AtDEK1 is essential for specification of embryonic epidermal cell fate.

@article{Johnson2005AtDEK1IE,
  title={AtDEK1 is essential for specification of embryonic epidermal cell fate.},
  author={Kim L Johnson and Kathryn Amey Degnan and J Ross Walker and Gwyneth Ingram},
  journal={The Plant journal : for cell and molecular biology},
  year={2005},
  volume={44 1},
  pages={114-27}
}
The specification of epidermal (L1) identity occurs early during plant embryogenesis. Here we show that, in Arabidopsis, AtDEK1 encodes a key component of the embryonic L1 cell-layer specification pathway. Loss of AtDEK1 function leads to early embryo lethality characterized by a severe loss of cell organization in the embryo proper and abnormal cell divisions within the suspensor. Markers for L1 identity, ACR4 and ATML1, are not expressed in homozygous mutant embryos. In order to clarify the… CONTINUE READING

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