Abstract
USING ribonuclease as an analytical tool, Gale and Folkes1 have recently brought forward new evidence for the hypothesis that ribonucleic acid plays an important part in protein synthesis2,3. A recent report, by Kaufmann and Das4, that ribonuclease induces mitotic abnormalities in root-tip cells, shows that the enzyme actually can penetrate into living root-tips. These findings led to the present study on the effects of ribonuclease on the metabolism of nucleic acids, protein and respiration in onion root-tips. The experiments have been performed with the technical help of J. Brygier, E. Baltus and F. Vanderhaeghe.
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References
Gale, E. F., and Folkes, J. P., Nature, 173, 1223 (1954).
Caspersson, T., Naturwiss., 29, 33 (1941).
Brachet, J., Arch. Biol., 53, 207 (1941).
Kaufmann, B. P., and Das, N. K., Carnegie Institution of Washington Year Book No. 52, 238 (1953).
Ogur, M., and Rosen, G., Arch. Biochem., 25, 262 (1950).
Mazia, D., Brewer, P., and Alfert, M., Biol. Bull., 104, 57 (1953).
Ficq, A., Experientia, 9, 377 (1953).
Dounce, A. L., Enzymologia, 15, 251 (1952).
Brachet, J., Colston Soc. Symp., Bristol, [7, 91 (1954)]
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BRACHET, J. Effects of Ribonuclease on the Metabolism of Living Root-Tip Cells. Nature 174, 876–877 (1954). https://doi.org/10.1038/174876a0
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DOI: https://doi.org/10.1038/174876a0
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