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. 1993 Jan;23(1):42-6.
doi: 10.1007/BF00336748.

Transformation of four pathogenic Phytophthora spp by microprojectile bombardment on intact mycelia

A M Bailey  1 , G L Mena, L Herrera-Estrella
Affiliations

Transformation of four pathogenic Phytophthora spp by microprojectile bombardment on intact mycelia

A M Bailey et al. Curr Genet. 1993 Jan.

Abstract

Phytophthora capsici, P. citricola, P. cinnamomi and P. citrophthora were transformed without the removal of cell walls by particle acceleration with plasmids containing the beta-glucuronidase gene and hygromycin B resistance. Transformants were detected by histochemical and fluorometric beta-glucuronidase assays and confirmed by Southern-blot hybridization. It was found that the promoter of a plant virus is functional in Phytophthora. In addition, a method was designed to visually identify homogeneous transformed colonies, derived from zoospores of transformed multinucleated Phytophthora mycelia, based on blue color development on plates containing X-Gluc.

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