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Type: Artigo de periódico
Title: Structural elucidation and biological activity of acyl-homoserine lactones from the phytopathogen Pantoea ananatis serrano 1928
Author: Pomini, AM
Araujo, WL
Marsaioli, AJ
Abstract: In Gram-negative bacteria, the acyl-homoserine lactones (acyl-HSLs) are the main signaling substances employed in cell-to-cell communication systems. This paper describes the chemical characterization of acyl-HSLs produced by the worldwide-spread phytopathogen Pantoea ananatis (Serrano 1928) by using gas chromatography-electron impact mass spectrometry. The absolute configuration of the major identified substance, (S)-(-)-N-hexanoyl-HSL, was determined with gas chromatography-flame ionization detection with a chiral capillary column. Biological activities of extracts, fractions, and synthetic products were evaluated with the specific reporter Agrobacterium tumefaciensNTL4(pZLR4) in beta-galactosidase expression assays.
Subject: Pantoea ananatis
acyl-homoserine lactones
absolute configuration
Agrobacterium tumefaciens reporter assay
Country: Holanda
Editor: Springer
Citation: Journal Of Chemical Ecology. Springer, v. 32, n. 8, n. 1769, n. 1778, 2006.
Rights: fechado
Identifier DOI: 10.1007/s10886-006-9108-x
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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