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TranscriptomicsH. seropedicae grown on nitrate (OD 0.8)
H. seropedicae SmR1 was grown on nitrate 10 mM as the only nitrogen source and harvested at an OD600 of 0.8.
ORGANISM(S): Herbaspirillum seropedicae SmR1 
2016-07-01 | E-MTAB-2842 | biostudies-arrayexpress
TranscriptomicsExpressionprofiling of a glnR-mutant of Mycobacterium tuberculosis during culture on nitrate
Identification of glnR-dependent regulation of nitrate assimilation Keywords: genetic modification Mycobacterium tuberculosis H37Rv wild type and glnR mutant strain were incubated in minimal medium supplemented with 5 mM NO3 for 18 and 48 hours. RNA was extracted at indicated time points and microa...
ORGANISM(S): Mycobacterium tuberculosis H37Rv 
2010-06-20 | E-GEOD-13246 | biostudies-arrayexpress
TranscriptomicsNitrate Stress in Desulfovibrio vulgaris Hildenborough
Using data from microarray experiments, we investigated the effects of excess sodium nitrate on Desulfovibrio vulgaris. Keywords: stress response, time course Comparison of cells treated with 105 mM sodium nitrate to untreated cells at times of 0, 30, 60, 120, and 240 min.
ORGANISM(S): Desulfovibrio vulgaris str. Hildenborough 
2010-06-22 | E-GEOD-20079 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of Arabdiopsis wild type and G'4-3 seeds grown with different nitrate concentrations to investigate effects on seed dormancy
Freshly harvested Arabidopsis seeds (ecotype Col0 obtained under 10 mM nitrate nutrition, referred to as C10 seeds) are dormant and do not germinate when sown on an agarose-based medium. However, when C10 seeds are sown on 10mM nitrate or when Col0 mother plants are grown on 50 mM nitrate (referred...
ORGANISM(S): Arabidopsis thaliana 
2007-01-31 | E-MEXP-447 | biostudies-arrayexpress
TranscriptomicsTranscriptional characterization of maize roots in response to urea and nitrate
Although urea is the most used nitrogen fertilizer worldwide, little is known on the capacity of crop plants to use urea per se as a nitrogen source for development and growth. To date, the molecular and physiological bases of its transport have been investigated only in a limited number of species....
ORGANISM(S): Zea mays 
2015-03-02 | E-GEOD-53102 | biostudies-arrayexpress
TranscriptomicsMeasuring transcriptional differences between Caulobacter crescentus cultured in nitrate versus ammonium as the sole nitrogen source
This study is measuring the steady-state levels of mRNA in wild-type Caulobacter crescentus grown in M2 defined medium containing either ammonium or nitrate as the sole nitrogen source. Four independent cultures of Caulobacter crecentus were grown in each of two medium conditions: M2(nitrate)glucose...
ORGANISM(S): Caulobacter vibrioides 
2010-06-20 | E-GEOD-21203 | biostudies-arrayexpress
TranscriptomicsDiatom transcriptomics under nitrate limitation
Here, we examined the ramifications of between-species diversity by documenting the transcriptional response of three marine diatoms - Thalassiosira pseudonana, Fragilariopsis cylindrus, and Pseudo-nitzschia multiseries - to the onset of nitrate limitation of growth, a common limiting nutrient in th...
ORGANISM(S): Thalassiosira pseudonana 
2014-03-25 | E-GEOD-56132 | biostudies-arrayexpress
TranscriptomicsComparison of root transcriptomes in Arabidopsis thaliana plants supplied with different forms of inorganic nitrogen
Plants aquire nitrogen from the soil, most commonly in the form of either nitrate or ammonium. Unlike ammonium, nitrate must be reduced (with NADH and ferredoxin as electron donors) prior to assimilation. Thus, nitrate nutrition imposes a substantially greater energetic cost than ammonium nutrition....
ORGANISM(S): Arabidopsis thaliana 
2011-05-28 | E-GEOD-29589 | biostudies-arrayexpress
TranscriptomicsUnderstanding strategy of nitrate and urea assimilation in a Chinese strain of Aureococcus anophagefferens through RNA-seq analysis
Purpose: RNA-seq technology was used to profile the transcriptome of a Chinese strain of A. anophagefferens that was grown on urea, nitrate, and a mixture of urea and nitrate, and that was under N-replete, limited and recovery conditions to understand the molecular mechanisms that underlie nitrate a...
ORGANISM(S): Aureococcus anophagefferens 
2015-05-14 | E-GEOD-60576 | biostudies-arrayexpress
TranscriptomicsAnalysis of the nitrate-responsive transcriptome of the Arabidopsis root
Nitrate and other nitrogen metabolites can act as signals that regulate global gene expression in plants. Adaptive changes in plant morphology and physiology triggered by changes in nitrate availability are partly explained by these changes in gene expression. Despite several genome-wide efforts to ...
ORGANISM(S): Arabidopsis thaliana 
2013-07-01 | E-GEOD-44062 | biostudies-arrayexpress
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