Cytokinins and Water Stress |
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Authors: | J Pospíšilová H Synková J Rulcová |
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Institution: | (1) Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Na Karlovce la, CZ-160 00 Praha 6, Czech Republic e-mail;(2) Faculty of Science, Department of Plant Physiology, Charles University, Vini ná 5, CZ-12844 Praha 2, Czech Republic |
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Abstract: | It is almost impossible to find a single process in plant life that is not affected by both stress and hormones directly or indirectly. This minireview is focused on the interactions between water stress and cytokinins (CKs). The attention was paid mainly to changes in endogenous CK content and composition under water stress, involvement of CK in plant responses to water stress mainly in stomatal regulation of gas exchange, water relations of transgenic plants with elevated CK content, and possibilities to ameliorate the negative effects of water stress by application of exogenous CKs. |
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Keywords: | abscisic acid chlorophyll isopentenyladenine isopentenyladenosine leaf water potential net photosynthetic rate stomatal conductance transpiration rate zeatin zeatin riboside |
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