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Dinitrogen-Fixing Prokaryotes

  • Ernesto Ormeño-Orrillo
  • Mariangela Hungria
  • Esperanza Martinez-Romero

Abstract

Dinitrogen fixation is a key process in the N cycle and only carried out by few prokaryotes. Research on dinitrogen fixation includes basic and practical applications: from nif genes to crops, with molecular, genetic, ecological, taxonomic, and agricultural approaches used. Nitrogen fixing rhizobia, which have been used in agriculture for over a 100 years, are excellent research models still leading the knowledge of eukaryote-bacteria symbioses. Other less known symbioses of dinitrogen fixing bacteria are reviewed as well as free-living diazotrophs.

Keywords

nifH Gene Diazotrophic Bacterium Dinitrogen Fixation Symbiotic Plasmid Gluconacetobacter Diazotrophicus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

Thanks to Julio Martínez Romero for technical support. To PAPIIT IN200709 and IN205412 from UNAM.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Ernesto Ormeño-Orrillo
    • 1
  • Mariangela Hungria
    • 2
  • Esperanza Martinez-Romero
    • 1
  1. 1.Genomic Sciences Center, UNAMCuernavacaMexico
  2. 2.Embrapa SojaLondrinaBrazil

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