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Fig. 4 | BMC Plant Biology

Fig. 4

From: Monocot and dicot MLO powdery mildew susceptibility factors are functionally conserved in spite of the evolution of class-specific molecular features

Fig. 4

Functional conservation of SlMLO1 and HvMLO in the tomato/Blumeria graminis f.sp. hordei (Bgh) interaction. Panel a shows the ratio of penetrated and non-penetrated epidermal cells, assessed in function of infection units showing hypersensitive response (H.R.) and papillae, respectively, in the following genotypes: the mlo mutant line Slmlo1; the cultivar MM, with a similar genetic background and carrying wild-type SlMLO1; transgenic plants of a T2 family overexpressing barley HvMLO in the Slmlo1 genetic background (35S::HvMLO-9). Panel b, c and d show, in the same genotypes, fungal structures (conidiospore and appressorium germination tube -A.G.T.-) and cellular events (the formation of papillae and H.R.) arresting fungal growth before and after penetration, respectively

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