scholarly journals Ribosomal RNA Synthesis in Sea Urchin Embryos: Differential Rates of Accumulation in Chemically-induced Animalized and Vegetalized Larvae. (animalization/vegetalization/rRNA synthesis/sea urchin embryos)

1983 ◽  
Vol 25 (2) ◽  
pp. 171-180 ◽  
Author(s):  
Anne F. O'Melia
Keyword(s):  
Sea Urchin ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Rrna Synthesis ◽  
Sea Urchin Embryos ◽  
Chemically Induced

Regulation of ribosomal RNA synthesis in sea urchin embryos and oocytes

1981 ◽  
Vol 87 (2) ◽  
pp. 220-228 ◽  
Author(s):  
Jeffrey K. Griffith ◽  
Barbara B. Griffith ◽  
Tom Humphreys
Keyword(s):  
Sea Urchin ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Sea Urchin Embryos

Regulation of ribosomal RNA synthesis in sea urchin embryos

1992 ◽  
Vol 3 (4) ◽  
pp. 369-374 ◽  
Author(s):  
Rainer Barbieri ◽  
Vincenzo Izzo ◽  
Maria Cantone ◽  
Giovanni Duro ◽  
Giovanni Giudice
Keyword(s):  
Sea Urchin ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Sea Urchin Embryos

Ribosomal RNA synthesis in pre- and post-gastrula-stage sea urchin embryos

1979 ◽  
Vol 71 (1) ◽  
pp. 83-99 ◽  
Author(s):  
Saul Surrey ◽  
Irith Ginzburg ◽  
Martin Nemer
Keyword(s):  
Sea Urchin ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Gastrula Stage ◽  
Sea Urchin Embryos

Cleavage nucleoli and ribosomal RNA synthesis in sea urchin eggs

1972 ◽  
Vol 73 (2) ◽  
pp. 463-468 ◽  
Author(s):  
J. Brachet ◽  
D. O'Dell ◽  
G. Steinert ◽  
R. Tencer
Keyword(s):  
Sea Urchin ◽  
Ribosomal Rna ◽  
Rna Synthesis ◽  
Sea Urchin Eggs

scholarly journals REGULATION OF RIBOSOMAL RNA AND 5s RNA SYNTHESIS IN DROSOPHILA MELANOGASTER: I. BOBBED MUTANTS

Genetics ◽  
1972 ◽  
Vol 72 (2) ◽  
pp. 267-276
Author(s):  
Roberto Weinmann
Keyword(s):  
Drosophila Melanogaster ◽  
Developmental Delay ◽  
Ribosomal Rna ◽  
Gel Electrophoresis ◽  
Rna Synthesis ◽  
Rrna Synthesis ◽  
Wild Type ◽  
5S Rna ◽  
Wild Type Level

ABSTRACT Analysis of the rates and amounts of rRNA and 5s RNA synthesized in Drosophila melanogaster bobbed mutants was done by using acrylamide-gel electrophoresis. The results show that the amounts of rRNA synthesized are constant, although the rates of rRNA synthesis in bb's are reduced to 30% of the wild-type level. The rates of synthesis of 5s RNA were constant. The rate of synthesis of the two kinds of molecules that enter in equimolar amounts into the mature ribosome is non-coordinated.—The rates of rRNA synthesis were shown to be proportional to the length of the scutellar bristles, supporting the notion that in trichogen cells there is no developmental delay, but the size of the bristle depends directly on the rate of rRNA synthesis.

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