Document Detail

Is membrane potential involved in calmodulin gene expression after external stimulation in plants?
MedLine Citation:
PMID:  8603755     Owner:  NLM     Status:  MEDLINE    
In Bidens pilosa (cv. radiata), a non-injurious stimulus induces a local and transient change in membrane potential, and an injurious stimulus induces a transmitted electrical signal described as the combination of an action potential and a slow wave. We have studied calmodulin gene expression after these stimuli. When the stimulus is non-injurious, calmodulin mRNA accumulation is only increased in the stimulated region. In contrast, when the stimulus is injurious, mRNA accumulation takes place in both wounded and distant, unwounded tissue. We propose that the slow wave plays a role in the long-distance transmission of a wound-induced information in plants.
A Vian; C Henry-Vian; R Schantz; G Ledoigt; J M Frachisse; M O Desbiez; J L Julien
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  FEBS letters     Volume:  380     ISSN:  0014-5793     ISO Abbreviation:  FEBS Lett.     Publication Date:  1996 Feb 
Date Detail:
Created Date:  1996-05-15     Completed Date:  1996-05-15     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0155157     Medline TA:  FEBS Lett     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  93-6     Citation Subset:  IM    
Unité associée INRA-Université Blaise Pascal Bioclimatologie-PIAF, Clermont-Ferrand, France.
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MeSH Terms
Calmodulin / genetics*
Gene Expression Regulation, Plant / physiology*
Hot Temperature
Membrane Potentials
Plant Physiological Phenomena*
Plants / genetics
RNA, Messenger / biosynthesis
RNA, Plant / biosynthesis
Reg. No./Substance:
0/Calmodulin; 0/RNA, Messenger; 0/RNA, Plant; 7732-18-5/Water

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