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Gene Review

glnII  -  glutatmine synthetase II protein

Sinorhizobium meliloti 1021

 
 
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Disease relevance of glnII

 

High impact information on glnII

  • In free-living conditions, P(II) is required for expression of the ntrC-dependent gene glnII and for adenylylation of glutamine synthetase I. P(II) is also required for efficient infection of alfalfa but not for expression of nitrogenase [2].
  • The R. meliloti glnII promoter region contains DNA sequences similar to those found in front of other genes that require ntrA for their transcription [3].
  • The cloned sequence did not show cross-hybridization to glnA or glnII, the genes coding for two glutamine synthetase isozymes of Rhizobium spp [4].

References

  1. Rhizobium meliloti 1021 has three differentially regulated loci involved in glutamine biosynthesis, none of which is essential for symbiotic nitrogen fixation. de Bruijn, F.J., Rossbach, S., Schneider, M., Ratet, P., Messmer, S., Szeto, W.W., Ausubel, F.M., Schell, J. J. Bacteriol. (1989) [Pubmed]
  2. The Rhizobium meliloti PII protein, which controls bacterial nitrogen metabolism, affects alfalfa nodule development. Arcondéguy, T., Huez, I., Tillard, P., Gangneux, C., de Billy, F., Gojon, A., Truchet, G., Kahn, D. Genes Dev. (1997) [Pubmed]
  3. Regulation of glutamine synthetase II activity in Rhizobium meliloti 104A14. Shatters, R.G., Somerville, J.E., Kahn, M.L. J. Bacteriol. (1989) [Pubmed]
  4. A previously unrecognized glutamine synthetase expressed in Klebsiella pneumoniae from the glnT locus of Rhizobium leguminosarum. Espin, G., Moreno, S., Wild, M., Meza, R., Iaccarino, M. Mol. Gen. Genet. (1990) [Pubmed]
 
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