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Article

AXR1 promotes the Arabidopsis cytokinin response by facilitating ARR5 proteolysis.

The Plant journal : for cell and molecular biology - 1 Apr 2013

Li Yan, Kurepa Jasmina, Smalle Jan

Abstract excerpt

The plant hormone cytokinin plays essential roles in many aspects of growth and development. The cytokinin signal is transmitted by a multi-step phosphorelay to the members of two functionally antagonistic classes of Arabidopsis response regulators (ARRs): type B ARRs (response activators) and type A ARRs (negative-feedback regulators). Previous studies have shown that mutations in AXR1, encoding a subunit of the...

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Identifiers

PMID: 23279608
DOI: 10.1111/tpj.12098

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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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AXR1 promotes the Arabidopsis cytokinin response by facilitating ARR5 proteolysis.PMID 23279608Read ↗

Proteasome-dependent proteolysis has a critical role in fine-tuning the feedback inhibition of cytokinin signaling.Semantic proximity Read ↗

Cytokinin signaling stabilizes the response activator ARR1.Semantic proximity Read ↗

Genome-wide comparative analysis of type-A Arabidopsis response regulator genes by overexpression studies reveals their diverse roles and regulatory mechanisms in cytokinin signaling.Semantic proximity Read ↗

Arabidopsis ROCK1 transports UDP-GlcNAc/UDP-GalNAc and regulates ER protein quality control and cytokinin activity.Semantic proximity Read ↗

The ubiquitin-related protein RUB1 and auxin response in Arabidopsis.Semantic proximity Read ↗

AXR1-ECR1 and AXL1-ECR1 heterodimeric RUB-activating enzymes diverge in function in Arabidopsis thaliana.Semantic proximity Read ↗

Attenuation of cytokinin signaling via proteolysis of a type-B response regulator.Semantic proximity Read ↗

AXR1-ECR1-dependent conjugation of RUB1 to the Arabidopsis Cullin AtCUL1 is required for auxin response.Semantic proximity Read ↗

A subset of Arabidopsis AP2 transcription factors mediates cytokinin responses in concert with a two-component pathway.Semantic proximity Read ↗

Arabidopsis auxin-resistance gene AXR1 encodes a protein related to ubiquitin-activating enzyme E1.Semantic proximity Read ↗

Arabidopsis response regulator, ARR22, ectopic expression of which results in phenotypes similar to the wol cytokinin-receptor mutant.Semantic proximity Read ↗

AtRAE1 is involved in degradation of ABA receptor RCAR1 and negatively regulates ABA signalling in Arabidopsis.Semantic proximity Read ↗

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