ArticleFrontiers in plant science2016
Nitrogen Source and External Medium pH Interaction Differentially Affects Root and Shoot Metabolism in Arabidopsis.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 71 citations in OpenAlex.
- Phenotype Assessment and Putative Mechanisms of Ammonium Toxicity to Plants.International journal of molecular sciences · 2025Review
- Natural variation in the adjustment of primary metabolism determines ammonium tolerance in the model grass Brachypodium distachyon.Journal of experimental botany · 2024Article
- The Role of Glutamate Metabolism and the GABA Shunt in Bypassing the Tricarboxylic Acid Cycle in the Light.International journal of molecular sciences · 2024Article
- Biochemical and Epigenetic Regulation of Glutamate Metabolism in Maize (Plants (Basel, Switzerland) · 2024Article
- A multi-omics insight on the interplay between iron deficiency and N forms in tomato.Frontiers in plant science · 2024Article
- Integrative transcriptomics and proteomics profiling ofFrontiers in plant science · 2023Article
- The importance of the urea cycle and its relationships to polyamine metabolism during ammonium stress in Medicago truncatula.Journal of experimental botany · 2022Article
- Integrated physiological and weighted gene co-expression network analysis reveals the hub genes engaged in nitrate-regulated alleviation of ammonium toxicity at the seedling stage in wheat (Frontiers in plant science · 2022Article
- Indirect assessment of biomass accumulation in a wastewater-based Chlorella vulgaris photobioreactor by pH variation.Scientific reports · 2021Article
- Appropriate NHFrontiers in plant science · 2021Article
- Nitrate and Ammonium Affect the Overall Maize Response to Nitrogen Availability by Triggering Specific and Common Transcriptional Signatures in Roots.International journal of molecular sciences · 2020Article
- A Multi-Species Analysis Defines Anaplerotic Enzymes and Amides as Metabolic Markers for Ammonium Nutrition.Frontiers in plant science · 2020Article
- The transcriptome variations of Panaxnotoginseng roots treated with different forms of nitrogen fertilizers.BMC genomics · 2019Article
- Isotopic labelling reveals the efficient adaptation of wheat root TCA cycle flux modes to match carbon demand under ammonium nutrition.Scientific reports · 2019Article
- Providing carbon skeletons to sustain amide synthesis in roots underlines the suitability ofAoB PLANTS · 2019Article
- Complex regulatory network allows Myriophyllum aquaticum to thrive under high-concentration ammonia toxicity.Scientific reports · 2019Article
- New Insights onInternational journal of molecular sciences · 2019Article
- Differential Nitrogen Nutrition Modifies Polyamines and the Amino-Acid Profile of Sweet Pepper Under Salinity Stress.Frontiers in plant science · 2019Article
- Can Ammonium Stress Be Positive for Plant Performance?Frontiers in plant science · 2019Article
- Differential Regulation of Stomatal Conductance as a Strategy to Cope With Ammonium Fertilizer Under Ambient Versus Elevated COFrontiers in plant science · 2019Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ammonium nutrition often represents an important growth-limiting stress in plants. Some of the symptoms that plants present under ammonium nutrition have been associated with pH deregulation, in fact external medium pH control is known to improve plants ammonium tolerance. However, the way plant cell metabolism adjusts to these changes is not completely understood. Thus, in this work we focused on how Arabidopsis thaliana shoot and root respond to different nutritional regimes by varying the nitrogen source ([Formula: see text] and [Formula: see text]), concentration (2 and 10 mM) and pH of the external medium (5.7 and 6.7) to gain a deeper understanding of cell metabolic adaptation upon altering these environmental factors. The results obtained evidence changes in the response of ammonium assimilation machinery and of the anaplerotic enzymes associated to Tricarboxylic Acids (TCA) cycle in function of the plant organ, the nitrogen source and the degree of ammonium stress. A greater stress severity at pH 5.7 was related to [Formula: see text] accumulation; this could not be circumvented in spite of the stimulation of glutamine synthetase, glutamate dehydrogenase, and TCA cycle anaplerotic enzymes. Moreover, this study suggests specific functions for different gln and gdh isoforms based on the nutritional regime. Overall, [Formula: see text] accumulation triggering ammonium stress appears to bear no relation to nitrogen assimilation impairment.
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