ArticlePlanta2010
Characterization and developmental expression of a glutamate decarboxylase from maritime pine.
Article in Planta, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 30 citations in OpenAlex.
- Evolutionary dynamics and transcriptional diversification of GAD gene family in plants: a pan-species perspective in silico analysis.BMC plant biology · 2025Article
- Augmenting Rice Defenses: Exogenous Calcium Elevates GABA Levels Against WBPH Infestation.Antioxidants (Basel, Switzerland) · 2024Article
- Role of Gamma-Aminobutyric Acid in Plant Defense Response.Metabolites · 2023Review
- Comparative study on the influence of silicon and selenium to mitigate arsenic induced stress by modulating TCA cycle, GABA, and polyamine synthesis in rice seedlings.Ecotoxicology (London, England) · 2022Article
- Genome-wide identification of GAD family genes suggestsFrontiers in genetics · 2022Article
- Effects of the inhibitor of glutamate decarboxylase on the development and GABA accumulation in germinating fava beans under hypoxia-NaCl stress.RSC advances · 2018Article
- Identification of twoPeerJ · 2017Article
- A putative role for γ-aminobutyric acid (GABA) in vascular development in pine seedlings.Planta · 2015Article
- Evolution and expression analysis of the soybean glutamate decarboxylase gene family.Journal of biosciences · 2014Article
- Identification and transcript analysis of two glutamate decarboxylase genes, CsGAD1 and CsGAD2, reveal the strong relationship between CsGAD1 and citrate utilization in citrus fruit.Molecular biology reports · 2014Article
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glutamate decarboxylase (GAD, EC 4.1.1.15) is a key enzyme in the synthesis of γ-aminobutyric acid (GABA) in higher plants. A complete cDNA encoding glutamate decarboxylase (GAD, EC 4.1.1.15) was characterized from Pinus pinaster Ait, and its expression pattern was studied to gain insight into the role of GAD in the differentiation of the vascular system. Pine GAD contained a C-terminal region with conserved residues and a predicted secondary structure similar to the calmodulin (CaM)-binding domains of angiosperm GADs. The enzyme was able to bind to a bovine CaM-agarose column and GAD activity was higher at acidic pH, suggesting that the pine GAD can be regulated in vivo by Ca(2+)/CaM and pH. A polyclonal antiserum was prepared against the pine protein. GAD expression was studied at activity, protein, and mRNA level and was compared with the expression of other genes during the differentiation of the hypocotyl and induction of reaction wood. In seedling organs, GABA levels closely matched GAD expression, with high levels in the root and during lignification of the hypocotyl. GAD expression was also induced in response to the production of compression wood and its expression matched the pattern of other genes involved in ethylene and 2-oxoglutarate synthesis. The results suggest of a role of GAD in hypocotyl and stem development in pine.
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