An ABC transporter and a cytochrome P450 of Nectria haematococca MPVI are virulence factors on pea and are the major tolerance mechanisms to the phytoalexin pisatin.

Abstract excerpt

The fungal plant pathogen Nectria haematococca MPVI produces a cytochrome P450 that is responsible for detoxifying the phytoalexin pisatin, produced as a defense mechanism by its host, garden pea. In this study, we demonstrate that this fungus also produces a specific ATP-binding cassette (ABC) transporter, NhABC1, that enhances its tolerance to pisatin. In addition, although both mechanisms individually...

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