Microfibrillar orientation of radially enlarged cells of coumarin- and colchicine-treated pine seedlings
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概要
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The wall structure of cortical parenchyma cells swollen by coumarin or colchicine was investigated using replicating and sectioning techniques. Three main types of microfibrillar orientation, which were found to be similar to those of the wall structure of the control cells, were observed in the innermost surface of the walls of both coumarin- and colchicine-treated cells; one was parallel, one was oblique, and the third was perpendicular to the main cell axis. No microtubules were found in the cortical cytoplasm of colchicine-treated cells. However, both longitudinally and transversely oriented microtubules, the distribution of which was sparse, were observed immediately under the plasmalemma of control and coumarin-treated cells. These observations are discussed in relation to the changes in cell shape and microfibrillar orientation.
- 日本植物生理学会の論文
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