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Article Dans Une Revue Comptes Rendus Biologies Année : 2010

Leaving the meristem behind: the genetic and molecular control of leaf patterning and morphogenesis

Thomas Blein
Patrick Laufs

Résumé

Leaves, which play an essential role in plant photosynthesis, share common features such as being flat structures, but also show an impressive variability in their sizes and shapes. Following its initiation in the meristems, leaf development is patterned along three polarization axes to establish its basic architecture. This process is further complicated in the case of compound leaves with the formation of new growth axes. Growth and differentiation must be properly coordinated to regulate the size and the flatness of the leaf. This review provides an overview of the genetic and molecular regulatory networks underlying leaf development, with an emphasis on leaf polarity and the comparison of simple and compound leaves.

Dates et versions

hal-01203897 , version 1 (23-09-2015)

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Alice Hasson, Thomas Blein, Patrick Laufs. Leaving the meristem behind: the genetic and molecular control of leaf patterning and morphogenesis. Comptes Rendus Biologies, 2010, 333 (4), pp.350-360. ⟨10.1016/j.crvi.2010.01.013⟩. ⟨hal-01203897⟩
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