Document Detail

Plant proteolytic enzymes: possible roles during programmed cell death.
MedLine Citation:
PMID:  11199397     Owner:  NLM     Status:  MEDLINE    
Proteolytic enzymes are known to be associated with developmentally programmed cell death during organ senescence and tracheary element differentiation. Recent evidence also links proteinases with some types of pathogen- and stress-induced cell suicide. The precise roles of proteinases in these and other plant programmed cell death processes are not understood, however. To provide a framework for consideration of the importance of proteinases during plant cell suicide, characteristics of the best-known proteinases from plants including subtilisin-type and papain-type enzymes, phytepsins, metalloproteinases and the 26S proteasome are summarized. Examples of serine, cysteine, aspartic, metallo- and threonine proteinases linked to animal programmed cell death are cited and the potential for plant proteinases to act as mediators of signal transduction and as effectors of programmed cell death is discussed.
E P Beers; B J Woffenden; C Zhao
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review    
Journal Detail:
Title:  Plant molecular biology     Volume:  44     ISSN:  0167-4412     ISO Abbreviation:  Plant Mol. Biol.     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2001-01-24     Completed Date:  2001-02-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9106343     Medline TA:  Plant Mol Biol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  399-415     Citation Subset:  IM    
Department of Horticulture, Virginia Polytechnic Institute and State University, Blacksburg 24061, USA.
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MeSH Terms
Peptide Hydrolases / physiology*
Plants / cytology,  enzymology*
Reg. No./Substance:
EC 3.4.-/Peptide Hydrolases

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