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Article

Arabidopsis SON1 is an F-box protein that regulates a novel induced defense response independent of both salicylic acid and systemic acquired resistance.

The Plant cell - 1 Jul 2002

Kim Han Suk, Delaney Terrence P

Abstract excerpt

One of several induced defense responses in plants is systemic acquired resistance (SAR), which is regulated by salicylic acid and in Arabidopsis by the NIM1/NPR1 protein. To identify additional components of the SAR pathway or other genes that regulate SAR-independent resistance, we performed genetic suppressor screens of mutagenized nim1-1 seedlings, which are highly susceptible to infection by Peronospora...

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Identifiers

PMID: 12119368
DOI: 10.1105/tpc.001867
PMCID: PMC150700

Genes

NPR1

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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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Research trail→

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Arabidopsis SON1 is an F-box protein that regulates a novel induced defense response independent of both salicylic acid and systemic acquired resistance.PMID 12119368Read ↗

Over-expression of TGA5, which encodes a bZIP transcription factor that interacts with NIM1/NPR1, confers SAR-independent resistance in Arabidopsis thaliana to Peronospora parasitica.Semantic proximity Read ↗

NIM1 overexpression in Arabidopsis potentiates plant disease resistance and results in enhanced effectiveness of fungicides.Semantic proximity Read ↗

The Arabidopsis NIM1 protein shows homology to the mammalian transcription factor inhibitor I kappa B.Semantic proximity Read ↗

The cpr5 mutant of Arabidopsis expresses both NPR1-dependent and NPR1-independent resistance.Semantic proximity Read ↗

Activation of an EDS1-mediated R-gene pathway in the snc1 mutant leads to constitutive, NPR1-independent pathogen resistance.Semantic proximity Read ↗

NONEXPRESSOR OF PATHOGENESIS-RELATED PROTEINS1 (NPR1) and some NPR1-related proteins are sensitive to salicylic acid.Semantic proximity Read ↗

Harpin induces disease resistance in Arabidopsis through the systemic acquired resistance pathway mediated by salicylic acid and the NIM1 gene.Semantic proximity Read ↗

Interaction of NIMIN1 with NPR1 modulates PR gene expression in Arabidopsis.Semantic proximity Read ↗

A recessive mutation in the Arabidopsis SSI2 gene confers SA- and NPR1-independent expression of PR genes and resistance against bacterial and oomycete pathogens.Semantic proximity Read ↗

Functional analysis of a TGA factor-binding site located in the promoter region controlling salicylic acid-induced NIMIN-1 expression in Arabidopsis.Semantic proximity Read ↗

A gain-of-function mutation in an Arabidopsis Toll Interleukin1 receptor-nucleotide binding site-leucine-rich repeat type R gene triggers defense responses and results in enhanced disease resistance.Semantic proximity Read ↗

A putative nucleoporin 96 Is required for both basal defense and constitutive resistance responses mediated by suppressor of npr1-1,constitutive 1.Semantic proximity Read ↗

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