Arabidopsis thaliana
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA306773 | ENA |
REPOSITORIES: ENA
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Project description:Nitrogen and light are two major regulators of plant metabolism and development. While genes involved in the control of each of these signals have begun to be identified, regulators that integrate gene responses to nitrogen and light signals have yet to be determined. Here, we evaluate the role of bZIP1, a transcription factor involved in light and nitrogen sensing, by exposing wild-type (WT) and bZIP1 T-DNA null mutant plants to a combinatorial space of N and L treatment conditions. We use ANOVA analysis combined with clustering and Boolean modeling, to evaluate the role of bZIP1 in mediating L and N signaling genome-wide.
2010-08-25 | GSE21601 | GEO
Project description:Testing Arabidopsis for the presence of arbuscular mycorrhizal signalling pathways
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Project description:Nitrogen and light are two major regulators of plant metabolism and development. While genes involved in the control of each of these signals have begun to be identified, regulators that integrate gene responses to nitrogen and light signals have yet to be determined. Here, we evaluate the role of bZIP1, a transcription factor involved in light and nitrogen sensing, by exposing wild-type (WT) and bZIP1 T-DNA null mutant plants to a combinatorial space of N and L treatment conditions. We use ANOVA analysis combined with clustering and Boolean modeling, to evaluate the role of bZIP1 in mediating L and N signaling genome-wide. Arabidopsis thaliana were growth on basal MS salts (custom-made; GIBCO) with 0.5 mM KNO3, 3 mM sucrose and 0.8% BactoAgar at pH 5.7. After 14 days under long-day (16 h light: 8 h dark) conditions with light intensity of 50 μE.m-2.s-1 and at 22°C, plants were transferred to new plates containing 20 mM KNO3 and 20 mM NH4NO3 (referred here as 1xN: concentrations in MS media) in the absence or presence of light for 2 h at the start of their light cycle.
2010-08-25 | E-GEOD-21601 | biostudies-arrayexpress
Project description:AtbZIP16 integrates light and hormone signaling pathways to regulate Arabidopsis early seedling development
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Project description:Systemic signalling of irradiance and CO2 concentration in Arabidopsis (Treatment 2: Elevated CO2 and Ambient Light)
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Project description:Arabidopsis thaliana ecotypes Columbia (Col-0) (wild type: WT) was used in this study. After sterilization, the seeds were placed on Murashige and Skoog medium supplemented with 2% (w/v) sucrose for 10 days and then the seedling were transferred to soil under 16 hours light (22°C) / 8 hours dark (18°C) period in growth chamber at a light intensity of 120?150 µmol m-2 s-1. 20-day-old Arabidopsis leaves without bolting were immediately frozen in liquid nitrogen for RNA and protein and metabolites extraction. Leaves were harvested at three different time points: t = 0 hr (end of night), t = 1 hr (one hour after light turn on) and t = 8 hr (eight hours after light turn on), respectively.
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Project description:nitrogen starvation-miRNA and Nitrogen starvation and resupply
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