ArticlePlant signaling & behavior2008
The cell death factor, cell wall elicitor of rice blast fungus (Magnaporthe grisea) causes metabolic alterations including GABA shunt in rice cultured cells.
Article in Plant signaling & behavior, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 32 citations in OpenAlex.
- In silico characterization, structural modeling, and molecular docking of GabP in citrus and its potential role in GABA uptake.Scientific reports · 2025Article
- Gamma-Aminobutyric Acid Supplementation Boosts the Phytohormonal Profile in 'Plants (Basel, Switzerland) · 2023Article
- The versatile GABA in plants.Plant signaling & behavior · 2021Review
- Diverse role of γ-aminobutyric acid in dynamic plant cell responses.Plant cell reports · 2019Review
- γ-Aminobutyric acid (GABA) signalling in plants.Cellular and molecular life sciences : CMLS · 2017Review
- Infection of a tomato cell culture byPlant methods · 2017Article
- Increase of Fungal Pathogenicity and Role of Plant Glutamine in Nitrogen-Induced Susceptibility (NIS) To Rice Blast.Frontiers in plant science · 2017Article
- A metabolic profiling strategy for the dissection of plant defense against fungal pathogens.PloS one · 2014Article
- Soybean metabolites regulated in root hairs in response to the symbiotic bacterium Bradyrhizobium japonicum.Plant physiology · 2010Article
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An elicitor derived from the cell wall of rice blast fungus (Magnaporthe grisea) causes cell death in suspension cultured cells of rice (Oryza sativa L.). To elucidate the role of M. grisea elicitor on metabolic pathway of rice cells, we performed metabolite profiling using capillary electrophoresis-mass spectrometry (CE/MS). Treatment with M. grisea elicitor increased the amounts of antioxidants and free amino acids and decreased the amount of metabolites in the tricarboxylic acid (TCA) cycle. Lower ATP concentration caused aberrant energy charge, concurrently with reduced amount of NAD(P)H in elicitor treated cells. Among free amino acids detected in this study, the level of gamma-aminobutyric acid (GABA) increased. GABA is metabolized through a bypass pathway of the TCA cycle called GABA shunt, which is composed of glutamate decarboxylase (GAD), GABA transaminase (GABA-T) and succinic semialdehyde dehydrogenase (SSADH). While M. grisea elicitor negligibly affected GAD and SSADH, GABA-T activity significantly decreased. The decrease in GABA-T activity was recovered by NADPH oxidase inhibitor, which prevents cell death induced by M. grisea elicitor. Thus, GABA accumulation observed in rice cells under elicitor stress is partly associated with GABA-T activity.
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