A novel receptor-like kinase involved in fungal pathogen defence in Arabidopsis thaliana

Justin Ray, Xin Yang, Feng Kong, Tingwei Guo, Fengyan Deng, Steven J Clough, Katrina Ramonell

Research output: Contribution to journalArticle

Abstract

Plants are under constant attack from a variety of disease-causing organisms. Lacking an adaptive immune system, plants repel pathogen attack via an array of pathogen recognition machinery. Receptor-like kinases (RLKs) are involved in the recognition of pathogen-associated molecular patterns (PAMPs) and activate resistance pathways against broad classes of pathogens. We have identified powdery mildew-resistant kinase 1, an Arabidopsis gene encoding an RLK that is highly induced by chitin at early time points and localizes to the plasma membrane. Knockout mutants in pmrk1 are more susceptible to both Golovinomyces cichoracearum and Plectosphaerella cucumerina. Our data show that PMRK1 is essential in early stages of defence against fungi and provide evidence that PMRK1 may be unique to chitin-induced signalling pathways. The results of this study indicate that PMRK1 is a critical component of plant innate immunity against fungal pathogens.

Original languageEnglish (US)
Pages (from-to)506-515
Number of pages10
JournalJournal of Phytopathology
Volume166
Issue number7-8
DOIs
StatePublished - Aug 2018

Fingerprint

Plant Immunity
Arabidopsis
phosphotransferases (kinases)
Chitin
Phosphotransferases
Arabidopsis thaliana
receptors
pathogens
chitin
Innate Immunity
knockout mutants
Fungi
powdery mildew
Cell Membrane
plant pathogens
plasma membrane
Genes
fungi
organisms
genes

Keywords

  • Arabidopsis thaliana
  • Golovinomyces cichoracearum
  • chitin
  • pathogen-associated molecular patterns
  • receptor-like kinase

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Genetics
  • Plant Science

Cite this

A novel receptor-like kinase involved in fungal pathogen defence in Arabidopsis thaliana. / Ray, Justin; Yang, Xin; Kong, Feng; Guo, Tingwei; Deng, Fengyan; Clough, Steven J; Ramonell, Katrina.

In: Journal of Phytopathology, Vol. 166, No. 7-8, 08.2018, p. 506-515.

Research output: Contribution to journalArticle

Ray, Justin ; Yang, Xin ; Kong, Feng ; Guo, Tingwei ; Deng, Fengyan ; Clough, Steven J ; Ramonell, Katrina. / A novel receptor-like kinase involved in fungal pathogen defence in Arabidopsis thaliana. In: Journal of Phytopathology. 2018 ; Vol. 166, No. 7-8. pp. 506-515.
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