Pioneer neurons: A basis or limiting factor of lophotrochozoa nervous system diversity?

Pioneer neurons: A basis or limiting factor of lophotrochozoa nervous system diversity? It has been demonstrated by us and other authors that first nervous cells in developing larvae from various trochozoan groups differentiate at the periphery. These pioneer neurons are distinguished by the set of characters. They are located outside the forming central ganglia; outgrowing fibers of central neurons use their processes as a “scaffolding” transmitter expression in these neurons is transient. On the one hand, pioneer neurons mark the “frame” of the adult nervous system and thus play a limiting role. On the other hand, pioneering navigation provides possible mechanisms for evolutional plasticity of the nervous system in adults. In addition, pioneer neurons can underlie functional adaptation of trochophore animals, which minimizes fitness decrease during the transition from the larval to the adult form during metamorphosis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Pioneer neurons: A basis or limiting factor of lophotrochozoa nervous system diversity?

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Animal Anatomy / Morphology / Histology; Developmental Biology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1134/S1062360410060019
Publisher site
See Article on Publisher Site

Abstract

It has been demonstrated by us and other authors that first nervous cells in developing larvae from various trochozoan groups differentiate at the periphery. These pioneer neurons are distinguished by the set of characters. They are located outside the forming central ganglia; outgrowing fibers of central neurons use their processes as a “scaffolding” transmitter expression in these neurons is transient. On the one hand, pioneer neurons mark the “frame” of the adult nervous system and thus play a limiting role. On the other hand, pioneering navigation provides possible mechanisms for evolutional plasticity of the nervous system in adults. In addition, pioneer neurons can underlie functional adaptation of trochophore animals, which minimizes fitness decrease during the transition from the larval to the adult form during metamorphosis.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Dec 2, 2010

References

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