NO CROP PATHOGEN
How does Nitric Oxide (NO) regulate crop pathogen virulence?
| Coordinatore | UNIVERSITY COLLEGE DUBLIN, NATIONAL UNIVERSITY OF IRELAND, DUBLIN
Organization address
address: BELFIELD contact info |
| Nazionalità Coordinatore | Ireland [IE] |
| Totale costo | 100˙000 € |
| EC contributo | 100˙000 € |
| Programma | FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) |
| Code Call | FP7-PEOPLE-2013-CIG |
| Funding Scheme | MC-CIG |
| Anno di inizio | 2014 |
| Periodo (anno-mese-giorno) | 2014-03-01 - 2018-02-28 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
UNIVERSITY COLLEGE DUBLIN, NATIONAL UNIVERSITY OF IRELAND, DUBLIN
Organization address
address: BELFIELD contact info |
IE (DUBLIN) | coordinator | 100˙000.00 |
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Obiettivo del progetto (Objective)
'Fungal pathogens cause disease in important cereal and horticultural crop plants dramatically reducing yields and quality. Preventing fungal disease in crop plants would ensure global food security and reduce agricultural inputs with respect to fungicide application. Following the recognition of microbial attack both plants and animals produce a nitric oxide (NO) burst which is directly antimicrobial. However, little is known about the molecular mechanisms underlying how NO inhibits pathogen growth, in particular with regards to fungal pathogens. During plant infection fungal pathogens secrete virulence proteins (effectors) to suppress the immune response and alter host metabolism. There is emerging evidence that NO targets and alters these secreted effectors. NO is able to post-translationally modify proteins by reacting with specific cysteine residues to form an S-nitrosothiol (SNO), subsequently controlling protein activity and function. This project aims to investigate the influence NO has on fungal crop pathogens during attempted infection of the plant host. The mechanisms that these pathogens might use in order to detoxify NO to avoid its antimicrobial effects will be identified and investigated. Pathogen effectors that are S-nitrosylated during infection will be identified and the impact on virulence elucidated. Understanding the role NO has on pathogenic fungi during attempted colonisation of the plant host will allow new broad spectrum resistance strategies to be developed to control these important crop pathogens.'