A protein from the mold Aspergillus giganteus is a potent inhibitor of fungal plant pathogens. |
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| Authors: | L Vila V Lacadena P Fontanet A Martinez del Pozo B San Segundo |
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| Affiliation: | Departamento de Genética Molecular, Instituto de Biología Molecular de Barcelona, CID-CSIC, Spain. |
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| Abstract: | A purified preparation of antifungal protein (AFP) from Aspergillus giganteus exhibited potent antifungal activity against the phytopathogenic fungi Magnaporthe grisea and Fusarium moniliforme, as well as the oomycete pathogen Phytophthora infestans. Under conditions of total inhibition of fungal growth, no toxicity of AFP toward rice protoplasts was observed. Additionally, application of AFP on rice plants completely inhibited M. grisea growth. These results are discussed in relation to the potential of the afp gene to enhance crop protection against fungal pathogens in transgenic plants. |
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