ArticleRice (New York, N.Y.)2025
Elite Alleles of EPE1 Identified via Genome-wide Association Studies Increase Panicle Elongation Length in Rice.
Article in Rice (New York, N.Y.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- The Chromatin Remodeler PEL1.2 Coordinates GA/JA Homoeostasis to Promote Panicle Exsertion for Hybrid Rice Seed Production.Plant, cell & environment · 2026Article
- Genome-Wide Association Analysis of Gibberellin Sensitivity for Panicle Exsertion Length in Rice and Candidate Gene Identification.Plants (Basel, Switzerland) · 2026Article
- Multi-model GWAS reveals key loci for leaf angle in maize inbred lines from southeast China.BMC plant biology · 2026Article
- The identification of gibberellin 2-oxidase gene family in cotton and functional analysis.BMC plant biology · 2026Article
- Genetic Divergence and Functional Significance of Bioactive Compounds in Rice and Barley: Implications for Biofortification and Human Health.International journal of molecular sciences · 2025Review
- A TFAIII-Type Transcription FactorGenes · 2025Article
- Combining ability and gene action for flowering, plant height, grain size, and yield in rice (Frontiers in plant science · 2025Article
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14 authors.
Funding
Abstract
Panicle elongation length (PEL), which determines panicle exsertion, is an important outcrossing-related trait. Mining genes controlling PEL in rice (Oryza sativa L.) has great practical significance in breeding cytoplasmic male sterility (CMS) lines with increased PEL and simplified, high-efficiency seed production. Genome-wide association studies (GWAS) were performed on the PELs of 440 rice accessions in 2022 and 2023, considering 3.17 million single-nucleotide polymorphisms (SNPs) to detect the effects of different genes on PEL. A total of five quantitative trait loci (QTLs) significantly associated with PEL were detected in both years by using the general linear model (GLM) and the mixed linear model (MLM). Notably, our study identified a previously unreported QTL, qPE2.1. Three candidate genes associated with PEL were predicted by non-synonymous SNPs and functional annotation. We characterize one gibberellin (GA)-related gene, LOC_Os02g41954 (OsGA2ox9), which encodes gibberellin 2-beta-dioxygenase 7 located in the cell membrane and nucleus. Gibberellin 2-oxidase (GA2ox) has been reported to control GA levels by inactivating GA via 2-β hydroxylation. Compared with the short PELs of wild plants, mutant plants with Cas9-induced knockout (KO) of OsGA2ox9 exhibit long PELs. Therefore, OsGA2ox9 was identified as the key gene controlling PEL in rice. Haplotype analysis showed that the two polymorphisms of HapD cause amino acid residue changes from phenylalanine to leucine (F/L
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