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Journal of Neuroscience, Vol 1, 250-258, Copyright © 1981 by Society for Neuroscience

ARTICLE

Cercal sensory development following laser microlesions of embryonic apical cells in Acheta domesticus

JS Edwards, SW Chen and MW Berns

The hypothesis that pioneer fibers, which develop relatively early in the differentiation of insect appendages, serve to organize the peripheral sensory nerves was tested by ablating apical regions of the cercal rudiments in embryos of Acheta domesticus. Multiple nerve bundles rather than the normal middorsal and midventral pair of nerves were formed within the cercus following ablation of the cercal tip before pioneer fiber differentiation, but the cercal nerve was normal when lesions were made after formation of the pioneer fiber tracts and associated glia. These results indicate a necessary morphogenetic role for the pioneer fibers.

This article has been cited by other articles:

				M Klose and D Bentley Transient pioneer neurons are essential for formation of an embryonic peripheral nerve Science, September 1, 1989; 245(4921): 982 - 984. [Abstract] [PDF]

				J. BERLOT and C. S. GOODMAN Guidance of Peripheral Pioneer Neurons in the Grasshopper: Adhesive Hierarchy of Epithelial and Neuronal Surfaces Science, February 3, 1984; 223(4635): 493 - 496. [Abstract] [PDF]

				D. Bentley and H. Keshishian Pathfinding by Peripheral Pioneer Neurons in Grasshoppers Science, December 10, 1982; 218(4577): 1082 - 1088. [Abstract] [PDF]

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