ArticlePlant signaling & behavior2019
Nitrate reductase mediates nitric oxide-dependent gravitropic response in Arabidopsis thaliana roots.
Article in Plant signaling & behavior, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 11 citations in OpenAlex.
- Discrete and cell-specific hypoxic responses in Arabidopsis roots resolved by single-nuclei transcriptomics.The New phytologist · 2026Article
- Identification of nitric oxide mediated defense signaling and its microRNA mediated regulation duringPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Fine-tuned nitric oxide and hormone interface in plant root development and regeneration.Journal of experimental botany · 2023Review
- Exogenous Putrescine Modulates Nitrate Reductase-Dependent NO Production in Cucumber Seedlings Subjected to Salt Stress.Metabolites · 2023Article
- Phosphorus Regulates the Level of Signaling Molecules in Rice to Reduce Cadmium Toxicity.Current issues in molecular biology · 2022Article
- Nitrogen Assimilation Related Genes inPlants (Basel, Switzerland) · 2021Article
- The AtCRK5 Protein Kinase Is Required to Maintain the ROS NO Balance Affecting the PIN2-Mediated Root Gravitropic Response in Arabidopsis.International journal of molecular sciences · 2021Article
- Growth-Stimulatory Effect of Quorum Sensing Signal MoleculeFrontiers in microbiology · 2020Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant roots respond positively to gravity force and orientate it growth providing anchorage to the soil and gathering water and nutrient sources. The gravitropic response is a complex process wherein nitric oxide (NO) participates as a key signaling molecule. Here, we used genetically impaired genotypes to demonstrate the role of the nitrate reductase (NR) enzyme as a possible source of endogenous NO during gravitropic response in Arabidopsis thaliana (A. thaliana) roots. A. thaliana has two NR genes, NIA1 and NIA2. The single mutants nia1 and nia2, and the double mutant nia1/nia2 showed perturbed gravitropism. Complementation with the exogenous NO donor, S-nitroso-L-cysteine, partially rescued the wild-type phenotype in nia2 and nia1/nia2 but not in the nia1 mutant. Our findings showed that each NR gene differentially contributes to reaching the optimum level of NO during the gravitropic response, suggesting that NIA1 and NIA2 isoforms are not equivalent and have potential regulatory feedback to each other during the gravitropic response in A. thaliana roots.
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