Nucleic acid metabolism in cold-treated wheat embryos |
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| Authors: | Ishikawa, Koh Ishikawa, Hiroko A. Usami, Shoichiro |
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| Affiliation: | Department of Botany, Faculty of Science, Hokkaido University Sapporo, Japan |
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| Abstract: | The incorporation of 32P into nucleic acid fractions separatedon a MAK column was compared for normally germinated and cold-treatedwheat embryos. 32P accumulation in DNA fraction was decreasedby cold treatment, although that in the RNA fractions was slightlypromoted. The synthesis of the fraction, probably mRNA, elutedafter the peak of heavy rRNA was enhanced in cold-treated embryosand suppressed when the embryos were cold-treated in the presenceof 8-azaguanine, an inhibitor of vernalization. (Received May 2, 1975; ) |
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