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Plant Signal Behav. 2010 Mar;5(3):278-80. Epub 2010 Mar 18.

BASL and EPF2 act independently to regulate asymmetric divisions during stomatal development.

Author information

1
Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, UK.

Abstract

The initiation of stomatal development in the developing Arabidopsis epidermis is characterized by an asymmetric 'entry' division in which a small cell, known as a meristemoid, and a larger daughter cell is formed. The meristemoid may undergo further asymmetric divisions, regenerating a meristemoid each time, before differentiating into a guard mother cell which divides symmetrically to form a pair of guard cells surrounding a stomatal pore. Recently EPF2 and BASL have emerged as regulators of these asymmetric divisions and here we present results indicating that these two factors operate independently to control stomatal development.

PMID:
20220310
PMCID:
PMC2881277

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