A Case for Distributed Control of Local Stem Cell Behavior in Plants

Ramin Rahni, Idan Efroni, Kenneth D. Birnbaum*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

21 Scopus citations


The root meristem has a centrally located group of mitotically quiescent cells, to which current models assign a stem cell organizer function. However, evidence is emerging for decentralized control of stem cell activity, whereby self-renewing behavior emerges from the lack of cell displacement at the border of opposing differentiation gradients. We term this a “stagnation” model due to its reliance on passive mechanics. The position of stem cells is established by two opposing axes that reciprocally control each other's differentiation. Such broad tissue organization programs would allow plants, like some animal systems, to rapidly reconstitute stem cells from non-stem-cell tissues.

Original languageAmerican English
Pages (from-to)635-642
Number of pages8
JournalDevelopmental Cell
Issue number6
StatePublished - 26 Sep 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Inc.


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