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Curr Opin Plant Biol. 2008 Feb;11(1):88-93. Epub 2007 Dec 19.

Live-imaging stem-cell homeostasis in the Arabidopsis shoot apex.

Author information

1
2150 Batchelor Hall, Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, United States. venug@ucr.edu

Abstract

A precise spatio-temporal regulation of growth and differentiation is crucial to maintain a stable population of stem cells in the shoot apical meristems (SAMs) of higher plants. The real-time and simultaneous observations of dynamics of cell identity transitions, growth patterns, and signaling machinery involved in cell-cell communication is crucial to gain a mechanistic view of stem-cell homeostasis. In this article, I review recent advances in understanding the regulatory dynamics of stem-cell maintenance in Arabidopsis thaliana and discuss future challenges involved in transforming the static maps of genetic interactions into a dynamic framework representing functional molecular and cellular interactions in living SAMs.

PMID:
18069047
DOI:
10.1016/j.pbi.2007.10.012
[Indexed for MEDLINE]

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