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Some observations on the physiology ofPseudomonas natriegens nov. spec.

Summary

Pseudomonas natriegens, nov. spec. which requires Na+ for growth, has been found to produce a considerable quantity of acid by the dissimilation of glucose in aerobic cultures. The products of glucose catabolism have been identified as CO2 and acetic, pyruvic and lactic acids. Acid production is very rapid as well in broth cultures containing sodium glucuronate, but not in cultures containing galacturonate.

Growth of this bacterium was not inhibited by saturating quantities of 2,4-diamino-6,7-diisopropyl pteridine. This property indicates that the isolate is more likely to be appropriately placed in the genusPseudomonas than in the genusVibrio.

Induction of enzymes in resting cells for the oxidation of glucuronate was inhibited by chloramphenicol added at various intervals during the first 2 hrs of incubation.

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Supported by research grants G-7128 and G-9865 from the National Science Foundation and by Equipment Loan Contract NR-103-398 with the Office of Naval Research. Contribution no. 26 from the University of Georgia Marine Institute at Sapelo Island.

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Payne, W.J., Eagon, R.G. & Williams, A.K. Some observations on the physiology ofPseudomonas natriegens nov. spec.. Antonie van Leeuwenhoek 27, 121–128 (1961). https://doi.org/10.1007/BF02538432

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  • DOI: https://doi.org/10.1007/BF02538432

Keywords

  • Glucuronate
  • Glucose Catabolism
  • Galacturonate
  • Genus Vibrio
  • Residual Reduce Sugar