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Article

COP1 promotes ABA-induced stomatal closure by modulating the abundance of ABI/HAB and AHG3 phosphatases.

The New phytologist - 1 Feb 2021

Chen Qingbin, Bai Ling, Wang Wenjing, Shi Huazhong, Ramón Botella José, Zhan Qidi, Liu Kang, Yang Hong-Quan, Song Chun-Peng

Abstract excerpt

Plant stomata play a crucial role in leaf function, controlling water transpiration in response to environmental stresses and modulating the gas exchange necessary for photosynthesis. The phytohormone abscisic acid (ABA) promotes stomatal closure and inhibits light-induced stomatal opening. The Arabidopsis thaliana E3 ubiquitin ligase COP1 functions in ABA-mediated stomatal closure. However, the underlying...

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Identifiers

PMID: 33048351
DOI: 10.1111/nph.17001
PMCID: PMC7898331

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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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COP1 promotes ABA-induced stomatal closure by modulating the abundance of ABI/HAB and AHG3 phosphatases.PMID 33048351Read ↗

The UBC27-AIRP3 ubiquitination complex modulates ABA signaling by promoting the degradation of ABI1 in Arabidopsis.Semantic proximity Read ↗

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

EAR1 Negatively Regulates ABA Signaling by Enhancing 2C Protein Phosphatase Activity.Semantic proximity Read ↗

Two E-clade protein phosphatase 2Cs enhance ABA signaling by dephosphorylating ABI1 in Arabidopsis.Semantic proximity Read ↗

The Arabidopsis C3H2C3-type RING E3 ubiquitin ligase AtAIRP1 is a positive regulator of an abscisic acid-dependent response to drought stress.Semantic proximity Read ↗

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Functional analyses of the ABI1-related protein phosphatase type 2C reveal evolutionarily conserved regulation of abscisic acid signaling between Arabidopsis and the moss Physcomitrella patens.Semantic proximity Read ↗

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PYR/PYL/RCAR family members are major in-vivo ABI1 protein phosphatase 2C-interacting proteins in Arabidopsis.Semantic proximity Read ↗

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