ArticleBiotechnology for biofuels2014
Glycogen production for biofuels by the euryhaline cyanobacteria Synechococcus sp. strain PCC 7002 from an oceanic environment.
Article in Biotechnology for biofuels, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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39 citing papers in PubMed, 94 citations in OpenAlex.
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- Biotechnological Applications of Cyanobacteria: Synechocystis and Synechococcus Strains.Advances in biochemical engineering/biotechnology · 2025Review
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- Engineered living photosynthetic biocomposites for intensified biological carbon capture.Scientific reports · 2022Article
- Light-Driven Synthetic Biology: Progress in Research and Industrialization of Cyanobacterial Cell Factory.Life (Basel, Switzerland) · 2022Review
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- Prospective bacterial and fungal sources of hyaluronic acid: A review.Computational and structural biotechnology journal · 2022Review
- Manipulating the Expression of Glycogen Phosphorylase inFrontiers in bioengineering and biotechnology · 2022Article
- Developing algae as a sustainable food source.Frontiers in nutrition · 2022Review
- Combinatorial use of environmental stresses and genetic engineering to increase ethanol titres in cyanobacteria.Biotechnology for biofuels · 2021Review
- Protocol for hybrid flux balance, statistical, and machine learning analysis of multi-omic data from the cyanobacteriumSTAR protocols · 2021Article
- Algal glycobiotechnology: omics approaches for strain improvement.Microbial cell factories · 2021Review
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- Biomedical Applications of Bacteria-Derived Polymers.Polymers · 2021Review
- Enhancing photosynthetic production of glycogen-rich biomass for use as a fermentation feedstock.Frontiers in energy research · 2020Article
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Authors and funding
6 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOxygenic photosynthetic microorganisms such as cyanobacteria and microalgae have attracted attention as an alternative carbon source for the next generation of biofuels. Glycogen abundantly accumulated in cyanobacteria is a promising feedstock which can be converted to ethanol through saccharification and fermentation processes. In addition, the utilization of marine cyanobacteria as a glycogen producer can eliminate the need for a freshwater supply. Synechococcus sp. strain PCC 7002 is a fast-growing marine coastal euryhaline cyanobacteria, however, the glycogen yield has not yet been determined. In the present study, the effects of light intensity, CO2 concentration, and salinity on the cell growth and glycogen content were investigated in order to maximize glycogen production in Synechococcus sp. strain PCC 7002.
resultsThe optimal culture conditions for glycogen production in Synechococcus sp. strain PCC 7002 were investigated. The maximum glycogen production of 3.5 g L(-1) for 7 days (a glycogen productivity of 0.5 g L(-1) d(-1)) was obtained under a high light intensity, a high CO2 level, and a nitrogen-depleted condition in brackish water. The glycogen production performance in Synechococcus sp. strain PCC 7002 was the best ever reported in the α-polyglucan (glycogen or starch) production of cyanobacteria and microalgae. In addition, the robustness of glycogen production in Synechococcus sp. strain PCC 7002 to salinity was evaluated in seawater and freshwater. The peak of glycogen production of Synechococcus sp. strain PCC 7002 in seawater and freshwater were 3.0 and 1.8 g L(-1) in 7 days, respectively. Glycogen production in Synechococcus sp. strain PCC 7002 maintained the same level in seawater and half of the level in freshwater compared with the optimal result obtained in brackish water.
conclusionsWe conclude that Synechococcus sp. strain PCC 7002 has high glycogen production activity and glycogen can be provided from coastal water accompanied by a fluctuation of salinity. This work supports Synechococcus sp. strain PCC 7002 as a promising carbohydrate source for biofuel production.
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