ArticleJournal of experimental botany2020
Post-flowering biotic and abiotic stresses impact nitrogen use efficiency and seed filling in Arabidopsis thaliana.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Innovative screening for mutants affected in seed oil/protein allocation identifies TRANSPARENT TESTA7 as a regulator of oil accumulation.The Plant journal : for cell and molecular biology · 2025Article
- A tissue-specific rescue strategy reveals the local roles of autophagy in leaves and seeds for resource allocation.Plant physiology · 2024Article
- Dissecting Holistic Metabolic Acclimatization ofBiology · 2024Article
- Proton exchange by the vacuolar nitrate transporter CLCa is required for plant growth and nitrogen use efficiency.The Plant cell · 2023Article
- Co-expression network analysis reveals PbTGA4 and PbAPRR2 as core transcription factors of drought response in an important timber speciesFrontiers in plant science · 2023Article
- Article
- ACCELERATED CELL DEATH 6 Acts on Natural Leaf Senescence and Nitrogen Fluxes inFrontiers in plant science · 2020Article
Corrections and comments
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Authors and funding
7 authors.
Funding
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Abstract
Nitrogen (N) is an essential nutrient that plants require for the synthesis of amino acids, proteins, and many other important metabolites. Plant metabolism and growth are consequently dependent on the amount of N that is assimilated and distributed from source leaves to developing sinks, such as fruits and seeds. The environmental stresses enhanced by climate change deeply influence seed yield and seed composition, and may disturb N use efficiency (NUE) in pants. We aimed to investigate plant responses to extreme climates with regard to NUE, N remobilization efficiency, and seed composition. By studying a collection of Arabidopsis genotypes showing a range of C:N ratios in seeds, we investigated the impact of different post-flowering growth conditions (control, heat, drought, low nitrate availability, induced senescence, and induced plant defense) on seed yield, N allocation in organs, NUE, and N remobilization efficiency. We analysed how post-flowering stresses could change seed filling and showed that post-flowering stresses change both the range of N and C concentrations and the C:N stoichiometry in seeds. Using a new trait, called delta seed composition, we measured the deviation in C:N stoichiometry of each genotype and revealed the genetic determinism of the C:N stoichiometry. Altogether, the results indicate that extreme climate impacts NUE dramatically in plants and generates different bottlenecks in N fluxes during seed filling.
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Registered trials
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