Letter | Published:

Production of Slime Substance in Mixed Cultures of Rhodopseudomonas capsulatus and Azotobacter vinelandii

Nature volume 192, pages 12071208 (23 December 1961) | Download Citation

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Abstract

WE have reported1 that a symbiotic relationship exists between Rhodopseudomonas capsulatus (photosynthetic bacteria) and Azotobacter vinelandii. When they were mixed, the combination fixed three times more molecular nitrogen than did either pure culture. If the pH of the medium were controlled, the nitrogen fixation in the mixed culture was stimulated twelvefold2.

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References

  1. 1.

    , , and , Soil and Plant Food (Tokyo), 6, 35 (1960).

  2. 2.

    , and (unpublished data).

  3. 3.

    , and , J. Gen. Microbiol., 19, 522 (1958).

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Affiliations

  1. Department of Agricultural Chemistry, University of Kyoto, Japan.

    • AZUMA OKUDA
    •  & MICHIHARU KOBAYASHI

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DOI

https://doi.org/10.1038/1921207a0

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