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Doose C, Hubas C. The metabolites of light: Untargeted metabolomic approaches bring new clues to understand light-driven acclimation of intertidal mudflat biofilm. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168692. [PMID: 38008320 DOI: 10.1016/j.scitotenv.2023.168692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/06/2023] [Accepted: 11/16/2023] [Indexed: 11/28/2023]
Abstract
The microphytobenthos (MPB), a microbial community of primary producers, play a key role in coastal ecosystem functioning, particularly in intertidal mudflats. These mudflats experience challenging variations of irradiance, forcing the micro-organisms to develop photoprotective mechanisms to survive and thrive in this dynamic environment. Two major adaptations to light are well described in literature: the excess of light energy dissipation through non-photochemical quenching (NPQ), and the vertical migration in the sediment. These mechanisms trigger considerable scientific interest, but the biological processes and metabolic mechanisms involved in light-driven vertical migration remain largely unknown. To our knowledge, this study investigates for the first time metabolomic responses of a migrational mudflat biofilm exposed for 30 min to a light gradient of photosynthetically active radiation (PAR) from 50 to 1000 μmol photons m-2 s-1. The untargeted metabolomic analysis allowed to identify metabolites involved in two types of responses to light irradiance levels. On the one hand, the production of SFAs and MUFAs, primarily derived from bacteria, indicates a healthy photosynthetic state of MPB under low light (LL; 50 and 100 PAR) and medium light (ML; 250 PAR) conditions. Conversely, when exposed to high light (HL; 500, 750 and 1000 PAR), the MPB experienced light-induced stress, triggering the production of alka(e)nes and fatty alcohols. The physiological and ecological roles of these compounds are poorly described in literature. This study sheds new light on the topic, as it suggests that these compounds may play a crucial and previously unexplored role in light-induced stress acclimation of migrational MPB biofilms. Since alka(e)nes are produced from FAs decarboxylation, these results thus emphasize for the first time the importance of FAs pathways in microphytobenthic biofilms acclimation to light.
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Affiliation(s)
- Caroline Doose
- Muséum National d'Histoire Naturelle, UMR BOREA, MNHN-CNRS-UCN-UPMC-IRD-UA, Station Marine de Concarneau, Concarneau, France.
| | - Cédric Hubas
- Muséum National d'Histoire Naturelle, UMR BOREA, MNHN-CNRS-UCN-UPMC-IRD-UA, Station Marine de Concarneau, Concarneau, France.
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2
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Darvishi F, Rafatiyan S, Abbaspour Motlagh Moghaddam MH, Atkinson E, Ledesma-Amaro R. Applications of synthetic yeast consortia for the production of native and non-native chemicals. Crit Rev Biotechnol 2024; 44:15-30. [PMID: 36130800 DOI: 10.1080/07388551.2022.2118569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/03/2022] [Accepted: 08/19/2022] [Indexed: 11/03/2022]
Abstract
The application of microbial consortia is a new approach in synthetic biology. Synthetic yeast consortia, simple or complex synthetic mixed cultures, have been used for the production of various metabolites. Cooperation between the members of a consortium and cross-feeding can be applied to create stable microbial communication. These consortia can: consume a variety of substrates, perform more complex functions, produce metabolites in high titer, rate, and yield (TRY), and show higher stability during industrial fermentations. Due to the new research context of synthetic consortia, few yeasts were used to build these consortia, including Saccharomyces cerevisiae, Pichia pastoris, and Yarrowia lipolytica. Here, application of the yeasts for design of synthetic microbial consortia and their advantages and bottlenecks for effective and robust production of valuable metabolites from bioresource, including: cellulose, xylose, glycerol and so on, have been reviewed. Key trends and challenges are also discussed for the future development of synthetic yeast consortia.
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Affiliation(s)
- Farshad Darvishi
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
- Research Center for Applied Microbiology and Microbial Biotechnology (CAMB), Alzahra University, Tehran, Iran
| | - Sajad Rafatiyan
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | | | - Eliza Atkinson
- Department of Bioengineering and Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
| | - Rodrigo Ledesma-Amaro
- Department of Bioengineering and Imperial College Centre for Synthetic Biology, Imperial College London, London, UK
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3
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Tseng YS, Patel AK, Haldar D, Chen CW, Dong CD, Singhania RR. Microalgae and nano-cellulose composite produced via a co-culturing strategy for ammonia removal from the aqueous phase. BIORESOURCE TECHNOLOGY 2023; 389:129801. [PMID: 37813315 DOI: 10.1016/j.biortech.2023.129801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/13/2023] [Accepted: 09/22/2023] [Indexed: 10/11/2023]
Abstract
This study addresses the pressing need for sustainable bioremediation solutions to combat increasing pollution challenges in alignment with sustainability development goals. The research focuses on developing a co-culture approach involving microalgae and Komagataeibacter europaeus BCRC 14148 bacterium to create a biocomposite for efficient ammonia removal. Nanocellulose, produced by the bacterium, serves as a substrate for microalgae attachment. Optimization using specific growth media ratios resulted in biocomposite yields of 4.05 ± 0.16 g/L and 3.83 ± 0.13 g/L in HS medium with fructose and glucose, respectively. The optimal conditions include a 40:60 ratio of HS-F to TAP medium, 25 ℃ incubation, 6000 Lux light intensity, pH 5.5, and a 48-hour incubation period. When applied to wastewater treatment, the biocomposite demonstrated exceptional ammonium removal efficiency at 91.64 ± 1.27 %. This co-culture-derived biocomposite offers an eco-friendly, recyclable, and effective solution for sustainable environmental bioremediation.
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Affiliation(s)
- Yi-Sheng Tseng
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
| | - Anil Kumar Patel
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow-226 029, Uttar Pradesh, India; The College of Hydrosphere Science, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
| | - Dibyajyoti Haldar
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore 641114, India
| | - Chiu-Wen Chen
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; The College of Hydrosphere Science, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
| | - Cheng-Di Dong
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; The College of Hydrosphere Science, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan.
| | - Reeta Rani Singhania
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow-226 029, Uttar Pradesh, India.
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Chauhan AS, Chen CW, Yadav H, Parameswaran B, Singhania RR, Dong CD, Patel AK. Assessment of thraustochytrids potential for carotenoids, terpenoids and polyunsaturated fatty acids biorefinery. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:2955-2967. [PMID: 37786601 PMCID: PMC10542083 DOI: 10.1007/s13197-023-05740-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/22/2023] [Accepted: 03/26/2023] [Indexed: 10/04/2023]
Abstract
Heterotrophic fast-growing thraustochytrids have been identified as promising candidates for the bioconversion of organic sources into industrially important valuable products. Marine thraustochytrids exhibit remarkable potential for high-value polyunsaturated fatty acids (PUFAs) production however their potential is recently discovered for high-value carotenoids and terpenoids which also have a role as a dietary supplement and health promotion. Primarily, omega-3 and 6 PUFAs (DHA, EPA, and ARA) from thraustochytrids are emerging sources of nutrient supplements for vegetarians replacing animal sources and active pharmaceutical ingredients due to excellent bioactivities. Additionally, thraustochytrids produce reasonable amounts of squalene (terpenoid) and carotenoids which are also high-value products with great market potential. Hence, these can be coextracted as a byproduct with PUFAs under the biorefinery concept. There is still quite a few printed information on bioprocess conditions for decent (co)-production of squalene and carotenoid from selective protists such as lutein, astaxanthin, canthaxanthin, and lycopene. The current review seeks to provide a concise overview of the coproduction and application of PUFAs, carotenoids, and terpenoids from oleaginous thraustochytrids and their application to human health.
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Affiliation(s)
- Ajeet Singh Chauhan
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
| | - Chiu-Wen Chen
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
- Sustainable Environment Research Centre, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
- Department of Marine Environmental Engineering, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
| | - Hema Yadav
- Plant Quarantine Division, National Bureau of Plant Genetic Resources, ICAR-NBPGR, Pusa, New Delhi 110012 India
| | - Binod Parameswaran
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum, Kerala 695 019 India
| | - Reeta Rani Singhania
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
- Centre for Energy and Environmental Sustainability, Lucknow, Uttar Pradesh 226 029 India
| | - Cheng-Di Dong
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
- Sustainable Environment Research Centre, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
- Department of Marine Environmental Engineering, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
| | - Anil Kumar Patel
- Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City, 81157 Taiwan
- Centre for Energy and Environmental Sustainability, Lucknow, Uttar Pradesh 226 029 India
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Lu Q, Liu H, Sun Y, Li H. Combined zeolite-based ammonia slow-release and algae-yeast consortia to treat piggery wastewater: Improved nitrogen and carbon migration. BIORESOURCE TECHNOLOGY 2023; 387:129671. [PMID: 37579862 DOI: 10.1016/j.biortech.2023.129671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/16/2023]
Abstract
Integration of zeolite-based ammonia adsorption and algae-yeast consortia was developed to remediate piggery wastewater (PW) containing high concentrations of total ammonia nitrogen (TAN) and total organic carbon (TOC). After optimizing the conditions of ammonia adsorption in the PW. Zeolite addition mitigated ammonia toxicity, allowing zeolites to gradually release ammonia while effectively attenuating algal oxidative stress caused by high TAN concentration. Coupling zeolite-based adsorption and yeast co-incubation further increased TOC degradation and available C/N ratio, thus improving biomass (4.51 g/L), oil yield (2.11 g/L), and nutrient removal (84.18%-99.14%). The integrated microalgae-based PW treatment exhibited higher carbon migration into biomass (46.14%) and reduced treatment costs than conventional approaches. Simultaneously, the lowest carbon migration to wastewater also meant the smallest carbon emission into water bodies. These findings demonstrate that this novel strategy can remove nutrients in raw PW effectively and produce high oil-rich biomass in a sustainable and environmentally-friendly manner.
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Affiliation(s)
- Qian Lu
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Hui Liu
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yan Sun
- Guangdong Institute of Eco-environmental Science & Technology, Guangzhou, Guangdong 510650, China
| | - Huankai Li
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
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Naseema Rasheed R, Pourbakhtiar A, Mehdizadeh Allaf M, Baharlooeian M, Rafiei N, Alishah Aratboni H, Morones-Ramirez JR, Winck FV. Microalgal co-cultivation -recent methods, trends in omic-studies, applications, and future challenges. Front Bioeng Biotechnol 2023; 11:1193424. [PMID: 37799812 PMCID: PMC10548143 DOI: 10.3389/fbioe.2023.1193424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 09/08/2023] [Indexed: 10/07/2023] Open
Abstract
The burgeoning human population has resulted in an augmented demand for raw materials and energy sources, which in turn has led to a deleterious environmental impact marked by elevated greenhouse gas (GHG) emissions, acidification of water bodies, and escalating global temperatures. Therefore, it is imperative that modern society develop sustainable technologies to avert future environmental degradation and generate alternative bioproduct-producing technologies. A promising approach to tackling this challenge involves utilizing natural microbial consortia or designing synthetic communities of microorganisms as a foundation to develop diverse and sustainable applications for bioproduct production, wastewater treatment, GHG emission reduction, energy crisis alleviation, and soil fertility enhancement. Microalgae, which are photosynthetic microorganisms that inhabit aquatic environments and exhibit a high capacity for CO2 fixation, are particularly appealing in this context. They can convert light energy and atmospheric CO2 or industrial flue gases into valuable biomass and organic chemicals, thereby contributing to GHG emission reduction. To date, most microalgae cultivation studies have focused on monoculture systems. However, maintaining a microalgae monoculture system can be challenging due to contamination by other microorganisms (e.g., yeasts, fungi, bacteria, and other microalgae species), which can lead to low productivity, culture collapse, and low-quality biomass. Co-culture systems, which produce robust microorganism consortia or communities, present a compelling strategy for addressing contamination problems. In recent years, research and development of innovative co-cultivation techniques have substantially increased. Nevertheless, many microalgae co-culturing technologies remain in the developmental phase and have yet to be scaled and commercialized. Accordingly, this review presents a thorough literature review of research conducted in the last few decades, exploring the advantages and disadvantages of microalgae co-cultivation systems that involve microalgae-bacteria, microalgae-fungi, and microalgae-microalgae/algae systems. The manuscript also addresses diverse uses of co-culture systems, and growing methods, and includes one of the most exciting research areas in co-culturing systems, which are omic studies that elucidate different interaction mechanisms among microbial communities. Finally, the manuscript discusses the economic viability, future challenges, and prospects of microalgal co-cultivation methods.
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Affiliation(s)
| | - Asma Pourbakhtiar
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | | | - Maedeh Baharlooeian
- Department of Marine Biology, Faculty of Marine Science and Oceanography, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran
| | - Nahid Rafiei
- Regulatory Systems Biology Lab, Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, Brazil
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca, Nuevo León, Mexico
| | - Hossein Alishah Aratboni
- Regulatory Systems Biology Lab, Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, Brazil
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca, Nuevo León, Mexico
| | - Jose Ruben Morones-Ramirez
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca, Nuevo León, Mexico
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Universidad Autonoma de Nuevo Leon (UANL), Av Universidad s/n, CD. Universitaria, San Nicolás de los Garza, Nuevo León, Mexico
| | - Flavia Vischi Winck
- Regulatory Systems Biology Lab, Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, Brazil
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Bisht B, Verma M, Sharma R, Chauhan P, Pant K, Kim H, Vlaskin MS, Kumar V. Development of yeast and microalgae consortium biofilm growth system for biofuel production. Heliyon 2023; 9:e19353. [PMID: 37662773 PMCID: PMC10472003 DOI: 10.1016/j.heliyon.2023.e19353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 08/09/2023] [Accepted: 08/20/2023] [Indexed: 09/05/2023] Open
Abstract
Background The current study aimed to develop a laboratory-scale biofilm photobioreactor system for biofuel production. Scope & Approach During the investigation, Jute was discovered to be the best, cheap, hairy, open-pored supporting material for biofilm formation. Microalgae & yeast consortium was used in this study for biofilm formation. Conclusion The study identified microalgae and yeast consortium as a promising choice and ideal partners for biofilm formation with the highest biomass yield (47.63 ± 0.93 g/m2), biomass productivity (4.39 ± 0.29 to 7.77 ± 0.05 g/m2/day) and lipid content (36%) over 28 days cultivation period, resulting in a more sustainable and environmentally benign fuel that could become a reality in the near future.
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Affiliation(s)
- Bhawna Bisht
- Algal Research and Bioenergy Laboratory, Department of Food Science and Technology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, 248002, India
| | - Monu Verma
- Algal Research and Bioenergy Laboratory, Department of Food Science and Technology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, 248002, India
- Water-Energy Nexus Laboratory, Department of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Rohit Sharma
- Department of Biotechnology Engineering, University Institute of Engineering, Chandigarh University, Chandigarh, India
| | - P.K. Chauhan
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, 173229, HP, India
| | - Kumud Pant
- Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, 248002, India
| | - Hyunook Kim
- Water-Energy Nexus Laboratory, Department of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Mikhail S. Vlaskin
- Joint Institute for High Temperatures of the Russian Academy of Sciences, 13/2 Izhorskaya St, Moscow, 125412, Russian Federation
| | - Vinod Kumar
- Algal Research and Bioenergy Laboratory, Department of Food Science and Technology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, 248002, India
- Peoples’ Friendship University of Russia (RUDN University), Moscow, 117198, Russian Federation
- Graphic Era Hill University, Dehradun, Uttarakhand 248002, India
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8
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Mishra A, Chhabra M. Co-culturing Chlorella vulgaris and Cystobasidium oligophagum JRC1 in the microbial fuel cell cathode for lipid biosynthesis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-29232-y. [PMID: 37610543 DOI: 10.1007/s11356-023-29232-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 08/04/2023] [Indexed: 08/24/2023]
Abstract
This study investigated the effect of co-culturing the photobiont and mycobiont in the microbial fuel cell (MFC) cathode on biomass production, lipid generation, and power output. Chlorella vulgaris provides oxygen and nutrients for the yeast Cystobasidium oligophagum JRC1, while the latter offers CO2 and quench oxygen for higher algal growth. The MFC with co-culture enhanced the lipid output of biomass by 28.33%, and the total yield and productivity were 1.47 ± 0.18 g/l and 0.123 g/l/day, respectively. Moreover, with co-culture, the open circuit voltage of 685 ± 11 mV was two times higher than algae alone. The specific growth rate (day-1) at the cathode was 0.367 ± 0.04 in co-culture and 0.288 ± 0.05 with C. vulgaris only. The power density of the system was 5.37 ± 0.21 mW/m2 with 75.88 ± 1.89% of COD removal. The co-culture thus proved beneficial at the MFC cathode in terms of total energy output as 11.5 ± 0.035 kWh/m3, which was 1.4-fold higher than algae alone.
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Affiliation(s)
- Akanksha Mishra
- Environmental Biotechnology Laboratory, Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur (IITJ), Jodhpur, Rajasthan, 342037, India
| | - Meenu Chhabra
- Environmental Biotechnology Laboratory, Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur (IITJ), Jodhpur, Rajasthan, 342037, India.
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Liu X, Ji B, Li A. Enhancing biolipid production and self-flocculation of Chlorella vulgaris by extracellular polymeric substances from granular sludge with CO 2 addition: Microscopic mechanism of microalgae-bacteria symbiosis. WATER RESEARCH 2023; 236:119960. [PMID: 37054610 DOI: 10.1016/j.watres.2023.119960] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 04/07/2023] [Accepted: 04/08/2023] [Indexed: 06/19/2023]
Abstract
Microalgae-bacteria symbiotic systems were known to have great potential for simultaneous water purification and resource recovery, among them, microalgae-bacteria biofilm/granules have attracted much attention due to its excellent effluent quality and convenient biomass recovery. However, the effect of bacteria with attached-growth mode on microalgae, which has more significance for bioresource utilization, has been historically ignored. Thus, this study attempted to explore the responses of C. vulgaris to extracellular polymeric substances (EPS) extracted from aerobic granular sludge (AGS), for enhancing the understanding of microscopic mechanism of attached microalgae-bacteria symbiosis. Results showed that the performance of C. vulgaris was effectively boosted with AGS-EPS treatment at 12-16 mg TOC/L, highest biomass production (0.32±0.01 g/L), lipid accumulation (44.33±5.69%) and flocculation ability (20.83±0.21%) were achieved. These phenotypes were promoted associated with bioactive microbial metabolites in AGS-EPS (N-acyl-homoserine lactones, humic acid and tryptophan). Furthermore, the addition of CO2 triggered carbon flow into the storage of lipids in C. vulgaris, and the synergistic effect of AGS-EPS and CO2 for improving microalgal flocculation ability was disclosed. Transcriptomic analysis further revealed up-regulation of synthesis pathways for fatty acid and triacylglycerol that was triggered by AGS-EPS. And within the context of CO2 addition, AGS-EPS substantially upregulated the expression of aromatic protein encoding genes, which further enhanced the self-flocculation of C. vulgaris. These findings provide novel insights into the microscopic mechanism of microalgae-bacteria symbiosis, and bring new enlightenment to wastewater valorization and carbon-neutral operation of wastewater treatment plants based on the symbiotic biofilm/biogranules system.
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Affiliation(s)
- Xiaolei Liu
- Key Laboratory of Water and Sediment Sciences of Ministry of Education/State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Bin Ji
- Department of Water and Wastewater Engineering, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Anjie Li
- Key Laboratory of Water and Sediment Sciences of Ministry of Education/State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China.
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10
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Mittermeier F, Bäumler M, Arulrajah P, García Lima JDJ, Hauke S, Stock A, Weuster‐Botz D. Artificial microbial consortia for bioproduction processes. Eng Life Sci 2023; 23:e2100152. [PMID: 36619879 PMCID: PMC9815086 DOI: 10.1002/elsc.202100152] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/03/2022] [Accepted: 03/24/2022] [Indexed: 01/11/2023] Open
Abstract
The application of artificial microbial consortia for biotechnological production processes is an emerging field in research as it offers great potential for the improvement of established as well as the development of novel processes. In this review, we summarize recent highlights in the usage of various microbial consortia for the production of, for example, platform chemicals, biofuels, or pharmaceutical compounds. It aims to demonstrate the great potential of co-cultures by employing different organisms and interaction mechanisms and exploiting their respective advantages. Bacteria and yeasts often offer a broad spectrum of possible products, fungi enable the utilization of complex lignocellulosic substrates via enzyme secretion and hydrolysis, and microalgae can feature their abilities to fixate CO2 through photosynthesis for other organisms as well as to form lipids as potential fuelstocks. However, the complexity of interactions between microbes require methods for observing population dynamics within the process and modern approaches such as modeling or automation for process development. After shortly discussing these interaction mechanisms, we aim to present a broad variety of successfully established co-culture processes to display the potential of artificial microbial consortia for the production of biotechnological products.
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Affiliation(s)
- Fabian Mittermeier
- Department of Energy and Process EngineeringTUM School of Engineering and DesignChair of Biochemical EngineeringTechnical University of MunichGarchingGermany
| | - Miriam Bäumler
- Department of Energy and Process EngineeringTUM School of Engineering and DesignChair of Biochemical EngineeringTechnical University of MunichGarchingGermany
| | - Prasika Arulrajah
- TUM School of Engineering and DesignTechnical University of MunichGarchingGermany
| | | | - Sebastian Hauke
- TUM School of Engineering and DesignTechnical University of MunichGarchingGermany
| | - Anna Stock
- TUM School of Engineering and DesignTechnical University of MunichGarchingGermany
| | - Dirk Weuster‐Botz
- Department of Energy and Process EngineeringTUM School of Engineering and DesignChair of Biochemical EngineeringTechnical University of MunichGarchingGermany
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11
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Casanova LM, Mendes LBB, Corrêa TDS, da Silva RB, Joao RR, Macrae A, Vermelho AB. Development of Microalgae Biodiesel: Current Status and Perspectives. Microorganisms 2022; 11:microorganisms11010034. [PMID: 36677325 PMCID: PMC9862501 DOI: 10.3390/microorganisms11010034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/07/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022] Open
Abstract
Microalgae are regarded as a promising source of biodiesel. In contrast with conventional crops currently used to produce commercial biodiesel, microalgae can be cultivated on non-arable land, besides having a higher growth rate and productivity. However, microalgal biodiesel is not yet regarded as economically competitive, compared to fossil fuels and crop-based biodiesel; therefore, it is not commercially produced. This review provides an overall perspective on technologies with the potential to increase efficiency and reduce the general costs of biodiesel production from microalgae. Opportunities and challenges for large-scale production are discussed. We present the current scenario of Brazilian research in the field and show a successful case in the research and development of microalgal biodiesel in open ponds by Petrobras. This publicly held Brazilian corporation has been investing in research in this sector for over a decade.
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Affiliation(s)
- Livia Marques Casanova
- Biotechnology Center-Bioinovar, Institute of Microbiology Paulo de Goes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, RJ, Brazil
- Correspondence: (L.M.C.); (A.B.V.)
| | | | - Thamiris de Souza Corrêa
- Biotechnology Center-Bioinovar, Institute of Microbiology Paulo de Goes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, RJ, Brazil
| | | | - Rafael Richard Joao
- Centro de Pesquisa Leopoldo Miguez de Mello, Petrobrás, Rio de Janeiro 21941-915, RJ, Brazil
| | - Andrew Macrae
- Sustainable Biotechnology and Microbial Bioinformatics Laboratory, Institute of Microbiology Paulo de Goes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, RJ, Brazil
| | - Alane Beatriz Vermelho
- Biotechnology Center-Bioinovar, Institute of Microbiology Paulo de Goes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21941-902, RJ, Brazil
- Correspondence: (L.M.C.); (A.B.V.)
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12
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Fungal Contamination in Microalgal Cultivation: Biological and Biotechnological Aspects of Fungi-Microalgae Interaction. J Fungi (Basel) 2022; 8:jof8101099. [PMID: 36294664 PMCID: PMC9605242 DOI: 10.3390/jof8101099] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/12/2022] [Accepted: 10/15/2022] [Indexed: 11/17/2022] Open
Abstract
In the last few decades, the increasing interest in microalgae as sources of new biomolecules and environmental remediators stimulated scientists’ investigations and industrial applications. Nowadays, microalgae are exploited in different fields such as cosmeceuticals, nutraceuticals and as human and animal food supplements. Microalgae can be grown using various cultivation systems depending on their final application. One of the main problems in microalgae cultivations is the possible presence of biological contaminants. Fungi, among the main contaminants in microalgal cultures, are able to influence the production and quality of biomass significantly. Here, we describe fungal contamination considering both shortcomings and benefits of fungi-microalgae interactions, highlighting the biological aspects of this interaction and the possible biotechnological applications.
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13
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Using gel microdroplets to develop a simple high-throughput screening platform for oleaginous microorganisms. J Biotechnol 2022; 358:46-54. [PMID: 36041515 DOI: 10.1016/j.jbiotec.2022.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/20/2022] [Accepted: 08/23/2022] [Indexed: 10/31/2022]
Abstract
The oleaginous yeast Lipomyces starkeyi is expected to be a new lipid source since this microorganism is capable of accumulating more than 85% lipid per dry cell weight. For effective utilization of oleaginous yeast, mutants with improved lipid production compared to the wild-type have been screened by methods such as single-cell sorting and Percoll density gradient centrifugation. Because these methods need to reculture all mutated oleaginous yeasts together in a flask, it is difficult to evaluate the growth of each individual mutant. Thus, screening for the slow-growing mutants with high-throughput has never been performed by conventional methods. In this study, we developed a high-throughput method using gel microdroplets (GMD). With this method, the growth and lipid production of L. starkeyi can be evaluated simultaneously. L. starkeyi grew in GMD and the size of these microcolonies was evaluated by scattered light. Finally, a mutant with a 10-fold delay in growth compared to the wild-type was obtained. Analysis of genetic information in this mutant could reveal valuable information about critical genes involved in the growth of these microorganisms, which could then be utilized further.
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14
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Li C, Sun Y, Ping W, Ge J, Lin Y. Screening of symbiotic Streptomyces spp. and optimization of microalgal growth in a microalgae-actinomycetes co-culture system. Prep Biochem Biotechnol 2022; 53:500-510. [PMID: 35981049 DOI: 10.1080/10826068.2022.2111581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Microalgal biodiesel as a substitute for fossil energy has attracted extensive attention. However, the high cost of microalgae cultivation limits the industrial production of microalgal biodiesel. The co-culture system may offer a means to increase microalgae's biomass production. In this study, Streptomyces strains were selected to construct and optimize co-culture systems with Monoraphidium sp. HDMA-11 and the algal cell biomass, lipid content, phycocyanin content, starch content, and fatty acid composition were determined. The results showed that Streptomyces nojiriensis significantly promoted Monoraphidium sp. HDMA-11 growth and a co-culture system were established. Orthogonal experiments showed that the Monoraphidium sp. HDMA-11 biomass was further increased when the initial culture pH was 7.5, the inoculation time of Streptomyces strain supernatants was 36 h, the volume ratio of microalgal actinomycetes was 1:1, and no additional acetic acid was added. Under these conditions, compared with monocultured Monoraphidium sp. HDMA-11, the cell biomass and lipid productivity of the co-culture system increased by 525.8 and 155.1%, respectively. These results suggest that S. nojiriensis supernatant potentially enhances microalgae biomass and may represent a new method to improve microalgae growth.
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Affiliation(s)
- Chang Li
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China.,Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin, China
| | - Ying Sun
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China.,Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin, China
| | - Wenxiang Ping
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China.,Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin, China
| | - Jingping Ge
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China.,Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin, China
| | - Yimeng Lin
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China.,Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin, China
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15
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Wang J, Singer SD, Souto BA, Asomaning J, Ullah A, Bressler DC, Chen G. Current progress in lipid-based biofuels: Feedstocks and production technologies. BIORESOURCE TECHNOLOGY 2022; 351:127020. [PMID: 35307524 DOI: 10.1016/j.biortech.2022.127020] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/11/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
The expanding use of fossil fuels has caused concern in terms of both energy security and environmental issues. Therefore, attempts have been made worldwide to promote the development of renewable energy sources, among which biofuel is especially attractive. Compared to other biofuels, lipid-derived biofuels have a higher energy density and better compatibility with existing infrastructure, and their performance can be readily improved by adjusting the chemical composition of lipid feedstocks. This review thus addresses the intrinsic interactions between lipid feedstocks and lipid-based biofuels, including biodiesel, and renewable equivalents to conventional gasoline, diesel, and jet fuel. Advancements in lipid-associated biofuel technology, as well as the properties and applicability of various lipid sources in terms of biofuel production, are also discussed. Furthermore, current progress in lipid production and profile optimization in the context of plant lipids, microbial lipids, and animal fats are presented to provide a wider context of lipid-based biofuel technology.
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Affiliation(s)
- Juli Wang
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Stacy D Singer
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, Alberta T1J 4B1, Canada
| | - Bernardo A Souto
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Justice Asomaning
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Aman Ullah
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - David C Bressler
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Guanqun Chen
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada.
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16
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Zorn S, Carvalho A, Bento H, Gambarato B, Pedro G, da Silva A, Gonçalves R, Da Rós P, Silva M. Use of Fungal Mycelium as Biosupport in the Formation of Lichen-Like Structure: Recovery of Algal Grown in Sugarcane Molasses for Lipid Accumulation and Balanced Fatty Acid Profile. MEMBRANES 2022; 12:membranes12030258. [PMID: 35323733 PMCID: PMC8949276 DOI: 10.3390/membranes12030258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/10/2022] [Accepted: 02/17/2022] [Indexed: 11/24/2022]
Abstract
In this study, a lichen-like structure was obtained through the production of a unique biomass, formed by algae cells of Scenedesmus obliquus adhering to the mycelium of filamentous fungal Mucor circinelloides. This structure was composed in two steps; in the first one, microalgal cells and spores were incubated separately, and in the second one, after 72 h of growth, isolated, mature mycelium was harvested and added to cell culture. For spores’ incubation, a culture medium containing only 2 g·L−1 of glucose and minerals was used. This culture medium, with low sugar content, provided a fungal biomass to the anchorage of microalgae cells. WC medium was used without and with sugarcane molasses supplementation for microalgae cells’ incubation. The lichen-type structure that was formed resulted in 99.7% efficiency in the recovery of microalgae cells and in up to 80% efficiency in the recovery of algae biomass in the lichen biomass composition. In addition, the resulting consortium attained a satisfactory lipid accumulation value (38.2 wt%) with a balanced fatty acid composition of 52.7% saturated plus monounsaturated fatty acids and 47.4% polyunsaturated fatty acids. Since fungal species are easy to recover, unlike microalgae, the lichen-like structure produced indicates an efficient low-cost bioremediation and harvesting alternative; in addition, it provides an oleaginous biomass for various industrial applications.
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Affiliation(s)
- Savienne Zorn
- Engineering School of Lorena, University of São Paulo, Lorena 12602-810, SP, Brazil; (A.C.); (G.P.); (A.d.S.); (P.D.R.); (M.S.)
- Correspondence:
| | - Ana Carvalho
- Engineering School of Lorena, University of São Paulo, Lorena 12602-810, SP, Brazil; (A.C.); (G.P.); (A.d.S.); (P.D.R.); (M.S.)
- Institute of Chemistry, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil;
| | - Heitor Bento
- Faculty of Pharmaceutical Sciences, São Paulo State University, Araraquara 14800-903, SP, Brazil;
| | - Bruno Gambarato
- Department of Engineering and Technology, University Center of Volta Redonda—UniFOA, Volta Redonda 27240-560, RJ, Brazil;
| | - Guilherme Pedro
- Engineering School of Lorena, University of São Paulo, Lorena 12602-810, SP, Brazil; (A.C.); (G.P.); (A.d.S.); (P.D.R.); (M.S.)
| | - Ana da Silva
- Engineering School of Lorena, University of São Paulo, Lorena 12602-810, SP, Brazil; (A.C.); (G.P.); (A.d.S.); (P.D.R.); (M.S.)
| | - Rhyan Gonçalves
- Institute of Chemistry, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil;
| | - Patrícia Da Rós
- Engineering School of Lorena, University of São Paulo, Lorena 12602-810, SP, Brazil; (A.C.); (G.P.); (A.d.S.); (P.D.R.); (M.S.)
| | - Messias Silva
- Engineering School of Lorena, University of São Paulo, Lorena 12602-810, SP, Brazil; (A.C.); (G.P.); (A.d.S.); (P.D.R.); (M.S.)
- Faculty of Engineering, Paulista State University Júlio de Mesquita Filho—UNESP, Guaratinguetá 12516-410, SP, Brazil
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17
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Controlling the Formation of Foams in Broth to Promote the Co-Production of Microbial Oil and Exopolysaccharide in Fed-Batch Fermentation. FERMENTATION 2022. [DOI: 10.3390/fermentation8020068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A large amount of foam is generated in the production of microbial oil and exopolysaccharide (EPS) by Sporidiobolus pararoseus JD-2, which causes low efficiency in fermentation. In this study, we aimed to reduce the negative effects of foams on the co-production of oil and EPS by controlling the formation of foams in broth. As we have found, the formation of foams is positively associated with cell growth state, air entrapment, and properties of broth. The efficient foam-control method of adding 0.03% (v/v) of the emulsified polyoxyethylene polyoxypropylene pentaerythritol ether (PPE) and feeding corn steep liquor (CSL) at 8–24 h with speed of 0.02 L/h considerably improved the fermentation performance of S. pararoseus JD-2, and significantly increased the oil and EPS concentrations by 8.7% and 12.9%, respectively. The biomass, oil, and EPS concentrations were further increased using a foam backflow device combined with adding 0.03% (v/v) of the emulsified PPE and feeding CSL at 8–24 h, which reached to 62.3 ± 1.8 g/L, 31.2 ± 0.8 g/L, and 10.9 ± 0.4 g/L, respectively. The effective strategy for controlling the formation of foams in fermentation broth reported here could be used as a technical reference for producing frothing products in fed-batch fermentation.
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18
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Chatterjee S, Venkata Mohan S. Fungal biorefinery for sustainable resource recovery from waste. BIORESOURCE TECHNOLOGY 2022; 345:126443. [PMID: 34852279 DOI: 10.1016/j.biortech.2021.126443] [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: 09/26/2021] [Revised: 11/21/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
Depletion of natural resources and negative impact of fossil fuels on environment are becoming a global concern. The concept of biorefinery is one of the alternative platforms for the production of biofuels and chemicals. Valorisation of biological resources through complete utilization of waste, reusing secondary products and generating energy to power the process are the key principles of biorefinery. Agricultural residues and biogenic municipal solid wastes are getting importance as a potential feedstock for the generation of bioproducts. This communication reviews and highlights the scope of yeast and fungi as a potent candidate for the synthesis of gamut of bioproducts in an integrated approach addressing sustainability and circular bioeconomy. It also provides a close view on importance of microbes in biorefinery, feedstock pretreatment strategies for renewable sugar production, cultivation systems and yeast and fungi based products. Integrated closed loop approach towards multiple product generation with zero waste discharge is also discussed.
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Affiliation(s)
- Sulogna Chatterjee
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 500007, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - S Venkata Mohan
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad, 500007, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India.
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19
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Dias C, Reis A, Santos JA, Gouveia L, Lopes da Silva T. Primary brewery wastewater as feedstock for the yeast Rhodosporidium toruloides and the microalga Tetradesmus obliquus mixed cultures with lipid production. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.12.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Ray A, Nayak M, Ghosh A. A review on co-culturing of microalgae: A greener strategy towards sustainable biofuels production. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 802:149765. [PMID: 34454141 DOI: 10.1016/j.scitotenv.2021.149765] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/15/2021] [Accepted: 08/15/2021] [Indexed: 05/27/2023]
Abstract
There is a growing global recognition that microalgae-based biofuel are environment-friendly and economically feasible options because they incur several advantages over traditional fossil fuels. Also, the microalgae can be manipulated for extraction of value-added compounds such as lipids (triacylglycerols), carbohydrates, polyunsaturated fatty acids, proteins, pigments, antioxidants, various antimicrobial compounds, etc. Recently, there is an increasing focus on the co-cultivation practices of microalgae with other microorganisms to enhance biomass and lipid productivity. In a co-cultivation strategy, microalgae grow symbiotically with other heterotrophic microbes such as bacteria, yeast, fungi, and other algae/microalgae. They exchange nutrients and metabolites; this helps to increase the productivity, therefore facilitating the commercialization of microalgal-based fuel. Co-cultivation also facilitates biomass harvesting and waste valorization, thereby help to build an algal biorefinery platform for bioenergy production along with multivariate high value bioproducts and simultaneous waste bioremediation. This article comprehensively reviews various microalgae cultivation practices utilizing co-culture approaches with other algae, fungi, bacteria, and yeast. The review mainly focuses on the impact of several binary culture strategies on biomass and lipid yield. The advantages and challenges associated with the procedure along with their respective cultivation modes have also been presented and discussed in detail.
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Affiliation(s)
- Ayusmita Ray
- P.K. Sinha Centre for Bioenergy and Renewables, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Manoranjan Nayak
- Biorefinery and Bioenergy Research Laboratory, Centre for Plant and Environmental Biotechnology, Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida 201313, India.
| | - Amit Ghosh
- P.K. Sinha Centre for Bioenergy and Renewables, Indian Institute of Technology Kharagpur, West Bengal 721302, India; School of Energy Science and Engineering, Indian Institute of Technology Kharagpur, West Bengal 721302, India.
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21
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Watsuntorn W, Chuengcharoenphanich N, Niltaya P, Butkumchote C, Theerachat M, Glinwong C, Qi W, Wang Z, Chulalaksananukul W. A novel oleaginous yeast Saccharomyces cerevisiae CU-TPD4 for lipid and biodiesel production. CHEMOSPHERE 2021; 280:130782. [PMID: 34162092 DOI: 10.1016/j.chemosphere.2021.130782] [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: 10/31/2020] [Revised: 04/22/2021] [Accepted: 04/28/2021] [Indexed: 06/08/2023]
Abstract
This study reports on the novel Saccharomyces cerevisiae CU-TPD4 that was isolated from coconut waste residues obtained from a coconut factory in Thailand. The CU-TPD4 isolate was confirmed to be a S. cerevisiae by molecular analysis and to be an oleaginous yeast with more than 20% (w/w) of the cell dry weight (CDW) present in the form of lipids. The lipid content and lipid yield of CU-TPD4 (52.96 ± 1.15% of CDW and 1.78 ± 0.06 g/L, respectively) under optimized growth conditions were much higher than those under normal growth conditions (22.65 ± 1.32% of CDW and 1.24 ± 0.12 g/L, respectively). The major fatty acids produced by CU-TPD4 were oleic (C18:1), palmitoleic (C16:1), stearic (C18:0), and palmitic (C16:0) acids. Mathematical estimation of the physical properties of the biodiesel obtained by transesterification of the extracted lipid suggested it was suitable as biodiesel with respect to the ASTM D6751 and EN 14214 international standards. Consequently, S. cerevisiae CU-TPD4 is expected to emerge as a promising alternative for biodiesel production.
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Affiliation(s)
- Wannapawn Watsuntorn
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Nuttha Chuengcharoenphanich
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Poompat Niltaya
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Cheryanus Butkumchote
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Monnat Theerachat
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chompunuch Glinwong
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Wei Qi
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Zhongming Wang
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Warawut Chulalaksananukul
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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22
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Mehariya S, Goswami RK, Karthikeysan OP, Verma P. Microalgae for high-value products: A way towards green nutraceutical and pharmaceutical compounds. CHEMOSPHERE 2021; 280:130553. [PMID: 33940454 DOI: 10.1016/j.chemosphere.2021.130553] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 04/02/2021] [Accepted: 04/07/2021] [Indexed: 06/12/2023]
Abstract
Microalgae is a renewable bioresource with the potential to replace the conventional fossil-based industrial production of organic chemicals and pharmaceuticals. Moreover, the microalgal biomass contains carotenoids, vitamins, and other biomolecules that are widely used as food supplements. However, the microalgal biomass production, their composition variations, energy-intensive harvesting methods, optimized bio-refinery routes, and lack of techno-economic analysis are the major bottleneck for the life-sized commercialization of this nascent bio-industry. This review discusses the microalgae-derived key bioactive compounds and their applications in different sectors for human health. Furthermore, this review proposes advanced strategies to enhance the productivity of bioactive compounds and highlight the key challenges associated with a safety issue for use of microalgae biomass. It also provides a detailed global scenario and market demand of microalgal bioproducts. In conclusion, this review will provide the concept of microalgal biorefinery to produce bioactive compounds at industrial scale platform for their application in the nutraceutical and pharmaceutical sector considering their current and future market trends.
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Affiliation(s)
- Sanjeet Mehariya
- Department of Engineering, University of Campania "Luigi Vanvitelli", Real Casa Dell'Annunziata, Via Roma 29, 81031, Aversa, CE, Italy; Department of Chemistry, Umeå University, 90187, Umeå, Sweden
| | - Rahul Kumar Goswami
- Bioprocess and Bioenergy Laboratory, Department of Microbiology, Central University of Rajasthan, NH-8, Bandarsindri, Kishangarh, Ajmer, 305817, Rajasthan, India
| | - Obulisamy Parthiba Karthikeysan
- Department of Engineering Technology, College of Technology, University of Houston, Houston, TX, USA; Civil and Environmental Engineering, South Dakota School of Mines and Technology, Rapid City, SD, USA.
| | - Pradeep Verma
- Bioprocess and Bioenergy Laboratory, Department of Microbiology, Central University of Rajasthan, NH-8, Bandarsindri, Kishangarh, Ajmer, 305817, Rajasthan, India.
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23
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Ma X, Zhang M, Gao Z, Gao M, Wu C, Wang Q. Microbial lipid production from banana straw hydrolysate and ethanol stillage. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:29357-29368. [PMID: 33555465 DOI: 10.1007/s11356-021-12644-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
In this study, the feasibility of banana straw (BS) hydrolysate as carbon source and reutilizing the pretreated liquor (PL) of BS in the Rhodosporidium toruloides fermentation was explored for the first time. When BS hydrolysate was used as the carbon source, total biomass concentration, lipid concentration, and lipid content under optimal conditions reached 15.52 g/L, 5.83 g/L, and 37.56% (w/w), respectively, which was similar to the results of pure sugar control. After detoxification, 50% PL can be returned to enzymatic hydrolysis and fermentation, and total biomass concentration, lipid concentration, and lipid content can reach 15.14 g/L, 5.59 g/L, and 36.91% (w/w). Then, ethanol stillage (ES) was used as the nitrogen source. The NaCl and glycerol of ES could promote lipid accumulation, reaching 7.52 g/L under optimized conditions. Finally, microbial lipid production from BS hydrolysate and ES without any additional nutrients was investigated, and the maximum total biomass concentration, lipid concentration, and lipid content were 13.55 g/L, 4.88 g/L, and 36.01% (w/w), respectively. Besides, the main compositions of microbial lipid produced were C16 and C18, and the biodiesel production from the microbial lipid could meet Chinese and US standard through theoretical numerical calculation.
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Affiliation(s)
- Xiaoyu Ma
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Min Zhang
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka, Japan
| | - Zhen Gao
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Ming Gao
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Chuanfu Wu
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Qunhui Wang
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China.
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China.
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Biorefinery-Based Approach to Exploit Mixed Cultures of Lipomyces starkeyi and Chloroidium saccharophilum for Single Cell Oil Production. ENERGIES 2021. [DOI: 10.3390/en14051340] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The mutualistic interactions between the oleaginous yeast Lipomyces starkeyi and the green microalga Chloroidium saccharophilum in mixed cultures were investigated to exploit possible synergistic effects. In fact, microalga could act as an oxygen generator for the yeast, while the yeast could provide carbon dioxide to microalga. The behavior of the two microorganisms alone and in mixed culture was studied in two synthetic media (YEG and BBM + G) before moving on to a real model represented by the hydrolysate of Arundo donax, used as low-cost feedstock, and previously subjected to steam explosion and enzymatic hydrolysis. The overall lipid content and lipid productivity obtained in the mixed culture of YEG, BBM + G and for the hydrolysate of Arundo donax were equal to 0.064, 0.064 and 0.081 glipid·gbiomass−1 and 30.14, 35.56 and 37.22 mglipid·L−1·day−1, respectively. The mixed cultures, in all cases, proved to be the most performing compared to the individual ones. In addition, this study provided new input for the integration of Single Cell Oil (SCO) production with agro-industrial feedstock, and the fatty acid distribution mainly consisting of stearic (C18:0) and oleic acid (C18:1) allows promising applications in biofuels, cosmetics, food additives and other products of industrial interest.
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Chawla K, Kaur S, Kaur R, Bhunia RK. Metabolic engineering of oleaginous yeasts to enhance single cell oil production. J FOOD PROCESS ENG 2020. [DOI: 10.1111/jfpe.13634] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kirti Chawla
- Plant Tissue Culture and Genetic Engineering National Agri‐Food Biotechnology Institute (NABI) Mohali Punjab India
| | - Sumandeep Kaur
- Department of Biotechnology, Sector‐25 Panjab University Chandigarh India
| | - Ranjeet Kaur
- Department of Genetics University of Delhi South Campus New Delhi India
| | - Rupam Kumar Bhunia
- Plant Tissue Culture and Genetic Engineering National Agri‐Food Biotechnology Institute (NABI) Mohali Punjab India
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26
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Ashtiani FR, Jalili H, Rahaie M, Sedighi M, Amrane A. Effect of mixed culture of yeast and microalgae on acetyl-CoA carboxylase and Glycerol-3-phosphate acyltransferase expression. J Biosci Bioeng 2020; 131:364-372. [PMID: 33341347 DOI: 10.1016/j.jbiosc.2020.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 11/09/2020] [Accepted: 11/23/2020] [Indexed: 10/22/2022]
Abstract
In recent years, some studies have reported that co-culturing green algae and yeast improve lipid and biomass concentration. In this study, a co-culture of the oleaginous yeast Rhodotorula glutinis and the microalgae Chlorella vulgaris was consequently conducted with inoculation of microalga and yeast in growth and stationary phases, respectively. For the first time, the expression of two pivotal enzymes in fatty acids synthetic pathway, acetyl-CoA carboxylase and Glycerol-3-phosphate acyltransferase, was evaluated. To evaluate the synergistic impacts of the mixed culture on the enzymes expression, several co-culture models were designed, including the use of different ratio of microalgae to yeast or the use of residual cell-free medium of yeast; a positive impact on enzymes overexpression was shown in the case of the co-culture of the two microorganisms, and when the remaining cell-free medium of yeast was added to the microalgal culture. The results of in vitro co-culture demonstrated increased 6- and 5-fold of nervonic acid (C24:1) and behenic acid (C22:0) concentrations, respectively, in 2:1 microalgae to yeast co-culture as compared to the monoculture batches. Addition of yeast residual cell-free medium in the 2:1 ratio to the microalgal culture enhanced 9 and 6 times nervonic acid (C24:1) and behenic acid (C22:0) amounts, respectively.
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Affiliation(s)
- Fatemeh-Rezaee Ashtiani
- Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14395-1561, Iran
| | - Hasan Jalili
- Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14395-1561, Iran.
| | - Mahdi Rahaie
- Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14395-1561, Iran
| | - Mahsa Sedighi
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran; Department of Nanomedicine, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Abdeltif Amrane
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
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27
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Deka D, Sonowal S, Chikkaputtaiah C, Velmurugan N. Symbiotic Associations: Key Factors That Determine Physiology and Lipid Accumulation in Oleaginous Microorganisms. Front Microbiol 2020; 11:555312. [PMID: 33391195 PMCID: PMC7772188 DOI: 10.3389/fmicb.2020.555312] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 11/16/2020] [Indexed: 01/14/2023] Open
Abstract
Symbiosis naturally provides an opportunity for microorganisms to live together by mutual or one-way benefit. In symbiotic relationships, the microorganisms usually overcome the limitations of being free-living. Understanding the symbiotic relationships of oleaginous microorganisms provides potential route for the sustainable production of microbial-based alternative fuels. So far, several studies have been conducted in oleaginous microorganisms for the production of alternative fuels. However, some oleaginous microorganisms require high quantity of nutrients for their growth, and high level of energy and chemicals for harvest and separation of lipid bodies. Symbiotic associations can successfully be applied to address these issues. Of symbiotic associations, lichens and selective species of oleaginous endosymbiotic mucoromycotina have received substantial interest as better models to study the evolutionary relationships as well as single-cell oil production. Construction of artificial lichen system composed of cyanobacteria and oleaginous yeast has been achieved for sustainable production of lipids with minimum energy demand. Recently, endosymbiotic mucoromycotina species have been recognized as potential sources for biofuels. Studies found that endohyphal bacterium influences lipid profiling in endosymbiotic mucoromycotina species. Studies on the genetic factors related to oleaginous characteristics of endosymbiotic mucoromycotina species are scarce. In this regard, this review summarizes the different forms of symbiotic associations of oleaginous microorganisms and how symbiotic relationships are impacting the lipid formation in microorganisms. Further, the review also highlights the importance of evolutionary relationships and benefits of co-culturing (artificial symbiosis) approaches for sustainable production of biofuels.
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Affiliation(s)
- Deepi Deka
- Biological Sciences Division, Branch Laboratory-Itanagar, CSIR-North East Institute of Science and Technology, Naharlagun, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-NEIST, Jorhat, India
| | - Shashanka Sonowal
- Biological Sciences Division, Branch Laboratory-Itanagar, CSIR-North East Institute of Science and Technology, Naharlagun, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-NEIST, Jorhat, India
| | - Channakeshavaiah Chikkaputtaiah
- Academy of Scientific and Innovative Research (AcSIR), CSIR-NEIST, Jorhat, India
- Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, India
| | - Natarajan Velmurugan
- Biological Sciences Division, Branch Laboratory-Itanagar, CSIR-North East Institute of Science and Technology, Naharlagun, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-NEIST, Jorhat, India
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Bolatkhan K, Sadvakasova AK, Zayadan BK, Kakimova AB, Sarsekeyeva FK, Kossalbayev BD, Bozieva AM, Alwasel S, Allakhverdiev SI. Prospects for the creation of a waste-free technology for wastewater treatment and utilization of carbon dioxide based on cyanobacteria for biodiesel production. J Biotechnol 2020; 324:162-170. [PMID: 33049355 DOI: 10.1016/j.jbiotec.2020.10.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/01/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023]
Abstract
Current fresh water and energy shortage determines the need to study the possibilities of using living objects in bioenergy and environmental purification technologies. The development of waste-free technologies allows waste recycling, which saves raw materials and energy, in turn, reducing waste generation. The effect of different carbon dioxide concentrations and wastewater from households on the growth of cyanobacteria was studied in order to determine their capabilities in the purification processes. It was found that the optimal CO2 concentration for the cultivation of cyanobacteria Cyanobacterium sp. IPPAS B-1200 and Desertifilum sp. IPPAS B-1220 was 10 %, and for the Cyanobacterium aponinum IPPAS B-1201 - 5%. It was revealed that the cultivation of the cyanobacterium Cyanobacterium sp. IPPASB-1200 on wastewater from the water storage reduces the concentration of organic pollutants and, accordingly, improves the physicochemical properties of water. The cleaning percentage for selected pollutants was 68-100 %. It was shown that the most optimal ratio of wastewater to nutrient media for cyanobacteria cultivation were 25:75 and 50:50. The lipid content (%/dry weight) in the biomass of the studied strains of cyanobacteria ranges from 15 to 22% after cultivation in wastewater. It was determined that the strains of Cyanobacterium genus were the most suitable for the production of biodiesel according to their fatty acids composition. It was determined that lipids were composed of only saturated and monounsaturated fatty acids. As a result of the studies, the optimal conditions for the growth of Cyanobacterium sp. IPPAS B-1200 were determined. This microorganism has a good potential to produce biodiesel as a producer of saturated and monounsaturated middle-chain-length fatty acids.
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Affiliation(s)
- Kenzhegul Bolatkhan
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan
| | - Assem K Sadvakasova
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan
| | - Bolatkhan K Zayadan
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan.
| | - Ardak B Kakimova
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan
| | - Fariza K Sarsekeyeva
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan
| | - Bekzhan D Kossalbayev
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan
| | - Ayshat M Bozieva
- Controlled Photobiosynthesis Laboratory, K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow, 127276, Russia
| | - Saleh Alwasel
- Zoology Department, College of Science, King Saud University, Riyadh, 12372, Saudi Arabia
| | - Suleyman I Allakhverdiev
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, 050038, Almaty, Kazakhstan; Controlled Photobiosynthesis Laboratory, K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow, 127276, Russia; Zoology Department, College of Science, King Saud University, Riyadh, 12372, Saudi Arabia.
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29
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Suastes-Rivas JK, Hernández-Altamirano R, Mena-Cervantes VY, Valdez-Ojeda R, Toledano-Thompson T, Tovar-Gálvez LR, López-Adrián S, Chairez I. Efficient production of fatty acid methyl esters by a wastewater-isolated microalgae-yeast co-culture. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:28490-28499. [PMID: 31845266 DOI: 10.1007/s11356-019-07286-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
Improving the competitiveness of biodiesel production by microalgae cultures requires the application of several strategies to obtain a high content of lipids, rapid biomass growth and a capacity to adapt to different kinds of environment, with the aim of using non-renewable nutrient sources. Therefore, the use of an individual indigenous microalgae strain or a consortium from natural or anthropogenic sites is now considered an alternative for biofuel production. This study examined the temporal behaviour of secondary metabolites produced by a native microalgae and yeast consortium isolated from wastewater, which was characterized by a genetic identification method based on the MiSeq system. The predominant species in the consortium was Scenedesmus obliquus, representing 68% of the organisms. In addition, the consortium contained a number of yeast species, including Candida pimensis (43%), Arthroderma vanbreuseghemii (23%), Diaporthe aspalathi/Diaporthe meridionalis (25%) and Hericium americanum (3%). This indigenous co-culture of microalgae and yeast showed biomass productivity of 0.06 g l-1 day-1, with a content of 30% (w/w) carbohydrates, 4% (w/w) proteins and 55% (w/w) lipids. Transesterification of the extracted lipids produced fatty acid methyl esters (FAMEs), which were analysed by gas chromatography (GC). The FAMEs included methyl pentadecanoate (1.90%), cis-10-pentanedecanoic acid methyl ester (1.36%), methyl palmitate (2.64%), methyl palmitoleate (21.36%), methyl oleate (64.95%), methyl linolenate (3.83%) and methyl linolelaidate (3.95%). This composition was relevant for biodiesel production based on the co-culture of indigenous microalgae and yeast consortia.
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Affiliation(s)
- Jessica K Suastes-Rivas
- Centro Mexicano para la Producción más Limpia, Instituto Politécnico Nacional, Av. Acueducto s/n, Col. La Laguna Ticomán, 07340, Mexico City, Mexico
- Laboratorio Nacional de Desarrollo y Aseguramiento de la Calidad de Biocombustibles (LaNDACBio), Instituto Politécnico Nacional, 07340, Mexico City, Mexico
| | - Raúl Hernández-Altamirano
- Centro Mexicano para la Producción más Limpia, Instituto Politécnico Nacional, Av. Acueducto s/n, Col. La Laguna Ticomán, 07340, Mexico City, Mexico.
- Laboratorio Nacional de Desarrollo y Aseguramiento de la Calidad de Biocombustibles (LaNDACBio), Instituto Politécnico Nacional, 07340, Mexico City, Mexico.
| | - Violeta Y Mena-Cervantes
- Centro Mexicano para la Producción más Limpia, Instituto Politécnico Nacional, Av. Acueducto s/n, Col. La Laguna Ticomán, 07340, Mexico City, Mexico
- Laboratorio Nacional de Desarrollo y Aseguramiento de la Calidad de Biocombustibles (LaNDACBio), Instituto Politécnico Nacional, 07340, Mexico City, Mexico
| | - Ruby Valdez-Ojeda
- Unidad de Energía Renovable, Centro de Investigación Científica de Yucatán A.C, Merida, Yucatán, Mexico
| | - Tanit Toledano-Thompson
- Unidad de Energía Renovable, Centro de Investigación Científica de Yucatán A.C, Merida, Yucatán, Mexico
| | - Luis R Tovar-Gálvez
- Instituto Politécnico Nacional, Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), 30 de junio de 1520 s/n, La Laguna Ticomán, 07340, Mexico City, Mexico
| | - Silvia López-Adrián
- Facultad de Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Merida, Yucatán, Mexico
| | - Isaac Chairez
- Departamento de Bioprocesos, Instituto Politécnico Nacional, Unidad Profesional Interdisciplinaria de Biotecnología, Av. Acueducto s/n, Col. La Laguna Ticomán, 07340, Mexico City, Mexico
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30
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Wang H, Hu B, Liu J, Qian H, Xu J, Zhang W. Co-production of lipid, exopolysaccharide and single-cell protein by Sporidiobolus pararoseus under ammonia nitrogen-limited conditions. Bioprocess Biosyst Eng 2020; 43:1403-1414. [DOI: 10.1007/s00449-020-02335-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 03/16/2020] [Indexed: 12/18/2022]
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Abstract
The need to reduce costs associated with the production of microalgae biomass has encouraged the coupling of process with wastewater treatment. Emerging pollutants in municipal, industrial, and agricultural wastewaters, ranging from pharmaceuticals to metals, endanger public health and natural resources. The use of microalgae has, in fact, been shown to be an efficient method in water-treatment processes and presents several advantages, such as carbon sequestration, and an opportunity to develop innovative bioproducts with applications to several industries. Using a bibliometric analysis software, SciMAT, a mapping of the research field was performed, analyzing the articles produced between 1981 and 2018, aiming to identifying the hot topics and trends studied until now. The application of microalgae on water bioremediation is an evolving research field that currently focuses on developing efficient and cost-effective treatments methods that also enable the production of add-value products, leading to a blue and circular economy.
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Asadi P, Rad HA, Qaderi F. Comparison of Chlorella vulgaris and Chlorella sorokiniana pa.91 in post treatment of dairy wastewater treatment plant effluents. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:29473-29489. [PMID: 31396874 DOI: 10.1007/s11356-019-06051-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 07/23/2019] [Indexed: 06/10/2023]
Abstract
Treatment of wastewater by using of microalgae is a cost-effective system. Chlorella sorokiniana pa.91 and Chlorella vulgaris were studied in this research. Chlorella sorokiniana pa.91 was isolated from the dairy wastewater. In this study, treated wastewaters in preliminary and secondary treatment units of dairy wastewater treatment plant were used as medium. Maximum growth of two species of microalgae was examined in these two mediums, and also, nutrient removal was studied. The performance of two species of microalgae was studied on laboratory scale at different temperatures and light intensities. The best observed temperatures for Chlorella vulgaris and Chlorella sorokiniana pa.91 were 25 and 28 °C, respectively, and the best observed performance for them was obtained at 7500 lx. The values of specific growth rate and biomass productivity in effluent of preliminary treatment unit for Chlorella vulgaris were 0.331 day-1 and 0.214 g L-l day-1, respectively, and for Chlorella sorokiniana pa.91 were 0.375 day-1 and 0.233 g L-l day-1, respectively. Also, these parameters for Chlorella vulgaris in effluent of secondary treatment unit were determined 0.359 day-1 and 0.166 g L-l day-1, respectively, and for Chlorella sorokiniana pa.91 were obtained 0.422 day-1 and 0.185 g L-l day-1, respectively. The removal efficiency of nitrate, ammonia, phosphate, and chemical oxygen demand for Chlorella sorokiniana pa.91 and Chlorella vulgaris in both of effluents was more than 80%. Based on the results, effluent of treatment plants can be a suitable microalgae growth medium, and the microalgae can be used as effective post treatment system.
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Affiliation(s)
- Pariya Asadi
- Faculty of Civil Engineering, Babol Noshirvani University of Technology, Babol, Iran
| | - Hassan Amini Rad
- Faculty of Civil Engineering, Babol Noshirvani University of Technology, Babol, Iran
| | - Farhad Qaderi
- Faculty of Civil Engineering, Babol Noshirvani University of Technology, Babol, Iran.
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