Document Detail


Cell rearrangement and cell division during the tissue level morphogenesis of evaginating Drosophila imaginal discs.
MedLine Citation:
PMID:  18082159     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The evagination of Drosophila imaginal discs is a classic system for studying tissue level morphogenesis. Evagination involves a dramatic change in morphology and published data argue that this is mediated by cell shape changes. We have reexamined the evagination of both the leg and wing discs and find that the process involves cell rearrangement and that cell divisions take place during the process. The number of cells across the width of the ptc domain in the wing and the omb domain in the leg decreased as the tissue extended during evagination and we observed cell rearrangement to be common during this period. In addition, almost half of the cells in the region of the leg examined divided between 4 and 8 h after white prepupae formation. Interestingly, these divisions were not typically oriented parallel to the axis of elongation. Our observations show that disc evagination involves multiple cellular behaviors, as is the case for many other morphogenetic processes.
Authors:
Job Taylor; Paul N Adler
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2007-11-19
Journal Detail:
Title:  Developmental biology     Volume:  313     ISSN:  1095-564X     ISO Abbreviation:  Dev. Biol.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-14     Completed Date:  2008-02-26     Revised Date:  2014-09-16    
Medline Journal Info:
Nlm Unique ID:  0372762     Medline TA:  Dev Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  739-51     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Division*
Cell Polarity
Drosophila / embryology*
Embryo, Nonmammalian
Extremities / growth & development,  physiology
Gene Expression Regulation, Developmental
Green Fluorescent Proteins / metabolism
Larva / cytology,  growth & development
Metamorphosis, Biological / physiology
Microscopy, Video
Models, Biological
Morphogenesis*
Pupa / cytology,  growth & development
Wing / cytology,  physiology
Grant Support
ID/Acronym/Agency:
R01 GM037163/GM/NIGMS NIH HHS; R01 GM037163-22/GM/NIGMS NIH HHS
Chemical
Reg. No./Substance:
147336-22-9/Green Fluorescent Proteins
Comments/Corrections

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


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