ArticlePlant science : an international journal of experimental plant biology2015
HY5 regulates nitrite reductase 1 (NIR1) and ammonium transporter1;2 (AMT1;2) in Arabidopsis seedlings.
Article in Plant science : an international journal of experimental plant biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 84 citations in OpenAlex.
- Larix gmelinii UGPase enhances vegetative growth in transgenic poplar through an HYH-mediated positive feedback loop.Plant cell reports · 2026Article
- The Wheat Nitro-Proteome: Protein Nitration Profiles During Drought and Rehydration.Plants (Basel, Switzerland) · 2026Article
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- The Nitro-Oxidative Response Is Induced in the Leaves of Barley Plants Exposed to Barium.International journal of molecular sciences · 2025Article
- A core Plasmopara viticola effector attenuates the DNA-binding activity of bZIP transcription factor to compromise plant immunity.The Plant journal : for cell and molecular biology · 2025Article
- Changes in the nitrate assimilation pathway serve as a component of maize stress response to competition cues.Frontiers in plant science · 2025Article
- Nitrate nitrogen uptake and metabolism inFrontiers in plant science · 2025Article
- MicroRNAs as potent regulators in nitrogen and phosphorus signaling transduction and their applications.Stress biology · 2024Review
- Nutrient levels control root growth responses to high ambient temperature in plants.Nature communications · 2024Article
- Transcriptome dynamics inFrontiers in plant science · 2024Article
- Rice (Plants (Basel, Switzerland) · 2023Article
- Divergence of functions and expression patterns of soybean bZIP transcription factors.Frontiers in plant science · 2023Review
- Scion-to-Rootstock Mobile Transcription FactorInternational journal of molecular sciences · 2022Article
- Molecular basis of nitrogen starvation-induced leaf senescence.Frontiers in plant science · 2022Review
- Article
- Nitrogen Assimilation Related Genes inPlants (Basel, Switzerland) · 2021Article
- Light-Mediated Regulation of Leaf Senescence.International journal of molecular sciences · 2021Review
- HY5: A Pivotal Regulator of Light-Dependent Development in Higher Plants.Frontiers in plant science · 2021Review
- Response of Lignin Metabolism to Light Quality in Wheat Population.Frontiers in plant science · 2021Article
- Transcription strategies related to photosynthesis and nitrogen metabolism of wheat in response to nitrogen deficiency.BMC plant biology · 2020Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
HY5 (Long Hypocotyles 5) is a key transcription factor in Arabidopsis thaliana that has a pivotal role in seedling development. Soil nitrogen is an essential macronutrient, and its uptake, assimilation and metabolism are influenced by nutrient availability and by lights. To understand the role of HY5 in nitrogen assimilation pathways, we examined the phenotype as well as the expression of selected nitrogen assimilation-related genes in hy5 mutant grown under various nitrogen limiting and nitrogen sufficient conditions, or different light conditions. We report that HY5 positively regulates nitrite reductase gene NIR1 and negatively regulates the ammonium transporter gene AMT1;2 under all nitrogen and light conditions tested, while it affects several other genes in a nitrogen supply-dependent manner. HY5 is not required for light induction of NIR1, AMT1;2 and NIA genes, but it is necessary for high level expression of NIR1 and NIA under optimal nutrient and light conditions. In addition, nitrogen deficiency exacerbates the abnormal root system of hy5. Together, our results suggest that HY5 exhibits the growth-promoting activity only when sufficient nutrients, including lights, are provided, and that HY5 has a complex involvement in nitrogen acquisition and metabolism in Arabidopsis seedlings.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.