DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Phytosulfokine downregulates defense‐related WRKY transcription factors and attenuates pathogen‐associated molecular pattern‐triggered immunity

Journal Article · · The Plant Journal
DOI: https://doi.org/10.1111/tpj.17115 · OSTI ID:2480979
ORCiD logo [1];  [2];  [3];  [2]
  1. Biochemistry and Molecular Biophysics The University of Chicago Chicago Illinois 60637 USA
  2. Department of Molecular Genetics and Cell Biology The University of Chicago Chicago Illinois 60637 USA
  3. Biophysical Sciences The University of Chicago Chicago Illinois 60637 USA

SUMMARY Phytosulfokine (PSK) is a plant growth‐promoting peptide hormone that is perceived by its cell surface receptors PSKR1 and PSKR2 in Arabidopsis. Plants lacking the PSK receptors show phenotypes consistent with PSK signaling repressing some plant defenses. To gain further insight into the PSK signaling mechanism, comprehensive transcriptional profiling of Arabidopsis treated with PSK was performed, and the effects of PSK treatment on plant defense readouts were monitored. Our study indicates that PSK's major effect is to downregulate defense‐related genes; it has a more modest effect on the induction of growth‐related genes. WRKY transcription factors (TFs) emerged as key regulators of PSK‐responsive genes, sharing commonality with a pathogen‐associated molecular pattern (PAMP) responses, flagellin 22 (flg22), but exhibiting opposite regulatory directions. These PSK‐induced transcriptional changes were accompanied by biochemical and physiological changes that reduced PAMP responses, notably mitogen‐activated protein kinase (MPK) phosphorylation (previously implicated in WRKY activation) and the cell wall modification of callose deposition. Comparison with previous studies using other growth stimuli (the sulfated plant peptide containing sulfated tyrosine [PSY] and Pseudomonas simiae strain WCS417) also reveals WRKY TFs' overrepresentations in these pathways, suggesting a possible shared mechanism involving WRKY TFs for plant growth–defense trade‐off.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0019104
OSTI ID:
2480979
Journal Information:
The Plant Journal, Journal Name: The Plant Journal Journal Issue: 6 Vol. 120; ISSN 0960-7412
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United Kingdom
Language:
English

References (68)

Overexpression of phytosulfokine-α induces male sterility and cell growth by regulating cell wall development in Arabidopsis journal September 2016
WRKY transcription factors and plant defense responses: latest discoveries and future prospects journal April 2021
The Arabidopsis ubiquitin ligases ATL31 and ATL6 control the defense response as well as the carbon/nitrogen response journal April 2012
Comparative analysis of PSK peptide growth factor precursor homologs journal August 2002
Peptide signalling in plant development and self/non-self perception journal April 2005
Suppression of ETI by PTI priming to balance plant growth and defense through an MPK3/MPK6-WRKYs-PP2Cs module journal May 2023
The Arabidopsis bZIP transcription factor family — an update journal October 2018
Microbial signature-triggered plant defense responses and early signaling mechanisms journal November 2014
WRKY transcription factors in plant defense journal October 2023
WRKY transcription factors journal May 2010
A flagellin-induced complex of the receptor FLS2 and BAK1 initiates plant defence journal July 2007
Allosteric receptor activation by the plant peptide hormone phytosulfokine journal August 2015
Mapping and quantifying mammalian transcriptomes by RNA-Seq journal May 2008
Systematic and integrative analysis of large gene lists using DAVID bioinformatics resources journal December 2008
PSKR1 balances the plant growth–defence trade-off in the rhizosphere microbiome journal November 2023
Graph-based genome alignment and genotyping with HISAT2 and HISAT-genotype journal August 2019
Linking the network centrality measures closeness and degree journal July 2022
Plants have a sensitive perception system for the most conserved domain of bacterial flagellin: Plants perceive a conserved domain of bacterial flagellin journal May 1999
The receptor-like kinase SERK3/BAK1 is a central regulator of innate immunity in plants journal July 2007
Identification of tyrosylprotein sulfotransferase in Arabidopsis journal September 2009
Clathrin-dependent endocytosis is required for immunity mediated by pattern recognition receptor kinases journal September 2016
Phytosulfokine, sulfated peptides that induce the proliferation of single mesophyll cells of Asparagus officinalis L. journal July 1996
Identification of Ligand Binding Site of Phytosulfokine Receptor by On-column Photoaffinity Labeling journal January 2007
The WRKY Transcription Factor Family in Model Plants and Crops journal November 2017
Callose biosynthesis in arabidopsis with a focus on pathogen response: what we have learned within the last decade journal July 2014
Complex heatmaps reveal patterns and correlations in multidimensional genomic data journal May 2016
Role and mechanisms of callose priming in mycorrhiza-induced resistance journal January 2020
Beneficial rhizobacteria Pseudomonas simiae WCS417 induce major transcriptional changes in plant sugar transport journal August 2020
Tyrosylprotein sulfotransferase-dependent and -independent regulation of root development and signaling by PSK LRR receptor kinases in Arabidopsis journal May 2021
Message in a bottle: small signalling peptide outputs during growth and development journal September 2013
Phytosulfokine peptide signalling journal March 2015
Sulfated plant peptide hormones journal June 2019
Activation of Defense Response Pathways by OGs and Flg22 Elicitors in Arabidopsis Seedlings journal May 2008
The Arabidopsis Information Resource (TAIR): improved gene annotation and new tools journal December 2011
Regulation of the NADPH Oxidase RBOHD During Plant Immunity journal May 2015
Ubiquitylation of PHYTOSULFOKINE RECEPTOR 1 modulates the defense response in tomato journal March 2023
A Suite of Receptor-Like Kinases and a Putative Mechano-Sensitive Channel Are Involved in Autoimmunity and Plasma Membrane–Based Defenses in Arabidopsis journal February 2017
Diversity of Arabidopsis Genes Encoding Precursors for Phytosulfokine, a Peptide Growth Factor journal November 2001
Disruption and Overexpression of Arabidopsis Phytosulfokine Receptor Gene Affects Cellular Longevity and Potential for Growth journal July 2006
Auxin Signaling journal August 2017
Physical and Functional Interactions between Pathogen-Induced Arabidopsis WRKY18, WRKY40, and WRKY60 Transcription Factors journal April 2006
Salicylic Acid Regulates Arabidopsis Microbial Pattern Receptor Kinase Levels and Signaling journal October 2014
Phytosulfokine Regulates Growth in Arabidopsis through a Response Module at the Plasma Membrane That Includes CYCLIC NUCLEOTIDE-GATED CHANNEL17, H+-ATPase, and BAK1 journal June 2015
Induced Genome-Wide Binding of Three Arabidopsis WRKY Transcription Factors during Early MAMP-Triggered Immunity journal December 2016
A MPK3/6-WRKY33-ALD1-Pipecolic Acid Regulatory Loop Contributes to Systemic Acquired Resistance journal September 2018
Proteolytic processing of a precursor protein for a growth‐promoting peptide by a subtilisin serine protease in Arabidopsis journal October 2008
PSK‐α promotes root growth in Arabidopsis journal December 2008
Callose metabolism and the regulation of cell walls and plasmodesmata during plant mutualistic and pathogenic interactions journal December 2022
The tyrosine-sulfated peptide receptors PSKR1 and PSY1R modify the immunity of Arabidopsis to biotrophic and necrotrophic pathogens in an antagonistic manner journal November 2012
Phytosulfokine control of growth occurs in the epidermis, is likely to be non‐cell autonomous and is dependent on brassinosteroids journal December 2012
Kinase activity and calmodulin binding are essential for growth signaling by the phytosulfokine receptor PSKR1 journal March 2014
An LRR Receptor Kinase Involved in Perception of a Peptide Plant Hormone, Phytosulfokine journal May 2002
Metabolic Diversification--Independent Assembly of Operon-Like Gene Clusters in Different Plants journal April 2008
Structural Basis for flg22-Induced Activation of the Arabidopsis FLS2-BAK1 Immune Complex journal October 2013
Peptide ligand-mediated trade-off between plant growth and stress response journal October 2022
Posttranslationally Modified Small-Peptide Signals in Plants journal April 2014
Functional analysis of Arabidopsis immune-related MAPKs uncovers a role for MPK3 as negative regulator of inducible defences journal January 2014
Calcium is the switch in the moonlighting dual function of the ligand-activated receptor kinase phytosulfokine receptor 1 journal September 2014
Moderated estimation of fold change and dispersion for RNA-seq data with DESeq2 journal December 2014
Gibberellin signaling in plants journal February 2013
ESCRT-I Mediates FLS2 Endosomal Sorting and Plant Immunity journal December 2013
Phytosulfokine-α Controls Hypocotyl Length and Cell Expansion in Arabidopsis thaliana through Phytosulfokine Receptor 1 journal June 2011
Loss of Arabidopsis thaliana Dynamin-Related Protein 2B Reveals Separation of Innate Immune Signaling Pathways journal December 2014
Sustained mitogen-activated protein kinase activation reprograms defense metabolism and phosphoprotein profile in Arabidopsis thaliana journal October 2014
Regulation of WRKY46 Transcription Factor Function by Mitogen-Activated Protein Kinases in Arabidopsis thaliana journal February 2016
Moonlighting Proteins and Their Role in the Control of Signaling Microenvironments, as Exemplified by cGMP and Phytosulfokine Receptor 1 (PSKR1) journal March 2018
Regulation and Function of Defense-Related Callose Deposition in Plants journal February 2021
Induced Endocytosis of the Receptor Kinase FLS2 journal November 2006