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Article

The OsbZIP35-COR1-OsTCP19 module modulates cell proliferation to regulate grain length and weight in rice.

Science advances - 12 Sept 2025

Xu Penghui, Khan Najeeb Ullah, Wang Haozhen, Zhao Yong, Xu Bingxia, Hu Qianfeng, Pan Yinghua, Li Danting, Li Junzhou, Sun Xingming, Li Jinjie, Zhang Hongliang, Li Zichao, Zhang Zhanying

Abstract excerpt

Grain size substantially influences rice quality and yield. In this study, we identified CONTROL OF SLENDER RICE 1 (COR1), a quantitative trait locus encoding an F-box protein that enhances grain length by promoting cell proliferation. The transcription factor OsbZIP35 represses COR1 expression, while COR1 interacts with OsTCP19, leading to its degradation. Knockout of either OsbZIP35 or OsTCP19 results in...

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Topics

Oryza
Cell Proliferation
Plant Proteins
Quantitative Trait Loci
Gene Expression Regulation, Plant

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Edible Grain

Haplotypes

Transcription Factors

Phenotype

Alleles

Source

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Identifiers

PMID: 40929276
DOI: 10.1126/sciadv.adx9815
PMCID: PMC12422201

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