ArticleNature plants2022
Phosphorylation of SWEET sucrose transporters regulates plant root:shoot ratio under drought.
Article in Nature plants, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers.
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109 citing papers in PubMed, 256 citations in OpenAlex.
- BpMYB73 regulates long noncoding RNA BplncW20 to improve drought tolerance by mediating ROS scavenging in Betula platyphylla.The New phytologist · 2026Article
- Evaluating Causal Claims in Plant Developmental Metabolism: A When-Where-How Framework.Plants (Basel, Switzerland) · 2026Review
- Functional Characterization ofPlants (Basel, Switzerland) · 2026Article
- SnRK2.4 and SnRK2.10 redundantly control developmental leaf senescence by sustaining ABA production and signaling.Plant physiology · 2026Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2026Article
- FaCPK19-FaTT1 axis decodes heat-induced CaThe New phytologist · 2026Article
- The Transcription Factor PsLBD42 Enhances Drought Tolerance Through Regulating the Fucosyltransferase PsFUT2 to Sustain Root Growth in Poplar.Plant, cell & environment · 2026Article
- A natural allele of TaSCE1-A1 confers drought resistance in wheat.Nature plants · 2026Article
- Genome-wide analysis of the SWEET gene family in quinoa and functional study of CqSWEET14 in drought resistance.Functional & integrative genomics · 2026Review
- Genome-wide identification of the SnRK gene family in willow and expression analysis under abiotic stress.BMC plant biology · 2026Article
- Melatonin Alleviates Drought Stress in Sweet Sorghum Seedlings via Protection of Photosynthetic Apparatus and Carbon-Nitrogen Metabolism.International journal of molecular sciences · 2026Article
- A SlERF4-SlTPP1 module enhances drought tolerance in tomato by increasing the root/shoot ratio.Horticulture research · 2026Article
- FvMAPK6-Mediated FvMYB44s/FvSWEET1 Dual-Layer Regulation Modulates Sugar Accumulation in Strawberry Fruit, With FvSPS3 Enabling Quality-Yield Balance.Plant biotechnology journal · 2026Article
- Arabidopsis OST1 homologs of barley are involved in stomatal regulation.Journal of experimental botany · 2026Article
- SnRK2.6 phosphorylates sucrose transporter ZmSUT1 to enhance yield by modulating leaf senescence in maize.Science advances · 2026Article
- Salt-stress-induced tomato sweetening involves an SlSnRK2.6-SlZHD8 sugar accumulation cascade triggered by root-derived abscisic acid.The EMBO journal · 2026Article
- Research Progress in Plant Beneficial Fungi-Mediated Alleviation of Drought Stress in Crops.Journal of fungi (Basel, Switzerland) · 2026Review
- Integrated epigenomic and transcriptional profiling reveals genotype-specific adaptive reprogramming to drought stress in Brassica napus.BMC plant biology · 2026Article
- Protein post-translational modifications: key switches coordinating fruit ripening regulatory networks.Horticulture research · 2026Article
- Molecular mechanisms and evolutionary adaptations of transporters for photosynthates and specialized metabolites in plants.Plant cell reports · 2026Review
49 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The root:shoot ratio has long been known to be enhanced in plants under drought stress. Here we discovered that osmotic stress enhances long-distance sucrose transport to increase the root:shoot ratio in an abscisic-acid-dependent manner. The Arabidopsis sucrose transporters SWEET11 and 12, key players in phloem loading, are rapidly phosphorylated upon drought and abscisic acid treatments. The drought- and abscisic-acid-activated SnRK2 protein kinases phosphorylate the carboxy-terminal cytosolic regions of SWEET11 and 12. This phosphorylation enhances the oligomerization and sucrose transport activity of SWEETs, which results in elevated sucrose contents in roots and improved root growth under drought stress, leading to the enhanced root:shoot ratio of biomass and drought resistance. Notably, the expression of phospho-mimic SWEETs led to improved root growth even under non-stressed conditions. The phosphorylation of sucrose transporters provides an explanation for the long-standing observation that drought stress enhances the root:shoot ratio in plants and suggests a strategy for engineering drought-resistant crops.
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