ArticlePlant physiology2010
Combined effects of CO2 and light on the N2-fixing cyanobacterium Trichodesmium IMS101: a mechanistic view.
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 21 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
21 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Pooled it
- Article
- Exploring the influence of atmospheric COApplied and environmental microbiology · 2024Article
- Protection of nitrogenase from photosynthetic OPhotosynthetica · 2023Review
- Dynamic diel proteome and daytime nitrogenase activity supports buoyancy in the cyanobacterium Trichodesmium.Nature microbiology · 2022Article
- Light and depth dependency of nitrogen fixation by the non-photosynthetic, symbiotic cyanobacterium UCYN-A.Environmental microbiology · 2021Article
- The global mass and average rate of rubisco.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Photorespiration is complemented by cyclic electron flow and the alternative oxidase pathway to optimize photosynthesis and protect against abiotic stress.Photosynthesis research · 2019Review
- Nutrient-Colimited Trichodesmium as a Nitrogen Source or Sink in a Future Ocean.Applied and environmental microbiology · 2018Article
- Sewage outburst triggers Trichodesmium bloom and enhance NScientific reports · 2017Article
- Ocean acidification modulates expression of genes and physiological performance of a marine diatom.PloS one · 2017Article
- Electron transport kinetics in the diazotrophic cyanobacterium Trichodesmium spp. grown across a range of light levels.Photosynthesis research · 2015Article
- Combined effects of different CO2 levels and N sources on the diazotrophic cyanobacterium Trichodesmium.Physiologia plantarum · 2014Article
- Benthic N2 fixation in coral reefs and the potential effects of human-induced environmental change.Ecology and evolution · 2014Review
- Acclimation to different depths by the marine angiosperm Posidonia oceanica: transcriptomic and proteomic profiles.Frontiers in plant science · 2013Article
- Ocean acidification slows nitrogen fixation and growth in the dominant diazotroph Trichodesmium under low-iron conditions.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Article
- Interactions between CCM and N2 fixation in Trichodesmium.Photosynthesis research · 2011Review
- Algal and aquatic plant carbon concentrating mechanisms in relation to environmental change.Photosynthesis research · 2011Review
- The influence of pCO2 and temperature on gene expression of carbon and nitrogen pathways in Trichodesmium IMS101.PloS one · 2010Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
The marine diazotrophic cyanobacterium Trichodesmium responds to elevated atmospheric CO(2) partial pressure (pCO(2)) with higher N(2) fixation and growth rates. To unveil the underlying mechanisms, we examined the combined influence of pCO(2) (150 and 900 microatm) and light (50 and 200 micromol photons m(-2) s(-1)) on Trichodesmium IMS101. We expand on a complementary study that demonstrated that while elevated pCO(2) enhanced N(2) fixation and growth, oxygen evolution and carbon fixation increased mainly as a response to high light. Here, we investigated changes in the photosynthetic fluorescence parameters of photosystem II, in ratios of the photosynthetic units (photosystem I:photosystem II), and in the pool sizes of key proteins involved in the fixation of carbon and nitrogen as well as their subsequent assimilation. We show that the combined elevation in pCO(2) and light controlled the operation of the CO(2)-concentrating mechanism and enhanced protein activity without increasing their pool size. Moreover, elevated pCO(2) and high light decreased the amounts of several key proteins (NifH, PsbA, and PsaC), while amounts of AtpB and RbcL did not significantly change. Reduced investment in protein biosynthesis, without notably changing photosynthetic fluxes, could free up energy that can be reallocated to increase N(2) fixation and growth at elevated pCO(2) and light. We suggest that changes in the redox state of the photosynthetic electron transport chain and posttranslational regulation of key proteins mediate the high flexibility in resources and energy allocation in Trichodesmium. This strategy should enable Trichodesmium to flourish in future surface oceans characterized by elevated pCO(2), higher temperatures, and high light.
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