ArticlePlant physiology2010
Metabolome and photochemical analysis of rice plants overexpressing Arabidopsis NAD kinase gene.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 86 citations in OpenAlex.
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- Identification of genetic loci and candidate genes regulating photosynthesis and leaf morphology through genome-wide association study inFrontiers in plant science · 2024Article
- Genome-wide association study and genotypic variation for the major tocopherol content in rice grain.Frontiers in plant science · 2024Article
- Metabolic changes associated with dark-induced leaf senescence in ArabidopsisPlant signaling & behavior · 2023Article
- Delineating the tissue-mediated drought stress governed tuning of conserved miR408 and its targets in rice.Functional & integrative genomics · 2023Article
- NADP+ supply adjusts the synthesis of photosystem I in Arabidopsis chloroplasts.Plant physiology · 2022Article
- Under (stromal redox) pressure: NADP+ synthesis regulates photosystem I biogenesis.Plant physiology · 2022Article
- Analysis of Physiological Variations and Genetic Architecture for Photosynthetic Capacity of Japanese Soybean Germplasm.Frontiers in plant science · 2022Article
- Altered metabolism of chloroplastic NAD kinase-overexpressing Arabidopsis in response to magnesium sulfate supplementation.Plant signaling & behavior · 2021Article
- Effects ofPlants (Basel, Switzerland) · 2020Article
- The NAD kinase OsNADK1 affects the intracellular redox balance and enhances the tolerance of rice to drought.BMC plant biology · 2020Article
- Physiological Significance of NAD Kinases in Cyanobacteria.Frontiers in plant science · 2019Review
- NAD Kinases: Metabolic Targets Controlling Redox Co-enzymes and Reducing Power Partitioning in Plant Stress and Development.Frontiers in plant science · 2018Review
- Difference in oxidative stress tolerance between rice cultivars estimated with chlorophyll fluorescence analysis.BMC research notes · 2017Article
- Alr2954 of Anabaena sp. PCC 7120 with ADP-ribose pyrophosphatase activity bestows abiotic stress tolerance in Escherichia coli.Functional & integrative genomics · 2017Article
- Fine Mapping ofFrontiers in plant science · 2017Article
- Loss-of-function of an Arabidopsis NADPH pyrophosphohydrolase, AtNUDX19, impacts on the pyridine nucleotides status and confers photooxidative stress tolerance.Scientific reports · 2016Article
- Plant Metabolomics: An Indispensable System Biology Tool for Plant Science.International journal of molecular sciences · 2016Review
- Modulatory role of mineral nutrients on cadmium accumulation and stress tolerance in Oryza sativa L. seedlings.Environmental science and pollution research international · 2016Article
- Integrated metabolomics and phytochemical genomics approaches for studies on rice.GigaScience · 2016Review
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The chloroplastic NAD kinase (NADK2) is reported to stimulate carbon and nitrogen assimilation in Arabidopsis (Arabidopsis thaliana), which is vulnerable to high light. Since rice (Oryza sativa) is a monocotyledonous plant that can adapt to high light, we studied the effects of NADK2 expression in rice by developing transgenic rice plants that constitutively expressed the Arabidopsis chloroplastic NADK gene (NK2 lines). NK2 lines showed enhanced activity of NADK and accumulation of the NADP(H) pool, while intermediates of NAD derivatives were unchanged. Comprehensive analysis of the primary metabolites in leaves using capillary electrophoresis mass spectrometry revealed elevated levels of amino acids and several sugar phosphates including ribose-1,5-bisphosphate, but no significant change in the levels of the other metabolites. Studies of chlorophyll fluorescence and gas change analyses demonstrated greater electron transport and CO2 assimilation rates in NK2 lines, compared to those in the control. Analysis of oxidative stress response indicated enhanced tolerance to oxidative stress in these transformants. The results suggest that NADP content plays a critical role in determining the photosynthetic electron transport rate in rice and that its enhancement leads to stimulation of photosynthesis metabolism and tolerance of oxidative damages.
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