ArticleNature communications2022
Phosphate limitation intensifies negative effects of ocean acidification on globally important nitrogen fixing cyanobacterium.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 45 citations in OpenAlex.
- Isolation and characterization of a potential heterotrophic nitrifying-aerobic denitrifying and phosphorus-accumulating bacteriumWater science and technology : a journal of the International Association on Water Pollution Research · 2026Article
- Evaluating Growth and Nitrogen and Phosphorus Removal of Four Microalgae in Different Nutrient Concentrations.Biology · 2025Article
- Unveiling Crocosphaera Responses to Phosphorus Depletion: Insights From Genome Analysis and Functional Characterization.Environmental microbiology · 2025Article
- Synergistic Impacts of Phosphorus Deficiency Coupled with Thermal and High-Light Stress on Physiological Profiles of CultivatedPlants (Basel, Switzerland) · 2025Article
- The microbial phosphorus cycle in aquatic ecosystems.Nature reviews. Microbiology · 2025Review
- Eukaryotic phytoplankton drive a decrease in primary production in response to elevated COProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Adaptive Responses of Cyanobacteria to Phosphate Limitation: A Focus on Marine Diazotrophs.Environmental microbiology · 2024Review
- Measurements and analysis of nitrogen and phosphorus in oceans: Practice, frontiers, and insights.Heliyon · 2024Review
- Phosphate limitation and ocean acidification co-shape phytoplankton physiology and community structure.Nature communications · 2023Article
- Deoxygenation enhances photosynthetic performance and increases NFrontiers in microbiology · 2023Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Growth of the prominent nitrogen-fixing cyanobacterium Trichodesmium is often limited by phosphorus availability in the ocean. How nitrogen fixation by phosphorus-limited Trichodesmium may respond to ocean acidification remains poorly understood. Here, we use phosphate-limited chemostat experiments to show that acidification enhanced phosphorus demands and decreased phosphorus-specific nitrogen fixation rates in Trichodesmium. The increased phosphorus requirements were attributed primarily to elevated cellular polyphosphate contents, likely for maintaining cytosolic pH homeostasis in response to acidification. Alongside the accumulation of polyphosphate, decreased NADP(H):NAD(H) ratios and impaired chlorophyll synthesis and energy production were observed under acidified conditions. Consequently, the negative effects of acidification were amplified compared to those demonstrated previously under phosphorus sufficiency. Estimating the potential implications of this finding, using outputs from the Community Earth System Model, predicts that acidification and dissolved inorganic and organic phosphorus stress could synergistically cause an appreciable decrease in global Trichodesmium nitrogen fixation by 2100.
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Registered trials
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