ArticlePlant physiology2016
Water Deficit Enhances C Export to the Roots in Arabidopsis thaliana Plants with Contribution of Sucrose Transporters in Both Shoot and Roots.
Article in Plant physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 102 papers, 2 of them syntheses that pooled it.
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Who cites it
102 citing papers in PubMed, 2 syntheses or guidelines pooled it, 250 citations in OpenAlex.
- Identification of biomarker genes from multiple studies for abiotic stress in maize through machine learning.Journal of biosciences · 2024Pooled it
- Pooled it
- The loss of COP1 delays senescence and inhibits root growth through modulation of sucrose allocation and availability.Plant physiology · 2026Article
- Functional characterization of the MdMYB73L gene in drought and salt stress tolerance in apple.Plant molecular biology · 2026Article
- Genome-wide analysis of the SWEET gene family in quinoa and functional study of CqSWEET14 in drought resistance.Functional & integrative genomics · 2026Review
- A SlERF4-SlTPP1 module enhances drought tolerance in tomato by increasing the root/shoot ratio.Horticulture research · 2026Article
- Drought priming promotes phloem loading-driven sucrose export to alleviate the photosynthetic limitations under low nitrogen stress in wheat seedlings.Frontiers in plant science · 2026Article
- No-tillage with straw mulching enhances grain yield and water use efficiency of wheat by enhancing sugar metabolism in flag leaves and grains in rainfed Loess Plateau, China.Frontiers in plant science · 2026Article
- Genome-wide identification and evolutionary analysis of SUT genes reveals key regulators of drought stress response in finger millet (Eleusine coracana).Journal, genetic engineering & biotechnology · 2025Article
- Genome-Wide Identification and Expression Profiling of Plasma Membrane-Localized SWEET Gene Family Associated with Sugar Transport During Yam Tuber Development.International journal of molecular sciences · 2025Article
- Grain under pressure: Harnessing biochemical pathways to beat drought and heat in wheat.The Plant journal : for cell and molecular biology · 2025Review
- Gibberellin signalling mediates nucleocytoplasmic trafficking of Sucrose Synthase 1 to regulate the drought tolerance in rice.Plant biotechnology journal · 2025Article
- Salt stress-induced remodeling of sugar transport: a role for promoter alleles of SWEET13.Scientific reports · 2025Article
- Characterization of theInternational journal of molecular sciences · 2025Article
- Effect of drought acclimation on sugar metabolism in millet.Protoplasma · 2025Article
- Article
- Maize nodal root growth maintenance during water deficit: metabolic acclimation and the role of increased solute deposition in osmotic adjustment.Frontiers in plant science · 2025Article
- Sugar Transport and Signaling in Shoot Branching.International journal of molecular sciences · 2024Review
- Genome wide identification of BjSWEET gene family and drought response analysis of BjSWEET12 and BjSWEET17 genes in Brassica juncea.BMC plant biology · 2024Article
- Genome‑wide identification of the SWEET gene family in grape (Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
42 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Root high plasticity is an adaptation to its changing environment. Water deficit impairs growth, leading to sugar accumulation in leaves, part of which could be available to roots via sucrose (Suc) phloem transport. Phloem loading is widely described in Arabidopsis (Arabidopsis thaliana), while unloading in roots is less understood. To gain information on leaf-to-root transport, a soil-based culture system was developed to monitor root system architecture in two dimensions. Under water deficit (50% of soil water-holding capacity), total root length was strongly reduced but the depth of root foraging and the shape of the root system were less affected, likely to improve water uptake. (14)CO2 pulse-chase experiments confirmed that water deficit enhanced carbon (C) export to the roots, as suggested by the increased root-to-shoot ratio. The transcript levels of AtSWEET11 (for sugar will eventually be exported transporter), AtSWEET12, and AtSUC2 (for Suc carrier) genes, all three involved in Suc phloem loading, were significantly up-regulated in leaves of water deficit plants, in accordance with the increase in C export from the leaves to the roots. Interestingly, the transcript levels of AtSUC2 and AtSWEET11 to AtSWEET15 were also significantly higher in stressed roots, underlying the importance of Suc apoplastic unloading in Arabidopsis roots and a putative role for these Suc transporters in Suc unloading. These data demonstrate that, during water deficit, plants respond to growth limitation by allocating relatively more C to the roots to maintain an efficient root system and that a subset of Suc transporters is potentially involved in the flux of C to and in the roots.
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