ArticlePLoS biology2018
Root zone-specific localization of AMTs determines ammonium transport pathways and nitrogen allocation to shoots.
Article in PLoS biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed.
- Article
- High-throughput screening for biostimulant discovery: opportunities to enhance nitrogen use efficiency.Frontiers in plant science · 2026Review
- Nitrogen Management of Variety Screening of Winter Wheat Cultivated on Chernozem Soil for Yield Optimization.Plants (Basel, Switzerland) · 2025Article
- Genome-wide analysis of the ammonium transporters gene family in Phaseolus vulgaris and its roles in response to drought and salinity stress.Scientific reports · 2025Article
- Phytochrome B-mediated light signalling enhances rice resistance to saline-alkaline and sheath blight by regulating multiple downstream transcription factors.Plant biotechnology journal · 2025Article
- Functional crosstalk between nitrate and ammonium transporters in N acquisition and pH homeostasis.Frontiers in plant science · 2025Review
- Differential absorption of cadmium and zinc by tobacco plants: Role of apoplastic pathway.Biochemistry and biophysics reports · 2024Article
- Choreographing root architecture and rhizosphere interactions through synthetic biology.Nature communications · 2024Review
- CIPK15-mediated inhibition of NHHeliyon · 2023Article
- Cell type-specific mapping of ion distribution in Arabidopsis thaliana roots.Nature communications · 2023Article
- Article
- Casparian strips prevent apoplastic diffusion of boric acid into root steles for excess B tolerance.Frontiers in plant science · 2023Article
- The rice transcription factor Nhd1 regulates root growth and nitrogen uptake by activating nitrogen transporters.Plant physiology · 2022Article
- Characteristics of NHPlants (Basel, Switzerland) · 2022Article
- Article
- Acclimation of sugar beet in morphological, physiological and BvAMT1.2 expression under low and high nitrogen supply.PloS one · 2022Article
- Recent Advances in Agronomic and Physio-Molecular Approaches for Improving Nitrogen Use Efficiency in Crop Plants.Frontiers in plant science · 2022Review
- Plant flavones enrich rhizosphere Oxalobacteraceae to improve maize performance under nitrogen deprivation.Nature plants · 2021Article
- Feedback inhibition of AMT1 NHBMC biology · 2020Article
- Combined Transcriptome and Proteome Analysis of Masson Pine (International journal of molecular sciences · 2020Article
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
In plants, nutrient provision of shoots depends on the uptake and transport of nutrients across the root tissue to the vascular system. Nutrient delivery to the vasculature is mediated via the apoplastic transport pathway (ATP), which uses the free space in the cell walls and is controlled by apoplastic barriers and nutrient transporters at the endodermis, or via the symplastic transport pathway (STP). However, the relative importance of these transport routes remains elusive. Here, we show that the STP, mediated by the epidermal ammonium transporter 1;3 (AMT1;3), dominates the radial movement of ammonium across the root tissue when external ammonium is low, whereas apoplastic transport controlled by AMT1;2 at the endodermis prevails at high external ammonium. Then, AMT1;2 favors nitrogen (N) allocation to the shoot, revealing a major importance of the ATP for nutrient partitioning to shoots. When an endodermal bypass was introduced by abolishing Casparian strip (CS) formation, apoplastic ammonium transport decreased. By contrast, symplastic transport was increased, indicating synergism between the STP and the endodermal bypass. We further establish that the formation of apoplastic barriers alters the cell type-specific localization of AMTs and determines STP and ATP contributions. These results show how radial transport pathways vary along the longitudinal gradient of the root axis and contribute to nutrient partitioning between roots and shoots.
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