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Breakthrough in plant research
Date:2/27/2008

eviously, this newly discovered anion channel takes part in the regulation of all the main stomatal activities.

Climate change makes it all the more important to know about the mechanisms involved in stomata regulation. Aridity is on the increase across the globe, as is the world population. Increasingly dry areas should be taken into cultivation to ensure food production. When developing crops that thrive in dry areas, it is important to know well the mechanisms that regulate stomata, through which plants evaporate moisture.

The effects of climate change, which increases atmospheric ozone and carbon dioxide concentrations, cause another challenge for plants. Plants protect themselves against high ozone by closing the stomata on their leaves. While this protection mechanism minimises damage to the plant, it also reduces carbon dioxide uptake for photosynthesis and thus could reduce the sequestering of the excess atmospheric carbon in plant material. A different kind of plant, however, could grow better in the new conditions. This research will provide a new tool for geneticists in the development of drought-resistant plants.


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Contact: Professor Jaakko Kangasjrvi
jaakko.kangasjarvi@helsinki.fi
358-919-159-444
University of Helsinki
Source:Eurekalert

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