ReviewPlanta2007
Photosynthetic H2 metabolism in Chlamydomonas reinhardtii (unicellular green algae).
Review in Planta, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
46 citing papers in PubMed, 266 citations in OpenAlex.
- Electron spin resonance in microalgae whole-cells to monitor hydrogen production.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2025Article
- Biomass-Based Hydrogen Extraction and Accompanying Hazards-Review.Molecules (Basel, Switzerland) · 2025Review
- Comparison of the effects of nitrogen-, sulfur- and combined nitrogen- and sulfur-deprivations on cell growth, lipid bodies and gene expressions in Chlamydomonas reinhardtii cc5373-sta6.BMC biotechnology · 2023Article
- Hydrogenase and Nitrogenase: Key Catalysts in Biohydrogen Production.Molecules (Basel, Switzerland) · 2023Review
- Review
- Emerging Trends in Genetic Engineering of Microalgae for Commercial Applications.Marine drugs · 2022Review
- Improving carbohydrate accumulation in Chlamydomonas debaryana induced by sulfur starvation using response surface methodology.Environmental science and pollution research international · 2022Article
- Nitrogen, phosphorus and high COPhotosynthesis research · 2021Article
- Heterologous Hydrogenase Overproduction Systems for Biotechnology-An Overview.International journal of molecular sciences · 2020Review
- Identification of the MAPK Cascade and its Relationship with Nitrogen Metabolism in the Green AlgaInternational journal of molecular sciences · 2020Article
- Characterization of the transient fluorescence wave phenomenon that occurs during H2 production in Chlamydomonas reinhardtii.Journal of experimental botany · 2019Article
- Bioethanol production from microalgae polysaccharides.Folia microbiologica · 2019Review
- Biological hydrogen production: molecular and electrolytic perspectives.World journal of microbiology & biotechnology · 2019Review
- Omics Application of Bio-Hydrogen Production Through Green AlgaFrontiers in bioengineering and biotechnology · 2019Review
- Palm oil mill effluent treatment and COEnvironmental science and pollution research international · 2017Article
- Metabolism in anoxic permeable sediments is dominated by eukaryotic dark fermentation.Nature geoscience · 2017Article
- Optogenetic regulation of artificial microRNA improves HBiotechnology for biofuels · 2017Article
- Multiple regulatory mechanisms in the chloroplast of green algae: relation to hydrogen production.Photosynthesis research · 2015Article
- Chlamydomonas Flavodiiron Proteins Facilitate Acclimation to Anoxia During Sulfur Deprivation.Plant & cell physiology · 2015Article
- Light-Harvesting Complex Protein LHCBM9 Is Critical for Photosystem II Activity and Hydrogen Production in Chlamydomonas reinhardtii.The Plant cell · 2014Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unicellular green algae have the ability to operate in two distinctly different environments (aerobic and anaerobic), and to photosynthetically generate molecular hydrogen (H2). A recently developed metabolic protocol in the green alga Chlamydomonas reinhardtii permitted separation of photosynthetic O2-evolution and carbon accumulation from anaerobic consumption of cellular metabolites and concomitant photosynthetic H2-evolution. The H2 evolution process was induced upon sulfate nutrient deprivation of the cells, which reversibly inhibits photosystem-II and O2-evolution in their chloroplast. In the absence of O2, and in order to generate ATP, green algae resorted to anaerobic photosynthetic metabolism, evolved H2 in the light and consumed endogenous substrate. This study summarizes recent advances on green algal hydrogen metabolism and discusses avenues of research for the further development of this method. Included is the mechanism of a substantial tenfold starch accumulation in the cells, observed promptly upon S-deprivation, and the regulated starch and protein catabolism during the subsequent H2-evolution. Also discussed is the function of a chloroplast envelope-localized sulfate permease, and the photosynthesis-respiration relationship in green algae as potential tools by which to stabilize and enhance H2 metabolism. In addition to potential practical applications of H2, approaches discussed in this work are beginning to address the biochemistry of anaerobic H2 photoproduction, its genes, proteins, regulation, and communication with other metabolic pathways in microalgae. Photosynthetic H2 production by green algae may hold the promise of generating a renewable fuel from nature's most plentiful resources, sunlight and water. The process potentially concerns global warming and the question of energy supply and demand.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.