PLANT VOLATILES

Evolution of plant volatiles manipulation by vectored pathogens

 Coordinatore UNIVERSITE PARIS-SUD 

 Organization address address: RUE GEORGES CLEMENCEAU 15
city: ORSAY
postcode: 91405

contact info
Titolo: Mr.
Nome: Nicolas
Cognome: Lecompte
Email: send email
Telefono: +331 69 15 55 89
Fax: +331 69 15 55 99

 Nazionalità Coordinatore France [FR]
 Totale costo 242˙916 €
 EC contributo 242˙916 €
 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-IOF-2008
 Funding Scheme MC-IOF
 Anno di inizio 2009
 Periodo (anno-mese-giorno) 2009-09-01   -   2012-12-25

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    UNIVERSITE PARIS-SUD

 Organization address address: RUE GEORGES CLEMENCEAU 15
city: ORSAY
postcode: 91405

contact info
Titolo: Mr.
Nome: Nicolas
Cognome: Lecompte
Email: send email
Telefono: +331 69 15 55 89
Fax: +331 69 15 55 99

FR (ORSAY) coordinator 242˙916.30

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

eacute    explore    volatiles    virus    evolution    plants    insect    herbivores    interactions    implications    disease    viral    ecology    recent    induced    aphid    insects    transmission    vectored    attractive    pathogens    plant    viruses    pathogen    vector    vectors    bacterial   

 Obiettivo del progetto (Objective)

'Many important plant diseases are vectored by insects, and the dependence of pathogens and insect herbivores on a common plant host creates the potential for antagonistic and mutualistic interactions that may have large implications for disease transmission. Pathogen-induced effects on plant traits affecting their suitability for herbivores or the cues presented to foraging insects are likely to be central to these interactions. Yet, the ecology and evolution of plant-pathogen-vector interactions is not well understood. A few recent studies have shown that virus-induced plant organic volatiles are attractive to aphid vectors, but broader implications for disease ecology and pathogen evolution have not been investigated. I propose here to explore the ecology of vector-borne viral and bacterial pathogens of the wild gourd Cucurbita pepo subsp. texana. Previous work in this system suggests that infection by an aphid-vectored virus, ZYMV, and a beetle-vectored bacterial pathogen, Erwinia trachephila, are dependent on the selective behaviour of their respective vectors. I will thus explore the effects of pathogen-induced changes in plant volatiles and insect behaviour, and their impact on pathogen transmission. I will examine variation within natural pathogen populations for these effects, to gain a better understanding of their adaptive nature and their consequences in pathogen epidemiology and evolution. I will also develop a second study system, involving the plant Arabidopsis thaliana and a whitefly-vectored virus (CaMV) to extend this valuable model to questions relating to plant-pathogen-vector interactions, which would greatly facilitate the elucidation of underlying mechanisms. The proposed work will be performed jointly at the department of entomology of the Pennsylvania State University, USA, a worldwide leader in the fields of chemical ecology and disease dynamics, and the laboratoire Ecologie, Systématique et Evolution at Université Paris-Sud 11, France.'

Introduzione (Teaser)

Recent research has found that viruses infect plants (viral hosts) and render them attractive to insects (viral vectors) thereby potentially facilitating viral transmission. An EU project is investigating the intricacies of the complex relationships between plants, their viruses, and disease carriers or vectors.

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