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Stem-cell niches: nursery rhymes across kingdoms

Stem-cell niches: nursery rhymes across kingdoms Animal and plant stem-cell niches have conserved cellular organization. Both maintain stem cells by short-range signals that originate from organizing centres. The positioning of two different types of plant stem-cell niches is determined by combinatorial codes of plant-specific transcription factors. Combinatorial coding is also important in animal stem cells. Plant behaviour requires flexible developmental strategies. In line with this, stem-cell programming in plants is dynamic, and this is reflected in multiple feedback connections between stem-cell-maintenance factors and -differentiation factors. New approaches are needed for dynamic studies on plant stem cells. Improved imaging techniques and computational modelling are important steps towards this goal. The importance of epigenetic programming for the stem-cell state has been recognized for both animals and plants. The current challenge is to determine whether the epigenetic control mechanisms that are used are similar between animals and plants. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Reviews Molecular Cell Biology Springer Journals

Stem-cell niches: nursery rhymes across kingdoms

Nature Reviews Molecular Cell Biology , Volume 8 (5) – May 1, 2007

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References (125)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Nature Publishing Group
Subject
Life Sciences; Life Sciences, general; Cell Biology; Cancer Research; Developmental Biology; Stem Cells; Biochemistry, general
ISSN
1471-0072
eISSN
1471-0080
DOI
10.1038/nrm2164
Publisher site
See Article on Publisher Site

Abstract

Animal and plant stem-cell niches have conserved cellular organization. Both maintain stem cells by short-range signals that originate from organizing centres. The positioning of two different types of plant stem-cell niches is determined by combinatorial codes of plant-specific transcription factors. Combinatorial coding is also important in animal stem cells. Plant behaviour requires flexible developmental strategies. In line with this, stem-cell programming in plants is dynamic, and this is reflected in multiple feedback connections between stem-cell-maintenance factors and -differentiation factors. New approaches are needed for dynamic studies on plant stem cells. Improved imaging techniques and computational modelling are important steps towards this goal. The importance of epigenetic programming for the stem-cell state has been recognized for both animals and plants. The current challenge is to determine whether the epigenetic control mechanisms that are used are similar between animals and plants.

Journal

Nature Reviews Molecular Cell BiologySpringer Journals

Published: May 1, 2007

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