Towards better understanding of genetics in Leptosphaeria-Brassica interactions via international collaborations to standardize the nomenclature of blackleg resistance genes

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To help in the international effort to locate new blackleg resistance genes, researchers need a universal protocol so they’re not finding the same gene multiple times but giving it different names – which is happening. Borhan will coordinate efforts with the international blackleg research community to expand the current set of host differentials for new R genes and define a common set of Leptosphaeria maculans differential isolates.


Collaboration between AAFC and INRA (France) has led to the cloning of AvrLep2/AvrLmS. Coordination of research activities and exchange of materials had little progress due to COVID-19.