Glutamine Synthetase-Glutamate Synthase Pathway and Glutamate Dehydrogenase Play Distinct Roles in the Sink-Source Nitrogen Cycle in Tobacco

Glutamate (Glu) metabolism and amino acid translocation were investigated in the young and old leaves of tobacco (Nicotiana tabacum L. cv Xanthi) using [(15)N]ammonium and [2-(15)N]Glu tracers. Regardless of leaf age, [(15)N]ammonium assimilation occurred via glutamine synthetase (GS; EC 6.1.1.3) an...

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Autori principali: Masclaux-Daubresse, Céline, Reisdorf-Cren, Michèle, Pageau, Karine, Lelandais, Maud, Grandjean, Olivier, Kronenberger, Joceline, Valadier, Marie-Hélène, Feraud, Magali, Jouglet, Tiphaine, Suzuki, Akira
Natura: Artigo
Lingua:Inglês
Pubblicazione: American Society of Plant Biologists 2006
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Research Article
Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC1361315/
https://ncbi.nlm.nih.gov/pubmed/16407450
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1104/pp.105.071910
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