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Updated: Jun 15, 2026

Identification of the Genes Involved in Stomatal Development via Epidermal Phenotype Scoring
Published on: January 20, 2023
BASL and EPF2 act independently to regulate asymmetric divisions during stomatal development
1Department 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.
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