4.7 Article

Metabolites produced by Gnomoniopsis castanea associated with necrosis of chestnut galls

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SPRINGER
DOI: 10.1186/s40538-014-0008-y

Keywords

Dryocosmus kuriphilus; Gnomoniopsis castanea; Abscisic acid; 1',4'-Diolof abscisic acid; Fungal secondary metabolites

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In this manuscript, we report the isolation and characterization of two secondary metabolites produced by a Gnomoniopsis castanea strain isolated in the Campania region (Italy) from chestnut galls infested with Dryocosmus kuriphilus. The compounds, purified from the fungal culture filtrate by using preparative HPLC-DAD, showed the same spectroscopic data of abscisic acid and 1',4'-diol of abscisic acid. Phytotoxic activity of the isolated metabolites on chestnut leaves has been also observed.

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