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Type: Artigo de periódico
Title: Acyl-homoserine lactones from Erwinia psidii R. IBSBF 435(T), a guava phytopathogen (Psidium guajava L.)
Author: Pomini, AM
Manfio, GP
Araujo, WL
Marsaioli, AJ
Abstract: The phytopathogen Erwinia psidii R. IBSBF 435(T) causes rot in branches, flowers, and fruits of guava (Psidium guajava L.), being responsible for crop losses, and has no effective control. It was demonstrated that this strain produces two compounds [S-(-)-N-hexanoyl and N-heptanoyl-homoserine lactone], both belonging to the class of quorum-sensing signaling substances. A protocol using gas chromatography-flame ionization detection with chiral stationary phase is described for the absolute configuration determination of a natural acyl-homoserine lactone. Biological assays with specific reporter and synthesis of identified substances are also described. This is the first report on the N-heptanoyl-homoserine lactone occurrence in the Erwinia genus.
Subject: acyl-homoserine lactones
Erwinia psidii R.
Psidium guajava L.
Country: EUA
Editor: Amer Chemical Soc
Rights: fechado
Identifier DOI: 10.1021/jf050586e
Date Issue: 2005
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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