The Bacteria: Biosynthesis

a-ketoglutarate Acad accumulation acetate acetyl Acta activity adenine alanine amino acids ammonia anaerobic aspartate auxotrophs bacteria Bacteriol Biochem Biol Biophys biosynthesis biotin carbon dioxide carboxyl carboxylase catalyzed cell wall cell-free CH₂ Chem CO₂ coenzyme coli compounds contain conversion COOH cultures decarboxylation dehydrogenase derivatives DPNH enzyme excrete Exptl extracts Federation Proc fixation of CO2 formation formed fraction glucose glutamic acid glutamine glycine growth guanine histidine hydrogen hydrogenase incorporation incubated inducer inhibited intermediate isolated isoleucine isotopic labeled lysine malic enzyme mechanism metabolism methylmalonyl Mg++ Microbiol microorganisms molecule mutants N₂ Natl Neurospora nitrogen fixation nucleic acid nucleotide occur organisms oxalacetate oxidation pathway peptide phosphate phosphoenolpyruvate porphyrins precursor presence propionate propionyl CoA protein synthesis protoporphyrin purine pyrimidine pyruvate reaction reduced ribosomes sequence serine shown specific strain structure studies substrate succinate tetrapyrrole tion TPNH tryptophan valine vitamin yeast