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Article

Protein phosphatase activity of abscisic acid insensitive 1 (ABI1) protein from Arabidopsis thaliana.

European journal of biochemistry - 1 Oct 1996

Bertauche N, Leung J, Giraudat J

Abstract excerpt

Mutations at the ABI1 (abscisic acid insensitive 1) locus of the plant Arabidopsis thaliana cause a reduction in sensitivity to the plant hormone abscisic acid. The sequence of ABI1 predicts a protein composed of an N-terminal domain that contains motifs for an EF-hand Ca(2+)-binding site, and a C-terminal domain with similarities to protein serine/threonine phosphatases 2C. We report here two sets of...

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Source

Identifiers

PMID: 8898906
DOI: 10.1111/j.1432-1033.1996.0193t.x

Genes

ABI1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Protein phosphatase activity of abscisic acid insensitive 1 (ABI1) protein from Arabidopsis thaliana.PMID 8898906Read ↗

The ABI1 and ABI2 protein phosphatases 2C act in a negative feedback regulatory loop of the abscisic acid signalling pathway.Semantic proximity Read ↗

Arabidopsis ABA response gene ABI1: features of a calcium-modulated protein phosphatase.Semantic proximity Read ↗

The role of ABI1 in abscisic acid signal transduction: from gene to cell.Semantic proximity Read ↗

A protein phosphatase 2C involved in ABA signal transduction in Arabidopsis thaliana.Semantic proximity Read ↗

The Arabidopsis ABSCISIC ACID-INSENSITIVE2 (ABI2) and ABI1 genes encode homologous protein phosphatases 2C involved in abscisic acid signal transduction.Semantic proximity Read ↗

ABI1 protein phosphatase 2C is a negative regulator of abscisic acid signaling.Semantic proximity Read ↗

Gain-of-function and loss-of-function phenotypes of the protein phosphatase 2C HAB1 reveal its role as a negative regulator of abscisic acid signalling.Semantic proximity Read ↗

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 ↗

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

Ectopic expression of mutated type 2C protein phosphatase OsABI-LIKE2 decreases abscisic acid sensitivity in Arabidopsis and rice.Semantic proximity Read ↗

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

A protein phosphatase 2A catalytic subunit is a negative regulator of abscisic acid signalling.Semantic proximity Read ↗

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