RELATIONSHIP BETWEEN PARTICLE SIZE AND BIOLOGICAL ACTIVITY OF E. COLI BOIVIN ENDOTOXIN.
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Agranulocytosis↗
Biomedical subjects
T STAEHELIN
Publications and source records attributed to T STAEHELIN.
PROTEIN SYNTHESIS ENHANCED IN THE LIVER OF RATS FORCE-FED A THREONINE-DEVOID DIET.
There is enhanced incorporation of leucine-C(14) into proteins in cell-free preparations from livers of young rats force-fed a threonine-devoid diet for 3 days. This increased protein synthesis in the liver is related predominantly to enhanced activity of ribosomes. The aggregates of liver ribosomes (ergosonmes or polysomes) as measured in a sucrose gradient indicated a shift from lighter toward heavier ergosomes with a decrease in monomers.
Amino Acids↗
DETERMINATION OF THE CODING RATIO BASED ON MOLECULAR WEIGHT OF MESSENGER RIBONUCLEIC ACID ASSOCIATED WITH ERGOSOMES OF DIFFERENT AGGREGATE SIZE.
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Carbon Isotopes↗
BREAKDOWN AND REASSEMBLY OF RAT LIVER ERGOSOMES AFTER ADMINISTRATION OF ETHIONINE OR PUROMYCIN.
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Adenine↗
STRUCTURE AND FUNCTION OF E. COLI ERGOSOMES.
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Bacterial Proteins↗
Breakdown of rat-liver ergosomes in vivo after actinomycin inhibition of messenger RNA synthesis.
Ribosomes isolated from rat liver occur predominantly in the form of aggregates (ergosomes) corresponding to multiples of 73S particles held together by messenger RNA. After injecting rats with actinomycin, these aggregates gradually break down in vivo to 73S monomers and 113S dimers. We conclude that the observed breakdown results from the degradation of messenger RNA and the prevention by actinomycin of the synthesis of new messenger RNA.
Animals↗
Ribosomal aggregate engaged in protein synthesis: characterization of the ergosome.
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Nucleoproteins↗