Studies on the secondary structure of phenylalanyl transfer ribonucleic acid

Biochemistry ◽  
1970 ◽  
Vol 9 (25) ◽  
pp. 4971-4980 ◽  
Author(s):  
Alita Rosenfeld ◽  
Charles L. Stevens ◽  
Morton P. Printz
Keyword(s):  
Secondary Structure ◽  
Ribonucleic Acid

Secondary Structure of Ribonucleic Acid in Solution

Nature ◽  
1959 ◽  
Vol 184 (4689) ◽  
pp. 818-819 ◽  
Author(s):  
R. A. COX ◽  
U. Z. LITTAUER
Keyword(s):  
Secondary Structure ◽  
Ribonucleic Acid

scholarly journals A spectrophotometric study of the secondary structure of ribonucleic acid isolated from the smaller and larger ribosomal subparticles of rabbit reticulocytes

1970 ◽  
Vol 117 (1) ◽  
pp. 101-118 ◽  
Author(s):  
R. A. Cox
Keyword(s):  
Escherichia Coli ◽  
Ionic Strength ◽  
Secondary Structure ◽  
Ribonucleic Acid ◽  
Spectrophotometric Study ◽  
Urea Concentration ◽  
Model Systems ◽  
Base Pairs ◽  
Virus Like Particles ◽  
Rabbit Reticulocytes

The spectrum of RNA from the smaller and larger subparticles of rabbit reticulocyte ribosomes was studied as a function of pH, ionic strength, urea concentration and temperature. It was inferred that both RNA species form short double-helical segments of not more than about 10 base-pairs in length. Not more than about 70% of the base residues may be located in double-helical segments. RNA from the larger subparticle is richer in guanine and cytosine residues and its secondary structure is the more stable. These conclusions are based on the use of double-helical RNA from virus-like particles and of unfractionated Escherichia coli tRNA as model systems.

scholarly journals Assay for Secondary Structure in Ribonucleic Acid

1972 ◽  
Vol 9 (6) ◽  
pp. 903-908 ◽  
Author(s):  
Dean L. Engelhardt
Keyword(s):  
Secondary Structure ◽  
Ribonucleic Acid

scholarly journals A spectrophotometric study of the secondary structure of precursor ribosomal ribonucleic acid from Krebs ascites-tumour cells

1973 ◽  
Vol 135 (2) ◽  
pp. 349-351 ◽  
Author(s):  
A. A. Hadjiolov ◽  
R. A. Cox
Keyword(s):  
Secondary Structure ◽  
Ribonucleic Acid ◽  
18S Rrna ◽  
Spectrophotometric Study ◽  
Spectrophotometric Analysis ◽  
28S Rrna ◽  
Ascites Tumour ◽  
Helical Content ◽  
Ribosomal Ribonucleic Acid ◽  
Ascites Tumour Cells

The spectrophotometric analysis of 45S precursor rRNA shows that it contains more G and C residues than does mature 28S or 18S rRNA. The helical content and the length of double-helical segments in 45S and 28S rRNA are similar.

scholarly journals Molecular integrity of chloroplast ribosomal ribonucleic acid

1973 ◽  
Vol 135 (1) ◽  
pp. 237-240 ◽  
Author(s):  
Christopher J. Leaver
Keyword(s):  
Secondary Structure ◽  
Hydrogen Bonds ◽  
Ribonucleic Acid ◽  
Low Temperatures ◽  
Ribosomal Ribonucleic Acid ◽  
Polynucleotide Chain

The majority of chloroplast 1.1X106-mol.wt. rRNA molecules are nicked at specific points in the polynucleotide chain, the molecules being kept intact at low temperatures by their secondary structure. Conditions that break hydrogen bonds and lead to loss of secondary structure cause dissociation of the molecule.

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