THE METABOLISM OF SIMPLE CARBON COMPOUNDS IN MICRO-ORGANISMS.
LEICESTER UNIV (ENGLAND)
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This report summarizes the evidence for the views that a the structural gene for citrate synthase adjoins that for galactokinase on the chromosome of E. coli b the anaplerotic carboxylation of C3-acids in E. coli is effected via phosphopyruvate carboxylase this reaction is regulated by acetyl-coenzyme A c the functioning of isocitrate lyase is causally related to growth on acetate d the activation of an L-serine dehydratase by its substrate is associated with a change in the molecular weight of the enzyme e erythro beta-Hydroxyaspartate dehydratase, highly purified, differs from other hydroxyaminoacid dehydratases f P. ovalis Chester contains a highly active oxaloacetate 4-carboxylyase, which is inhibited by acetyl-coenzyme A derivatives g Cl. kluyveri extracts catalyse the ferredoxin-dependent carboxylation of acetyl-coenzyme A. In addition, a number of matters relevant to these major areas of work are discussed. Author