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Sci. Signal., 28 October 2008
Vol. 1, Issue 43, p. ec372
[DOI: 10.1126/scisignal.143ec372]

EDITORS' CHOICE

Plant Science Lateral Root Regulation

Pamela J. Hines

Science, AAAS, Washington, DC 20005, USA

Control of cell division patterns is essential for normal development. De Smet et al. looked in living tissues at the early stages of the formation of lateral roots in the model plant, Arabidopsis thaliana. The cells that give rise to lateral roots responded to a key receptor-like kinase, ACR4, which was also required to maintain stem cells at the root tip meristem. Although sharing a kinase, these processes remain distinct because, while the root tip meristem is a permanent organ, lateral roots are generated only when required during development.

I. De Smet, V. Vassileva, B. De Rybel, M. P. Levesque, W. Grunewald, D. Van Damme, G. Van Noorden, M. Naudts, G. Van Isterdael, R. De Clercq, J. Y. Wang, N. Meuli, S. Vanneste, J. Friml, P. Hilson, G. Jürgens, G. C. Ingram, D. Inzé, P. N. Benfey, T. Beeckman, Receptor-like kinase ACR4 restricts formative cell divisions in the Arabidopsis root. Science 322, 594-597 (2008). [Abstract] [Full Text]

Citation: P. J. Hines, Lateral Root Regulation. Sci. Signal. 1, ec372 (2008).


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