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ABSTRACT:
PROVIDER: PRJNA1195333 | ENA |
REPOSITORIES: ENA
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Project description:Microbial electricity driven anaerobic phenol degradation
| PRJEB56377 | ENA
Project description:The ability of Cupriavidus oxalaticus T2 to simultaneously remove nitrogen and phenol has been confirmed. To explore the metabolic characteristics and adaptive mechanism of Cupriavidus oxalaticus T2 during the simultaneous removal of phenol and nitrogen process, the differences in proteomic profile after supplement with phenol and ammonia for 6 h (lag phase) and 24 h (log phase) were evaluated. The results revealed that a new potential phenol para-degradation pathway appeared in T2. Phenol induces changes in nitrogen metabolism resulting in increased denitrification and decreased synthesis of glutamate from ammonia at 6 h. In addition, phenol exposure enhanced the expression of cytochrome oxidases with high oxygen affinity and increased ATP synthesis. The increase of chemotaxis and flagellar assembly was conducive to the uptake and utilization of phenol. The synthesis of lipoic acid and biotin was promoted to resistance phenol toxicity. Moreover, phenol triggered cellular stress response thereby leading to th
2021-07-20 | PXD027449 |
Project description:Coordinated metabolism of carbon and nitrogen is essential for optimal plant growth and development. Nitrate is an important molecular signal for plant adaptation to changing environmental conditions, but how nitrate regulates plant growth under carbon deficiency conditions remains unclear. Here, we show that the evolutionarily conserved energy sensor SnRK1 negatively regulates the nitrate signaling pathway. Nitrate promoted plant growth and downstream gene expression, but such effects were significantly repressed when plants were grown under carbon deficiency conditions. Mutation of KIN10, the α-catalytic subunit of SnRK1, partially suppressed the inhibitory effects of carbon deficiency on nitrate-mediated plant growth. KIN10 phosphorylated NLP7, the master regulator of nitrate signaling pathway, to promote its cytoplasmic localization and degradation. Furthermore, nitrate depletion induced KIN10 accumulation, whereas nitrate treatment promoted KIN10 degradation. Such KIN10-mediated NLP7 regulation allows carbon and nitrate availability to control the optimal nitrate signaling and ensures the coordination of carbon and nitrogen metabolism in plants.
2022-07-23 | GSE206841 | GEO
Project description:The degradation of aromatic compounds comprises an important step in the removal of pollutants and re-utilization of plastics and other non-biological polymers. Here we set out to study Pseudomonas sp. strain phDV1, a gram-negative bacterium that was selected for its ability to degrade aromatic compounds. In order to understand how the aromatic compounds and their degradation products are reintroduced in the metabolism of the bacteria and the systematic/metabolic response of the bacterium to the new carbon source, the proteome of this strain was analysed in the presence of succinate, phenol and o-, m-, p-cresol as sole carbon source. We then applied label-free quantitative proteomics to monitor overall proteome remodeling during metabolic adaptation to different carbon sources. As a reference proteome, we grew the bacteria in succinate and then compared the respective proteomes of bacteria grown on phenol and different cresols. In total, we identified 2295 proteins; 1908 proteins were used for quantification between different growth conditions. We found that 70, 100, 150 and 155 proteins were significantly differentially expressed in cells were grown in phenol, o-, m- and p-cresol-containing medium, respectively. The carbon source affected the synthesis of enzymes related to aromatic compound degradation, and in particular, the enzyme involved in the meta-pathway of monocyclic aromatic compounds degradation. In addition, proteins involved in the production of polyhydroxyalkanoate (PHA), an attractive biomaterial, showed higher expression levels in the presence of monocyclic aromatic compounds.Our results provide for the first time comprehensive information on the proteome response of this strain to monocyclic aromatic compounds.
2020-10-22 | PXD021237 | Pride
Project description:PAH degradation under dissimilatory nitrate reducing conditions
| PRJNA374525 | ENA
Project description:This SuperSeries is composed of the following subset Series: GSE26421: Expression analysis of benzoate degradation in the hyperthermophilic archaeon Ferroglobus placidus GSE26423: Expression analysis of phenol degradation in the hyperthermophilic archaeon Ferroglobus placidus Refer to individual Series
2011-01-05 | E-GEOD-26424 | biostudies-arrayexpress