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Article

The magnesium-chelatase H subunit binds abscisic acid and functions in abscisic acid signaling: new evidence in Arabidopsis.

Plant physiology - 1 Aug 2009

Wu Fu-Qing, Xin Qi, Cao Zheng, Liu Zhi-Qiang, Du Shu-Yuan, Mei Chao, Zhao Chen-Xi, Wang Xiao-Fang, Shang Yi, Jiang Tao, Zhang Xiao-Feng, Yan Lu, Zhao Rui, Cui Zi-Ning, Liu Rui, Sun Hai-Li, Yang Xin-Ling, Su Zhen, Zhang Da-Peng

Abstract excerpt

Using a newly developed abscisic acid (ABA)-affinity chromatography technique, we showed that the magnesium-chelatase H subunit ABAR/CHLH (for putative abscisic acid receptor/chelatase H subunit) specifically binds ABA through the C-terminal half but not the N-terminal half. A set of potential agonists/antagonists to ABA, including 2-trans,4-trans-ABA, gibberellin, cytokinin-like regulator 6-benzylaminopurine,...

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Identifiers

PMID: 19535472
DOI: 10.1104/pp.109.140731
PMCID: PMC2719140

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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