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In its 88-year story, the mission of our institute has been to carry out excellence research in fundamental and applied physical chemistry, contributing to the scientific training of several generations of researchers at the highest level. Our vision is to be an international reference in multidisciplinary research focused on the resolution of the present challenges of our society in the fields of health, biotechnology, new materials, and environment.

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FIgura web smallerThe transport of ions through the plant cell membrane establishes the key physicochemical parameters for cell function. Stress situations such as those created by soil salinity or low potassium conditions alter the ion transport across the membrane producing dramatic changes in the cell turgor, the membrane potential, and the intracellular pH and concentrations of toxic cations such as sodium and lithium. As a consequence, fundamental metabolic routes are inhibited.

 

The CIPK family of twenty-six protein kinases regulates the function of several ion transporters at the cell membrane to restore ion homeostasis under stress situations. Our analyses provide an explanation on how the CIPKs are differentially activated to coordinate the adequate cell response to a particular stress.

  

Proceedings of the National Academy of Sciences, PNAS (2014), (doi:10.1073/pnas.1407610111)

http://www.pnas.org/content/early/2014/10/02/1407610111