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Polyphosphatsynthese während der Nitrat-Atmung von Micrococcus denitrificans Stamm 11

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Zusammenfassung

An P-Mangelzellen eines neu isolierten Stammes von Micrococcus denitrificans wurde der Orthophosphat-Einbau während der aeroben und anaeroben Atmung untersucht. In Gegenwart von Sauerstoff bauten die Zellen Orthophosphat rasch ein. Unter anaeroben Bedingungen wurde ein derartiger P-Einbau durch die Zugabe von Nitrat ermöglicht. Als Hauptsyntheseprodukt wurden säurelösliche und säureunlösliche Polyphosphate nachgewiesen. Die Befunde deuten auf eine mit der Nitrat-Atmung gekoppelte oxydative Phosphorylierung hin.

Summary

The uptake of orthophosphate by phosphorus-deficient cells of a newly isolated strain of Micrococcus denitrificans was investigated under aerobic and anaerobic conditions. A rapid uptake of orthophosphate was detected in the presence of oxygen and under anaerobic conditions in the presence of nitrate. Stored phosphates were chiefly acid-soluble and-insoluble polyphosphates. The results indicate the coupling of oxydative phosphorylation to nitrate-respiration.

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Authors and Affiliations

  1. Institut für Mikrobiologie der Universität Göttingen, Göttingen, Deutschland

    H. Kaltwasser, G. Vogt & H. G. Schlegel

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  1. H. Kaltwasser
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  2. G. Vogt
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  3. H. G. Schlegel
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Kaltwasser, H., Vogt, G. & Schlegel, H.G. Polyphosphatsynthese während der Nitrat-Atmung von Micrococcus denitrificans Stamm 11. Archiv. Mikrobiol. 44, 259–265 (1962). https://doi.org/10.1007/BF00510947

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  • DOI: https://doi.org/10.1007/BF00510947

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