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Palea and grain shrunken encoding OsMADS15 determines palea identity to affect rice grain yield and quality.

Journal of genetics and genomics = Yi chuan xue bao - 1 Jun 2026

Jin Di, Yang Chao-Yue, Liu Xiao, Lan Jin-Song, Jiang Tao, Chen Hao, Zhang Jia-Ying, Jiang Yu-Tong, Peng Bo-Ran, Wang Liu-Jing, He Guang-Hua, Wang Nan, Li Yun-Feng, Zhuang Hui

Abstract excerpt

The hull, composed of the lemma and palea, defines rice grain morphology and influences endosperm filling and quality. However, how palea development affects grain filling and quality remains poorly understood. Here, we identify a rice mutant, palea and grain shrunken 1 (pgs1), which exhibits a markedly reduced palea and elongated sterile lemmas. MutMap-based cloning reveals that PGS1 encodes the MADS-box...

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PMID: 42067056
DOI: 10.1016/j.jgg.2026.04.019

Genes

PGS1

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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