SYNTHESIS OF RIBOSOMAL RNA DURING SEA URCHIN DEVELOPMENT .2. ELECTROPHORETIC ANALYSIS OF NUCLEAR AND CYTOPLASMIC RNAS

被引：27

作者：

GIUDICE, G

MUTOLO, V

机构：

[1] Laboratory of Comparative Anatomy of the University, Palermo

[2] Research Unit for Molecular Embryology, the C.N.R., Palermo

来源：

BIOCHIMICA ET BIOPHYSICA ACTA | 1969年 / 179卷 / 02期

关键词：

D O I：

10.1016/0005-2787(69)90042-2

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The kinetics of in vivo labelling of nuclear and cytoplasmic RNA has been studied by acrylamide gel electrophoresis in sea urchin embryos at the stages of blastula and gastrula. A rapidly labelled and slowly migrating RNA has been detected at both stages. Its specific activity reaches much higher levels in the nucleus than in the cytoplasm, where its decay is slower. The synthesis of a nuclear precursor of ribosomal RNA, particularly at the gastrula stage, is suggested. © 1969.

引用

页码：341 / &

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