance and spectral quality, and must be able to adapt their light harvesting systems to varying light conditions. Molecular mechanisms behind light acclimation in diatoms are largely unknown. We set out to investigate the ...
ORGANISM(S): Phaeodactylum tricornutum 
2009-11-05 | E-GEOD-17237 | biostudies-arrayexpress
ProteomicsIdentification of a previously uncharacterised polypeptide component of the Rhodopseudomonas palustris light-harvesting 2 complex.
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 o...
ORGANISM(S): Rhodopseudomonas palustris CGA009 
2022-10-18 | PXD031538 | Pride
Light-harvesting 2 complex Rhodopseudomonas palustris Gamma-subunit Rpa_1495 
TranscriptomicsSystem responses to equal doses of photosynthetically usable radiation of blue, green, and red light in the marine diatom Phaeodactylum tricornutum.
We have studied the transcriptional, metabolic and photo-physiological responses to light of different spectral quality in the marine diatom Phaeodactylum tricornutum through time-series studies of cultures exposed to equal doses of photosynthetically usable radiation of blue, green and red light. T...
ORGANISM(S): Phaeodactylum tricornutum 
2014-12-22 | E-GEOD-55959 | biostudies-arrayexpress
ProteomicsLC-MS/MS of the reaction center-light harvesting 1 complex from Gemmatimonas phototrophica
Gemmatimonas phototrophica is the only phototrophic member of the recently discovered bacterial phylum Gemmatimonadetes. It was isolated from a freshwater lake in the Gobi desert and first described in 2014. So far, Gemmatimonas phototrophica is the only bacterium to have received a complete set of ...
ORGANISM(S): Gemmatimonas phototrophica 
2022-04-04 | PXD024609 | Pride
Lc-ms/ms Gemmatimonas phototrophica Reaction center light-harvesting-1 complex Photosynthesis Gemmatimonadetes 
ProteomicsStructural characterization of the reaction center-light harvesting 1-PufXY complex from Rhodobacter sphaeroides
Photosynthesis in purple bacteria, represented by Rhodobacter sphaeroides as a long-established model organism, utilizes a protein-cofactor complex to capture solar energy. This complex is embedded in specialized spherical membrane structures and comprises a central reaction center (RC) encircled by...
ORGANISM(S): Rhodobacter sphaeroides 2.4.1 
2022-02-15 | PXD028048 | Pride
Lc-ms/ms Rhodobacter sphaeroides Purple bacteria Photosynthesis Reaction center light-harvesting-1-pufxy complex 
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
ProteomicsProteomic analysis of the reaction center-light harvesting 1 complex from Rhodobacter sphaeroides, identifying a previously uncharacterized protein component encoded by a newly-identified ORF.
Photosynthesis in purple bacteria, represented by Rhodobacter sphaeroides as a long-established model organism, utilizes a protein-cofactor complex to capture solar energy. This complex is embedded in specialized spherical membrane structures and comprises a central reaction center (RC) encircled by...
ORGANISM(S): Rhodobacter sphaeroides 2.4.1 
2022-02-16 | PXD028553 | Pride
Lc-ms/ms Rhodobacter sphaeroides Purple bacteria Photosynthesis Dimerization Reaction center light-harvesting-1- complex 
TranscriptomicsTranscription profiling of Arabidopsis exposed to low red:far red light treatment at 16 and 22 degrees
The purpose of this experiment was to identify genes responding differently to a 24 h low red to far red ratio (R:FR) treatment in plants grown at 16 and 22 degrees Experiment Overall Design: Microarrays were used as a gene discovery tool to identify genes showing differential regulation by low R:FR...
ORGANISM(S): Arabidopsis thaliana 
2008-06-16 | E-GEOD-8745 | biostudies-arrayexpress
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