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Article

Regulation of shoot gravitropism and branching angle by the GRV2-SAC1 axis in Arabidopsis.

The Plant journal : for cell and molecular biology - 1 Jul 2026

Sun Lianghanxiao, Jia Wenxin, Mao Yanbo, Li Xin, Kong Mengjuan, She Ji, Friml Jiří, Tan Shutang

Abstract excerpt

Gravitropism is a fundamental adaptive response in plants that enables directional growth to optimize resource acquisition. In this study, we employed forward genetic screening to identify Arabidopsis mutants with defective hypocotyl gravitropism and isolated the short and agravitropic hypocotyl in dark1 (sad1) mutant, which carries a point mutation (G110E) in the SAC1 gene encoding a phosphoinositide...

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Identifiers

PMID: 42438075
DOI: 10.1111/tpj.71042
PMCID: PMC13358031

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

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Regulation of shoot gravitropism and branching angle by the GRV2-SAC1 axis in Arabidopsis.PMID 42438075Read ↗

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