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Type III secreted proteins and plant growth-promoting rhizobacteria
Reference
BRE13654
Principal Investigator / Supervisor
Professor Chris Leaver
Co-Investigators /
Co-Supervisors
Dr Robert Jackson
,
Professor Gail Preston
Institution
University of Oxford
Department
Plant Sciences
Funding type
Research
Value (£)
211,236
Status
Completed
Type
Research Grant
Start date
01/01/2001
End date
01/01/2004
Duration
36 months
Abstract
Our recent work on the mechanism of rhizosphere colonisation by the PGPR Pseudomonas fluorescens has revealed a rhizosphere-inducible type III secretion cluster. Southern hybridisation studies reveals that such clusters are widespread among plant-associated Pseudomonas. The cluster has been fully sequenced, is able to translocate heterologous avirulence genes into plants, and glass house trials reveal that it has a role in elicitation of ISR. These data have led us to postulate that P. fluorescens forms an intimate and parasitic association with plant roots. Understanding the precise nature of this association requires knowledge of type III-secreted proteins, their extracellular fate and biological role. Here we propose a detailed analysis of two candidate-secreted proteins (AvrE and AvrN).
Summary
unavailable
Committee
Closed Committee - Plant & Microbial Sciences (PMS)
Research Topics
X – not assigned to a current Research Topic
Research Priority
X – Research Priority information not available
Research Initiative
Biological Interactions in the Root Environment (BRE) [2000]
Funding Scheme
X – not Funded via a specific Funding Scheme
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