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Article

The GSK3/SHAGGY-like OsGSK3 phosphorylates and inhibits phase separation of OsFCA at Ser-43 and Ser-45 to regulate brassinosteroid signaling and rice architecture.

The New phytologist - 1 Aug 2026

Zhang Jiaqi, Wang Fan, Zhang Sijia, Yu Qian, Dong Qimiao, Li Jianbo, Wei Xianglei, Du Huaying, Shen Ye, Mu Rong, Jia Yanxiao, Cheng Jinping, Zhang Hongsheng, Huang Ji, Gao Xiuying

Abstract excerpt

Brassinosteroid (BR) signaling plays a critical role in rice (Oryza sativa L.) grain development. GLYCOGEN SYNTHASE KINASE 3 (OsGSK3), a negative regulator of BR signaling, suppresses the transcriptional activity of OsBZR1 through phosphorylation. In this study, we employed a phosphoproteomic approach to construct an OsGSK3-mediated regulatory network. Within this network, we identified FLOWERING CONTROL LOCUS A...

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PMID: 42244175
DOI: 10.1111/nph.71320
PMCID: PMC13373847

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RFT1

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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The GSK3/SHAGGY-like OsGSK3 phosphorylates and inhibits phase separation of OsFCA at Ser-43 and Ser-45 to regulate brassinosteroid signaling and rice architecture.PMID 42244175Read ↗

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