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Abstract. The respiratory chain enzymes of microaerophilic bacteria should play a major role in their adaptation to growth at low oxygen tensions. The genes encoding the putative NADH:quinone reductases (NDH-1), the ubiquinol:cytochrome c oxidoreductases (bc1 complex) and the terminal oxidases of the microaerophiles Campylobacter jejuni and Helicobacter pylori were analysed to identify structural...
Abstract The requirements for purine nucleotide synthesis, the effects of purine analogues, and the metabolism of adenine in the bacterium Helicobacter pylori were investigated employing cell culture techniques and one-dimensional NMR spectroscopy. Bacterial cells grew and proliferated in media lacking preformed purines, indicating that H. pylori can synthesize purine nucleotides de novo to meet its...
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