scholarly journals Glutamine synthetase stabilizes the binding of GlnR to nitrogen fixation gene operators

FEBS Journal ◽  
2017 ◽  
Vol 284 (6) ◽  
pp. 903-918 ◽  
Author(s):  
Gabriela de C. Fernandes ◽  
Ksenia Hauf ◽  
Fernando H. Sant'Anna ◽  
Karl Forchhammer ◽  
Luciane M. P. Passaglia
Keyword(s):  
Nitrogen Fixation ◽  
Glutamine Synthetase ◽  
Nitrogen Fixation Gene

Exogenous proline application enhances the efficiency of nitrogen fixation and assimilation in chickpea plants exposed to cadmium

2016 ◽  
Author(s):  
Mohammed Nasser Alyemeni ◽  
Qaiser Hayat ◽  
Shamsul Hayat ◽  
Mohammad Faizan ◽  
Ahmad Faraz
Keyword(s):  
Nitrogen Fixation ◽  
Adverse Effects ◽  
Nitrate Reductase ◽  
Glutamine Synthetase ◽  
Glutamate Synthase ◽  
Leaf Nitrogen ◽  
Nitrate Content ◽  
Distilled Water ◽  
Activity Of Enzymes ◽  
Exogenous Proline

Seeds of chickpea were sown in the pots supplemented with 0, 25, 50 or 100 mg of cadmium per kg of soil. At the stage of 30 days after sowing (DAS), the raised plants were sprayed with 20 mM proline except for the control plants which received double distilled water (DDW). The increasing degree of damage caused by the increasing concentration of Cd in soil was partially overcome by proline application. The treatment of 25 mg Cd fed plants with 20 mM proline increased significantly the nodulation parameters, leghemoglobin and carbohydrate content, leaf nitrogen and root nitrate content, activity of enzymes nitrogenase (E.C 1.18.6.1), nitrate reductase (E.C. 1.6.6.1), glutamine synthetase (GS) (E.C 6.3.1.2), glutamate synthase (GOGAT) (E.C 1.4.7.1) and glutamate dehydrogenase (GDH) (E.C 1.4.1.3) over that of the control. The value of these parameters was found to be at par with that of the control in the plants exposed to 50 mg Cd per kg of soil and also treated with 20 mM proline. However, the treatment was not found to be effective in alleviating the adverse effects of 100 mg Cd per kg of soil.

Reiteration of nitrogen fixation gene sequences in Rhizobium phaseoli

Nature ◽  
1982 ◽  
Vol 299 (5885) ◽  
pp. 724-726 ◽  
Author(s):  
Carmen Quinto ◽  
Humberto de la Vega ◽  
Margarita Flores ◽  
Leonor Fernández ◽  
Teresa Ballado ◽  
...  
Keyword(s):  
Nitrogen Fixation ◽  
Gene Sequences ◽  
Rhizobium Phaseoli ◽  
Nitrogen Fixation Gene

Sequences of nifX, nifW, nifZ, nifB and two ORF in the frankia nitrogen fixation gene cluster

Gene ◽  
1995 ◽  
Vol 161 (1) ◽  
pp. 63-67 ◽  
Author(s):  
Olivia T. Harriott ◽  
Thomas J. Hosted ◽  
David R. Benson
Keyword(s):  
Nitrogen Fixation ◽  
Gene Cluster ◽  
Nitrogen Fixation Gene

scholarly journals Glutamine synthetase mutations which affect expression of nitrogen fixation genes in Klebsiella pneumoniae.

1979 ◽  
Vol 140 (2) ◽  
pp. 597-606 ◽  
Author(s):  
F M Ausubel ◽  
S C Bird ◽  
K J Durbin ◽  
K A Janssen ◽  
R F Margolskee ◽  
...  
Keyword(s):  
Nitrogen Fixation ◽  
Klebsiella Pneumoniae ◽  
Glutamine Synthetase ◽  
Affect Expression ◽  
Nitrogen Fixation Genes
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