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KMID : 0364219850280020071
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Korean Journal of Zoology
1985 Volume.28 No. 2 p.71 ~ p.84
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Changes in the RNA and Protein Synthesis at the Pre- and Post fertilization Stages of a Sea Urchin, Hemicentrotus pulcherrimus
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Jang Jeong-Won
Lee Yang-Rim
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Abstract
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Syntheses of RNA and protein were studied to examine changes in activating stored mRNAs during the early development of a sea urchin, Hemicentrotus pulcherimus. The rates of RNA and protein syntheses are very low in the unferilized eggs but the protein synthesis is activated upon the fertilization, while RNA synthesis remains still inactive at the same stage. These rates increase drastically at the blastula and gastrula stages, although the increases are not exactly in parallel. The protein synthesis was found to be also changing in quality during the early development from the studies by the two-dimensional gel electrophoresis.
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