Do pyrimidine nucleotides regulate translatability of globin mRNA as purine nucleotides do? 1988

H N Rubin, and E Almendarez, and M N Halim

1. When rabbit globin mRNA was incubated with rabbit reticulocyte lysate in the presence of various concentrations of nucleotides, globin synthesis was inhibited or stimulated dependent on dose. 2. Pyrimidine nucleotides inhibited protein synthesis at 0.3 mM, whereas 2 mM of purine nucleotides were required to cause similar inhibition. 3. Adenosine mono- and diphosphate inhibited globin synthesis at a concentration of only 1 mM; however, the sequence is AMP greater than ADP greater than ATP. 4. Translation arrest by these nucleotides was instantaneous. 5. These results suggest that these nucleotides may provide a structural component for maintaining the integrity, the conformation of mRNA or of the messenger ribonucleoprotein (mRNP).

UI MeSH Term Description Entries
D011061 Poly A A group of adenine ribonucleotides in which the phosphate residues of each adenine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Adenine Polynucleotides,Polyadenylic Acids,Poly(rA),Polynucleotides, Adenine
D011685 Purine Nucleotides Purines attached to a RIBOSE and a phosphate that can polymerize to form DNA and RNA. Nucleotides, Purine
D011742 Pyrimidine Nucleotides Pyrimidines with a RIBOSE and phosphate attached that can polymerize to form DNA and RNA. Nucleotides, Pyrimidine
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002850 Chromatography, Gel Chromatography on non-ionic gels without regard to the mechanism of solute discrimination. Chromatography, Exclusion,Chromatography, Gel Permeation,Chromatography, Molecular Sieve,Gel Filtration,Gel Filtration Chromatography,Chromatography, Size Exclusion,Exclusion Chromatography,Gel Chromatography,Gel Permeation Chromatography,Molecular Sieve Chromatography,Chromatography, Gel Filtration,Exclusion Chromatography, Size,Filtration Chromatography, Gel,Filtration, Gel,Sieve Chromatography, Molecular,Size Exclusion Chromatography
D003570 Cytidine Triphosphate Cytidine 5'-(tetrahydrogen triphosphate). A cytosine nucleotide containing three phosphate groups esterified to the sugar moiety. CTP,CRPPP,Magnesium CTP,Mg CTP,Triphosphate, Cytidine
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D005914 Globins A superfamily of proteins containing the globin fold which is composed of 6-8 alpha helices arranged in a characterstic HEME enclosing structure. Globin
D006160 Guanosine Triphosphate Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. GTP,Triphosphate, Guanosine

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