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Article

The chloroplast pentatricopeptide repeat protein RCN22 regulates tiller number in rice by affecting sugar levels via the TB1-RCN22-RbcL module.

Plant communications - 9 Dec 2024

Mo Tianyu, Wang Tianhao, Sun Yinglu, Kumar Ashmit, Mkumbwa Humphrey, Fang Jingjing, Zhao Jinfeng, Yuan Shoujiang, Li Zichao, Li Xueyong

Abstract excerpt

As an important yield component, rice tiller number controls panicle number and determines grain yield. Regulation of rice tiller number by chloroplast pentatricopeptide repeat (PPR) proteins has not been reported previously. Here, we report the rice reduced culm number22 (rcn22) mutant, which produces few tillers owing to suppressed tiller bud elongation. Map-based cloning revealed that RCN22 encodes a...

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Identifiers

PMID: 39205390
DOI: 10.1016/j.xplc.2024.101073
PMCID: PMC11671761

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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