γ‐Aminobutyric acid transaminase deficiency impairs central carbon metabolism and leads to cell wall defects during salt stress in Arabidopsis roots
Copyright policy )γ‐Aminobutyric acid transaminase deficiency impairs central carbon metabolism and leads to cell wall defects during salt stress in Arabidopsis roots
GABA (γ‐aminobutyric acid) is a ubiquitous non‐protein amino acid that commonly accumulates in plants in response to stressful conditions. However, functions of GABA in plants remain still unclear. In this study, we provide metabolic and transcriptional evidences that GABA metabolism is involved in central carbon metabolism regulation upon salt stress in roots. Furthermore, we show that GABA transaminase deficiency results in deleterious consequences for root development and cell wall elaboration during salt stress. Our work thus highlights the critical function of GABA metabolism in root metabolic acclimation to saline conditions.
570, Arabidopsis thaliana, Transcription, Genetic, polyamines, TCA cycle., Arabidopsis, Succinic Acid, Glutamic Acid, glutamate, Sodium Chloride, [SDV.BBM.BM] Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, Plant Roots, Gene Expression Regulation, Enzymologic, GABA, Cell Wall, Gene Expression Regulation, Plant, Stress, Physiological, Polyamines, TCA cycle, Transaminases, salt tolerance, Comparative Genomic Hybridization, Arabidopsis Proteins, succinate, Carbon, Hypocotyl, [SDE.BE] Environmental Sciences/Biodiversity and Ecology, sugars, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
570, Arabidopsis thaliana, Transcription, Genetic, polyamines, TCA cycle., Arabidopsis, Succinic Acid, Glutamic Acid, glutamate, Sodium Chloride, [SDV.BBM.BM] Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, Plant Roots, Gene Expression Regulation, Enzymologic, GABA, Cell Wall, Gene Expression Regulation, Plant, Stress, Physiological, Polyamines, TCA cycle, Transaminases, salt tolerance, Comparative Genomic Hybridization, Arabidopsis Proteins, succinate, Carbon, Hypocotyl, [SDE.BE] Environmental Sciences/Biodiversity and Ecology, sugars, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
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