Cytokinin: secret agent of symbiosis.

Abstract

The symbiotic interaction between Rhizobium bacteria and legumes leads to the induction of a new root organ: the nitrogen-fixing nodule. Recent findings have uncovered that cytokinin is instrumental in this developmental process, but they also suggest a broader role for cytokinin in mediating rhizobial infection. In this opinion article, we propose that cytokinin is the key differentiation signal for nodule organogenesis. Furthermore, we discuss a model in which cytokinin might also influence bacterial infection by controlling the expression of NIN (Nodule Inception) and other transcriptional regulators through mechanisms operating both locally and systemically.

DOI: 10.1016/j.tplants.2008.01.003
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@article{Frugier2008CytokininSA, title={Cytokinin: secret agent of symbiosis.}, author={Florian Frugier and Sonja Kosuta and Jeremy D. Murray and Martin Crespi and Krzysztof Szczyglowski}, journal={Trends in plant science}, year={2008}, volume={13 3}, pages={115-20} }