Induction of Phytohemagglutinin Activity by Arachidonic Acid in in vitro Potato Plants

Induction of Phytohemagglutinin Activity by Arachidonic Acid in in vitro Potato Plants Tube-grown potato (Solanum tuberosum L., cv. Nevskii) plants treated with arachidonic acid (AA) were used as a model to study the activity of phytohemagglutinins (PHA) during induction of the plant antiviral defense system. Plant treatment with 10–8 M AA and also their inoculation with potato viruses X, Y, and M resulted in the increased activity of PHAs in potato shoots. The inducer of antiviral resistance behaved as a modulator of the PHA activity providing for its various levels during the development of viral infection. During the development of AA-induced systemic resistance, the level of phytohemagglutinin activity did not essentially depend on the nature of the viral pathogen. We suggested that the mechanism of AA-induced plant antiviral defense was connected with changes in the PHA activity. Russian Journal of Plant Physiology Springer Journals

Induction of Phytohemagglutinin Activity by Arachidonic Acid in in vitro Potato Plants

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Life Sciences; Plant Sciences
Publisher site
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