Ribonuclease Activity Associated With Ribosomes of Zea mays
- 1 September 1968
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 43 (9) , 1355-1361
- https://doi.org/10.1104/pp.43.9.1355
Abstract
At pH 6.5, a ribonuclease(s) is associated with ribosomes isolated from corn (Zea mays L.) and cannot be removed by repeated differential centrifugation or by sedimenting through the sucrose gradient. The enzyme is active under conditions favoring the maintenance of integrity of the ribosomes. Little or no latent ribonuclease appears to be present. The activity of the enzyme at pH 5.8 is stimulated by KCl and inhibited by polyvinyl sulfate, zinc, and bentonite. Deoxyribonuclease is also found on the particles.Keywords
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