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Development. 2013 Apr;140(7):1373-83. doi: 10.1242/dev.086371.

Crossing paths: cytokinin signalling and crosstalk.

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Institute of Biotechnology/Department of Biosciences, University of Helsinki, Helsinki FI-00014, Finland.


Cytokinins are a major class of plant hormones that are involved in various aspects of plant development, ranging from organ formation and apical dominance to leaf senescence. Cytokinin and auxin have long been known to interact antagonistically, and more recent studies have shown that cytokinins also interact with other plant hormones to regulate plant development. A growing body of research has begun to elucidate the molecular and genetic underpinnings of this extensive crosstalk. The rich interconnections between the synthesis, perception and transport networks of these plant hormones provide a wide range of opportunities for them to modulate, amplify or buffer one another. Here, we review this exciting and rapidly growing area of cytokinin research.

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