ArticleNature2014
Nectar secretion requires sucrose phosphate synthases and the sugar transporter SWEET9.
Article in Nature, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 203 papers, 1 of them a synthesis that pooled it.
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Who cites it
203 citing papers in PubMed, 1 synthesis or guideline pooled it, 439 citations in OpenAlex.
- Mapping the research landscape of extrafloral nectaries: a comprehensive bibliometric analysis (1894-2026).Frontiers in plant science · 2026Pooled it
- Dodder seedlings benefit from apoplastic nutrition by inducing SWEET15-mediated unloading of sucrose from the host's phloem.The New phytologist · 2026Article
- Extrafloral Nectaries in Woody Plants: Toward an Integrated Framework for Ant-Mediated Plant Defense.Plants (Basel, Switzerland) · 2026Review
- Integrated metabolomics and transcriptomics reveal sugar metabolism associated with cold tolerance in chrysanthemum.BMC plant biology · 2026Article
- Influence of drought stress on the metabolite and ion composition in nectar and nectaries of different day- and night-flowering Nicotiana species.Plant biology (Stuttgart, Germany) · 2026Article
- Transcriptional Regulation of SWEET15_A01 by MYB44/bHLH3 Modulates Carbon Allocation in Cotton Ovule and Fibre to Affect Seed and Fibre Traits.Plant biotechnology journal · 2026Article
- Nectary Structure and Nectar Secretion Characteristics Among Various Cultivars ofPlants (Basel, Switzerland) · 2026Article
- The Arabidopsis neutral amino acid transporter UmamiT20 confers Botrytis cinerea susceptibility.Journal of experimental botany · 2026Article
- Genome-Wide Identification of thePlants (Basel, Switzerland) · 2026Article
- Strigolactones Regulate Sugar Allocation to Control Rice Tillering and Root Development via the OsSPL14-OsSHR1-OsSWEET16 Pathway.Plant biotechnology journal · 2026Article
- Towards a Holistic View of the Orchestration Between Sugar Transporters in Cereal Crops.Plants (Basel, Switzerland) · 2026Article
- Augmenting plant-pollinator interactions to promote biodiversity and global food security.Frontiers in plant science · 2026Review
- Pan-genome analysis and abiotic stress expression of theFrontiers in plant science · 2026Article
- Unlocking the Genetic Blueprint of Erucic Acid Content in Mustard (Brassica napus): A Meta-QTL Exploration.TheScientificWorldJournal · 2026Article
- Precise Discrimination Between Rape Honey and Acacia Honey Based on Sugar and Amino Acid Profiles Combined with Machine Learning.Foods (Basel, Switzerland) · 2025Article
- Light-Signalling Regulators GmSTF3/4 Enhance Soybean Susceptibility to Cyst Nematodes via Activation of Sugar Transporters.Plant biotechnology journal · 2025Article
- Nectary starch degradation affects nectar chemical composition, but not nectar sugars, in Arabidopsis thaliana.Plant physiology · 2025Article
- Comprehensive Identification and Expression Analysis of thePlants (Basel, Switzerland) · 2025Article
- CanGenes · 2025Article
- Oligomeric SWEET1g of Solanum tuberosum confers resistance to potato virus Y and Potato virus X.The Plant journal : for cell and molecular biology · 2025Article
143 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
13 authors at 7 institutions in 3 countries.
Funding
Abstract
Angiosperms developed floral nectaries that reward pollinating insects. Although nectar function and composition have been characterized, the mechanism of nectar secretion has remained unclear. Here we identify SWEET9 as a nectary-specific sugar transporter in three eudicot species: Arabidopsis thaliana, Brassica rapa (extrastaminal nectaries) and Nicotiana attenuata (gynoecial nectaries). We show that SWEET9 is essential for nectar production and can function as an efflux transporter. We also show that sucrose phosphate synthase genes, encoding key enzymes for sucrose biosynthesis, are highly expressed in nectaries and that their expression is also essential for nectar secretion. Together these data are consistent with a model in which sucrose is synthesized in the nectary parenchyma and subsequently secreted into the extracellular space via SWEET9, where sucrose is hydrolysed by an apoplasmic invertase to produce a mixture of sucrose, glucose and fructose. The recruitment of SWEET9 for sucrose export may have been a key innovation, and could have coincided with the evolution of core eudicots and contributed to the evolution of nectar secretion to reward pollinators.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.