Inhibitions of Growth and Lateral Branch Development by Calmodulin Antagonists in Hairy Roots of Lithospermum erythrorhizon, Atropa belladonna and Daucus carota
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Hairy roots of Lithospermum erythrorhizon, belladonna and carrot, which were induced by inoculation with Agrobacterium rhizogenes harboring the Ri plasmid, were cultured on a medium containing 0.1, 1, 10, 30 or 100μM W-7 or W-5, calmodulin antagonists. Growth rates of L. erythrorhizon and belladonna hairy roots cultured on all media containing W-7 were lower than that of the roots cultured without W-7. Growth of carrot hairy roots was inhibited by W-7 above 30μM. Inhibition rates of the root growth by high concentrations of W-5 were lower than those of the growth by the same concentrations of W-7. In the case ofthe development of lateral roots on hairy roots, 30 and 100μM W-7 or W-5 inhibited formation of lateral roots. The number of lateral roots formed by culturing on a medium containing W-7 was lower than that of the roots formed on the medium containing W-5. These results strictly suggest that calmodulin acts upon the growth of hairy roots and the development of lateral roots on hairy roots.
雑誌名
山形大学紀要. 自然科学 = Bulletin of Yamagata University. Natural Science
Inhibitions of Growth and Lateral Branch Development by Calmodulin Antagonists in Hairy Roots of Lithospermum erythrorhizon, Atropa belladonna and Daucus carota
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