Phylogenomic analyses of rice oxalate oxidases, candidate genes for quantitative resistance to rice blast.

M.G.C. Carrillo, M. Reveche, P. Goodwin, J. Leach, H. Leung,; C. Vera Cruz

Phylogenomic analyses of rice oxalate oxidases, candidate genes for quantitative resistance to rice blast.

2007

M.G.C. Carrillo, M. Reveche, P. Goodwin, J. Leach, H. Leung, | C. Vera Cruz

Active oxygen species, such as H2O2, have been suggested to be involved in plant defense responses against several fungal pathogens. Using the candidate gene approach, oxalate oxidase and oxalate oxidase-like proteins have been linked to resistance to rice blast (Magnaporthe oryzae). In rice, OXO is mapped to chromosome 3 and is associated with resistance to rice blast in a Vandana/Moroberekan mapping population. The goal of this study was to confirm genetic mapping data from several populations for the presence of OXO genes in the rice genome, to characterize the members of the oxalate oxidase family, and to validate the role of these genes in response to pathogen infection.

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