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Cited by 397

The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.

Arabidopsis MAP kinase 4 regulates salicylic acid‐ and jasmonic acid/ethylene‐dependent responses via EDS1 and PAD4

Open access
Brodersen, Peter, Petersen, Morten, Bjørn Nielsen, Henrik, Zhu, Shijiang, Newman, Mari‐Anne, Shokat, Kevan M., Rietz, Steffen, Parker, Jane, Mundy, John·2006·The Plant Journal

Abstract

Summary: Arabidopsis MPK4 has been implicated in plant defense regulation because mpk4 knockout plants exhibit constitutive activation of salicylic acid (SA)‐dependent defenses, but fail to induce jasmonic acid (JA) defense marker genes in response to JA. We show here that mpk4 mutants are also defective in defense gene induction in response to ethylene (ET), and that they are more susceptible than wild‐type (WT) to Alternaria brassicicola that induces the ET/JA defense pathway(s). Both SA‐repressing and ET/JA‐(co)activating functions depend on MPK4 kinase activity and involve the defense regulators EDS1 and PAD4, as mutations in these genes suppress de‐repression of the SA pathway and suppress the block of the ET/JA pathway in mpk4. EDS1/PAD4 thus affect SA–ET/JA signal antagonism as activators of SA but as repressors of ET/JA defenses, and MPK4 negatively regulates both of these functions. We also show that the MPK4–EDS1/PAD4 branch of ET defense signaling is independent of the ERF1 transcription factor, and use comparative microarray analysis of ctr1, ctr1/mpk4, mpk4 and WT to show that MPK4 is required for induction of a small subset of ET‐regulated genes. The regulation of some, but not all, of these genes involves EDS1 and PAD4.

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Crossref · 10.1111/j.1365-313x.2006.02806.x

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Metadata

Authors
Brodersen, P., Petersen, M., Bjørn Nielsen, H., Zhu, S., Newman, M., Shokat, K. M., Rietz, S., Parker, J., & Mundy, J.
Venue
The Plant Journal
Publisher
Wiley
Published
2006-07-10
Volume
47
Issue
4
Pages
532-546
ISSN
  • 0960-7412 (ISSN-L)
  • 1365-313X
OpenAlex
W2095962396
Cited by
397
References
61
FWCI
29.82
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Arabidopsis MAP kinase 4 regulates salicylic acid‐ and jasmonic acid/ethylene‐dependent responses via EDS1 and PAD4. https://app.cochat.ai/papers/10.1111/j.1365-313x.2006.02806.x
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Brodersen, P., Petersen, M., Bjørn Nielsen, H., Zhu, S., Newman, M., Shokat, K. M., Rietz, S., Parker, J., & Mundy, J. (2006). Arabidopsis MAP kinase 4 regulates salicylic acid‐ and jasmonic acid/ethylene‐dependent responses via EDS1 and PAD4. The Plant Journal. https://doi.org/10.1111/j.1365-313x.2006.02806.x

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