Abstract
Recent results have modified the expectation that responses to cytokinin, along with the other growth substances, would all turn out to be mediated via cytosolic Ca2+ by mechanisms closely resembling those proposed (but not yet proved) for the responses of animal cells to hormones. The big friendly giant is a fertile source of ideas (such as the alarming fact that some animal hormones may have as many as five different receptors [1]) but given the ease with which it is possible to discover only what we expect to find, rigorous and critical testing is called for. As the extreme complexity of the cell’s signal transduction machinery slowly comes to light, we discover how easily the interactive network of biochemical components can generate artifacts and how difficult it is to reconstruct its in vivo operation.
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Hanke, D.E., Davies, H., Biffen, M., Connett, R.J.A., Freathy, T.C. (1990). Cytokinin Mode of Action — Problems and Perspectives. In: Pharis, R.P., Rood, S.B. (eds) Plant Growth Substances 1988. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74545-4_19
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DOI: https://doi.org/10.1007/978-3-642-74545-4_19
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