Document Detail


Phases of myogenic cell activation and possible role of dermomyotome cells in teleost muscle formation.
MedLine Citation:
PMID:  16960856     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Present knowledge indicates that fibre recruitment (hyperplasia) in developing teleost fish occurs in three distinct phases. However, the origin and relationship of the myogenic precursors activated during the different phases remains unclear. Here, we address this issue using molecular techniques on embryos and larvae of pearlfish, a large cyprinid species. Results provide comprehensive molecular characterisation of cell recruitment over the three phases of myogenesis, identifying muscle types as they arise. Specifically, we show that the myogenic cells arising during 2nd phase myogenesis are clearly different from the myogenic cells arising during the 3rd phase and that the dermomyotome is a major source of myogenic cells driving 2nd phase hyperplasia. These findings are discussed in relation to their implications for the generality of vertebrate developmental patterns.
Authors:
P Steinbacher; J R Haslett; M Six; H P Gollmann; A M Sänger; W Stoiber
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental dynamics : an official publication of the American Association of Anatomists     Volume:  235     ISSN:  1058-8388     ISO Abbreviation:  Dev. Dyn.     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-10-25     Completed Date:  2007-01-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201927     Medline TA:  Dev Dyn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3132-43     Citation Subset:  IM    
Copyright Information:
(c) 2006 Wiley-Liss, Inc.
Affiliation:
Division of Zoology and Functional Anatomy, Department of Organismic Biology, University of Salzburg, Salzburg, Austria. peter.steinbacher@sbg.ac.at
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Proliferation
Cyprinidae / genetics,  growth & development*,  metabolism
Gene Expression
Muscle Development* / genetics
MyoD Protein / analysis,  genetics,  metabolism
Myoblasts, Skeletal / chemistry,  metabolism,  physiology*
Myogenic Regulatory Factors / analysis,  genetics,  metabolism
Myosin Heavy Chains / analysis,  genetics,  metabolism
PAX7 Transcription Factor / analysis,  metabolism
Chemical
Reg. No./Substance:
0/MyoD Protein; 0/Myogenic Regulatory Factors; 0/Myosin Heavy Chains; 0/PAX7 Transcription Factor

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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