Molecular analysis of neurogenic placode development in a basal ray-finned fish.
| Title: | Molecular analysis of neurogenic placode development in a basal ray-finned fish. |
|---|---|
| Authors: | Modrell MS; Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.; Buckley D; Baker CV |
| Source: | Genesis (New York, N.Y. : 2000) [Genesis] 2011 Apr; Vol. 49 (4), pp. 278-94. Date of Electronic Publication: 2011 Mar 05. |
| Publication Type: | Journal Article; Research Support, Non-U.S. Gov't |
| Language: | English |
| Journal Info: | Publisher: Wiley-Liss Country of Publication: United States NLM ID: 100931242 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1526-968X (Electronic) Linking ISSN: 1526954X NLM ISO Abbreviation: Genesis Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: New York, NY : Wiley-Liss, c2000- |
| MeSH Terms: | Phylogeny*; Ectoderm/*embryology ; Fishes/*embryology ; Ganglia, Sensory/*embryology ; Gene Expression Regulation, Developmental/*physiology ; Paired Box Transcription Factors/*metabolism ; Sense Organs/*embryology; Basic Helix-Loop-Helix Proteins/genetics ; Basic Helix-Loop-Helix Proteins/metabolism ; Ectoderm/metabolism ; Homeodomain Proteins/genetics ; Homeodomain Proteins/metabolism ; Nerve Tissue Proteins/genetics ; Nerve Tissue Proteins/metabolism ; Paired Box Transcription Factors/genetics ; SOXB1 Transcription Factors/genetics ; SOXB1 Transcription Factors/metabolism ; Transcription Factors/genetics ; Transcription Factors/metabolism ; Animals ; Species Specificity |
| Abstract: | Neurogenic placodes are transient, thickened patches of embryonic vertebrate head ectoderm that give rise to the paired peripheral sense organs and most neurons in cranial sensory ganglia. We present the first analysis of gene expression during neurogenic placode development in a basal actinopterygian (ray-finned fish), the North American paddlefish (Polyodon spathula). Pax3 expression in the profundal placode confirms its homology with the ophthalmic trigeminal placode of amniotes. We report the conservation of expression of Pax2 and Pax8 in the otic and/or epibranchial placodes, Phox2b in epibranchial placode-derived neurons, Sox3 during epibranchial and lateral line placode development, and NeuroD in developing cranial sensory ganglia. We identify Sox3 as a novel marker for developing fields of electrosensory ampullary organs and for ampullary organs themselves. Sox3 is also the first molecular marker for actinopterygian ampullary organs. This is consistent with, though does not prove, a lateral line placode origin for actinopterygian ampullary organs.; (Copyright © 2011 Wiley-Liss, Inc.) |
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| Grant Information: | BB/F00818X/1 United Kingdom BB_ Biotechnology and Biological Sciences Research Council |
| Contributed Indexing: | Indexing Agency: NLM Local ID #: EMS60803. |
| Substance Nomenclature: | 0 (Basic Helix-Loop-Helix Proteins); 0 (Homeodomain Proteins); 0 (Nerve Tissue Proteins); 0 (Paired Box Transcription Factors); 0 (SOXB1 Transcription Factors); 0 (Transcription Factors); 0 (NBPhox protein); 169238-82-8 (Neurogenic differentiation factor 1) |
| Entry Date(s): | Date Created: 20110308 Date Completed: 20110809 Latest Revision: 20260128 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC4212515 |
| DOI: | 10.1002/dvg.20707 |
| PMID: | 21381180 |
| Database: | MEDLINE |
Journal Article; Research Support, Non-U.S. Gov't