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Literature summary for 6.3.1.2 extracted from
- Supply of nitrogen can reverse senescence processes and affect expression of genes coding for plastidic glutamine synthetase and lysine-ketoglutarate reductase/saccharopine dehydrogenase (2008), Plant Biol., 10 Suppl 1, 76-84.
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| quantitative RT-PCR expression analysis | Hordeum vulgare |
| quantitative RT-PCR expression analysis | Arabidopsis thaliana |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| chloroplast | - |
Arabidopsis thaliana | 9507 | - |
| chloroplast | isozyme GS2 | Hordeum vulgare | 9507 | - |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Mg2+ | - |
Hordeum vulgare |  |
| Mg2+ | - |
Arabidopsis thaliana | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + L-glutamate + NH3 | Hordeum vulgare | senescence-specific downregulation of plastidic glutamine synthetase isozyme GS2, this is retarded by fertilisation of plants with nitrate or ammonium, but not urea, at the onset of leaf senescence, GS2 downregulation preceeds upregulation of lysine-ketoglutarate reductase and saccharopine dehydrogenase, overview | ADP + phosphate + L-glutamine | - |
? | |
| ATP + L-glutamate + NH3 | Arabidopsis thaliana | senescence-specific downregulation of plastidic glutamine synthetase, this is retarded by fertilisation of plants with nitrate or ammonium, but not urea, at the onset of leaf senescence, overview | ADP + phosphate + L-glutamine | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arabidopsis thaliana | Q43127 | cv. Columbia | - |
| Hordeum vulgare | P13564 | cv. Steffi, isozyme GS2 | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | flag and foliar leaves, isozyme GS2 expression levels in response to nitrate and ammonium levels, overview | Arabidopsis thaliana | - |
| leaf | isozyme GS2 expression levels in response to nitrate and ammonium levels, overview | Hordeum vulgare | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + L-glutamate + NH3 | - |
Hordeum vulgare | ADP + phosphate + L-glutamine | - |
? | |
| ATP + L-glutamate + NH3 | - |
Arabidopsis thaliana | ADP + phosphate + L-glutamine | - |
? | |
| ATP + L-glutamate + NH3 | senescence-specific downregulation of plastidic glutamine synthetase isozyme GS2, this is retarded by fertilisation of plants with nitrate or ammonium, but not urea, at the onset of leaf senescence, GS2 downregulation preceeds upregulation of lysine-ketoglutarate reductase and saccharopine dehydrogenase, overview | Hordeum vulgare | ADP + phosphate + L-glutamine | - |
? | |
| ATP + L-glutamate + NH3 | senescence-specific downregulation of plastidic glutamine synthetase, this is retarded by fertilisation of plants with nitrate or ammonium, but not urea, at the onset of leaf senescence, overview | Arabidopsis thaliana | ADP + phosphate + L-glutamine | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| Glutamine synthetase | - |
Hordeum vulgare |
| Glutamine synthetase | - |
Arabidopsis thaliana |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| ATP | - |
Hordeum vulgare | |
| ATP | - |
Arabidopsis thaliana | |
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Release 2023.1 (January 2023)
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