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  • Title: The plant pathogen Erwinia amylovora produces acyl-homoserine lactone signal molecules in vitro and in planta.
    Author: Venturi V, Venuti C, Devescovi G, Lucchese C, Friscina A, Degrassi G, Aguilar C, Mazzucchi U.
    Journal: FEMS Microbiol Lett; 2004 Dec 15; 241(2):179-83. PubMed ID: 15598530.
    Abstract:
    We report for the first time the production of acyl homoserine lactones (AHLs) by Erwina amylovora, an important quarantine bacterial pathogen that causes fire blight in plants. E. amylovora produces one N-acyl homoserine lactone [a N-(3-oxo-hexanoyl)-homoserine lactone or a N-(3-hydroxy-hexanoyl)-homoserine lactone] quorum sensing signal molecule both in vitro and in planta (pear plant). Given the involvement of AHLs in plant pathogenesis, we speculate that AHL-dependent quorum sensing could play an important role in the regulation of E. amylovora virulence.
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