Document Detail

bmp2b and bmp4 are dispensable for zebrafish tooth development.
MedLine Citation:
PMID:  21038444     Owner:  NLM     Status:  In-Process    
Bone morphogenetic protein (Bmp) signaling has been shown to play important roles in tooth development at virtually all stages from initiation to hard tissue formation. The specific ligands involved in these processes have not been directly tested by loss-of-function experiments, however. We used morpholino antisense oligonucleotides and mutant analysis in the zebrafish to reduce or eliminate the function of bmp2b and bmp4, two ligands known to be expressed in zebrafish teeth and whose mammalian orthologs are thought to play important roles in tooth development. Surprisingly, we found that elimination of function of these two genes singly and in combination did not prevent the formation of mature, attached teeth. The mostly likely explanation for this result is functional redundancy with other Bmp ligands, which may differ between the zebrafish and the mouse.
Sarah B Wise; David W Stock
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Developmental dynamics : an official publication of the American Association of Anatomists     Volume:  239     ISSN:  1097-0177     ISO Abbreviation:  Dev. Dyn.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-11-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201927     Medline TA:  Dev Dyn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2534-46     Citation Subset:  IM    
Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado 80309-0449, USA.
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