Plant and Cell Physiology, 1974, Vol. 15, No. 6 1055-1062
© 1974
Article |
The effect of low temperature upon the polyribosome, nucleic acid and protein content of potato leaves1,2
Laboratory of Plant Hardiness, Department of Horticultural Science, University of Minnesota St. Paul, Minnesota 55101, U.S.A.
Short periods of low temperature exposure, or longer periods of cool temperature growth did not cause a decline or "run-off" of potato leaf polyribosomes. In fact, polyribosome levels were higher in the leaves of plants grown in the cool temperature regime. The ribosomal RNA levels were higher in cool grown leaves after day 12 of treatment, while the protein and amino acid levels did not exhibit a dramatic change. The results are discussed in respect to efficient plant protein synthesis in cooler climates.
1This research was supported in part by a grant from the Rockefeller Foundation.
2Scientific Journal Series Article 8745 of the Minnesota Agricultural Experiment Station.
(Received June 20, 1974; )
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