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Article

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

Proceedings of the National Academy of Sciences of the United States of America - 31 Mar 2009

Miura Kenji, Lee Jiyoung, Jin Jing Bo, Yoo Chan Yul, Miura Tomoko, Hasegawa Paul M

Abstract excerpt

SUMO (small ubiquitin-related modifier) conjugation (i.e., sumoylation) to protein substrates is a reversible posttranslational modification that regulates signaling by modulating transcription factor activity. This paper presents evidence that the SUMO E3 ligase SIZ1 negatively regulates abscisic acid (ABA) signaling, which is dependent on the bZIP transcripton factor ABI5. Loss-of-function T-DNA insertion...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

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Identifiers

PMID: 19276109
DOI: 10.1073/pnas.0811088106
PMCID: PMC2664011

Genes

RAB18

Provenance

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.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Sumoylation of ABI5 by the Arabidopsis SUMO E3 ligase SIZ1 negatively regulates abscisic acid signaling.PMID 19276109Read ↗

The Arabidopsis E3 SUMO ligase SIZ1 regulates plant growth and drought responses.Semantic proximity Read ↗

The Arabidopsis abscisic acid response gene ABI5 encodes a basic leucine zipper transcription factor.Semantic proximity Read ↗

Specific domain structures control abscisic acid-, salicylic acid-, and stress-mediated SIZ1 phenotypes.Semantic proximity Read ↗

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

Arabidopsis SUMO E3 Ligase SIZ1 Interacts with HDA6 and Negatively Regulates HDA6 Function during Flowering.Semantic proximity Read ↗

MMS21/HPY2 and SIZ1, two Arabidopsis SUMO E3 ligases, have distinct functions in development.Semantic proximity Read ↗

SDIR1 is a RING finger E3 ligase that positively regulates stress-responsive abscisic acid signaling in Arabidopsis.Semantic proximity Read ↗

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

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 ↗

Arabidopsis nitrate reductase activity is stimulated by the E3 SUMO ligase AtSIZ1.Semantic proximity Read ↗

A novel abi5 allele reveals the importance of the conserved Ala in the C3 domain for regulation of downstream genes and salt tolerance during germination 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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