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Plants have a double line of defence

scientists had assumed that nonhost resistance is based more on "passive" mechanisms: for example, the structure of the cell wall, poisonous substances on the surface of the plant, or a lack of molecular entry sites for pathogens. But the researchers in Cologne have now shown that active immune responses make a key contribution to nonhost resistance ?for example, the transport of PEN2 to the place of infection.

In further studies, the researchers hope to try to identify materials that are built up via PEN2 at the place of infection. They surmise that these materials could lead to the development of new kinds of "green fungicide" with a broad range of effects in the fight against plant diseases.


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Source:Max-Planck-Gesellschaft


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