The Rhizobium meliloti PII protein, which controls bacterial nitrogen metabolism, affects alfalfa nodule development.

@article{Arcondguy1997TheRM,
  title={The Rhizobium meliloti PII protein, which controls bacterial nitrogen metabolism, affects alfalfa nodule development.},
  author={Tania Arcond{\'e}guy and I Huez and Pascal Tillard and Christophe Gangneux and Françoise de Billy and Alain Gojon and Georges L. Truchet and Daniel Kahn},
  journal={Genes & development},
  year={1997},
  volume={11 9},
  pages={
          1194-206
        }
}
Symbiotic nitrogen fixation involves the development of specialized organs called nodules within which plant photosynthates are exchanged for combined nitrogen of bacterial origin. To determine the importance of bacterial nitrogen metabolism in symbiosis, we have characterized a key regulator of this metabolism in Rhizobium meliloti, the uridylylatable P(II) protein encoded by glnB. We have constructed both a glnB null mutant and a point mutant making nonuridylylatable P(II). In free-living… CONTINUE READING
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