Document Detail


Systemic signaling in the wound response.
MedLine Citation:
PMID:  15939667     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In many plants, localized tissue damage elicits an array of systemic defense responses against herbivore attack. Progress in our understanding of the long-distance signaling events that control these responses has been aided by the identification of mutants that fail to mount systemic defenses in response to wounding. Grafting experiments conducted with various mutants of tomato indicate that systemic signaling requires both the biosynthesis of jasmonic acid at the site of wounding and the ability to perceive a jasmonate signal in remote tissues. These and other studies support the hypothesis that jasmonic acid regulates the production of, or acts as, a mobile wound signal. Following its synthesis in peroxisomes, further metabolism of jasmonic acid might enhance its stability, transport, or action in remote tissues. Recent studies in tomato suggest that the peptide signal systemin promotes long-distance defense responses by amplifying jasmonate production in vascular tissues.
Authors:
Anthony L Schilmiller; Gregg A Howe
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.; Review    
Journal Detail:
Title:  Current opinion in plant biology     Volume:  8     ISSN:  1369-5266     ISO Abbreviation:  Curr. Opin. Plant Biol.     Publication Date:  2005 Aug 
Date Detail:
Created Date:  2005-06-22     Completed Date:  2005-08-17     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  100883395     Medline TA:  Curr Opin Plant Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  369-77     Citation Subset:  IM    
Affiliation:
Department of Energy - Plant Research Laboratory and Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA.
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MeSH Terms
Descriptor/Qualifier:
Cyclopentanes / metabolism
Gene Expression Regulation, Plant / physiology*
Oxylipins
Plant Growth Regulators / physiology
Plant Leaves / metabolism
Plants / metabolism*
Signal Transduction / physiology*
Grant Support
ID/Acronym/Agency:
R01GM57795/GM/NIGMS NIH HHS
Chemical
Reg. No./Substance:
0/Cyclopentanes; 0/Oxylipins; 0/Plant Growth Regulators; 6894-38-8/jasmonic acid

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


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