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MetabolomicsThe response of Chlamydomonas reinhardtii to nitrogen deprivation: a systems biology analysis

Drastic alteration in macronutrients causes large changes in gene expression in the photosynthetic unicellular alga Chlamydomonas reinhardtii. Preliminary data suggested that cells follow a biphasic response to this change hinging on the initiation of lipid accumulation, and we hypothesized that ...

2015-06-29 | MTBLS208 | MetaboLights
MetabolomicsNutrient environment drives strain-specific remodelling of Escherichia coli lipidomes
Background/Objectives: Escherichia coli causes more than 2.8 million infections annually and is widely used as a model organism. Despite its importance, strain-level and handling differences in E. coli lipidomes remain poorly defined. Lipid composition can reveal membrane organization, metabolic sta...
2026-09-23 | MTBLS14565 | MetaboLights
MetabolomicsIntegrated Physiological and Multi-Omics Analyses Reveal Nitrogen Fertilization Promotes Salix matsudana Growth and Soil Remediation

Soil contamination with heavy metals, particularly lead (Pb) and cadmium (Cd), has become a growing environmental concern due to rapid industrialization. Salix matsudana, a woody energy plant with notable tolerance to heavy metals, exhibits considerable potential for use in phytoremediation...

2025-07-19 | MTBLS12749 | MetaboLights
MetabolomicsTo investigate the effects of long-term continuous soil drought on the rhizosphere metabolic environment
To examine whether drought-conditioned microbiome restructuring coincided with changes in rhizosphere metabolites, we profiled rhizosphere metabolomes across the three conditioning generations.
2026-07-02 | MTBLS14920 | MetaboLights
MetabolomicsPhysiological, Transcriptomic, and Metabolomic Insights into Ammonia-Nitrogen Stress in the Hepatopancreas of Litopenaeus vannamei Acclimated to Low Salinity
High ammonia nitrogen stress markedly decreases the survival rate of Litopenaeus vannamei under low-salinity conditions. Nevertheless, most available studies have primarily focused on the ammonia nitrogen response of small-sized shrimp under single-stressor exposure or normal seawater salinity. The ...
2026-08-13 | MTBLS14736 | MetaboLights
TranscriptomicsHNI9/IWS1 mutant transcriptome in nitrogen-contrasted environments
Effect of the high nitrogen insensitive 9 (hni9) mutation in contrasted nitrogen environments. hni9 vs. WT, and Low Nitrogen vs. High Nitrogen environments. 2 biological replicates per genotype/environment.
ORGANISM(S): Arabidopsis thaliana 
2011-03-01 | E-GEOD-24738 | biostudies-arrayexpress
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
TranscriptomicsGene expression biomarkers provide sensitive indicators of in planta nitrogen status in Maize
We have characterized the transcriptional response in Maize under limiting and sufficient nitrogen conditions, and have identified a set of genes whose expression profiles can quantitatively assess the response of plants to those conditions. Four lines, three timepoints, multiple treatments, and thr...
ORGANISM(S): Zea mays 
2011-10-21 | E-GEOD-32361 | biostudies-arrayexpress
TranscriptomicsTranscriptional Regulation of Anabaena 7120 response to Nitrogen Deprivation
Here, we report the transcriptome of Anabaena sp. strain 7120, a cyanobacterium that forms specialized nitrogen-fixing cells called heterocysts. Our data suggests that cyanobacteria frequently have more complex transcripts than thought, with large 5' UTRs, numerous antisense transcripts, and multipl...
ORGANISM(S): Nostoc sp. PCC 7120 
2011-06-22 | E-GEOD-26633 | biostudies-arrayexpress
TranscriptomicsFunctional genomic analysis of a commercial wine strain of Saccharomyces cerevisiae under differing nitrogen conditions.
DNA microarray analysis was used to profile gene expression in a commercial isolate of Saccharomyces cerevisiae grown in a synthetic grape juice medium under conditions mimicking a natural environment for yeast: High-sugar and variable nitrogen conditions. The high nitrogen condition displayed eleva...
ORGANISM(S): Saccharomyces cerevisiae 
2006-05-23 | E-GEOD-4887 | biostudies-arrayexpress
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