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Characterization of a NADH-dependent glutamate dehydrogenase mutant of Arabidopsis demonstrates the key role of this enzyme in root carbon and nitrogen metabolism.

The Plant cell - 1 Oct 2012

Fontaine Jean-Xavier, Tercé-Laforgue Thérèse, Armengaud Patrick, Clément Gilles, Renou Jean-Pierre, Pelletier Sandra, Catterou Manuella, Azzopardi Marianne, Gibon Yves, Lea Peter J, Hirel Bertrand, Dubois Frédéric

Abstract excerpt

The role of NADH-dependent glutamate dehydrogenase (GDH) was investigated by studying the physiological impact of a complete lack of enzyme activity in an Arabidopsis thaliana plant deficient in three genes encoding the enzyme. This study was conducted following the discovery that a third GDH gene is expressed in the mitochondria of the root companion cells, where all three active GDH enzyme proteins were shown...

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Identifiers

PMID: 23054470
DOI: 10.1105/tpc.112.103689
PMCID: PMC3517235

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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