A barley resistance gene, mlo5, effective against the biotrophic powdery mildew pathogen confers enhanced susceptibility to the necrotrophic fungus Bipolaris sorokiniana
2003
Kiraly, L. | Kumar, J. | Huckelhoven, R. | Kogel, K.-H.
The barley resistance gene mlo5 determines race non-specific resistance to the biothrophic powdery mildew pathogen Blumeria graminis f.sp. hordei. On the other hand, we have shown that barley lines that contain the mlo5 gene display enhanced susceptibility to the necrotrophic fungus Bipolaris sorokiniana (teleomorph: Cochliobolus sativus) and its toxic culture filtrate (Kumar et al. 2001). The aim of the present study was to characterize the biochemical and molecular background of enhanced necrotic symptoms in mlo5 barley in order to gain further insight in the pleiotropic effects of an important plant resistance gene.
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