## Abstract Oocyte ribosomes stimulate H^3^β5βuridine incorporation into RNA when microinjected into the vegetal cells of early cleavage embryos. Preparations with a low percentage of monosomes, such as those of swimming larvae and adult frog liver, give little stimulation. E. __coli__ ribosomes fa
Effect of Rate of Cell Division on RNA Synthesis in Developing Frog Embryos
β Scribed by FLICKINGER, R. A.; DANIEL, J. C.; GREENE, R. F.
- Book ID
- 109675949
- Publisher
- Nature Publishing Group
- Year
- 1970
- Tongue
- English
- Weight
- 425 KB
- Volume
- 228
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/228557a0
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Cytochalasin H (CH) brought about cellular disaggregation resulting into arrest of development in the embryos of the frog, Microhyla ornata. The effects were dependent on the dose of CH, duration of the treatment as well as on developmental stage of the embryo at the beginning of the treatment. The
## Abstract The effect of inhibitors of RNA synthesis (Cordycepin, Actinomycin D) and protein synthesis (Cycloheximide) on the development and growth of mouse blastocysts in vitro was explored. Blastocysts exposed in vitro for 24 hours to 50 ΞΌg/ml Cordycepin, 0.005 ΞΌg/ml Actinomycin D, or 0.1 ΞΌg/ml