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MetabolomicsLegume rhizodeposition promotes nitrogen fixation by soil microbiota under crop diversification

Biological nitrogen fixation by free-living bacteria and rhizobial symbiosis with legumes plays a key role in sustainable crop production. Here, we study how different crop combinations influence the interaction between peanut plants and their rhizosphere microbiota via metabolite deposition and ...

2024-03-19 | MTBLS6537 | MetaboLights
MetabolomicsArsenic-induced enhancement of diazotrophic recruitment and nitrogen fixation in Pteris vittata rhizosphere
Heavy metal contamination poses an escalating global challenge to soil ecosystems. Hyperaccumulators play a crucial role in environmental remediation and resource recovery. The enrichment of diazotrophs and resulting nitrogen accumulation promoted hyperaccumulator growth and facilitated phytoremedia...
2024-11-01 | MTBLS11419 | MetaboLights
MetabolomicsCoupled nitrogen fixation and substrate stabilization drive ecological strategy shifts during microbial succession

Background:

Primary succession is predicted to proceed through shifts from stress-tolerant to competitive to cooperative ecological strategies as resource availability increases, yet molecular evidence for these transitions in microbial systems remains limited. Here, we used an integrated m...

2026-03-12 | MTBLS14041 | MetaboLights
TranscriptomicsRhizobium etli CFN42 wild type transcriptional profiling was compared between free living and symbiosis conditions
Rhizobium etli is a bacteria that fix nitrogen in symbiotic activity with Phaseolus vulgaris, the common bean plant. In order to accomplish this nitrogen reduction a especial environment is induced in nodules such that gene expression of bacteroid suffer a significant change with respect to its wild...
ORGANISM(S): Rhizobium etli CFN 42 
2014-02-03 | E-GEOD-21638 | biostudies-arrayexpress
ProteomicsProtein expression of Rhodopseudomonas palustris CGA009 during anaerobic nitrogen fixation or non nitrogen fixation
Rhodopseudomonas palustris CGA009 grown anaerobic in photosynthetic medium (PM) or Nitrogen-fixing medium (NFM)
ORGANISM(S): Rhodopseudomonas Palustris Cga009 
2023-06-01 | PXD042610 |
TranscriptomicsTranscription profiling of G sulfurreducens GGS nitrogen fixation
G. sulfurreducens (ATCC #51573) was obtained from the laboratory culture collection of Dr. Derek Lovley. Cells were grown under strict anaerobic conditions at 30 °C in chemostats, as previously described (for more information see Esteve-Núñez, A., M. M. Rothermich, M. Sharma, and D. R. Lovley. 2004....
ORGANISM(S): Geobacter sulfurreducens 
2005-01-01 | E-TIGR-82 | biostudies-arrayexpress
TranscriptomicsMicroarray was used to study the gene expression of P. stutzeri A1501 under different growth conditions
Nitrogen fixation is a highly energy-demanding process and highly regulated at multiple levels. The two major signals that regulate nitrogen fixation in most diazotrophs are oxygen and ammonia. In order to study the complex regulated mechanism and to highlight the complete nitrogen fixing system in ...
ORGANISM(S): Pseudomonas stutzeri A1501 
2010-06-11 | E-GEOD-6572 | biostudies-arrayexpress
ProteomicsProteomic analysis dissects the impact of nodulation and biological nitrogen fixation on Vicia faba root nodule physiology
Symbiotic nitroegn fixation in functional (Fix+) and non-functional (Fix-) nodules of Vicia faba infected with Rhizobium leguminosarum was investigated using label-free shotgun tandem MS. Proteins involved in symbiotic nitrogen fixation and maintenance of the symbiosis were identified.
ORGANISM(S): Rhizobium leguminosarum bv. viciae Vc2 Vicia faba 
2018-05-30 | PXD008548 | Pride
Symbiotic nitrogen fixation Root Vicia faba Rhizobium leguminosarum Nodule 
ProteomicsMechanistic insights bidirectional extracellular electron transfer driving synchronous nitrogen fixation in Klebsiella variicola
Microorganisms can function as anode catalysts to achieve biological nitrogen fixation while simultaneously generating bioelectricity. To date, only a limited number of microorganisms are capable of performing both outward and inward extracellular electron transfer (EET) concurrently. However, the v...
ORGANISM(S): Klebsiella Variicola Uci 18 
2025-12-01 | PXD071420 |
TranscriptomicsTranscriptome comparison of wild type Azoarcus sp. strain BH72 grown under nitrogen fixation (experiment) with cells grown with combined nitrogen (ammonia) as nitrogen source
Model endophyte Azoarcus sp. BH72 is known to contribute fixed nitrogen to its host Kallar grass by nitrogen fixation and also expresses nitrogenase genes endophytically in rice seedlings in gnotobiotic culture. Availability of fixed nitrogen is one of the important signals regulating the transcript...
ORGANISM(S): Azoarcus sp. 
2013-08-01 | E-GEOD-49394 | biostudies-arrayexpress
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