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Mol Plant Pathol. 2001 Jul 1;2(4):241-55. doi: 10.1046/j.1464-6722.2001.00070.x.

Pathogenicity genes of phytopathogenic fungi.

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School of Botany, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia.


Recently many fungal genes have been identified that, when disrupted, result in strains with a reduction or total loss of disease symptoms. Such pathogenicity genes are the subject of this review. The large number of pathogenicity genes identified is due to the application of tagged mutagenesis techniques (random or targeted). Genes have been identified with roles in the formation of infection structures, cell wall degradation, overcoming or avoiding plant defences, responding to the host environment, production of toxins, and in signal cascades. Additionally, genes with no database matches and with 'novel' functions have also been found. Improved technologies for mutation analysis and for sequencing and analysing fungal genomes hold promise for identifying many more pathogenicity genes.

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