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T-DNA transfer and integration in the ectomycorrhizal fungus Suillus bovinus using hygromycin B as a selectable marker

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Abstract.

The T-DNA of Agrobacterium tumefaciens can be transferred to plants, yeasts, fungi and human cells. Using this system, dikaryotic mycelium of the ectomycorrhizal fungus Suillus bovinus was transformed with recombinant hygromycin B phosphotransferase (hph) and enhanced green fluorescent protein (EGFP) genes fused with a heterologous fungal promoter and CaMV 35S terminator. Transformation resulted in hygromycin B-resistant clones, which were mitotically stable. Putative transformants were analysed for the presence of hph and EGFP genes by PCR and Southern analysis. The latter analysis proved both multiple- and single-copy integrations of the genes in the S. bovinus genome. A. tumefaciens transformation should make possible the development of tagged mutagenesis and targeted gene disruption technology for S. bovinus.

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Hanif, M., Pardo, A., Gorfer, M. et al. T-DNA transfer and integration in the ectomycorrhizal fungus Suillus bovinus using hygromycin B as a selectable marker. Curr Genet 41, 183–188 (2002). https://doi.org/10.1007/s00294-002-0297-8

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  • DOI: https://doi.org/10.1007/s00294-002-0297-8

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