Ribonucleotide reductase in regenerating livers of B 12 -deficient rats.
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Biomedical subjects
Publications and source records attributed to M Simon.
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The synthesis of legumin in developing cotyledons of Vicia faba L. has been examined as a potential system for approaching the problem of differential gene expression. The pattern of legumin synthesis was determined during the growth of the cotyledon by microcomplement fixation which provided a sensitive and specific assay for legumin in the presence of vicilin. Legumin was detected even in young cotyledons. However, when the cotyledons were about 10 millimeters long, and cell division was essentially complete, there was a sharp increase in the rate of legumin accumulation.
Flagella were prepared and purified in a relatively intact form from bacterial lysates. Immunochemical tests showed that over 95% of the protein in the final preparation consisted of flagellar antigen. These flagella are more stable to thermal denaturation than flagella filaments obtained by shearing. Their thermal properties more closely resemble those of flagella in the native state on bacteria. The presence of the hook structure is responsible for this extra stability.
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