Azospirillum brasilense increases CO2 fixation on microalgae Scenedesmus obliquus, Chlorella vulgaris, and Chlamydomonas reinhardtii cultured on high CO2 concentrations
Abstract
Mutualism interactions of microalgae with other microorganisms are widely used in several biotechnological processes since symbiotic interaction improves biotechnological capabilities of the microorganisms involved. The interaction of the bacterium Azospirillum brasilense was assessed with three microalgae genus, Scenedesmus, Chlorella, and Chlamydomonas, during CO 2 fixation under high CO 2 concentrations. The results in this study have demonstrated that A. brasilense maintained a mutualistic interaction with the three microalgae assessed, supported by the metabolic exchange of indole-3-acetic acid (IAA) and tryptophan (Trp), respectively. Besides, CO 2 fixation increased, as well as growth and cell compound accumulation, mainly carbohydrates, in each microalgae evaluated, interacting with the bacterium. Overall, these results propose the mutualism interaction of A. brasilense with microalgae for improving biotechnological processes based on microalgae as CO 2 capture and their bio-refinery capacity.
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Cultivation of A. brasilense with S. obliquus, C. vulgaris, and C. reinhardtii under high CO2 concentrations significantly enhanced microalgal growth and metabolite accumulation on each microalga.
“For instance, the cultivation of A. brasilense with the microalgae S. obliquus, C. vulgaris, and C. reinhardtii under high CO2 concentrations, as discussed earlier, significantly enhanced microalgal growth as well as metabolite accumulation on each microalga.”
From Toward the Enhancement of Microalgal Metabolite Production through Microalgae–Bacteria Consortia (2021) · cites this paper as [63]
The authors reported an increase of carbohydrates, proteins, and lipids under all gas mixtures evaluated.
“The authors reported an increase of carbohydrates, proteins, and lipids under all gas mixtures evaluated [63].”
From Toward the Enhancement of Microalgal Metabolite Production through Microalgae–Bacteria Consortia (2021) · cites this paper as [63]
The results revealed that A. brasilense has the ability to mitigate the stress caused by CO2 levels of up to 35%, improving the CO2 fixation rate by 25-50% in S. obliquus, 46-87% in C. vulgaris, and 41-53% in C. reinhardtii.
“The results revealed that A. brasilense has the ability to mitigate the stress caused by CO2 levels of up to 35%, improving the CO2 fixation rate by 25–50% in S. obliquus, 46–87% in C. vulgaris, and 41–53% in C. reinhardtii.”
From Toward the Enhancement of Microalgal Metabolite Production through Microalgae–Bacteria Consortia (2021) · cites this paper as [63]
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Toward the Enhancement of Microalgal Metabolite Production through Microalgae–Bacteria Consortia
González-González, L. M., & de-Bashan, L. E. (2021) · Biology · doi:10.3390/biology10040282 · Cited by 133 · see citing works
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- Authors
- Choix, F. J., López-Cisneros, C. G., & Méndez-Acosta, H. O.
- Affiliations
- Universidad de Guadalajara (MX)
- Corresponding author
- Choix, Francisco J.
- ORCID
- Choix, Francisco J.
- Venue
- Microbial Ecology
- Published
- 2018-01-11
- Volume
- 76
- Issue
- 2
- Pages
- 430-442
- ISSN
- 0095-3628 (ISSN-L)
- 1432-184X
- OpenAlex
- W2783467040
- Cited by
- 66
- References
- 42
- Citations by year
- 2026: 8 · 2025: 7 · 2024: 16 · 2023: 8 · 2022: 6 · 2021: 6 · 2020: 6 · 2019: 3 · 2018: 5
- FWCI
- 1.16
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Microbial Ecology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Project SENER-CONACyT (247006)
- Programa Catedrás CONACyT (2517)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Keywords
- Azospirillum brasilense, microalgae, mutualism, CO2 fixation, Scenedesmus obliquus, Chlorella vulgaris, Chlamydomonas reinhardtii, indole-3-acetic acid, tryptophan, metabolic exchange, elevated CO2, carbohydrate accumulation, CO2 capture, biorefinery
- MeSH terms
- Carbon Dioxide, Cell Count, Culture Media, Indoleacetic Acids, Plant Growth Regulators, Symbiosis, Tryptophan, Azospirillum brasilense, Chlamydomonas reinhardtii, Biomass, Cells, Immobilized, Scenedesmus, Chlorella vulgaris, Microbial Interactions, Carbon Cycle, Microalgae
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