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MASH genes and the logic of neural crest cell lineage diversification

Anderson, David J. (1993) MASH genes and the logic of neural crest cell lineage diversification. Comptes rendus de l'Académie des sciences, Série 3, Sciences de la vie, 313 . pp. 1090-1096. ISSN 0764-4469.

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Avian embryos have traditionally been the system of choice for studying neural crest development, but the combination of reverse genetics and clonal culture should allow new insights to be gained from mammalian systems as well. We describe one of the first examples where a targeted mutation in a developmental control gene, isolated on the basis of its homology to Drosophila neural determination genes, causes a highly selective phenotype affecting the early development of a subset of neural crest derivatives. Detailed analysis of the cellular phenotype and expression pattern of the gene, called MASH-1, have led to novel insights into the genetic logic that controls neural crest development. Most important, some features of the phenotype appear inconsistent with the predictions of current models of neural crest lineage diversification. These unexpected results have forced a reevaluation of our thinking about some aspects of neural crest development, and illustrate the power of the reverse genetic approach to reveal unanticipated features of complex biological systems as well as to suggest new directions for future study.

Item Type:Article
Anderson, David J.0000-0001-6175-3872
Additional Information:© 1993 Elsevier Paris. We thank D. Stemple, J. Johnson, L. Lo and other members of the Anderson Laboratory who contributed to the work discussed in this paper, and F. Guillemot and A. Joyner for collaborating on the analysis of MASH-1 mutant mice. Portions of this work were supported by NIH grant NS23476. DJA is an Associate Investigator of the Howard Hughes Medical Institute.
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Howard Hughes Medical Institute (HHMI)UNSPECIFIED
Subject Keywords:basic helix-loop-helix gene; neurogenesis; neural crest
Record Number:CaltechAUTHORS:20150416-093909676
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56714
Deposited By: Jason Perez
Deposited On:16 Apr 2015 18:30
Last Modified:30 Mar 2020 22:25

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