ArticleThe Plant cell2023
SWEET11b transports both sugar and cytokinin in developing barley grains.
Article in The Plant cell, 2023. 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.
- Lipid MRI in plant science: principles and potential areas of application.Journal of experimental botany · 2026Review
- A four-dimensional spatial transcriptome atlas of barley caryopsis development and germination.The Plant cell · 2026Article
- Targeting redundant gene families: A multiplexed, tissue-specific CRISPR toolbox for Arabidopsis genetic screens.Cell reports · 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
- Tailored for swift recognition: A structural perspective on secondary active plant hormone transporters.The Plant journal : for cell and molecular biology · 2026Review
- Ratoon Season Rice Reduces Methane Emissions by Limiting Acetic Acid Transport to the Rhizosphere and Inhibiting Methanogens.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- AnFrontiers in plant science · 2026Article
- Membrane transport of root-borne trans-zeatin riboside maintains the cytokinin homeostasis in shoots.Journal of experimental botany · 2025Article
- CLAVATA signalling shapes barley inflorescence by controlling activity and determinacy of shoot meristem and rachilla.Nature communications · 2025Article
- Integrated metabolome analysis and transcript profiles revealed a potential role of SWEETs in sugar accumulation during Carrot taproot development.BMC plant biology · 2025Article
- Structural basis of cytokinin transport by the Arabidopsis AZG2.Nature communications · 2025Article
- Genome-wide association study identifies QTL and candidate genes for grain size and weight in a Triticum turgidum collection.The plant genome · 2025Article
- Genome-wide characterization of two-component system elements in barley enables the identification of grain-specific phosphorelay genes.BMC plant biology · 2025Article
- MRI-Seed-Wizard: combining deep learning algorithms with magnetic resonance imaging enables advanced seed phenotyping.Journal of experimental botany · 2025Article
- Wheat endosperm-specific transcription factor TaDOF6 enhances grain development by regulatingFrontiers in plant science · 2025Article
- The cytokinin efflux transporter ABCC4 participates in Arabidopsis root system development.Plant physiology · 2024Article
- The role of sugar transporter BrSWEET11 in promoting plant early flowering and preliminary exploration of its molecular mechanism.Plant cell reports · 2024Article
- Metabolic imaging in living plants: A promising field for chemical exchange saturation transfer (CEST) MRI.Science advances · 2024Article
- Functional Characterization of JcSWEET12 and JcSWEET17a from Physic Nut.International journal of molecular sciences · 2024Article
- Genome-wide analysis of the SWEET gene family in Hemerocallis citrina and functional characterization of HcSWEET4a in response to salt stress.BMC plant biology · 2024Article
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21 authors.
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Abstract
Even though Sugars Will Eventually be Exported Transporters (SWEETs) have been found in every sequenced plant genome, a comprehensive understanding of their functionality is lacking. In this study, we focused on the SWEET family of barley (Hordeum vulgare). A radiotracer assay revealed that expressing HvSWEET11b in African clawed frog (Xenopus laevis) oocytes facilitated the bidirectional transfer of not only just sucrose and glucose, but also cytokinin. Barley plants harboring a loss-of-function mutation of HvSWEET11b could not set viable grains, while the distribution of sucrose and cytokinin was altered in developing grains of plants in which the gene was knocked down. Sucrose allocation within transgenic grains was disrupted, which is consistent with the changes to the cytokinin gradient across grains, as visualized by magnetic resonance imaging and Fourier transform infrared spectroscopy microimaging. Decreasing HvSWEET11b expression in developing grains reduced overall grain size, sink strength, the number of endopolyploid endosperm cells, and the contents of starch and protein. The control exerted by HvSWEET11b over sugars and cytokinins likely predetermines their synergy, resulting in adjustments to the grain's biochemistry and transcriptome.
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