ArticleJournal of experimental botany2014
Exploring ammonium tolerance in a large panel of Arabidopsis thaliana natural accessions.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed.
- Influence ofMicroorganisms · 2025Article
- Response of licorice to different sources of nitrogen in soil and soilless culture systems.Scientific reports · 2025Article
- Natural variation in the adjustment of primary metabolism determines ammonium tolerance in the model grass Brachypodium distachyon.Journal of experimental botany · 2024Article
- Nitrate assimilation pathway is impacted in young tobacco plants overexpressing a constitutively active nitrate reductase or displaying a defective CLCNt2.BMC plant biology · 2024Article
- EvaluatingFrontiers in plant science · 2024Article
- Rewiring of primary metabolism for ammonium recycling under short-term low COFrontiers in plant science · 2024Article
- Evolutionary implications of C2 photosynthesis: how complex biochemical trade-offs may limit C4 evolution.Journal of experimental botany · 2023Article
- Integrated comparative transcriptome and physiological analysis reveals the metabolic responses underlying genotype variations in NHFrontiers in plant science · 2023Article
- Coregulation ofFrontiers in plant science · 2023Article
- A new in vitro monitoring system reveals a specific influence of Arabidopsis nitrogen nutrition on its susceptibility to Alternaria brassicicola at the seedling stage.Plant methods · 2022Article
- Impaired cell growth under ammonium stress explained by modeling the energy cost of vacuole expansion in tomato leaves.The Plant journal : for cell and molecular biology · 2022Article
- Silicon Supplementation Alleviates Adverse Effects of Ammonium on Ssamchoo Grown in Home Cultivation System.Plants (Basel, Switzerland) · 2022Article
- Root GS and NADH-GDH Play Important Roles in Enhancing the Ammonium Tolerance in Three Bedding Plants.International journal of molecular sciences · 2022Article
- Physiological Characteristics of Cotton Subtending Leaf Are Associated With Yield in Contrasting Nitrogen-Efficient Cotton Genotypes.Frontiers in plant science · 2022Article
- The function of glutaredoxin GRXS15 is required for lipoyl-dependent dehydrogenases in mitochondria.Plant physiology · 2021Article
- Overexpression of thioredoxin m in chloroplasts alters carbon and nitrogen partitioning in tobacco.Journal of experimental botany · 2021Article
- Specific leaf area is modulated by nitrogen via changes in primary metabolism and parenchymal thickness in pepper.Planta · 2021Article
- Deep placement of nitrogen fertilizer improves yield, nitrogen use efficiency and economic returns of transplanted fine rice.PloS one · 2021Article
- Appropriate NHFrontiers in plant science · 2021Article
- Interactions of Silicon With Essential and Beneficial Elements in Plants.Frontiers in plant science · 2021Review
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4 authors.
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Abstract
Plants are dependent on exogenous nitrogen (N) supply. Ammonium (NH₄(+)), together with nitrate (NO₃(-)), is one of the main nitrogenous compounds available in the soil. Paradoxically, although NH4 (+) assimilation requires less energy than that of NO₃(-), many plants display toxicity symptoms when grown with NH₄(+) as the sole N source. However, in addition to species-specific ammonium toxicity, intraspecific variability has also been shown. Thus, the aim of this work was to study the intraspecific ammonium tolerance in a large panel of Arabidopsis thaliana natural accessions. Plants were grown with either 1mM NO₃(-) or NH₄(+) as the N source, and several parameters related to ammonium tolerance and assimilation were determined. Overall, high variability was observed in A. thaliana shoot growth under both forms of N nutrition. From the parameters determined, tissue ammonium content was the one with the highest impact on shoot biomass, and interestingly this was also the case when N was supplied as NO₃(-). Enzymes of nitrogen assimilation did not have an impact on A. thaliana biomass variation, but the N source affected their activity. Glutamate dehydrogenase (GDH) aminating activity was, in general, higher in NH4 (+)-fed plants. In contrast, GDH deaminating activity was higher in NO₃(-)-fed plants, suggesting a differential role for this enzyme as a function of the N form supplied. Overall, NH4 (+) accumulation seems to be an important player in Arabidopsis natural variability in ammonium tolerance rather than the cell NH₄(+) assimilation capacity.
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