ArticleRice (New York, N.Y.)2019
Competition between Granule Bound Starch Synthase and Starch Branching Enzyme in Starch Biosynthesis.
Article in Rice (New York, N.Y.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 43 citations in OpenAlex.
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- Physiological and Molecular Mechanisms of Nitrogen Regulation on Grain Quality in Cereal Crops at Later Stages.International journal of molecular sciences · 2026Review
- Molecular mechanisms and evolutionary adaptations of transporters for photosynthates and specialized metabolites in plants.Plant cell reports · 2026Review
- Investigating the Impact of Amylopectin Chain-Length Distribution on the Structural and Functional Properties of Waxy Rice Starch.Foods (Basel, Switzerland) · 2025Article
- Unveiling distinct storage composition and starch properties in developing indica rice grains via transcriptional profiling and enzymatic activity analysis.Computational and structural biotechnology journal · 2025Article
- Genetic variation in storage protein and starch biosynthesis genes reveals key associations with seed composition in pea (Frontiers in plant science · 2025Article
- Tandem mass tag (TMT)-based quantitative proteomics analysis reveals the different responses of contrasting alfalfa varieties to drought stress.BMC genomics · 2024Article
- Genome-Wide Association Study of Starch Properties in Local Thai Rice.Plants (Basel, Switzerland) · 2023Article
- Effects of the Molecular Structure of Starch in Foods on Human Health.Foods (Basel, Switzerland) · 2023Review
- Transcriptome and Metabolome Analysis Provide New Insights into the Process of Tuberization ofInternational journal of molecular sciences · 2022Article
- High temperature boosts resistant starch content by altering starch structure and lipid content in riceFrontiers in plant science · 2022Article
- Integrating Omics and Gene Editing Tools for Rapid Improvement of Traditional Food Plants for Diversified and Sustainable Food Security.International journal of molecular sciences · 2021Review
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundStarch branching enzymes (SBE) and granule-bound starch synthase (GBSS) are two important enzymes for starch biosynthesis. SBE mainly contributes to the formation of side branches, and GBSS mainly contributes for the synthesis of amylose molecules. However, there are still gaps in the understanding of possible interactions between SBE and GBSS.
resultsNineteen natural rice varieties with amylose contents up to 28% were used. The molecular structure, in the form of the chain-length distribution (CLDs, the distribution of the number of monomer units in each branch) was measured after enzymatic debranching, using fluorophore-assisted carbohydrate electrophoresis for amylopectin and size- exclusion chromatography for amylose. The resulting distributions were fitted to two mathematical models based on the underlying biosynthetic processes, which express the CLDs in terms of parameters reflecting relevant enzyme activities.
conclusionsFinding statistically valid correlations between the values of these parameters showed that GBSSI and SBEI compete for substrates during rice starch biosynthesis, and synthesis of amylose short chains involves several enzymes including GBSSI, SBE and SSS (soluble starch synthase). Since the amylose CLD is important for a number of functional properties such as digestion rate, this knowledge is potentially useful for developing varieties with improved functional properties.
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