ArticleBMC plant biology2020
SH1-dependent maize seed development and starch synthesis via modulating carbohydrate flow and osmotic potential balance.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 22 citations in OpenAlex.
- ZmSK1 encodes a sucrose synthase essential for starch synthesis and endosperm development in maize.Plant molecular biology · 2026Article
- Elucidation of sugar metabolic profiles and transcriptional regulatory networks during the developmental stages of sweet corn kernels.iScience · 2026Article
- Awns Enhance the Thousand Seed Weight ofBiology · 2026Article
- The Plant Sucrose Synthase Gene Family: Multi-Level Regulatory Networks and Functional Diversification in Plants.Biomolecules · 2026Review
- Transactivation of AGPL2 by Opaque2 is responsible for starch accumulation and kernel hardness in sweet corn.Journal of experimental botany · 2026Article
- Boosting Maize Yield and Mitigating Greenhouse Gas Emissions Through Synergistic Nitrogen and Chemical Regulation by Optimizing Roots and Developing Grains Under High-Density Planting in Northeast China.Plants (Basel, Switzerland) · 2025Article
- Analysis of candidate genes identified via genome-wide association analysis of sugar-related traits in maize kernels.The plant genome · 2025Article
- Characterization of Main Responsive Genes Reveals Their Regulatory Network Attended by Multi-Biological Metabolic Pathways in Paclobutrazol (PAC)-Modulated Grape Seed Development (GSD) at the Stone-Hardening Stage.International journal of molecular sciences · 2025Article
- Endosperm cell death: roles and regulation in angiosperms.Journal of experimental botany · 2024Review
- Sucrose synthase gene family in common bean during pod filling subjected to moisture restriction.Frontiers in plant science · 2024Article
- Genetic Engineering of Starch Biosynthesis in Maize Seeds for Efficient Enzymatic Digestion of Starch during Bioethanol Production.International journal of molecular sciences · 2023Review
- Characterization and Transcriptome Analysis of Maize Small-Kernel MutantPlants (Basel, Switzerland) · 2023Article
- Exploring the Developmental Progression of Endosperm Cavity Formation in Maize Grain and the Underlying Molecular Basis Using X-Ray Tomography and Genome Wide Association Study.Frontiers in plant science · 2022Article
- Antagonism between abscisic acid and gibberellin regulates starch synthesis and corm development in Gladiolus hybridus.Horticulture research · 2021Article
- A Novel Banana Mutant "Frontiers in plant science · 2021Article
Corrections and comments
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Authors and funding
11 authors at 5 institutions in 2 countries.
Funding
Abstract
backgroundAs the main form of photoassimilates transported from vegetative tissues to the reproductive organs, sucrose and its degradation products are crucial for cell fate determination and development of maize kernels. Despite the relevance of sucrose synthase SH1 (shrunken 1)-mediated release of hexoses for kernel development, the underlying physiological and molecular mechanisms are not yet well understood in maize (Zea mays).
resultsHere, we identified a new allelic mutant of SH1 generated by EMS mutagenesis, designated as sh1*. The mutation of SH1 caused more than 90% loss of sucrose synthase activity in sh1* endosperm, which resulted in a significant reduction in starch contents while a dramatic increase in soluble sugars. As a result, an extremely high osmolality in endosperm cells of sh1* was generated, which caused kernel swelling and affected the seed development. Quantitative measurement of phosphorylated sugars showed that Glc-1-P in endosperm of sh1* (17 μg g
conclusionsOur results demonstrated that SH1-mediated sucrose degradation is critical for maize kernel development and starch synthesis by regulating the flow of carbohydrates and maintaining the balance of osmotic potential.
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