Expression of en and wg in the embryonic head and brain of Drosophila indicates a refolded band of seven segment remnants.

@article{SchmidtOtt1992ExpressionOE,
  title={Expression of en and wg in the embryonic head and brain of Drosophila indicates a refolded band of seven segment remnants.},
  author={Urs Schmidt-Ott and Gerhard Martin Technau},
  journal={Development},
  year={1992},
  volume={116 1},
  pages={111-25}
}
Based on the expression pattern of the segment polarity genes engrailed and wingless during the embryonic development of the larval head, we found evidence that the head of Drosophila consists of remnants of seven segments (4 pregnathal and 3 gnathal) all of which contribute cells to neuromeres in the central nervous system. Until completion of germ band retraction, the four pregnathal segment remnants and their corresponding neuromeres become arranged in an S-shape. We discuss published… CONTINUE READING
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The mushroom body defect gene affects proliferation behaviour of postembryonic neuroblasts

  • A. Prokop, F. Barleben, K.-F. Fischbach, G. M. Technau
  • Synapse , Transmission , Modulation
  • 1991

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