Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR33906339.fastq.gz | Fastqsanger.gz |
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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
Project description:The circular bioeconomy has become a crucial strategy for sustainable development, especially by upcycling organic-rich by-products from various industrial processes. Purple non-sulphur bacteria (PNSB) have emerged as excellent candidates in this field, demonstrating exceptional metabolic versatility. While the growth of PNSB on sugar-rich streams has been extensively explored, the sugar assimilation metabolism remains poorly understood. Here, we explore the metabolic mechanisms of sucrose utilisation in two phototrophic purple non-sulphur bacteria (PNSB), Rhodospirillum rubrum and Rhodobacter capsulatus. Our findings demonstrate distinct carbohydrate hydrolysis and assimilation capacities, as well as the use of different redox strategies for each species. Moreover, Rhodospirillum rubrum could only grow on sucrose when co-cultivated with Rhodobacter capsulatus. This trophic link between Rhodospirillum rubrum and Rhodobacter capsulatus in sucrose containing co-culture was characterised and resulted in significantly enhanced productivity compared to pure cultures. Finally, we demonstrate that the synergy observed between Rhodospirillum rubrum and Rhodobacter capsulatus can be successfully scaled up in a photobioreactor system. Our study highlights how fundamental knowledge of the metabolism, trophic link and general microbial ecology concept might be useful for the development of biobased resource recovery strategies.
2025-01-24 | MSV000096927 | MassIVE
Project description:The nacre color of shells has an effect on the pearl color in Hyriopsis cumingii, and is an important indicator for its value. However, little exosome and micro (mi)RNA information are available on nacre color formation in mussels. In this study, exosomes of mantles were extracted from white and purple mussels. High-throughput Illumina sequencing was performed on the white and purple mussel mantle exosomes.Moreover, miR-223 negatively regulated hcApo, which plays important roles in the absorption and transport of β-carotene in H. cumingii. These results improve our understanding of the molecular mechanisms of nacre color formation in H. cumingii.
2020-03-29 | GSE128650 | GEO
Project description:bacteria in purple rock weathering products Raw sequence reads
| PRJNA1095673 | ENA
Project description:Comparison of wild-type (2.4.1) and CT01 (contains an omega Spr/Smr insertion in RSP4157) gene expression; growth condition is (3% O2 + 96%N2 + 1%CO2) semi-aerobic growth in the dark. Manuscript in preparation. The below normalized data was generated using GeneSpring software with the following settings: A data: Data Transformation: set all values less than 0.01 to 0.01 Per Chip: normalize to 50th percentile, and then Per Gene: normalize to median B data: Data Transformation: set all values less than 0.01 to 0.01 Per Chip: normalize to 50th percentile Values from independent replicates were averaged Keywords = Rhodobacter sphaeroides Keywords = photosynthesis Keywords = semi-aerobic Keywords = purple bacteria Keywords: other
2005-04-01 | GSE2146 | GEO