Instability of thymidine kinase in plant extracts |
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| Authors: | Brunori, Alberto Hotta, Yasuo Stern, Herbert |
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| Affiliation: | Department of Biology, University of California San Diego, P.O. Box 109, La Jolla, California 92037, U.S.A. |
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| Abstract: | Thymidine kinase and phosphotransferase activities were assayedin various plant tissues to examine claims that phosphotransferaseis the dominant phosphorylating mechanism. Results showed thatthymidine kinase is the principal activity in young tissuesand that its apparent absence is due to the relatively highinstability of the enzyme in plant extracts. 1Present address: Lab. Applicazioni Agricoltura, CSN Casaccia,Roma, Italy. (Received December 5, 1973; ) |
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