The role of an absisic acid activated protein kinase in drought tolerance
Drought is the major environmental factor limiting crop productivity. There is therefore a great need for crop improvements that will increase drought tolerance and stabilize crop yield under drought conditions. When plants are subjected to drought, the absisic acid concentrations in leaves increases causing the stomata to close, which enables plants to reduce water loss under drought conditions. The aim of this project is to determine the role of a rice absisic acid activated protein kinase in plant response to drought stress. We were expecting that SAPK10 will be a positive regulator in drought tolerance because of the overexpression lines that it exhibits. And so far we have determined that the absisic acid activated protein kinase SAPK10 is a positive regulator of drought tolerance in rice. However, we are not yet finished. In further studies the target proteins of the SAPK10 kinase are going to be identified.
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