ArticleFrontiers in plant science2014
The Malus domestica sugar transporter gene family: identifications based on genome and expression profiling related to the accumulation of fruit sugars.
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 77 papers.
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77 citing papers in PubMed, 155 citations in OpenAlex.
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- The Sugar Transporter Gene Family in Colored Calla Lily: Identification, Expression Patterns, and Roles in Soft Rot Disease.Plants (Basel, Switzerland) · 2025Article
- Unraveling the Nectar Secretion Pathway and Floral-Specific Expression ofPlants (Basel, Switzerland) · 2025Article
- How vacuolar sugar transporters evolve and control cellular sugar homeostasis, organ development and crop yield.Nature plants · 2025Review
- Tonoplast sugar transporters coordinately regulate tomato fruit development and quality.Plant communications · 2025Article
- Characterization of theInternational journal of molecular sciences · 2025Article
- Screening Germplasms and Detecting Quantitative Trait Loci for High Sucrose Content in Soybean.Plants (Basel, Switzerland) · 2024Article
- Investigating in vitro anticholinergic potential (anti-AChE and anti-BuChE) of Chaenomeles leaves extracts and its phytochemicals including chlorophylls, carotenoids and minerals.Scientific reports · 2024Article
- Mechanism underlying the rapid growth of Phalaenopsis equestris induced byMolecular genetics and genomics : MGG · 2024Article
- Genome-Wide Identification and Expression Profile Analysis of Sugars Will Eventually Be Exported Transporter (International journal of molecular sciences · 2024Article
- Genome-Wide Bioinformatics Analysis ofPlants (Basel, Switzerland) · 2024Article
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- Insights into the ameliorative effect of ZnONPs on arsenic toxicity in soybean mediated by hormonal regulation, transporter modulation, and stress responsive genes.Frontiers in plant science · 2024Article
- Transcriptomic and Metabolomic Profiling Reveals the Variations in Carbohydrate Metabolism between Two Blueberry Cultivars.International journal of molecular sciences · 2023Article
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- Phloem unloading in cultivated melon fruits follows an apoplasmic pathway during enlargement and ripening.Horticulture research · 2023Article
- Abscisic acid and regulation of the sugar transporter gene MdSWEET9b promote apple sugar accumulation.Plant physiology · 2023Article
17 more citing papers are in PubMed but not listed here.
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5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In plants, sugar transporters are involved not only in long-distance transport, but also in sugar accumulations in sink cells. To identify members of sugar transporter gene families and to analyze their function in fruit sugar accumulation, we conducted a phylogenetic analysis of the Malus domestica genome. Expression profiling was performed with shoot tips, mature leaves, and developed fruit of "Gala" apple. Genes for sugar alcohol [including 17 sorbitol transporters (SOTs)], sucrose, and monosaccharide transporters, plus SWEET genes, were selected as candidates in 31, 9, 50, and 27 loci, respectively, of the genome. The monosaccharide transporter family appears to include five subfamilies (30 MdHTs, 8 MdEDR6s, 5 MdTMTs, 3 MdvGTs, and 4 MdpGLTs). Phylogenetic analysis of the protein sequences indicated that orthologs exist among Malus, Vitis, and Arabidopsis. Investigations of transcripts revealed that 68 candidate transporters are expressed in apple, albeit to different extents. Here, we discuss their possible roles based on the relationship between their levels of expression and sugar concentrations. The high accumulation of fructose in apple fruit is possibly linked to the coordination and cooperation between MdTMT1/2 and MdEDR6. By contrast, these fruits show low MdSWEET4.1 expression and a high flux of fructose produced from sorbitol. Our study provides an exhaustive survey of sugar transporter genes and demonstrates that sugar transporter gene families in M. domestica are comparable to those in other species. Expression profiling of these transporters will likely contribute to improving our understanding of their physiological functions in fruit formation and the development of sweetness properties.
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