Long-Lived Messenger RNA: Evidence from Cotton Seed Germination

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Science  22 Jan 1965:
Vol. 147, Issue 3656, pp. 410-412
DOI: 10.1126/science.147.3656.410


In germinating cotton embryos the partial inhibition of RNA synthesis by actinomycin D does not inhibit the incorporation of leucine-14C into soluble protein nor cause a loss of polyribosomes during the first 16 hours of germination. This suggests that the protein synthesis observed during this period is directed by messenger RNA which exists in the mature seed and which is not rapidly degraded and resynthesized.

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