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To elucidate defense mechanisms against the oomycte Phytophthora infestans, the causal agent of late blight disease of potato, we are studying the interaction of P. infestans with its host plant potato and with the nonhost plant Arabidopsis thaliana. For potato, analysis of the recognition of the pathogen, signal transduction and characterization of the pathogen defense are our major interests.

Potato plants grown in a phytochamber are infected with Phytophthora infestans, the causal agent of late blight disease (left panel). To obtain the humidity required for P. infestans spore  germination, infected leaves are covered with a plastic bag. The infection is visible three days after placing drops of the P. infestans spore suspension onto the lower side of the leaves (middle panel). Electron microscopy shows the penetration of plant cells by the oomycete (right panel, Pi: P. infestans, is: intracellular space, cy: cytoplasm; photo taken from Eschen-Lippold et al. New Phytologist 193, 985-996, (2012).
Potato plants grown in a phytochamber are infected with Phytophthora infestans, the causal agent of late blight disease (left panel). To obtain the humidity required for P. infestans spore germination, infected leaves are covered with a plastic bag. The infection is visible three days after placing drops of the P. infestans spore suspension onto the lower side of the leaves (middle panel). Electron microscopy shows the penetration of plant cells by the oomycete (right panel, Pi: P. infestans, is: intracellular space, cy: cytoplasm; photo taken from Eschen-Lippold et al. New Phytologist 193, 985-996, (2012).

This page was last modified on 21.02.2017.

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