| Systemic signaling in the wound response. | |
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MedLine Citation:
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PMID: 15939667 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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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. |
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Authors:
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Anthony L Schilmiller; Gregg A Howe |
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Publication Detail:
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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:
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Title: Current opinion in plant biology Volume: 8 ISSN: 1369-5266 ISO Abbreviation: Curr. Opin. Plant Biol. Publication Date: 2005 Aug |
Date Detail:
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Created Date: 2005-06-22 Completed Date: 2005-08-17 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 100883395 Medline TA: Curr Opin Plant Biol Country: United States |
Other Details:
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Languages: eng Pagination: 369-77 Citation Subset: IM |
Affiliation:
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Department of Energy - Plant Research Laboratory and Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cyclopentanes
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metabolism Gene Expression Regulation, Plant / physiology* Oxylipins Plant Growth Regulators / physiology Plant Leaves / metabolism Plants / metabolism* Signal Transduction / physiology* |
| Grant Support | |
ID/Acronym/Agency:
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R01GM57795/GM/NIGMS NIH HHS |
| Chemical | |
Reg. No./Substance:
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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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