Document Detail

Local interactions shape plant cells.
MedLine Citation:
PMID:  16343888     Owner:  NLM     Status:  MEDLINE    
Plant cell expansion is usually attributed to the considerable osmotic pressure that develops within and impinges upon the cell boundary. Whereas turgor containment within expandable walls explains global expansion, the scalar nature of turgor does not directly suggest a mechanism for achieving the localized, differential growth that is responsible for the diversity of plant-cell forms. The key to achieving local growth in plant cells appears to lie not in harnessing turgor but in using it to identify weak regions in the cell boundary and thus creating discrete intracellular domains for targeting the growth machinery. Membrane-interacting phospholipases, Rho-like proteins and their interactors, an actin-modulating ARP2/3 complex with its upstream regulators, and actin-microtubule interactions play important roles in the intracellular cooperation to shape plant cells.
Jaideep Mathur
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2005-12-15
Journal Detail:
Title:  Current opinion in cell biology     Volume:  18     ISSN:  0955-0674     ISO Abbreviation:  Curr. Opin. Cell Biol.     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-01-23     Completed Date:  2006-04-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8913428     Medline TA:  Curr Opin Cell Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  40-6     Citation Subset:  IM    
Laboratory of Molecular Cell Biology, Department of Plant Agriculture, Crop Science Bldg., 50 Stone Road, Guelph, Ontario, N1G 2W1, Canada.
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MeSH Terms
Actin-Related Protein 2-3 Complex / metabolism
Cell Movement / physiology
Cell Polarity
Cell Surface Extensions / metabolism*
Cytoskeleton / chemistry*,  metabolism*
Models, Biological
Plant Proteins / metabolism*
Plants / cytology*
Reg. No./Substance:
0/Actin-Related Protein 2-3 Complex; 0/Plant Proteins

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