Durability Of Oilseed rape Resistance

Molecular Plant Pathology

A new project, undertaken by Dr Henrik Stotz, Dr Andreas Kukol and Prof Bruce DL Fitt on Durability Of Oilseed rape Resistance, was started with financial support by the EU Marie Curie FP7 programme.

The interaction between Brassica napus and the phoma stem canker pathogen Leptosphaeria maculans serves as a model to better understand crop resistance.

The specific objectives of this project are (i) to investigate factors that influence the durability of R genes in winter oilseed rape crops, (ii) to understand interactions between host and pathogen gene products in relation to durability and environmental stability of R genes and (iii) to develop a scheme to describe factors affecting the durability of R genes.

Molecular modelling

An important aspect of this project is to use molecular modelling of leucine-rich repeat domains, which interact with microbial effectors or their targets, to better understand pathogen recognition.

Effector functions are tested by challenging different oilseed rape cultivars with L. maculans isolates that carry different effector gene combinations; different defence responses are analysed to determine the function of specific effectors

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