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  • Title: [Wheat germ agglutinin participates in regulation of cell division in apical root meristem of wheat seedlings].
    Author: Bezrukova MV, Kil'dibekova AP, Aval'baev AM, Shakirova FM.
    Journal: Tsitologiia; 2004; 46(1):35-8. PubMed ID: 15112429.
    Abstract:
    A study was made of cell division activity and hormonal status in roots of 4 day old wheat seedling treated with wheat germ agglutinin (WGA). The revealed stimulating effect of WGA on mitotic index (MI) and cell area in root extension zone was specific for this lectin, because gliadin, taken as a control protein, caused no changes in growth parameters. Phytolectins (phytohemagglutinin and concanavalin A) possessing properties of mitogens rendered no such essential influence on cell growth of wheat. Immunoassay has shown that WGA-treatment leads to accumulation of auxins and cytokinins in roots. This suggest participation of WGA in regulation of MI of meristem cells in roots of seedlings during their interaction with phytohormones.
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