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Published May 1968 | Published
Journal Article Open

Evidence for the appearance of novel gene products during amphibian blastulation

Abstract

Genetic information begins to be transcribed during early cleavage in amphibian embryos,(1,2) and the tempo of informational RNA synthesis increases gradually through cleavage and into the early blastula stage. Previous studies from this laboratory (3,4) have shown that at this point a remarkable, near embryo-wide acceleration of informational RNA synthesis occurs, resulting during the mid-tolate blastular period in at least a 20-fold increase in the rate of synthesis of heterogeneously sedimenting, DNA-like RNA.

Additional Information

© 1968 by the National Academy of Sciences. Communicated February 20, 1968. This work was supported by American Cancer Society grant E-334 B and by National Institute of Child Health and Development grant HD 02412-02.

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August 21, 2023
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