scholarly journals Inhibitor of ribosomal RNA synthesis in Xenopus laevis embryos. VII. Inhibition of 40S pre-rRNA synthesis in Xenopus neurula cells.

1984 ◽  
Vol 9 (1) ◽  
pp. 97-102 ◽  
Author(s):  
Koichiro Shiokawa
Keyword(s):  
Xenopus Laevis ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Rrna Synthesis ◽  
Xenopus Laevis Embryos

Inhibitor of ribosomal RNA synthesis in Xenopus laevis embryos

1977 ◽  
Vol 57 (1) ◽  
pp. 210-214 ◽  
Author(s):  
K. Shiokawa ◽  
A. Kawahara ◽  
Y. Misumi ◽  
Y. Yasuda ◽  
K. Yamana
Keyword(s):  
Xenopus Laevis ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Xenopus Laevis Embryos

Inhibitor of ribosomal RNA synthesis in Xenopus laevis embryos

1968 ◽  
Vol 52 (1) ◽  
pp. 252-260 ◽  
Author(s):  
K. Wada ◽  
K. Shiokawa ◽  
K. Yamana
Keyword(s):  
Xenopus Laevis ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Xenopus Laevis Embryos

Synthesis of RNA in oocytes of Xenopus laevis during culture in vitro

Development ◽  
1974 ◽  
Vol 32 (2) ◽  
pp. 515-532
Author(s):  
A. Colman
Keyword(s):  
Xenopus Laevis ◽  
In Vitro Culture ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Culture Medium ◽  
Salt Medium ◽  
Complex Media ◽  
18S Ribosomal Rna ◽  
Rna Precursor

RNA synthesis can be maintained in large oocytes of Xenopus laevis during periods of in vitro culture of at least 10 days. A simple salt medium, modified Barth's solution, is found to be as effective a culture medium for these oocytes as several other complex media. The newly synthesized RNA is characterized electrophoretically and shown to consist predominantly of ribosomal RNA precursor, 28S and 18S ribosomal RNA, and 4S RNA. The distribution of this RNA within the oocyte is detected autoradiographically, where it is found to be greatly concentrated over the nucleoli. No qualitative alterations in either of these parameters are found during culture, within the limits of sensitivity of the assay procedures.

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