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Evidence for Common Genetic Determinants of Nitrogenase and Nitrate Reductase in Rhizobium meliloti

Nature New Biology volume 246, pages 153–154 (1973)Cite this article

Abstract

THE enzyme system known as nitrogenase is responsible for conversion of elementary nitrogen in microbial-plant symbiotic nitrogen fixing associations. A method has been developed for the isolation of nitrogenase mutants of Rhizobium meliloti for the study of genes regulating the synthesis of nitrogenase. This type of ineffective mutant cannot be selected directly since nitrogenase is only synthesised in bacteroids within the plant host.

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Authors and Affiliations

  1. Institute of Genetics, Biological Research Centre, Hungarian Academy of Sciences, Szeged

    Á. KONDOROSI, ILONA BARABÁS, ZÓRA SVÁB, L. OROSZ & T. SIK

  2. The Rockefeller University, New York

    R. D. HOTCHKISS

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  1. Á. KONDOROSI
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  2. ILONA BARABÁS
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  3. ZÓRA SVÁB
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  4. L. OROSZ
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  5. T. SIK
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  6. R. D. HOTCHKISS
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KONDOROSI, Á., BARABÁS, I., SVÁB, Z. et al. Evidence for Common Genetic Determinants of Nitrogenase and Nitrate Reductase in Rhizobium meliloti. Nature New Biology 246, 153–154 (1973). https://doi.org/10.1038/newbio246153a0

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  • DOI: https://doi.org/10.1038/newbio246153a0

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