ArticlePlant physiology2007
Transgenic tobacco plants overexpressing chloroplastic ferredoxin-NADP(H) reductase display normal rates of photosynthesis and increased tolerance to oxidative stress.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 100 citations in OpenAlex.
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- Glycine-Induced Phosphorylation Plays a Pivotal Role in Energy Metabolism in Roots and Amino Acid Metabolism in Leaves of Tea Plant.Foods (Basel, Switzerland) · 2023Article
- Integrative Proteomic and Phosphoproteomic Analyses Revealed the Regulatory Mechanism of the Response to Ultraviolet B Stress inACS omega · 2023Article
- Protection of photosystem I during sudden light stress depends on ferredoxin:NADP(H) reductase abundance and interactions.Plant physiology · 2022Article
- Here comes the sun: How optimization of photosynthetic light reactions can boost crop yields.Journal of integrative plant biology · 2022Review
- Betaine Aldehyde Dehydrogenase (Frontiers in plant science · 2021Article
- Proteomic analyses unraveling water stress response in two Eucalyptus species originating from contrasting environments for aridity.Molecular biology reports · 2020Article
- Biomarkers for grain yield stability in rice under drought stress.Journal of experimental botany · 2020Article
- Tweaking Photosynthesis: FNR-TROL Interaction as Potential Target for Crop Fortification.Frontiers in plant science · 2020Article
- Genetic Engineering for Global Food Security: Photosynthesis and Biofortification.Plants (Basel, Switzerland) · 2019Review
- Introgression of UfCyt cMolecular biology reports · 2018Article
- Genetic variation associated with healthy traits and environmental conditions in Vaccinium vitis-idaea.BMC genomics · 2018Article
- Interaction and electron transfer between ferredoxin-NADPPhotosynthesis research · 2017Review
- Evolution of the acceptor side of photosystem I: ferredoxin, flavodoxin, and ferredoxin-NADPPhotosynthesis research · 2017Review
- Molecular insights into photosynthesis and carbohydrate metabolism in Jatropha curcas grown under elevated COScientific reports · 2017Article
- Structure and properties of oil bodies in diatoms.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017Review
- Difference in oxidative stress tolerance between rice cultivars estimated with chlorophyll fluorescence analysis.BMC research notes · 2017Article
- Draft Genome Sequence of Plant Growth-Promoting Micrococcus luteus Strain K39 Isolated from Cyperus conglomeratus in Saudi Arabia.Genome announcements · 2017Article
- Physiological and Biochemical Analyses Shed Light on the Response ofFrontiers in plant science · 2017Article
Corrections and comments
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ferredoxin-NADP(H) reductase (FNR) catalyzes the last step of photosynthetic electron transport in chloroplasts, driving electrons from reduced ferredoxin to NADP+. This reaction is rate limiting for photosynthesis under a wide range of illumination conditions, as revealed by analysis of plants transformed with an antisense version of the FNR gene. To investigate whether accumulation of this flavoprotein over wild-type levels could improve photosynthetic efficiency and growth, we generated transgenic tobacco (Nicotiana tabacum) plants expressing a pea (Pisum sativum) FNR targeted to chloroplasts. The alien product distributed between the thylakoid membranes and the chloroplast stroma. Transformants grown at 150 or 700 micromol quanta m(-2) s(-1) displayed wild-type phenotypes regardless of FNR content. Thylakoids isolated from plants with a 5-fold FNR increase over the wild type displayed only moderate stimulation (approximately 20%) in the rates of electron transport from water to NADP+. In contrast, when donors of photosystem I were used to drive NADP+ photoreduction, the activity was 3- to 4-fold higher than the wild-type controls. Plants expressing various levels of FNR (from 1- to 3.6-fold over the wild type) failed to show significant differences in CO2 assimilation rates when assayed over a range of light intensities and CO2 concentrations. Transgenic lines exhibited enhanced tolerance to photooxidative damage and redox-cycling herbicides that propagate reactive oxygen species. The results suggest that photosynthetic electron transport has several rate-limiting steps, with FNR catalyzing just one of them.
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