The N-end rule pathway regulates pathogen responses in plants

De Marchi, Rémi and Sorel, Maud and Mooney, Brian and Fudal, Isabelle and Goslin, Kevin and Kwasniewska, Kamila and Ryan, Patrick T. and Pfalz, Marina and Kroymann, Juergen and Pollmann, Stephan and Feechan, Angela and Wellmer, Frank and Rivas, Susana and Graciet, Emmanuelle (2016). The N-end rule pathway regulates pathogen responses in plants. "Scientific Reports", v. 6 ; pp. 1-15. ISSN 2045-2322. https://doi.org/10.1038/srep26020.

Description

Title: The N-end rule pathway regulates pathogen responses in plants
Author/s:
  • De Marchi, Rémi
  • Sorel, Maud
  • Mooney, Brian
  • Fudal, Isabelle
  • Goslin, Kevin
  • Kwasniewska, Kamila
  • Ryan, Patrick T.
  • Pfalz, Marina
  • Kroymann, Juergen
  • Pollmann, Stephan
  • Feechan, Angela
  • Wellmer, Frank
  • Rivas, Susana
  • Graciet, Emmanuelle
Item Type: Article
Título de Revista/Publicación: Scientific Reports
Date: May 2016
Volume: 6
Subjects:
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Department: Biotecnología - Biología Vegetal
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

To efficiently counteract pathogens, plants rely on a complex set of immune responses that are tightly regulated to allow the timely activation, appropriate duration and adequate amplitude of defense programs. The coordination of the plant immune response is known to require the activity of the ubiquitin/proteasome system, which controls the stability of proteins in eukaryotes. Here, we demonstrate that the N-end rule pathway, a subset of the ubiquitin/proteasome system, regulates the defense against a wide range of bacterial and fungal pathogens in the model plant Arabidopsis thaliana. We show that this pathway positively regulates the biosynthesis of plant-defense metabolites such as glucosinolates, as well as the biosynthesis and response to the phytohormone jasmonic acid, which plays a key role in plant immunity. Our results also suggest that the arginylation branch of the N-end rule pathway regulates the timing and amplitude of the defense program against the model pathogen Pseudomonas syringae AvrRpm1.

More information

Item ID: 45017
DC Identifier: http://oa.upm.es/45017/
OAI Identifier: oai:oa.upm.es:45017
DOI: 10.1038/srep26020
Official URL: http://www.nature.com/articles/srep26020
Deposited by: Memoria Investigacion
Deposited on: 28 Mar 2017 16:00
Last Modified: 28 Mar 2017 16:00
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