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Article

Genetic interaction and phenotypic analysis of the Arabidopsis MAP kinase pathway mutations mekk1 and mpk4 suggests signaling pathway complexity.

FEBS letters - 10 Jul 2007

Su Shih-Heng, Suarez-Rodriguez Maria Cristina, Krysan Patrick

Abstract excerpt

It has been shown that the Arabidopsis MEK kinase MEKK1 acts upstream of the MAP kinase MPK4 to negatively regulate salicylic acid-dependent defense-response pathways. Here, we report that the mekk1;mpk4 double-mutant combination causes seedling lethality. In addition, we demonstrate that mekk1 and mpk4 single-mutant plants have significantly different phenotypes. mekk1 plants are defective for lateral root...

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Source

Identifiers

PMID: 17572407
DOI: 10.1016/j.febslet.2007.05.083

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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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