The sequence of initiation of RNA, DNA and protein synthesis in the wheat grains during germination |
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Authors: | Ewa Rejman and Jerzy Buchowicz |
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Affiliation: | Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland |
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Abstract: | The syntheses of main macromolecular substances, in a whole wheat grain allowed to germinate, are triggered in the following order: RNA, protein, DNA. The RNA synthesis, as judged by [2-14C]uridine incorporation, is initiated almost immediately after the seeds are exposed to the optimal germination conditions, whereas [1-14C]leucine and [2-14C]thymidine incorporation begins to occur only 3 and 4 hr later, respectively. The initiation of protein synthesis is accompanied by an apparent cessation of uridine incorporation. |
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