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Studies on cryptococcus nigricans, II. The effects of physical, chemical and nutritional factors

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Summary

1. A chemically defined, minimal medium was developed for the cultivation ofCryptococcus nigricans (glucose, nitrate, thiamin, biotin, and inorganic salts).

2. Optimum temperature was found to be 29° C with upper and lower limits at 34° C and 23° C.

3. Optimum pH for growth was found to be pH 5.0–5.6.

4. Ammonium nitrogen was not assimilated.

5.C. nigricans was inhibited by Mycostatin, Amphotericin A and B, and Polymyxin B.

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Author notes

  1. Marvin A. Rich

    Present address: Division of Biophysics, Sloan-Kettering Institute for Cancer Research, New York City, N.Y.

  2. Arthur M. Stern

    Present address: West Virginia Pulp and Paper Company, Covington, Virginia

Authors and Affiliations

  1. Department of Bacteriology, Rutgers University, New Brunswick, New Jersey

    Marvin A. Rich & Arthur M. Stern

Authors
  1. Marvin A. Rich
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  2. Arthur M. Stern
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Additional information

This study was supported in part by a grant-in-aid from the Rutgers Research Council.

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Rich, M.A., Stern, A.M. Studies on cryptococcus nigricans, II. The effects of physical, chemical and nutritional factors. Mycopathologia et Mycologia Applicata 10, 83–90 (1958). https://doi.org/10.1007/BF02055035

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