Stomatal Development and Pattern Controlled by a MAPKK Kinase

  title={Stomatal Development and Pattern Controlled by a MAPKK Kinase},
  author={D. Bergmann and W. Lukowitz and C. Somerville},
  pages={1494 - 1497}
  • D. Bergmann, W. Lukowitz, C. Somerville
  • Published 2004
  • Biology, Medicine
  • Science
  • Stomata are epidermal structures that modulate gas exchange between a plant and its environment. During development, stomata are specified and positioned nonrandomly by the integration of asymmetric cell divisions and intercellular signaling. The Arabidopsis mitogen-activated protein kinase kinase kinase gene, YODA, acts as part of a molecular switch controlling cell identities in the epidermis. Null mutations in YODA lead to excess stomata, whereas constitutive activation of YODA eliminated… CONTINUE READING
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