Ribosomal RNA Synthesis in Newly Sliced Discs of Potato Tuber
Authors:
- George G. LatiesGLGeorge G. Laties
- 1 July 1968
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 43 (7) , 1011-1016
Abstract
A burst of ribosomal RNA synthesis is induced in potato tissue by slicing, and continues at a decreasing rate for about 12 hr. Ribosomal RNA synthesis in potato discs is sensitive to puromycin, in contrast to non-ribosomal RNA synthesis. Thus, the influence of puromycin on total RNA symthesis is significant only during the first 12 hr. following slicing. The function of RNA made after 12 hr. in a puromycin-insen-sitive manner is unknown. However, it is apparently unrelated to protein synthesis, since it has been shown that total inhibition of RNA synthesis by addition of actinomycin D to potato tissue after 12 hr. of aging has no effect upon protein synthesis during the ensuing 12 hr.Keywords
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