ArticleJournal of experimental botany2013
OsbZIP58, a basic leucine zipper transcription factor, regulates starch biosynthesis in rice endosperm.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 150 papers.
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150 citing papers in PubMed, 304 citations in OpenAlex.
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- Regulatory factors of starch metabolism in cereal endosperm.Plant molecular biology · 2026Review
- Discovering of the transcriptional regulatory network involved in starch biosynthesis in sorghum grains.Plant diversity · 2026Article
- Three transcription factors, OsNF-YC8, OsNF-YC9, and OsNF-YC10, function redundantly to promote amylopectin synthesis by activating SBE3 expression in rice endosperm.Plant communications · 2026Article
- Transcriptional Regulation of Starch Biosynthesis in Sorghum Grain by a MIKC-Type MADS-Box Transcription Factor: An In Vitro Analysis.Plants (Basel, Switzerland) · 2026Article
- The bHLH transcription factor PIL1 orchestrates starch synthesis in key cereal crops.Nature communications · 2025Article
- Multiomic insights into sucrose accumulation in sugarcane.Plant molecular biology · 2025Article
- A glutamyl-tRNA reductase and its binding protein promote transitory starch biosynthesis and enhance grain quality and yield in rice.Plant communications · 2025Article
- The bZIP transcription factor RISBZ1 balances grain filling and ER stress response in rice grains.Plant communications · 2025Article
- Research Progress on the Regulatory Mechanism of theCurrent issues in molecular biology · 2025Review
- Phenotypic characterization and genetic factor identification of starch content-related traits in foxtail millet (Setaria italica L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- A large-scale gene regulatory network for rice endosperm starch biosynthesis and its application in genetic improvement of rice quality.Plant biotechnology journal · 2025Article
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- Genome-Wide Dissection of Sorghum B3 Transcription Factor Family Identifies SbLAV1 as a Critical Transcriptional Regulator of Starch Biosynthesis in Developing Sorghum Grains.Plants (Basel, Switzerland) · 2025Article
- Unique starch biosynthesis pathways in wild rice revealed by multi-omics analyses.Plant biotechnology journal · 2025Article
- The Impact ofPlants (Basel, Switzerland) · 2025Article
- Carbohydrate flow during grain filling: Phytohormonal regulation and genetic control in rice (Oryza sativa).Journal of integrative plant biology · 2025Review
- Plant Productivity and Leaf Starch During Grain Fill Is Linked to QTL Containing Flowering Locus T1 (Plants (Basel, Switzerland) · 2025Article
90 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Starch composition and the amount in endosperm, both of which contribute dramatically to seed yield, cooking quality, and taste in cereals, are determined by a series of complex biochemical reactions. However, the mechanism regulating starch biosynthesis in cereal seeds is not well understood. This study showed that OsbZIP58, a bZIP transcription factor, is a key transcriptional regulator controlling starch synthesis in rice endosperm. OsbZIP58 was expressed mainly in endosperm during active starch synthesis. osbzip58 null mutants displayed abnormal seed morphology with altered starch accumulation in the white belly region and decreased amounts of total starch and amylose. Moreover, osbzip58 had a higher proportion of short chains and a lower proportion of intermediate chains of amylopectin. Furthermore, OsbZIP58 was shown to bind directly to the promoters of six starch-synthesizing genes, OsAGPL3, Wx, OsSSIIa, SBE1, OsBEIIb, and ISA2, and to regulate their expression. These findings indicate that OsbZIP58 functions as a key regulator of starch synthesis in rice seeds and provide new insights into seed quality control.
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