ArticlePlanta2011
Comparison of a novel tomato sucrose synthase, SlSUS4, with previously described SlSUS isoforms reveals distinct sequence features and differential expression patterns in association with stem maturation.
Article in Planta, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 28 citations in OpenAlex.
- The Phytophthora sojae effector PsFYVE1 modulates immunity-related gene expression by targeting host RZ-1A protein.Plant physiology · 2023Article
- Sucrose Synthase and Fructokinase Are Required for Proper Meristematic and Vascular Development.Plants (Basel, Switzerland) · 2022Article
- Investigation ofInternational journal of molecular sciences · 2021Article
- Structure and Expression Analysis of Sucrose Phosphate Synthase, Sucrose Synthase and Invertase Gene Families inInternational journal of molecular sciences · 2021Article
- Regulation of sugar metabolism genes in the nitrogen-dependent susceptibility of tomato stems to Botrytis cinerea.Annals of botany · 2021Article
- An Overview of Sucrose Synthases in Plants.Frontiers in plant science · 2019Review
- Exploring natural genetic variation in tomato sucrose synthases on the basis of increased kinetic properties.PloS one · 2018Article
- Suppression of sucrose synthase affects auxin signaling and leaf morphology in tomato.PloS one · 2017Article
- A Tomato Vacuolar Invertase Inhibitor Mediates Sucrose Metabolism and Influences Fruit Ripening.Plant physiology · 2016Article
- Transgene silencing of sucrose synthase in alfalfa (Medicago sativa L.) stem vascular tissue suggests a role for invertase in cell wall cellulose synthesis.BMC plant biology · 2015Article
- Hexose kinases and their role in sugar-sensing and plant development.Frontiers in plant science · 2013Article
- High invertase activity in tomato reproductive organs correlates with enhanced sucrose import into, and heat tolerance of, young fruit.Journal of experimental botany · 2012Article
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sucrose synthase (SUS) plays a role in many contexts of sugar metabolism, including low-oxygen and low-ATP respiration and the synthesis of cellulose. In tomato (Solanum lycopersicum), as in many plants, SUS is encoded by genes at several independent loci. Here, we report the isolation of a novel tomato SUS (SlSUS) isoform, SlSUS4, that is homologous to potato SUS isoform 1 (StSUS1) and also shows greater homology to SUS isoforms of other plants than to the other tomato SUS isoforms. All three tomato isoforms are very similar in genomic structure and sequence, yet each is located on a separate chromosome. Real-time expression analysis of the three distinct isoforms revealed widely varying patterns of expression, in terms of both tissue specificity and overall magnitude of expression. Analysis of SlSUS expression along the tomato stem revealed opposing expression gradients for two of the SlSUS isoforms, in apparent correlation with vascular tissue maturation. Western-blot analysis of SlSUS protein showed an increasing SlSUS concentration gradient along the developmental axis of the tomato stem, with the protein concentrated mainly in the vascular tissue of the stem. These gene expression and protein accumulation patterns indicate that each isoform may play a discrete role in the development of tomato plants, most notably in the development of vascular tissue in the stem.
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