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Molecular basis of symbiosis between Rhizobium and legumes

Author

Listed:
  • Christoph Freiberg

    (Insitut für Molekulare Biotechnologie, Abteilung Genomanalyse)

  • Rémy Fellay

    (Insitut für Molekulare Biotechnologie, Abteilung Genomanalyse)

  • Amos Bairoch

    (Insitut für Molekulare Biotechnologie, Abteilung Genomanalyse)

  • William J. Broughton

    (Insitut für Molekulare Biotechnologie, Abteilung Genomanalyse)

  • André Rosenthal

    (Insitut für Molekulare Biotechnologie, Abteilung Genomanalyse)

  • Xavier Perret

    (Insitut für Molekulare Biotechnologie, Abteilung Genomanalyse)

Abstract

Access to mineral nitrogen often limits plant growth, and so symbiotic relationships have evolved between plants and a variety of nitrogen-fixing organisms. These associations are responsible for reducing 120 million tonnes of atmospheric nitrogen to ammonia each year. In agriculture, independence from nitrogenous fertilizers expands crop production and minimizes pollution ot water tables, lakes and rivers. Here we present the complete nucleotide sequence and gene complement of the plasmid from Rhizobium sp. NGR234 that endows the bacterium with the ability to associate symbolically with leguminous plants. In conjunction with transcriptional analyses, these data demonstrate the presence of new symbiotic loci and signalling mechanisms. The sequence and organization of genes involved in replication and conjugal transfer are similar to those of Agrobacterium, suggesting a recent lateral transfer of genetic information.

Suggested Citation

  • Christoph Freiberg & Rémy Fellay & Amos Bairoch & William J. Broughton & André Rosenthal & Xavier Perret, 1997. "Molecular basis of symbiosis between Rhizobium and legumes," Nature, Nature, vol. 387(6631), pages 394-401, May.
    • Handle: RePEc:nat:nature:v:387:y:1997:i:6631:d:10.1038_387394a0
    DOI: 10.1038/387394a0
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    Cited by:

    1. Qing Lan & Chunxiang Liu & Shuang Ling, 2019. "Research on Measurement of Symbiosis Degree Between National Fitness and the Sports Industry from the Perspective of Collaborative Development," IJERPH, MDPI, vol. 16(12), pages 1-17, June.

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