ArticlePlant physiology2021
OsGRETCHENHAGEN3-2 modulates rice seed storability via accumulation of abscisic acid and protective substances.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 69 citations in OpenAlex.
- Natural variation inScience advances · 2026Article
- Genes, Putative Long-Lived mRNAs and Pathways Underlying Genotypic Differences in Rice Seed Storability and Seed Dormancy.Rice (New York, N.Y.) · 2026Article
- Genome-wide identification and gene expression analyses of GH3 gene family under abiotic stress in Phyllostachys edulis.BMC plant biology · 2026Article
- Superior alleles ofNational science review · 2026Article
- Article
- Overexpression of the ABA Synthesis Gene OsABA2 Enhances Seed Storability in Rice.Rice (New York, N.Y.) · 2025Article
- Genome-Wide Analysis of GRETCHEN HAGEN3 Genes and Characterization of IAA-Amido Synthetase GenePlants (Basel, Switzerland) · 2025Article
- Integrating QTL mapping, BSA-seq and RNA-seq to identify candidate genes regulating seed storability from Dongxiang wild rice.Frontiers in plant science · 2025Article
- Allantoate Amidohydrolase OsAAH is Essential for Preharvest Sprouting Resistance in Rice.Rice (New York, N.Y.) · 2024Article
- Chalkiness and premature controlled by energy homeostasis in OsNAC02 Ko-mutant during vegetative endosperm development.BMC plant biology · 2024Article
- ABA Inhibits Rice Seed Aging by Reducing HPlants (Basel, Switzerland) · 2024Article
- Article
- Rice Seed Protrusion Quantitative Trait Loci Mapping through Genome-Wide Association Study.Plants (Basel, Switzerland) · 2024Article
- Advances in auxin synthesis, transport, and signaling in rice: implications for stress resilience and crop improvement.Frontiers in plant science · 2024Review
- Seed Longevity and Ageing: A Review on Physiological and Genetic Factors with an Emphasis on Hormonal Regulation.Plants (Basel, Switzerland) · 2023Review
- Full-Length Transcriptome Sequencing Reveals the Molecular Mechanism ofAntioxidants (Basel, Switzerland) · 2023Article
- Identification and Functional Analysis of Long Non-Coding RNA (lncRNA) in Response to Seed Aging in Rice.Plants (Basel, Switzerland) · 2022Article
- Genome-Wide Identification of Auxin-ResponsiveInternational journal of molecular sciences · 2022Article
- Understanding of Hormonal Regulation in Rice Seed Germination.Life (Basel, Switzerland) · 2022Review
- Insights into the Regulation of Rice Seed Storability by Seed Tissue-Specific Transcriptomic and Metabolic Profiling.Plants (Basel, Switzerland) · 2022Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seed storability largely determines the vigor of seeds during storage and is significant in agriculture and ecology. However, the underlying genetic basis remains unclear. In the present study, we report the cloning and characterization of the rice (Oryza sativa) indole-3-acetic acid (IAA)-amido synthetase gene GRETCHEN HAGEN3-2 (OsGH3-2) associated with seed storability. OsGH3-2 was identified by performing a genome-wide association study in rice germplasms with linkage mapping in chromosome substitution segment lines, contributing to the wide variation of seed viability in the populations after long periods of storage and artificial ageing. OsGH3-2 was dominantly expressed in the developing seeds and catalyzed IAA conjugation to amino acids, forming inactive auxin. Transgenic overexpression, knockout, and knockdown experiments demonstrated that OsGH3-2 affected seed storability by regulating the accumulation level of abscisic acid (ABA). Overexpression of OsGH3-2 significantly decreased seed storability, while knockout or knockdown of the gene enhanced seed storability compared with the wild-type. OsGH3-2 acted as a negative regulator of seed storability by modulating many genes related to the ABA pathway and probably subsequently late embryogenesis-abundant proteins at the transcription level. These findings shed light on the molecular mechanisms underlying seed storability and will facilitate the improvement of seed vigor by genomic breeding and gene-editing approaches in rice.
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