Degradation of the ABA co-receptor ABI1 by PUB12/13 U-box E3 ligases.

doi:10.1038/ncomms9630

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Article

Degradation of the ABA co-receptor ABI1 by PUB12/13 U-box E3 ligases.

Nature communications - 20 Oct 2015

Kong Lingyao, Cheng Jinkui, Zhu Yujuan, Ding Yanglin, Meng Jingjing, Chen Zhizhong, Xie Qi, Guo Yan, Li Jigang, Yang Shuhua, Gong Zhizhong

Abstract excerpt

Clade A protein phosphatase 2Cs (PP2Cs) are abscisic acid (ABA) co-receptors that block ABA signalling by inhibiting the downstream protein kinases. ABA signalling is activated after PP2Cs are inhibited by ABA-bound PYR/PYL/RCAR ABA receptors (PYLs) in Arabidopsis. However, whether these PP2Cs are regulated by other factors remains unknown. Here, we report that ABI1 (ABA-INSENSITIVE 1) can interact with the U-box...

Topics

Abscisic Acid
Arabidopsis
Arabidopsis Proteins
Mutation
Phosphoprotein Phosphatases
Proteasome Endopeptidase Complex
Signal Transduction
Ubiquitin-Protein Ligases

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Open in PubMed Open full text

Identifiers

PMID: 26482222
DOI: 10.1038/ncomms9630
PMCID: PMC4667695

Genes

ABI1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026.

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