PXD047760 is an
original dataset announced via ProteomeXchange.
Dataset Summary
Title | Pleiotropic effects of PhaR regulator in Bradyrhizobium diazoefficiens microaerobic metabolism |
Description | Bradyrhizobium diazoefficiens can live inside soybean root nodules and in free-living conditions. In both states, when oxygen levels decrease, cells adjust their protein pools by gene transcription modulation. PhaR encodes a transcription factor annotated as PHA (polyhydroxyalkanoate) accumulation regulator. We found that PhaR not only controls the PHA cycle but also acts as a global regulator of excess carbon allocation by controlling the expression of fixK2 and nifA genes, both encoding key transcription factors for microoxic and symbiotic metabolism in B. diazoefficiens. The function of PhaR was expanded by a multi-pronged approach that includes analysis of the effects of phaR mutation at transcriptional and protein levels of putative PhaR targets and direct control mediated by PhaR determined by EMSA assays. We also were able to identify PhaR, phasins and other proteins associated with PHA granules which confirmed a global function of PhaR in microoxia. |
HostingRepository | PRIDE |
AnnounceDate | 2024-10-22 |
AnnouncementXML | Submission_2024-10-22_06:41:05.750.xml |
DigitalObjectIdentifier | |
ReviewLevel | Peer-reviewed dataset |
DatasetOrigin | Original dataset |
RepositorySupport | Unsupported dataset by repository |
PrimarySubmitter | Juan Ignacio Quelas |
SpeciesList | scientific name: Bacteria; NCBI TaxID: NCBITaxon:2; scientific name: Bradyrhizobium japonicum USDA 110; NCBI TaxID: 224911; |
ModificationList | No PTMs are included in the dataset |
Instrument | Xcalibur |
Dataset History
Revision | Datetime | Status | ChangeLog Entry |
0 | 2023-12-12 09:06:24 | ID requested | |
1 | 2024-05-22 02:09:04 | announced | |
⏵ 2 | 2024-10-22 06:41:13 | announced | 2024-10-22: Updated project metadata. |
Publication List
Quelas JI, Cabrera JJ, D, í, az-Pe, ñ, a R, S, á, nchez-Schneider L, Jim, é, nez-Leiva A, Tortosa G, Delgado MJ, Pettinari MJ, Lodeiro AR, Del Val C, Mesa S, Microaerobic Metabolism. Int J Mol Sci, 25(4):(2024) [pubmed] |
10.3390/ijms25042157; |
Keyword List
submitter keyword: polyhydroxybutyrate, proteomics,microoxia, protein-DNA interaction, Rhizobia, transcriptomics |
Contact List
Juan Ignacio Quelas |
contact affiliation | Instituto de Biotecnología y Biología Molecular (IBBM-CONICET). La Plata, Buenos Aires, Argentina. |
contact email | juan.i.quelas@gmail.com |
lab head | |
Juan Ignacio Quelas |
contact affiliation | Instituto de Biotecnología y Biología Molecular |
contact email | jquelas@gmail.com |
dataset submitter | |
Full Dataset Link List
Dataset FTP location
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PRIDE project URI |
Repository Record List
[ + ]
[ - ]
- PRIDE
- PXD047760
- Label: PRIDE project
- Name: Pleiotropic effects of PhaR regulator in Bradyrhizobium diazoefficiens microaerobic metabolism