Document Detail


Grape variety related trans-resveratrol induction affects Aspergillus carbonarius growth and ochratoxin A biosynthesis.
MedLine Citation:
PMID:  22483545     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The paper reports the results of a study performed to investigate the influence of the grape variety on the growth of Aspergillus carbonarius on grape berries and the correlation between the amount of ochratoxin A (OTA) and the content of trans-resveratrol produced after fungal contamination. Variations in the amount of OTA produced by the fungus are observed depending on both grape variety and on the induction of trans-resveratrol determined during the infection. The obtained data suggest that if an increase in trans-resveratrol production in grape berries occurs early after the fungal infection, the berry exploits this compound to control OTA synthesis. If the increase in trans-resveratrol concentration is delayed after fungal infection (40 h), a control of OTA accumulation can not be achieved. The possibility of exerting significant control of OTA biosynthesis by this phytoalexin seems to rely in the promptness of its production, as occurs also in other fungus plant interactions and, in turn, seems to be dependent also on grape cultivar. In this fungus-plant system, trans-resveratrol appears to represent a defence-related compound toward A. carbonarius and OTA contamination.
Authors:
P De Rossi; A Ricelli; M Reverberi; C Bello; A A Fabbri; C Fanelli; A De Rossi; D Corradini; I Nicoletti
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Publication Detail:
Type:  Journal Article     Date:  2012-03-20
Journal Detail:
Title:  International journal of food microbiology     Volume:  156     ISSN:  1879-3460     ISO Abbreviation:  Int. J. Food Microbiol.     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-05-01     Completed Date:  2012-10-11     Revised Date:  2013-06-03    
Medline Journal Info:
Nlm Unique ID:  8412849     Medline TA:  Int J Food Microbiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  127-32     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Unità Tecnica Sviluppo Sostenibile ed Innovazione del Sistema Agro-Industriale-ENEA Via Anguillarese, 301 00123, Roma.
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MeSH Terms
Descriptor/Qualifier:
Aspergillus / growth & development*,  isolation & purification,  metabolism
Food Microbiology
Fruit / microbiology
Ochratoxins / biosynthesis*
Stilbenes / metabolism*
Vitis / classification,  metabolism,  microbiology*
Chemical
Reg. No./Substance:
0/Ochratoxins; 0/Stilbenes; 1779SX6LUY/ochratoxin A; Q369O8926L/resveratrol

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


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