Structure of rough, smooth, stripped and reconstituted rough membranes derived from rat liver as visualized by the freeze fracture technique
✍ Scribed by Abraham A. Hochberg; Henryk H. Czosnek; Yehudit Reichler; Itzhak Ohad; Nathan Groot
- Publisher
- Springer
- Year
- 1975
- Tongue
- English
- Weight
- 762 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0301-4851
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✦ Synopsis
The structure of purified fractions of rough, smooth, stripped rough and reconstituted rough membranes have been investigated by the freeze etching technique. Preparations of rough and reconstituted rough membranes, active in protein synthesis, show vesicles whose outer surface is covered with ribosome-like particles. The inner surface of these vesicles contains also numerous particles of the same size. The particles located on the outer surface are largely absent in the stripped rough membrane preparations which, however, retain the particles located on the inner face. Particles were not seen either on the outer nor on the inner face of the smooth membranes. The possibility is considered that the particles located on the inner face are specific to the rough membranes and might play a role in the specific binding of ribosomes to the membranes. Molecular Biology Reports 2 (1975) 311-319. All Rights Reserved.