Document Detail

Phenolics and their Antifungal Role in Grapevine Wood Decay: Focus on the Botryosphaeriaceae Family.
MedLine Citation:
PMID:  23145924     Owner:  NLM     Status:  Publisher    
The interaction between Vitis vinifera and trunk disease fungi requires better understanding. We studied the role of phenolics as possible plant defense compounds in this context. The impact of 24 grapevine phenolic compounds was determined on 6 major wood decay fungi by an in vitro agar plate assay. Hydroxystilbenoids, especially oligomers such as miyabenol C, isohopeaphenol and vitisin A and B, greatly reduced the growth of the fungi, except that of Phaeoacremonium aleophilum. A detailed investigation in 10 Botrysophaeriaceae strains revealed that all the studied members of this family display a common susceptibility to phenolics that is more or less significant. Then we undertook a quantitative analysis of stilbenoid content in grapevine plantlets inoculated with Botryosphaeriaceae to investigate whether in planta these fungi have to counteract the most active phenolics, such as hydroxystilbenoids. Based on our results, the possible role of phenolics in grapevine defense against trunk disease agents is discussed.
Carole Lambert; Jonathan Bisson; Pierre Waffo-Teguo; Yorgos Papastamoulis; Tristan Richard; Marie France Corio Costet; Jean-Michel Merillon; Stéphanie Cluzet
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-13
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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