Strategies for Instigation of Fungal Resistance in Plants via Biotechnological Techniques

Kamran Iqbal Shinwari

Abstract


Numerous pathogenic fungi attack plants, cause diseases and harm the plants. These incidents have become a chief dilemma and its management is very essential. Conventional breeding approaches are incapable to reduce this problem so methods of transgenic technologies are applied. Many genes have been introduced into plants and the enhanced resistance against fungi has been achieved. These strategies include transferring genes that express proteins, peptides or antifungal compounds that are directly toxic to fungal pathogens or that inhibit or decrease their growth. The transgenic gene products directly halt pathogen virulence factors or activate plant structural defense genes which enhance regular plant defense responses. In addition to these, biotechnological strategies involving pathogenesis related proteins, ribosome inactivating proteins, viral proteins, and degradation of fungal mycotoxins are also used. In this review all these steps are elaborated and recent progress in fungal diseases control are highlighted with explicit examples.


Keywords


Antifungal proteins, Chitanases, Fusarium sp., Host defense, Pathogenesis, Totiviruses

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