1
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Xie Z, Wu Z, Wang O, Liu F. Unexpected growth promotion of Chlorella sacchrarophila triggered by herbicides DCMU. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131216. [PMID: 36934629 DOI: 10.1016/j.jhazmat.2023.131216] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/13/2023] [Accepted: 03/13/2023] [Indexed: 05/03/2023]
Abstract
The ecotoxicological effects of herbicide contamination on the autotrophic growth of microalgae in aquatic environments have been major concerns. However, little is known about the influence of herbicides on the mixotrophic growth of microalgae. This study investigated the ecotoxicological effect of 3-(3,4-dichlorophenyl)-1,1-dimethyl-urea (DCMU) on the mixotrophic growth of Chlorella sacchrarophila FACHB 4. Results showed that C. sacchrarophila in mixotrophy was more resistant to DCMU than in photoautotrophy. Moreover, a low content of DCMU (20-80 μg·L-1) promoted the mixotrophic growth of C. sacchrarophila, and the promotion effect was obviously enhanced with the increase in light intensity. The chlorophyll content and glucose absorption rate of C. sacchrarophila were found to increase after incubation with DCMU for 24 h. Transcriptome analyses revealed that the mechanism of DCMU to promote the mixotrophic growth of C. sacchrarophila was probably through accelerating glucose uptake and utilization, which was accomplished by reducing photodamage and increasing the chlorophyll content of C. sacchrarophila. This study not only revealed an unexpected bloom of mixotrophic microalgae triggered by herbicides, but it also shed new light on an effective and low-cost strategy to improve the microalgae productivity for utilization.
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Affiliation(s)
- Zhangzhang Xie
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, PR China
| | - Zhiyu Wu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, PR China
| | - Oumei Wang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, PR China
| | - Fanghua Liu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, PR China; Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266237, PR China.
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2
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Levasseur W, Perré P, Pozzobon V. Chlorella vulgaris acclimated cultivation under flashing light: An in-depth investigation under iso-actinic conditions. ALGAL RES 2023. [DOI: 10.1016/j.algal.2023.102976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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3
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Chlorella vulgaris cultivation under super high light intensity: An application of the flashing light effect. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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4
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Rasheed R, Thaher M, Younes N, Bounnit T, Schipper K, Nasrallah GK, Al Jabri H, Gifuni I, Goncalves O, Pruvost J. Solar cultivation of microalgae in a desert environment for the development of techno-functional feed ingredients for aquaculture in Qatar. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 835:155538. [PMID: 35489502 DOI: 10.1016/j.scitotenv.2022.155538] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 06/14/2023]
Abstract
The demand for aquaculture feed will increase in the coming years in order to ensure food security for a growing global population. Microalgae represent a potential fish-feed ingredient; however, the feasibility of their sustainable production has great influence on its successful application. Geographical locations offering high light and temperature, such as Qatar, are ideal to cultivate microalgae with high productivities. For that, the environmental and biological interactions, including field and laboratory optimization, for solar production and application of two native microalgae, Picochlorum maculatum and Nannochloris atomus, were investigated as potential aquaculture feed ingredients. After validating pilot-scale outdoor cultivation, both strains were further investigated under simulated seasonal conditions using a thermal model to predict light and culture temperature cycles for the major climatic seasons in Qatar. Applied thermal and light variations ranged from 36 °C and 2049 μmol/m2/s in extreme summer, to as low as 15 °C and 1107 μmol/m2/s in winter, respectively. Biomass productivities of both strains varied significantly with maximum productivities of 32.9 ± 2.5 g/m2/d and 17.1 ± 0.8 g/m2/d found under moderate summer conditions for P. maculatum and N. atomus, respectively. These productivities were significantly reduced under both extreme summer, as well as winter conditions. To improve annual biomass productivities, the effect of implementation of a simple ground heat exchanger for thermal regulation of raceway ponds was also studied. Biomass productivities increased significantly, during extreme seasons due to respective cooling and heating of the culture. Both strains produced high amounts of proteins during winter, 54.5 ± 0.55% and 44 ± 2.25%, while lipid contents were high during summer reaching up to 29.6 ± 0.75 and 28.65 ± 0.65%, for P. maculatum and N. atomus respectively. Finally, using acute toxicity assay with zebra fish embryos, both strains showed no toxicity even at the highest concentrations tested, and is considered safe for use as feed ingredient and to the environment.
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Affiliation(s)
- Rihab Rasheed
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar.
| | - Mahmoud Thaher
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Nadin Younes
- Biomedical Research Center, Qatar University, Doha 2713, Qatar; Department of Biomedical Sciences, College of Health Sciences, Member of QU Health, Qatar University, Doha 2713, Qatar
| | - Touria Bounnit
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Kira Schipper
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Gheyath K Nasrallah
- Biomedical Research Center, Qatar University, Doha 2713, Qatar; Department of Biomedical Sciences, College of Health Sciences, Member of QU Health, Qatar University, Doha 2713, Qatar
| | - Hareb Al Jabri
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar; Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Imma Gifuni
- Algosource Technologies, 7, Rue Eugène Cornet, 44600 Saint-Nazaire, France
| | - Olivier Goncalves
- CNRS, GEPEA, UMR 6144, Université de Nantes, Oniris, F-44600 Saint-Nazaire, France
| | - Jeremy Pruvost
- CNRS, GEPEA, UMR 6144, Université de Nantes, Oniris, F-44600 Saint-Nazaire, France
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5
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Rupawalla Z, Robinson N, Schmidt S, Li S, Carruthers S, Buisset E, Roles J, Hankamer B, Wolf J. Algae biofertilisers promote sustainable food production and a circular nutrient economy - An integrated empirical-modelling study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:148913. [PMID: 34328895 DOI: 10.1016/j.scitotenv.2021.148913] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 06/13/2023]
Abstract
Agriculture has radically changed the global nitrogen (N) cycle and is heavily dependent on synthetic N-fertiliser. However, the N-use efficiency of synthetic fertilisers is often only 50% with N-losses from crop systems polluting the biosphere, hydrosphere and atmosphere. To address the large carbon and energy footprint of N-fertiliser synthesis and curb N-pollution, new technologies are required to deliver enhanced energy efficiency, decarbonisation and a circular nutrient economy. Algae fertilisers (AF) are an alternative to synthetic N-fertiliser (SF). Here microalgae were used as biofertiliser for spinach production. AF production was evaluated using life-cycle analyses. Over 4 weeks, AF released 63.5% of N as bioavailable ammonium and nitrate, and 25% of phosphorous (P) as phosphate to the growth substrate; SF released 100% N and 20% P. To maximise crop N-use and minimise N-leaching, we explored AF and SF dose-response-curves with spinach in glasshouse conditions. AF-grown spinach produced 36% less biomass than SF-grown plants due to AF's slower and linear N-release; SF exhibited 5-times higher N-leaching than AF. Optimised AF:SF blends yielded greater synchrony between N-release and crop-uptake, boosting crop yields and minimising N-loss. Additional benefits of AF included greener leaves, lower leaf nitrate concentration, and higher microbial diversity and water holding capacity of the growth substrate. An integrated techno-economic and life-cycle-analysis of scaled-up microalgae systems (+/- wastewater) normalised to the application dose showed that replacing the most effective SF-dose with AF lowered the annual carbon footprint of fertiliser production from 3.644 kg CO2 m-2 (C-producing) to -6.039 kg CO2 m-2 (C-assimilation). N-loss from growth substrate was lowered by 54%. Embodied energy for AF:SF blends could be reduced by 29% when cultivating microalgae on wastewater. Conclusions: (i) microalgae offer a sustainable alternative to synthetic N-fertiliser for spinach production and potentially other crop systems, (ii) microalgae biofertilisers support the circular-nutrient-economy and several UN-Sustainable-Development-Goals.
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Affiliation(s)
- Zeenat Rupawalla
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Nicole Robinson
- School of Agriculture and Food Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Susanne Schmidt
- School of Agriculture and Food Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Sijie Li
- School of Agriculture and Food Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Selina Carruthers
- School of Agriculture and Food Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Elodie Buisset
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - John Roles
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Ben Hankamer
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Juliane Wolf
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia.
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6
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Mogany T, Bhola V, Ramanna L, Bux F. Photosynthesis and pigment production: elucidation of the interactive effects of nutrients and light on Chlamydomonas reinhardtii. Bioprocess Biosyst Eng 2021; 45:187-201. [PMID: 34668053 DOI: 10.1007/s00449-021-02651-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/30/2021] [Indexed: 01/22/2023]
Abstract
Chlamydomonas reinhardtii produces a variety of compounds that can be beneficial to human and animal health. Among these compounds, application of photosynthetic pigments, such as chlorophylls and carotenoids, has gained considerable interest in numerous industries. A better understanding on the interactive effects of essential nutrients and light on microalgal physiology and pigment production would be beneficial in improving cultivation strategies. Therefore, this study evaluated biomass, carotenoid and chlorophyll yield and the following fluorescence parameters: quantum yield in PS II [Y(II)] and electron transport rate (ETR) using response surface methodology (RSM). The Fv/Fm, Y(NO) and Y(NPQ) were also monitored; however, no significant relationship was observed. From the investigation it was apparent that nitrogen and carbon; as well as the interactive effects of (nitrogen and carbon) and (carbon and light irradiance) were significant factors. The model predicted the optimum conditions for maximum carotenoids (8.15 ± 0.389 mg g-1) were 08.7 mol l-1 of nitrogen, 0.2 mol l-1 and 50 μmol photon m-2 s-1 of light irradiance. While maximum chlorophyll (33.6 ± 0.854 mg g-1) required a higher nitrogen (11.21 mol l-1). The photosynthetic parameters [Y(II), ETR] was correlated with the primary pigments and biomass production. Increased photosynthetic activity was associated with high carbon and light. The Y(II)and ETR of PSII under these conditions were 0.2 and ~ 14, respectively. This approach was accurate in developing the model, optimizing factors and analysing interaction effects. This study served to provide a better understanding on the interactions between factors influencing pigment biosynthesis and photosynthetic performance of Chlamydomonas reinhardtii.
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Affiliation(s)
- Trisha Mogany
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, 4001, South Africa
| | - Virthie Bhola
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, 4001, South Africa
| | - Luveshan Ramanna
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, 4001, South Africa
| | - Faizal Bux
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, 4001, South Africa.
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7
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Hahm J, Bauer A, Jung S, Zell N, Boßle F, Buchholz R, Lindenberger C. Process Parameter Screening for the Microalga
Chlamydomonas asymmetrica
in Batch and Turbidostat Cultivations. CHEM-ING-TECH 2021. [DOI: 10.1002/cite.202100046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | | | - Sun‐Hwa Jung
- FAU Branch Campus Busan Busan South Korea
- Ostbayerische Technische Hochschule Amberg-Weiden Faculty of Department of Mechanical Engineering/Environmental Technology Amberg Germany
| | - Niklas Zell
- Ostbayerische Technische Hochschule Amberg-Weiden Faculty of Department of Mechanical Engineering/Environmental Technology Amberg Germany
| | - Fabian Boßle
- Ostbayerische Technische Hochschule Amberg-Weiden Faculty of Department of Mechanical Engineering/Environmental Technology Amberg Germany
| | | | - Christoph Lindenberger
- FAU Branch Campus Busan Busan South Korea
- Ostbayerische Technische Hochschule Amberg-Weiden Faculty of Department of Mechanical Engineering/Environmental Technology Amberg Germany
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8
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Sørensen M, Møller BL. Metabolic Engineering of Photosynthetic Cells – in Collaboration with Nature. Metab Eng 2021. [DOI: 10.1002/9783527823468.ch21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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9
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Roles J, Yarnold J, Hussey K, Hankamer B. Techno-economic evaluation of microalgae high-density liquid fuel production at 12 international locations. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:133. [PMID: 34099055 PMCID: PMC8183327 DOI: 10.1186/s13068-021-01972-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 05/17/2021] [Indexed: 05/30/2023]
Abstract
BACKGROUND Microalgae-based high-density fuels offer an efficient and environmental pathway towards decarbonization of the transport sector and could be produced as part of a globally distributed network without competing with food systems for arable land. Variations in climatic and economic conditions significantly impact the economic feasibility and productivity of such fuel systems, requiring harmonized technoeconomic assessments to identify important conditions required for commercial scale up. METHODS Here, our previously validated Techno-economic and Lifecycle Analysis (TELCA) platform was extended to provide a direct performance comparison of microalgae diesel production at 12 international locations with variable climatic and economic settings. For each location, historical weather data, and jurisdiction-specific policy and economic inputs were used to simulate algal productivity, evaporation rates, harvest regime, CapEx and OpEx, interest and tax under location-specific operational parameters optimized for Minimum Diesel Selling Price (MDSP, US$ L-1). The economic feasibility, production capacity and CO2-eq emissions of a defined 500 ha algae-based diesel production facility is reported for each. RESULTS Under a for-profit business model, 10 of the 12 locations achieved a minimum diesel selling price (MDSP) under US$ 1.85 L-1 / US$ 6.99 gal-1. At a fixed theoretical MDSP of US$ 2 L-1 (US$ 7.57 gal-1) these locations could achieve a profitable Internal Rate of Return (IRR) of 9.5-22.1%. Under a public utility model (0% profit, 0% tax) eight locations delivered cost-competitive renewable diesel at an MDSP of < US$ 1.24 L-1 (US$ 4.69 gal-1). The CO2-eq emissions of microalgae diesel were about one-third of fossil-based diesel. CONCLUSIONS The public utility approach could reduce the fuel price toward cost-competitiveness, providing a key step on the path to a profitable fully commercial renewable fuel industry by attracting the investment needed to advance technology and commercial biorefinery co-production options. Governments' adoption of such an approach could accelerate decarbonization, improve fuel security, and help support a local COVID-19 economic recovery. This study highlights the benefits and limitations of different factors at each location (e.g., climate, labour costs, policy, C-credits) in terms of the development of the technology-providing insights on how governments, investors and industry can drive the technology forward.
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Affiliation(s)
- John Roles
- Institute for Molecular Bioscience, The University of Queensland, 306 Carmody Road, Brisbane, QLD, 4072, Australia
| | - Jennifer Yarnold
- Institute for Molecular Bioscience, The University of Queensland, 306 Carmody Road, Brisbane, QLD, 4072, Australia
- Centre for Policy Futures, Faculty of Humanities and Social Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Karen Hussey
- Centre for Policy Futures, Faculty of Humanities and Social Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Ben Hankamer
- Institute for Molecular Bioscience, The University of Queensland, 306 Carmody Road, Brisbane, QLD, 4072, Australia.
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10
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Laboratory-scale reproduction of lighting conditions for an outdoor vertical column photobioreactor: Theoretical fundamentals and operation of a programmable LED module. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102227] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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Huang MY, Wong SL, Weng JH. Rapid Light-Response Curve of Chlorophyll Fluorescence in Terrestrial Plants: Relationship to CO 2 Exchange among Five Woody and Four Fern Species Adapted to Different Light and Water Regimes. PLANTS (BASEL, SWITZERLAND) 2021; 10:445. [PMID: 33652840 PMCID: PMC7996942 DOI: 10.3390/plants10030445] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/23/2021] [Accepted: 02/23/2021] [Indexed: 11/24/2022]
Abstract
The rapid light response of electron transport rate (ETRR), obtained from chlorophyll fluorescence parameters by short illumination periods (10-30 s) at each light level, can provide a rapid and easy measurement of photosynthetic light response in plants. However, the relationship between ETRR and the steady-state light response of CO2 exchange rate (AS) of terrestrial plants has not been studied in detail. In this study, we compared the ETRR and AS for five woody and four fern species with different light and/or water adaptations. Under well-watered conditions, a constant temperature (25 °C) and with stomatal conductance (gs) not being a main limiting factor for photosynthesis, ETRR and AS were closely related, even when merging data for regression analysis for a species grown under different light conditions and measured under different light intensity and air humidity. However, when Alnus formosana was treated with low soil water and air humidity, because of the decrease in AS mainly due to stomatal closure, the ETRR-AS relation was not so close. In addition, at both 100 and 2000 μmol m-2 s-1 photosynthetic photon flux density (PPFD), ETRR and AS were significantly correlated within a plant group (i.e., woody plants and ferns) regardless of the broad difference in AS due to different species or environmental factors. The results indicate that the relationship between the ETRR and AS is varied by species. We concluded that 1) ETRR could reflect the variation in AS at each irradiance level within a species under well-watered conditions and 2) ETRR at 100 μmol m-2 s-1 PPFD (as the efficiency of light capture) or 2000 μmol m-2 s-1 PPFD (as a maximum photosynthetic parameter) could be used to compare the photosynthetic capacity within a plant group, such as woody plants and ferns.
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Affiliation(s)
- Meng-Yuan Huang
- Department of Life Sciences, National Chung-Hsing University, Taichung 40227, Taiwan;
| | - Shau-Lian Wong
- Division of Botany, Endemic Species Research Institute, Nantou 552, Taiwan;
| | - Jen-Hsien Weng
- Department of Life Sciences, National Chung-Hsing University, Taichung 40227, Taiwan;
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12
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Lima S, Schulze PSC, Schüler LM, Rautenberger R, Morales-Sánchez D, Santos TF, Pereira H, Varela JCS, Scargiali F, Wijffels RH, Kiron V. Flashing light emitting diodes (LEDs) induce proteins, polyunsaturated fatty acids and pigments in three microalgae. J Biotechnol 2020; 325:15-24. [PMID: 33245925 DOI: 10.1016/j.jbiotec.2020.11.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 11/04/2020] [Accepted: 11/24/2020] [Indexed: 10/22/2022]
Abstract
As the periodic emission of light pulses by light emitting diodes (LEDs) is known to stimulate growth or induce high value biocompounds in microalgae, this flashing light regime was tested on growth and biochemical composition of the microalgae Nannochloropsis gaditana, Koliella antarctica and Tetraselmis chui. At low flashing light frequencies (e.g., 5 and 50 Hz, Duty cycle = 0.05), a strain-dependent growth inhibition and an accumulation of protein, polyunsaturated fatty acids, chlorophyll or carotenoids (lutein, β-carotene, violaxanthin and neoxanthin) was observed. In addition, a 4-day application of low-frequency flashing light to concentrated cultures increased productivities of eicosapentaenoic acid (EPA) and specific carotenoids up to three-fold compared to continuous or high frequency flashing light (500 Hz, Duty cycle = 0.05). Therefore, applying low-frequency flashing light as finishing step in industrial production can increase protein, polyunsaturated fatty acids or pigment contents in biomass, leading to high-value algal products.
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Affiliation(s)
- Serena Lima
- Engineering Department, University of Palermo, Viale delle Scienze Ed. 6, Palermo, Italy
| | - Peter S C Schulze
- Nord University, Faculty of Biosciences and Aquaculture, Bodø, Norway; Green Colab - Associação Oceano Verde, University of Algarve, Campus de Gambelas, Faro, Portugal.
| | - Lisa M Schüler
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Ralf Rautenberger
- Department of Algae Production, Norwegian Institute for Bioeconomy Research, Division of Biotechnology and Plant Health, Bodø, Norway
| | | | - Tamára F Santos
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Hugo Pereira
- Green Colab - Associação Oceano Verde, University of Algarve, Campus de Gambelas, Faro, Portugal; Centre of Marine Sciences, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - João C S Varela
- Centre of Marine Sciences, University of Algarve, Campus de Gambelas, Faro, Portugal
| | - Francesca Scargiali
- Engineering Department, University of Palermo, Viale delle Scienze Ed. 6, Palermo, Italy
| | - René H Wijffels
- Nord University, Faculty of Biosciences and Aquaculture, Bodø, Norway; Wageningen University, Bioprocess Engineering, AlgaePARC, Netherlands
| | - Viswanath Kiron
- Nord University, Faculty of Biosciences and Aquaculture, Bodø, Norway.
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13
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Lima S, Villanova V, Grisafi F, Brucato A, Scargiali F. Combined effect of nutrient and flashing light frequency for a biochemical composition shift in
Nannochloropsis gaditana
grown in a quasi‐isoactinic reactor. CAN J CHEM ENG 2020. [DOI: 10.1002/cjce.23776] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Serena Lima
- Department of EngineeringUniversity of Palermo Palermo Italy
| | | | - Franco Grisafi
- Department of EngineeringUniversity of Palermo Palermo Italy
| | - Alberto Brucato
- Department of EngineeringUniversity of Palermo Palermo Italy
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15
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Guo W, Cheng J, Song Y, Kumar S, Ali KA, Wang Y, Li X, Yang W. Improving flashing light frequency and CO2 fixation rate with vortex movement of algal cells in raceway pond with conic baffles. Chem Eng Sci 2020. [DOI: 10.1016/j.ces.2020.115536] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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16
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Roles J, Yarnold J, Wolf J, Stephens E, Hussey K, Hankamer B. Charting a development path to deliver cost competitive microalgae-based fuels. ALGAL RES 2020. [DOI: 10.1016/j.algal.2019.101721] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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17
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Musa M, Ayoko GA, Ward A, Rösch C, Brown RJ, Rainey TJ. Factors Affecting Microalgae Production for Biofuels and the Potentials of Chemometric Methods in Assessing and Optimizing Productivity. Cells 2019; 8:E851. [PMID: 31394865 PMCID: PMC6721732 DOI: 10.3390/cells8080851] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/26/2019] [Accepted: 08/02/2019] [Indexed: 12/04/2022] Open
Abstract
Microalgae are swift replicating photosynthetic microorganisms with several applications for food, chemicals, medicine and fuel. Microalgae have been identified to be suitable for biofuels production, due to their high lipid contents. Microalgae-based biofuels have the potential to meet the increasing energy demands and reduce greenhouse gas (GHG) emissions. However, the present state of technology does not economically support sustainable large-scale production. The biofuel production process comprises the upstream and downstream processing phases, with several uncertainties involved. This review examines the various production and processing stages, and considers the use of chemometric methods in identifying and understanding relationships from measured study parameters via statistical methods, across microalgae production stages. This approach enables collection of relevant information for system performance assessment. The principal benefit of such analysis is the identification of the key contributing factors, useful for decision makers to improve system design, operation and process economics. Chemometrics proffers options for time saving in data analysis, as well as efficient process optimization, which could be relevant for the continuous growth of the microalgae industry.
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Affiliation(s)
- Mutah Musa
- Biofuel Engine Research Facility, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology (QUT), Queensland 4000, Australia.
| | - Godwin A Ayoko
- Environmental Technologies Discipline, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology, Queensland 4000, Australia
| | - Andrew Ward
- Queensland Urban Utilities (QUU), Innovation Centre, Main Beach Road Myrtletown QLD 4008, Australia
- Advanced Water Management Centre (AWMC), University of Queensland (UQ), St Lucia, Brisbane, Queensland 4072, Australia
| | - Christine Rösch
- Institute for Technology Assessment and Systems Analysis (ITAS), Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
| | - Richard J Brown
- Biofuel Engine Research Facility, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology (QUT), Queensland 4000, Australia
| | - Thomas J Rainey
- Biofuel Engine Research Facility, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology (QUT), Queensland 4000, Australia.
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18
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Leonardi RJ, Ibañez MV, Morelli MN, Irazoqui HA, Heinrich JM. Influence of light stratification on the growth of Scenedesmus quadricauda. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2019.04.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Holdmann C, Schmid-Staiger U, Hirth T. Outdoor microalgae cultivation at different biomass concentrations — Assessment of different daily and seasonal light scenarios by modeling. ALGAL RES 2019. [DOI: 10.1016/j.algal.2018.101405] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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20
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Sivakaminathan S, Hankamer B, Wolf J, Yarnold J. High-throughput optimisation of light-driven microalgae biotechnologies. Sci Rep 2018; 8:11687. [PMID: 30076312 PMCID: PMC6076246 DOI: 10.1038/s41598-018-29954-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 07/19/2018] [Indexed: 12/18/2022] Open
Abstract
Microalgae biotechnologies are rapidly developing into new commercial settings. Several high value products already exist on the market, and systems development is focused on cost reduction to open up future economic opportunities for food, fuel and freshwater production. Light is a key environmental driver for photosynthesis and optimising light capture is therefore critical for low cost, high efficiency systems. Here a novel high-throughput screen that simulates fluctuating light regimes in mass cultures is presented. The data was used to model photosynthetic efficiency (PEµ, mol photon-1 m2) and chlorophyll fluorescence of two green algae, Chlamydomonas reinhardtii and Chlorella sp. Response surface methodology defined the effect of three key variables: density factor (Df, 'culture density'), cycle time (tc, 'mixing rate'), and maximum incident irradiance (Imax). Both species exhibited a large rise in PEµ with decreasing Imax and a minimal effect of tc (between 3-20 s). However, the optimal Df of 0.4 for Chlamydomonas and 0.8 for Chlorella suggested strong preferences for dilute and dense cultures respectively. Chlorella had a two-fold higher optimised PEµ than Chlamydomonas, despite its higher light sensitivity. These results demonstrate species-specific light preferences within the green algae clade. Our high-throughput screen enables rapid strain selection and process optimisation.
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Affiliation(s)
- Shwetha Sivakaminathan
- The University of Queensland, Institute for Molecular Bioscience, 306 Carmody Road, St Lucia, Australia
| | - Ben Hankamer
- The University of Queensland, Institute for Molecular Bioscience, 306 Carmody Road, St Lucia, Australia
| | - Juliane Wolf
- The University of Queensland, Institute for Molecular Bioscience, 306 Carmody Road, St Lucia, Australia.
| | - Jennifer Yarnold
- The University of Queensland, Institute for Molecular Bioscience, 306 Carmody Road, St Lucia, Australia.
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21
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Carrera Pacheco SE, Hankamer B, Oey M. Optimising light conditions increases recombinant protein production in Chlamydomonas reinhardtii chloroplasts. ALGAL RES 2018. [DOI: 10.1016/j.algal.2018.04.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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22
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McHardy C, Luzi G, Lindenberger C, Agudo JR, Delgado A, Rauh C. Numerical analysis of the effects of air on light distribution in a bubble column photobioreactor. ALGAL RES 2018. [DOI: 10.1016/j.algal.2018.02.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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23
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Cantrell M, Peers G. A mutant of Chlamydomonas without LHCSR maintains high rates of photosynthesis, but has reduced cell division rates in sinusoidal light conditions. PLoS One 2017. [PMID: 28644828 PMCID: PMC5482440 DOI: 10.1371/journal.pone.0179395] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The LHCSR protein belongs to the light harvesting complex family of pigment-binding proteins found in oxygenic photoautotrophs. Previous studies have shown that this complex is required for the rapid induction and relaxation of excess light energy dissipation in a wide range of eukaryotic algae and moss. The ability of cells to rapidly regulate light harvesting between this dissipation state and one favoring photochemistry is believed to be important for reducing oxidative stress and maintaining high photosynthetic efficiency in a rapidly changing light environment. We found that a mutant of Chlamydomonas reinhardtii lacking LHCSR, npq4lhcsr1, displays minimal photoinhibition of photosystem II and minimal inhibition of short term oxygen evolution when grown in constant excess light compared to a wild type strain. We also investigated the impact of no LHCSR during growth in a sinusoidal light regime, which mimics daily changes in photosynthetically active radiation. The absence of LHCSR correlated with a slight reduction in the quantum efficiency of photosystem II and a stimulation of the maximal rates of photosynthesis compared to wild type. However, there was no reduction in carbon accumulation during the day. Another novel finding was that npq4lhcsr1 cultures underwent fewer divisions at night, reducing the overall growth rate compared to the wild type. Our results show that the rapid regulation of light harvesting mediated by LHCSR is required for high growth rates, but it is not required for efficient carbon accumulation during the day in a sinusoidal light environment. This finding has direct implications for engineering strategies directed at increasing photosynthetic productivity in mass cultures.
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Affiliation(s)
- Michael Cantrell
- Department of Biology, Colorado State University, Fort Collins, CO, United States of America
| | - Graham Peers
- Department of Biology, Colorado State University, Fort Collins, CO, United States of America
- * E-mail:
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24
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Jallet D, Caballero MA, Gallina AA, Youngblood M, Peers G. Photosynthetic physiology and biomass partitioning in the model diatom Phaeodactylum tricornutum grown in a sinusoidal light regime. ALGAL RES 2016. [DOI: 10.1016/j.algal.2016.05.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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25
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Abu-Ghosh S, Fixler D, Dubinsky Z, Iluz D. Flashing light in microalgae biotechnology. BIORESOURCE TECHNOLOGY 2016; 203:357-363. [PMID: 26747205 DOI: 10.1016/j.biortech.2015.12.057] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 12/17/2015] [Accepted: 12/19/2015] [Indexed: 06/05/2023]
Abstract
Flashing light can enhance photosynthesis and improve the quality and quantity of microalgal biomass, as it can increase the products of interest by magnitudes. Therefore, the integration of flashing light effect into microalgal cultivation systems should be considered. However, microalgae require a balanced mix of the light/dark cycle for higher growth rates, and respond to light intensity differently according to the pigments acquired or lost during the growth. This review highlights recently published results on flashing light effect on microalgae and its applications in biotechnology, as well as the recently developed bioreactors designed to fulfill this effect. It also discusses how this knowledge can be applied in selecting the optimal light frequencies and intensities with specific technical properties for increasing biomass production and/or the yield of the chemicals of interest by microalgae belonging to different genera.
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Affiliation(s)
- Said Abu-Ghosh
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 5290002, Israel; The Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat-Gan 5290002, Israel.
| | - Dror Fixler
- Faculty of Engineering, Bar-Ilan University, Ramat-Gan 5290002, Israel; The Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Zvy Dubinsky
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - David Iluz
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 5290002, Israel
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