Utilization of organic compounds as the sole source of nitrogen by Thiobacillus thiooxidans |
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Authors: | Norbert Metzdorf Heinrich Kaltwasser |
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Institution: | (1) Fachrichtung Mikrobiologie der Universität des Saarlandes, Im Stadtwald, D-6600 Saarbrücken, Federal Republic of Germany |
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Abstract: | Thiobacillus thiooxidans DSM 504 was shown to grow with adenine, hypoxanthine, xanthine and uric acid as sole sources of nitrogen. Growth with these compounds was observed after lag periods of varying lengths, unless the cells had been previously grown with the same purine base. The disappearance of adenine was accompanied by a temporary accumulation of hypoxanthine in the medium. The utilization of purines was inhibited by ammonia (1 mM). Guanine, pyrimidines and some other organic compounds were not utilized.Non-standard abbreviation U-14C
uniformly labeled by 14C |
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Keywords: | Nitrogen source Purines T thiooxidans |
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