ArticleJournal of experimental botany2022
Identification of OsPK5 involved in rice glycolytic metabolism and GA/ABA balance for improving seed germination via genome-wide association study.
Article in Journal of experimental botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 60 citations in OpenAlex.
- Stage-preferential transcriptome profiling reveals senescence associated transcriptional programs linked to nutrient remobilization in rice flag leaves during grain filling.Plant molecular biology · 2026Article
- Research Advances in Plant Pyruvate Kinase.International journal of molecular sciences · 2026Review
- Transcriptomic Profiling Reveals the Seed Aging Process inPlants (Basel, Switzerland) · 2026Article
- Induction of glutathione and flavonoid biosynthesis activates antioxidant enzymes to enhance drought tolerance in rice.BMC plant biology · 2026Article
- Integrating Metabolomics and Proteomics to Reveal the Regulatory Network Governing the Natural Variation in Rice Seed Germination Rate.Plants (Basel, Switzerland) · 2026Article
- Natural variation in OsTPS8 confers differential regulation of chalkiness and seed vigor in indica and japonica rice.Nature genetics · 2026Article
- OsSAE1 orchestrates the antagonistical regulation of gibberellin and abscisic acid signaling to control rice seed germination.Journal of integrative plant biology · 2026Article
- Reciprocal control of metabolic and chromatin regulators improves rice tolerance to heat.Nature communications · 2025Article
- Characterization of a wheat mutant line 1813WH presenting increased seed dormancy and longevity, and reduced pre-harvest sprouting.BMC plant biology · 2025Article
- Genome-Wide Identification and Expression Profiling of Pyruvate Kinase Genes in Litchi Under Calcium-Magnesium Foliar Treatment.Plants (Basel, Switzerland) · 2025Article
- The Endosperm-Specific GenePlants (Basel, Switzerland) · 2025Article
- Exogenous Sucrose Improves the Vigor of Aged Safflower Seeds by Mediating Fatty Acid Metabolism and Glycometabolism.Plants (Basel, Switzerland) · 2025Article
- Comparative Transcriptome and Hormonal Analysis Reveals the Mechanisms of Salt Tolerance in Rice.International journal of molecular sciences · 2025Article
- Overexpression of the ABA Synthesis Gene OsABA2 Enhances Seed Storability in Rice.Rice (New York, N.Y.) · 2025Article
- Nucleobase-ascorbate transporter OsNAT9 regulates seed vigor and drought tolerance by modulating ascorbic acid homeostasis in rice.The Plant journal : for cell and molecular biology · 2025Article
- Knocking out artificially selected gene GmAOC4TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- The transcription factor CCT30 promotes rice preharvest sprouting by regulating sugar signalling to inhibit the ABA-mediated pathway.Plant biotechnology journal · 2025Article
- The fate of biodegradable polylactic acid microplastics in maize: impacts on cellular ion fluxes and plant growth.Frontiers in plant science · 2025Article
- RAL6 encodes a seed allergenic protein that positively regulates grain weight and seed germination.Journal of plant research · 2024Article
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Authors and funding
14 authors at 2 institutions in 2 countries.
Funding
Abstract
Seed germination plays a pivotal role in the plant life cycle, and its precise regulatory mechanisms are not clear. In this study, 19 quantitative trait loci (QTLs) associated with rice seed germination were identified through genome-wide association studies (GWAS) of the following traits in 2016 and 2017: germination rate (GR) at 3, 5, and 7 days after imbibition (DAI) and germination index (GI). Two major stable QTLs, qSG4 and qSG11.1, were found to be associated with GR and GI over 2 continuous years. Furthermore, OsPK5, encoding a pyruvate kinase, was shown to be a crucial regulator of seed germination in rice, and might be a causal gene of the key QTL qSG11.1, on chromosome 11. Natural variation in OsPK5 function altered the activity of pyruvate kinase. The disruption of OsPK5 function resulted in slow germination and seedling growth during seed germination, blocked glycolytic metabolism, caused glucose accumulation, decreased energy levels, and affected the GA/ABA balance. Taken together, our results provide novel insights into the roles of OsPK5 in seed germination, and facilitate its application in rice breeding to improve seed vigour.
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