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Gene Review

GLN1;4  -  glutamine synthetase 1;4

Arabidopsis thaliana

Synonyms: MTG13.1
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High impact information on GLN1;4

  • Moreover, growth on glucose induced genes for nitrogen remobilisation that are typically enhanced during developmental senescence, including the glutamine synthetase gene GLN1;4 and the nitrate transporter gene AtNRT2 [1].
  • In contrast, replacement of Gln49 and Ser174 by lysine and alanine, respectively, was detrimental to glutamine synthetic activities in GLN1;4 [2].


  1. Effect of sugar-induced senescence on gene expression and implications for the regulation of senescence in Arabidopsis. Pourtau, N., Jennings, R., Pelzer, E., Pallas, J., Wingler, A. Planta (2006) [Pubmed]
  2. Gln49 and Ser174 residues play critical roles in determining the catalytic efficiencies of plant glutamine synthetase. Ishiyama, K., Inoue, E., Yamaya, T., Takahashi, H. Plant Cell Physiol. (2006) [Pubmed]
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