Biochemical Changes In Potato Tuber Tissue Stressed With Fatty Acids

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Date
1983
Authors
Gladyse N K.M
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Graduate School West Virginia University
Abstract
Hypersensitivity in plants in response to fungal penetration is a common type of disease resistance. It is characterized by localized rapid cell death at the site of penetration, frequently by the accumulation of fungistatic chemicals called phytoalexins in the dead cells and by the confinement of the pathogenic fungus wi thin that locus. Fac,tors in fungal cell wall and mycelial hcmogenates, called "elicitors", cause a similar response when applied to plant tissues, usually irrespective of the nature of pathogenicity of the fungus before isolation of the elicitors. In the case of potato (Solanum tuberosum L.) and Phytophthora infestans (Mont.) de Barry, the elicitors have been shown to be highly unsaturated fatty acids, including arachidonic acid.
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