ArticleJournal of experimental botany2020
Arabidopsis sucrose synthase localization indicates a primary role in sucrose translocation in phloem.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 64 citations in OpenAlex.
- Duet between sugars and hormones: The molecular dialogue fine-tuning hypoxia acclimation in plants.Journal of integrative plant biology · 2026Review
- The Contribution of Phloem Metabolism to Leaf Respiration: New Insights Into an Old Problem.Plant, cell & environment · 2026Article
- The Plant Sucrose Synthase Gene Family: Multi-Level Regulatory Networks and Functional Diversification in Plants.Biomolecules · 2026Review
- Discrete and cell-specific hypoxic responses in Arabidopsis roots resolved by single-nuclei transcriptomics.The New phytologist · 2026Article
- Advances in the Regulatory Mechanism of Enzymes Involved in Soluble Sugar Metabolism in Fruits.Plants (Basel, Switzerland) · 2026Review
- Transcriptional regulation and functional research of sucrose synthase in plant development.Planta · 2025Review
- Weighted Gene Correlation Network Analysis Reveals Key Regulatory Genes Influencing Selenium Enrichment and Yield with Exogenous Selenite in Tartary Buckwheat.Plants (Basel, Switzerland) · 2025Article
- Sucrose synthase dynamics and its potential role in heat stress tolerance in cereals.Frontiers in plant science · 2025Review
- Transcriptome and selected metabolite analyses reveal points of sugar metabolism in the developing leaves of kiwifruit.Frontiers in plant science · 2025Article
- Symplasmic phloem loading and subcellular transport in storage roots are key factors for carbon allocation in cassava.Plant physiology · 2024Article
- PLASMODESMATA-LOCATED PROTEIN 6 regulates plasmodesmal function in Arabidopsis vasculature.The Plant cell · 2024Article
- Source-sink synergy is the key unlocking sweet potato starch yield potential.Nature communications · 2024Article
- Single-cell network analysis reveals gene expression programs for Arabidopsis root development and metabolism.Plant communications · 2024Article
- Cytochemical localization and synthesis mechanism of the glucomannan in pseudobulbs ofHorticulture research · 2024Article
- Morpho-physiological and transcriptomic responses of field pennycress to waterlogging.Frontiers in plant science · 2024Article
- The Inferior Grain Filling Initiation Promotes the Source Strength of Rice Leaves.Rice (New York, N.Y.) · 2023Article
- Genome-Wide Identification and Expression Analysis of the Sucrose Synthase Gene Family in Sweet Potato and Its Two Diploid Relatives.International journal of molecular sciences · 2023Article
- Analysis of companion cell and phloem metabolism using a transcriptome-guided model of Arabidopsis metabolism.Plant physiology · 2023Article
- RNA 5-Methylcytosine Modification Regulates Vegetative Development Associated with H3K27 Trimethylation in Arabidopsis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Molecular Breeding and Drought Tolerance in Chickpea.Life (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sucrose synthase (SuSy) is one of two enzyme families capable of catalyzing the first degradative step in sucrose utilization. Several earlier studies examining SuSy mutants in Arabidopsis failed to identify obvious phenotypic abnormalities compared with wild-type plants in normal growth environments, and as such a functional role for SuSy in the previously proposed cellulose biosynthetic process remains unclear. Our study systematically evaluated the precise subcellular localization of all six isoforms of Arabidopsis SuSy via live-cell imaging. We showed that yellow fluorescent protein (YFP)-labeled SuSy1 and SuSy4 were expressed exclusively in phloem companion cells, and the sus1/sus4 double mutant accumulated sucrose under hypoxic conditions. SuSy5 and SuSy6 were found to be parietally localized in sieve elements and restricted only to the cytoplasm. SuSy2 was present in the endosperm and embryo of developing seeds, and SuSy3 was localized to the embryo and leaf stomata. No single isoform of SuSy was detected in developing xylem tissue of elongating stem, the primary site of cellulose deposition in plants. SuSy1 and SuSy4 were also undetectable in the protoxylem tracheary elements, which were induced by the vascular-related transcription factor VND7 during secondary cell wall formation. These findings implicate SuSy in the biological events related to sucrose translocation in phloem.
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