ArticlePlant communications2023
MYB44 regulates PTI by promoting the expression of EIN2 and MPK3/6 in Arabidopsis.
Article in Plant communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 47 citations in OpenAlex.
- Transcriptome-wide identification of R2R3-MYB protein family and functional analysis of CpMYB44 in Cyclocarya paliurus during Colletotrichum fructicola infection.Pest management science · 2026Article
- MYB Factors: Hubs of Plant Stress and Hormone Crosstalk.Plant biotechnology journal · 2026Review
- A TaMYB2-TaMAP3K17 module enhances drought tolerance by promoting reactive oxygen species scavenging in wheat.aBIOTECH · 2026Article
- Proline Dehydrogenase GeneJournal of fungi (Basel, Switzerland) · 2026Article
- Decoding MAPK cascades in plant immunity: Activation, regulation, integration, and pathogen manipulation.Journal of integrative plant biology · 2026Review
- Histone demethylase CsJMJ12 enhances resistance of Navel orange to Penicillium digitatum via H3K27me3 demethylation.Journal of advanced research · 2026Article
- The fungi effector VmRnt2 fromHorticulture research · 2026Article
- VDAL enhances wheat resistance to Fusarium graminearum by modulating defense signaling and reducing deoxynivalenol accumulation.BMC genomics · 2026Article
- Comparative transcriptome analysis unravels genotype-specific defense strategies in anthracnose-resistant and susceptible litchi cultivars.Scientific reports · 2026Article
- MPK3 as a Signalling Hub in Plants: Integrating Plant Growth, Development and Stress Response.Plants (Basel, Switzerland) · 2026Article
- LcMYB306 regulates litchi fruit water loss and browning by inhibiting the expression ofHorticulture research · 2026Article
- The VlMYB149-VlHIPP30 Regulatory Module Enhances Grapevine Resistance to Botrytis cinerea by Activating the Antioxidant System and Copper Metabolism.Molecular plant pathology · 2026Article
- RNA-binding proteins orchestrating immunity in plants.The Plant journal : for cell and molecular biology · 2025Review
- Transcriptomic Identification of Long Noncoding RNAs Modulating MPK3/MPK6-Centered Immune Networks in Arabidopsis.International journal of molecular sciences · 2025Article
- The ZjMYB44-ZjPOD51 module enhances jujube defense response against phytoplasma by upregulating lignin biosynthesis.Horticulture research · 2025Article
- Identification of R2R3-MYB Gene Family and Functional Analysis of Responses of S22 Subfamily to Abiotic Stresses in Dandelion (International journal of molecular sciences · 2025Article
- Paclobutrazol induces triterpenoid biosynthesis via downregulation of the negative transcriptional regulator SlMYB in Sanghuangporus lonicericola.Communications biology · 2025Article
- SoNAC72-SoMYB44/SobHLH130 module contributes to flower color fading via regulating anthocyanin biosynthesis by directly binding to theHorticulture research · 2025Article
- Tomato mitogen-activated protein kinase: mechanisms of adaptation in response to biotic and abiotic stresses.Frontiers in plant science · 2025Review
- Identification of MAPK Genes inInternational journal of molecular sciences · 2024Article
Corrections and comments
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Authors and funding
17 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The plant signaling pathway that regulates pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) involves mitogen-activated protein kinase (MAPK) cascades that comprise sequential activation of several protein kinases and the ensuing phosphorylation of MAPKs, which activate transcription factors (TFs) to promote downstream defense responses. To identify plant TFs that regulate MAPKs, we investigated TF-defective mutants of Arabidopsis thaliana and identified MYB44 as an essential constituent of the PTI pathway. MYB44 confers resistance against the bacterial pathogen Pseudomonas syringae by cooperating with MPK3 and MPK6. Under PAMP treatment, MYB44 binds to the promoters of MPK3 and MPK6 to activate their expression, leading to phosphorylation of MPK3 and MPK6 proteins. In turn, phosphorylated MPK3 and MPK6 phosphorylate MYB44 in a functionally redundant manner, thus enabling MYB44 to activate MPK3 and MPK6 expression and further activate downstream defense responses. Activation of defense responses has also been attributed to activation of EIN2 transcription by MYB44, which has previously been shown to affect PAMP recognition and PTI development. AtMYB44 thus functions as an integral component of the PTI pathway by connecting transcriptional and posttranscriptional regulation of the MPK3/6 cascade.
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