ArticleJournal of experimental botany2020
Role of ureides in source-to-sink transport of photoassimilates in non-fixing soybean.
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 12 papers.
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12 citing papers in PubMed, 33 citations in OpenAlex.
- Stem nitrogen accumulation through vegetative storage proteins and mobilization to seeds supports high-yielding soybean.Journal of experimental botany · 2026Article
- Soybean genomics research community strategic plan: A vision for 2024-2028.The plant genome · 2024Article
- Article
- Nitrogen deficiency tolerance conferred by introgression of a QTL derived from wild emmer into bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Identification and Expression Analysis ofGenes · 2024Article
- Exogenous Allantoin Confers Rapeseed (Antioxidants (Basel, Switzerland) · 2023Article
- Combined Metabolomic and Transcriptomic Analysis Reveals Allantoin Enhances Drought Tolerance in Rice.International journal of molecular sciences · 2022Article
- From source to sink: mechanistic insight of photoassimilates synthesis and partitioning under high temperature and elevated [COPlant molecular biology · 2022Review
- Article
- Metabolomics Analysis Reveals Tissue-Specific Metabolite Compositions in Leaf Blade and Traps of CarnivorousInternational journal of molecular sciences · 2020Article
- Targeting Nitrogen Metabolism and Transport Processes to Improve Plant Nitrogen Use Efficiency.Frontiers in plant science · 2020Review
- Temperature-Dependent Root Responses to Water Deficit Modulate Biological Nitrogen Fixation and Rhizosphere Dynamics in Soybeans.Physiologia plantarumArticle
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nitrogen (N)-fixing soybean plants use the ureides allantoin and allantoic acid as major long-distance transport forms of N, but in non-fixing, non-nodulated plants amino acids mainly serve in source-to-sink N allocation. However, some ureides are still synthesized in roots of non-fixing soybean, and our study addresses the role of ureide transport processes in those plants. In previous work, legume ureide permeases (UPSs) were identified that are involved in cellular import of allantoin and allantoic acid. Here, UPS1 from common bean was expressed in the soybean phloem, which resulted in enhanced source-to-sink transport of ureides in the transgenic plants. This was accompanied by increased ureide synthesis and elevated allantoin and allantoic acid root-to-sink transport. Interestingly, amino acid assimilation, xylem transport, and phloem partitioning to sinks were also strongly up-regulated. In addition, photosynthesis and sucrose phloem transport were improved in the transgenic plants. These combined changes in source physiology and assimilate partitioning resulted in increased vegetative growth and improved seed numbers. Overall, the results support that ureide transport processes in non-fixing plants affect source N and carbon acquisition and assimilation as well as source-to-sink translocation of N and carbon assimilates with consequences for plant growth and seed development.
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