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Analysis of a zebrafish semaphorin reveals potential functions in vivo

Analysis of a zebrafish semaphorin reveals potential functions in vivo The semaphorin/collapsin gene family is a large and diverse family encoding both secreted and transmembrane proteins, some of which are thought to act as repulsive axon guidance molecules. However, the function of most semaphorins is still unknown. We have cloned and characterized several semaphorins in the zebrafish in order to assess their in vivo function. Zebrafish semaZ2 is expressed in a dynamic and restricted pattern during the period of axon outgrowth that indicates potential roles in the guidance of several axon pathways. Analysis of mutant zebrafish with reduced semaZ2 expression reveals axon pathfinding errors that implicate SemaZ2 in normal guidance. Dev Dyn 1999;214:13–25. © 1999 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Developmental Dynamics Wiley

Analysis of a zebrafish semaphorin reveals potential functions in vivo

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References (76)

Publisher
Wiley
Copyright
Copyright © 1999 Wiley‐Liss, Inc.
ISSN
1058-8388
eISSN
1097-0177
DOI
10.1002/(SICI)1097-0177(199901)214:1<13::AID-DVDY2>3.0.CO;2-3
pmid
9915572
Publisher site
See Article on Publisher Site

Abstract

The semaphorin/collapsin gene family is a large and diverse family encoding both secreted and transmembrane proteins, some of which are thought to act as repulsive axon guidance molecules. However, the function of most semaphorins is still unknown. We have cloned and characterized several semaphorins in the zebrafish in order to assess their in vivo function. Zebrafish semaZ2 is expressed in a dynamic and restricted pattern during the period of axon outgrowth that indicates potential roles in the guidance of several axon pathways. Analysis of mutant zebrafish with reduced semaZ2 expression reveals axon pathfinding errors that implicate SemaZ2 in normal guidance. Dev Dyn 1999;214:13–25. © 1999 Wiley‐Liss, Inc.

Journal

Developmental DynamicsWiley

Published: Jan 1, 1999

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