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Article

The Arabidopsis RING finger E3 ligase RHA2a is a novel positive regulator of abscisic acid signaling during seed germination and early seedling development.

Plant physiology - 1 May 2009

Bu Qingyun, Li Hongmei, Zhao Qingzhen, Jiang Hongling, Zhai Qingzhe, Zhang Jie, Wu Xiaoyan, Sun Jiaqiang, Xie Qi, Wang Daowen, Li Chuanyou

Abstract excerpt

The phytohormone abscisic acid (ABA) is well known for its regulatory roles in integrating environmental constraints with the developmental programs of plants. Here, we characterize the biological function of the Arabidopsis (Arabidopsis thaliana) RING-H2 protein RHA2a in ABA signaling. The rha2a...

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Identifiers

PMID: 19286935
DOI: 10.1104/pp.109.135269
PMCID: PMC2675735

Genes

ABI3

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026. Prepared record publication-19286935-2026-09-02.2. Manifest publication-graph-cohort-2026-09-02.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 2 Sept 2026.

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The Arabidopsis RING finger E3 ligase RHA2a is a novel positive regulator of abscisic acid signaling during seed germination and early seedling development.PMID 19286935Read ↗

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ABA-Hypersensitive Germination1 encodes a protein phosphatase 2C, an essential component of abscisic acid signaling in Arabidopsis seed.Semantic proximity Read ↗

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