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The U-box E3 ubiquitin ligase PUB35 negatively regulates ABA signaling through AFP1-mediated degradation of ABI5.

The Plant cell - 3 Sept 2024

Du Chang, Liu Meng, Yan Yujie, Guo Xiaoyu, Cao Xiuping, Jiao Yuzhe, Zheng Jiexuan, Ma Yanchun, Xie Yuting, Li Hongbo, Yang Chengwei, Gao Caiji, Zhao Qingzhen, Zhang Zhonghui

Abstract excerpt

Abscisic acid (ABA) signaling is crucial for plant responses to various abiotic stresses. The Arabidopsis (Arabidopsis thaliana) transcription factor ABA INSENSITIVE 5 (ABI5) is a central regulator of ABA signaling. ABI5 BINDING PROTEIN 1 (AFP1) interacts with ABI5 and facilitates its 26S-proteasome-mediated degradation, although the detailed mechanism has remained unclear. Here, we report that an ABA-responsive...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 38924024
DOI: 10.1093/plcell/koae194
PMCID: PMC11371175

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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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The U-box E3 ubiquitin ligase PUB35 negatively regulates ABA signaling through AFP1-mediated degradation of ABI5.PMID 38924024Read ↗

BRUTUS-LIKE1 (BTSL1) and BTSL2 repress abscisic acid responses during early seedling growth by targeting ABI5 for degradation.Semantic proximity Read ↗

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Direct targets of the transcription factors ABA-Insensitive(ABI)4 and ABI5 reveal synergistic action by ABI4 and several bZIP ABA response factors.Semantic proximity Read ↗

Loss-of-function of ARABIDOPSIS F-BOX PROTEIN HYPERSENSITIVE TO ABA 1 enhances drought tolerance and delays germination.Semantic proximity Read ↗

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The inhibitory effect of ABA on floral transition is mediated by ABI5 in Arabidopsis.Semantic proximity Read ↗

Sumoylation of ABI5 by the Arabidopsis SUMO E3 ligase SIZ1 negatively regulates abscisic acid signaling.Semantic proximity Read ↗

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