Topics in Microbial PhysiologyP. Tauro International Bioscience Publishers, 1974 - 275 pagine |
Dall'interno del libro
Risultati 1-3 di 5
Pagina 161
... histidine , phosphoribosyl ATP - pyrophos- phorylase , is subject to feed back repression by histidine ( 3 ) . In the presence of histidine the cells contain very few molecules of the enzyme and when histidine is withdrawn and the cells ...
... histidine , phosphoribosyl ATP - pyrophos- phorylase , is subject to feed back repression by histidine ( 3 ) . In the presence of histidine the cells contain very few molecules of the enzyme and when histidine is withdrawn and the cells ...
Pagina 167
... histidine system of S. typhimurium . The histidine operon consists of 10 different structural genes and m - RNA from such an operon would be of appreciable size . Analysis of the size of the pulse labelled RNA from derepressed cells ...
... histidine system of S. typhimurium . The histidine operon consists of 10 different structural genes and m - RNA from such an operon would be of appreciable size . Analysis of the size of the pulse labelled RNA from derepressed cells ...
Pagina 179
... histidine , the end product ( histidine ) represses the synthesis of phosphorib- osyl- ATP pyrophosphorylase and in the biosynthesis of arginine , arginine represses the synthesis of ornithine transcar- bamylase . These observations ...
... histidine , the end product ( histidine ) represses the synthesis of phosphorib- osyl- ATP pyrophosphorylase and in the biosynthesis of arginine , arginine represses the synthesis of ornithine transcar- bamylase . These observations ...
Sommario
3 | 28 |
In Vitro Synthesis of | 41 |
In vivo Replication of Bacterial | 49 |
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Acad Acta activity addition amino acid amount appears bacteria bacteriophages bases binding Biochem Biol Biophys biosynthesis bond bound catalyzed cell chain Chem chromosome coli complex components compounds contain cytoplasmic dependant direction DNA polymerase DNA synthesis double electron enzyme evidence example experiments extracts factors fatty acid fixation formation function gene genetic glucose growing growth incorporated inducer inhibited initiation involved isolated labelled lipid mechanism membrane molecule mutants Natl Nature nitrogen nitrogenase nucleotides observed occurs operator operon organisms oxidation peptide phosphate poly polypeptide presence Proc protein purified reaction reduction region regulation replication repression repressor residues ribosomes role sequence shown similar single specific step strand structure studies substrates subunits suggested sulphur synthesis synthetase Table template transcription transfer tRNA various vitro vivo wall