Results 21 to 30 of about 216,468 (357)

Reassimilation of Photorespiratory Ammonium in Lotus japonicus Plants Deficient in Plastidic Glutamine Synthetase. [PDF]

open access: yesPLoS ONE, 2015
It is well established that the plastidic isoform of glutamine synthetase (GS2) is the enzyme in charge of photorespiratory ammonium reassimilation in plants.
Carmen M Pérez-Delgado   +3 more
doaj   +11 more sources

The glutamine synthetase gene family in Populus [PDF]

open access: yesBMC Plant Biology, 2011
Background Glutamine synthetase (GS; EC: 6.3.1.2, L-glutamate: ammonia ligase ADP-forming) is a key enzyme in ammonium assimilation and metabolism of higher plants.
Cánovas Francisco M   +5 more
doaj   +4 more sources

Excessive ammonium assimilation by plastidic glutamine synthetase causes ammonium toxicity in Arabidopsis thaliana

open access: yesNature Communications, 2021
Plants use nitrate, ammonium, and organic nitrogen in the soil as nitrogen sources. Since the elevated CO2 environment predicted for the near future will reduce nitrate utilization by C3 species, ammonium is attracting great interest.
Takushi Hachiya   +11 more
semanticscholar   +1 more source

Glutamine Synthetase as a Therapeutic Target for Cancer Treatment

open access: yesInternational Journal of Molecular Sciences, 2021
The significance of glutamine in cancer metabolism has been extensively studied. Cancer cells consume an excessive amount of glutamine to facilitate rapid proliferation.
Go-woon Kim   +7 more
semanticscholar   +1 more source

Differential inhibition of adenylylated and deadenylylated forms of M. tuberculosis glutamine synthetase as a drug discovery platform. [PDF]

open access: yesPLoS ONE, 2017
Glutamine synthetase is a ubiquitous central enzyme in nitrogen metabolism that is controlled by up to four regulatory mechanisms, including adenylylation of some or all of the twelve subunits by adenylyl transferase.
A Theron   +9 more
doaj   +1 more source

Regulation of synthesis of glutamine synthetase by adenylylated glutamine synthetase. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1975
We have examined three mutants of Klebsiella aerogenes whose genetic lesions (glnB, glnD, and glnE) are in loci unlinked to the structural gene for glutamine sythetase (glnA) and in which the control of both the level and state of adenylylation of glutamine synthetase is altered. Each mutation alters a different component of the adenylylation system of
Boris Magasanik   +2 more
openaire   +3 more sources

Glutamine Synthetase Sensitivity to Oxidative Modification during Nutrient Starvation in Prochlorococcus marinus PCC 9511. [PDF]

open access: yesPLoS ONE, 2015
Glutamine synthetase plays a key role in nitrogen metabolism, thus the fine regulation of this enzyme in Prochlorococcus, which is especially important in the oligotrophic oceans where this marine cyanobacterium thrives.
Guadalupe Gómez-Baena   +4 more
doaj   +1 more source

Licensing instead of fueling: Glutamine synthetase promotes mitotic progression via a non-metabolic mechanism

open access: yesVisualized Cancer Medicine, 2023
A recent report published in Nature Metabolism identified that glutamine synthetase (GS), the only enzyme in mammals to produce glutamine from glutamate, can directly control cancer cell mitosis by governing the APC/C complex via a metabolism-independent
Zhao Jiang-Sha   +3 more
doaj   +1 more source

Investigating the role of GLUL as a survival factor in cellular adaptation to glutamine depletion via targeted stable isotope resolved metabolomics

open access: yesFrontiers in Molecular Biosciences, 2022
Cellular glutamine synthesis is thought to be an important resistance factor in protecting cells from nutrient deprivation and may also contribute to drug resistance.
Șafak Bayram   +10 more
doaj   +1 more source

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