Rod-shaped accumulations in cisternae of the endoplasmic reticulum in root cells of Lepidium sativum seedlings |
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Authors: | Tor-Henning Iversen Per R Flood |
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Institution: | (1) Botanical Laboratory, University of Bergen, Bergen, Norway;(2) Institute of Anatomy, University of Bergen, Bergen, Norway |
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Abstract: | Summary Ultrathin sections through the median plane of norm al, 48-hrs-old seedling roots of cress, showed the presence of accumulations of a finely fibrillar material. These inclusions were confined to the cisternae of the granular endoplasmic reticulum of surface cell layers of the root tip and the root-hair zone. The rod-shaped structure and random orientation of these inclusions were clearly seen in 3-dimensional reconstructions of serial ultrathin sections. |
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