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Relevance of chlorine-substituent for the antifungal activity of syringomycin and syringotoxin,metabolites of the phytopathogenic bacteriumPseudomonas syringae pv.syringae
Authors:I Grgurina  A Barca  S Cervigni  M Gallo  A Scaloni  P Pucci
Institution:(1) Dipartimento di Scienze Biochimiche lsquoA. Rossi-Fanellirsquo, Università lsquoLa Sapienzarsquo di Roma, I-00185 Rome;(2) Dipartimento di Biochimica e di Biotecnologie Mediche, Università Federico II, I-80134 Naples;(3) Dipartimento di Chimica Organica e Biologica, Università Federico II, I-80134 Naples, Italy
Abstract:Structural analogues of syringomycin and syringotoxin were produced by fermentation, characterized by FAB-MS and amino acid analysis and compared to the parent compounds in the antibiosis test againstRhodotorula pilimanae. The C-terminal residue was shown to be important for the activity.
Keywords:Pseudomonas syringae pv  syringae  syringomycin  syringotoxin  structural analogues  antibiotic activity
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