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Grivalský T, Lakatos GE, Štěrbová K, Manoel JAC, Beloša R, Divoká P, Kopp J, Kriechbaum R, Spadiut O, Zwirzitz A, Trenzinger K, Masojídek J. Poly-β-hydroxybutyrate production by Synechocystis MT_a24 in a raceway pond using urban wastewater. Appl Microbiol Biotechnol 2024; 108:44. [PMID: 38180554 DOI: 10.1007/s00253-023-12924-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/16/2023] [Accepted: 10/24/2023] [Indexed: 01/06/2024]
Abstract
Poly-β-hydroxybutyrate (PHB) is a potential source of biodegradable plastics that are environmentally friendly due to their complete degradation to water and carbon dioxide. This study aimed to investigate PHB production in the cyanobacterium Synechocystis sp. PCC6714 MT_a24 in an outdoor bioreactor using urban wastewater as a sole nutrient source. The culture was grown in a thin-layer raceway pond with a working volume of 100 L, reaching a biomass density of up to 3.5 g L-1 of cell dry weight (CDW). The maximum PHB content was found under nutrient-limiting conditions in the late stationary phase, reaching 23.7 ± 2.2% PHB per CDW. These data are one of the highest reported for photosynthetic production of PHB by cyanobacteria, moreover using urban wastewater in pilot-scale cultivation which multiplies the potential of sustainable cultivation approaches. Contamination by grazers (Poterioochromonas malhamensis) was managed by culturing Synechocystis in a highly alkaline environment (pH about 10.5) which did not significantly affect the culture growth. Furthermore, the strain MT_a24 showed significant wastewater nutrient remediation removing about 72% of nitrogen and 67% of phosphorus. These trials demonstrate that the photosynthetic production of PHB by Synechocystis sp. PCC6714 MT_a24 in the outdoor thin-layer bioreactor using urban wastewater and ambient carbon dioxide. It shows a promising approach for the cost-effective and sustainable production of biodegradable carbon-negative plastics. KEY POINTS: • High PHB production by cyanobacteria in outdoor raceway pond • Urban wastewater used as a sole source of nutrients for phototrophic growth • Potential for cost-effective and sustainable production of biodegradable plastics.
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Affiliation(s)
- Tomáš Grivalský
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic.
| | - Gergely Ernő Lakatos
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic
| | - Karolína Štěrbová
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic
| | - João Artur Câmara Manoel
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic
- Faculty of Science, University of South Bohemia, Branišovská 1645/31a, České Budějovice, Czech Republic
| | - Romana Beloša
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic
| | - Petra Divoká
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic
| | - Julian Kopp
- Technische Universität Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Getreidemarkt 9, Vienna, Austria
| | - Ricarda Kriechbaum
- Technische Universität Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Getreidemarkt 9, Vienna, Austria
| | - Oliver Spadiut
- Technische Universität Wien, Institute of Chemical, Environmental and Bioscience Engineering, Research Division Biochemical Engineering, Getreidemarkt 9, Vienna, Austria
| | - Alexander Zwirzitz
- Biosciences Research Group, University of Applied Sciences, Stelzhamerstraße 23, Wels, Austria
| | - Kevin Trenzinger
- Biosciences Research Group, University of Applied Sciences, Stelzhamerstraße 23, Wels, Austria
| | - Jiří Masojídek
- Institute of Microbiology of the Czech Academy of Sciences, Centre Algatech, Laboratory of Algal Biotechnology, Novohradská 237, Třeboň, Czech Republic
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2
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Costa P, Basaglia M, Casella S, Favaro L. Copolymers as a turning point for large scale polyhydroxyalkanoates applications. Int J Biol Macromol 2024; 275:133575. [PMID: 38960239 DOI: 10.1016/j.ijbiomac.2024.133575] [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: 01/20/2024] [Revised: 05/28/2024] [Accepted: 06/28/2024] [Indexed: 07/05/2024]
Abstract
Traditional plastics reshaped the society thanks to their brilliant properties and cut-price manufacturing costs. However, their protracted durability and limited recycling threaten the environment. Worthy alternatives seem to be polyhydroxyalkanoates, compostable biopolymers produced by several microbes. The most common 3-hydroxybutyrate homopolymer has limited applications calling for copolymers biosynthesis to enhance material properties. As a growing number of researches assess the discovery of novel comonomers, great endeavors are dedicated as well to copolymers production scale-up, where the choice of the microbial carbon source significantly affects the overall economic feasibility. Diving into novel metabolic pathways, engineered strains, and cutting-edge bioprocess strategies, this review aims to survey up-to-date publications about copolymers production, focusing primarily on precursors origins. Specifically, in the core of the review, copolymers precursors have been divided into three categories based on their economic value: the costliest structurally related ones, the structurally unrelated ones, and finally various low-cost waste streams. The combination of cheap biomasses, efficient pretreatment strategies, and robust microorganisms paths the way towards the development of versatile and circular polymers. Conceived to researchers and industries interested in tackling polyhydroxyalkanoates production, this review explores an angle often underestimated yet of prime importance: if PHAs copolymers offer advanced properties and sustainable end-of-life, the feedstock choice for their upstream becomes a major factor in the development of plastic substitutes.
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Affiliation(s)
- Paolo Costa
- Waste-to-Bioproducts Lab, Department of Agronomy, Food, Natural resources, Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università, 16, 35020 Legnaro, PD, Italy.
| | - Marina Basaglia
- Waste-to-Bioproducts Lab, Department of Agronomy, Food, Natural resources, Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università, 16, 35020 Legnaro, PD, Italy.
| | - Sergio Casella
- Waste-to-Bioproducts Lab, Department of Agronomy, Food, Natural resources, Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università, 16, 35020 Legnaro, PD, Italy.
| | - Lorenzo Favaro
- Waste-to-Bioproducts Lab, Department of Agronomy, Food, Natural resources, Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università, 16, 35020 Legnaro, PD, Italy; Department of Microbiology, Stellenbosch University, Private Bag X1, 7602 Matieland, South Africa.
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Al-Hammadi M, Güngörmüşler M. New insights into Chlorella vulgaris applications. Biotechnol Bioeng 2024; 121:1486-1502. [PMID: 38343183 DOI: 10.1002/bit.28666] [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: 08/23/2023] [Revised: 12/18/2023] [Accepted: 01/18/2024] [Indexed: 04/14/2024]
Abstract
Environmental pollution is a big challenge that has been faced by humans in contemporary life. In this context, fossil fuel, cement production, and plastic waste pose a direct threat to the environment and biodiversity. One of the prominent solutions is the use of renewable sources, and different organisms to valorize wastes into green energy and bioplastics such as polylactic acid. Chlorella vulgaris, a microalgae, is a promising candidate to resolve these issues due to its ease of cultivation, fast growth, carbon dioxide uptake, and oxygen production during its growth on wastewater along with biofuels, and other productions. Thus, in this article, we focused on the potential of Chlorella vulgaris to be used in wastewater treatment, biohydrogen, biocement, biopolymer, food additives, and preservation, biodiesel which is seen to be the most promising for industrial scale, and related biorefineries with the most recent applications with a brief review of Chlorella and polylactic acid market size to realize the technical/nontechnical reasons behind the cost and obstacles that hinder the industrial production for the mentioned applications. We believe that our findings are important for those who are interested in scientific/financial research about microalgae.
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Affiliation(s)
- Mohammed Al-Hammadi
- Division of Bioengineering, Graduate School, Izmir University of Economics, Izmir, Türkiye
| | - Mine Güngörmüşler
- Department of Genetics and Bioengineering, Faculty of Engineering, Izmir University of Economics, Izmir, Türkiye
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Asiri F. Polyhydroxyalkanoates for Sustainable Aquaculture: A Review of Recent Advancements, Challenges, and Future Directions. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2034-2058. [PMID: 38227436 DOI: 10.1021/acs.jafc.3c06488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Polyhydroxyalkanoates (PHA) are biodegradable biopolymers produced by prokaryotic microbes, which, at the same time, can be applied as single-cell proteins (SCPs), growing on renewable waste-derived substrates. These PHA polymers have gained increasing attention as a sustainable alternative to conventional plastics. One promising application of PHA and PHA-rich SCPs lies within the aquaculture food industry, where they hold potential as feed additives, biocontrol agents against diseases, and immunostimulants. Nevertheless, the cost of PHA production and application remains high, partly due to expensive substrates for cultivating PHA-accumulating SCPs, costly sterilization, energy-intensive SCPs harvesting techniques, and toxic PHA extraction and purification processes. This review summarizes the current state of PHA production and its application in aquaculture. The structure and classification of PHA, microbial sources, cultivation substrates, biosynthesis pathways, and the production challenges and solutions are discussed. Next, the potential of PHA application in aquaculture is explored, focusing on aquaculture challenges, common and innovative PHA-integrated farming practices, and PHA mechanisms in inhibiting pathogens, enhancing the immune system, and improving growth and gut health of various aquatic species. Finally, challenges and future research needs for PHA production and application in aquaculture are identified. Overall, this review paper provides a comprehensive overview of the potential of PHA in aquaculture and highlights the need for further research in this area.
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Affiliation(s)
- Fahad Asiri
- Environment & Life Sciences Research Center, Kuwait Institute for Scientific Research, P.O. Box 24885, Safat 13109, Kuwait
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Sudhakar MP, Maurya R, Mehariya S, Karthikeyan OP, Dharani G, Arunkumar K, Pereda SV, Hernández-González MC, Buschmann AH, Pugazhendhi A. Feasibility of bioplastic production using micro- and macroalgae- A review. ENVIRONMENTAL RESEARCH 2024; 240:117465. [PMID: 37879387 DOI: 10.1016/j.envres.2023.117465] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/03/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Plastic disposal and their degraded products in the environment are global concern due to its adverse effects and persistence in nature. To overcome plastic pollution and its impacts on environment, a sustainable bioplastic production using renewable feedstock's, such as algae, are envisioned. In this review, the production of polymer precursors such as polylactic acid, polyhydroxybutyrates, polyhydroxyalkanoates, agar, carrageenan and alginate from microalgae and macroalgae through direct conversion and fermentation routes are summarized and discussed. The direct conversion of algal biopolymers without any bioprocess (whole algal biomass used emphasizing zero waste discharge concept) favours economic feasibility. Whereas indirect method uses conversion of algal polymers to monomers after pretreatment followed by bioplastic precursor production by fermentation are emphasized. This review paper also outlines the current state of technological developments in the field of algae-based bioplastic, both in industry and in research, and highlights the creation of novel solutions for green bioplastic production employing algal polymers. Finally, the cost economics of the bioplastic production using algal biopolymers are clearly mentioned with future directions of next level bioplastic production. In this review study, the cost estimation was given at laboratory level bioplastic production using casting methods. Further development of bioplastics at pilot scale level may give clear economic feasibility of production at industry. Here, in this review, we emphasized the overview of algal biopolymers for different bioplastic product development and its economic value and also current industries involved in bioplastic production.
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Affiliation(s)
- Muthiyal Prabakaran Sudhakar
- Marine Biopolymers & Advanced Bioactive Materials Research Lab, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600 077, Tamil Nadu, India; Marine Biotechnology Division, Ocean Science and Technology for Islands, National Institute of Ocean Technology, Ministry of Earth Sciences, Govt. of India, Pallikaranai, Chennai, 600100, Tamil Nadu, India.
| | - Rahulkumar Maurya
- Coastal Algae Cultivation, Microbial Biofuels & Biochemicals, Advanced Biofuels Division, The Energy and Resources Institute, Navi Mumbai, 400 708, India
| | | | - Obulisamy Parthiba Karthikeyan
- Department of Engineering Technology, College of Technology, University of Houston, Houston, TX, USA; Institute of Bioresource and Agriculture, Hong Kong Baptist University, Kowloon Tong, Hong Kong, SAR, China; Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, Rapid City, SD, USA
| | - Gopal Dharani
- Marine Biotechnology Division, Ocean Science and Technology for Islands, National Institute of Ocean Technology, Ministry of Earth Sciences, Govt. of India, Pallikaranai, Chennai, 600100, Tamil Nadu, India
| | - Kulanthiyesu Arunkumar
- Microalgae Group-Phycoscience Laboratory, Department of Plant Science, School of Biological Sciences, Central University of Kerala, Periye, 671 320, Kasaragod, Kerala, India
| | - Sandra V Pereda
- Centro i-mar, CeBiB and Núcleo Milenio MASH, Universidad de Los Lagos, 5480000, Puerto Montt, Región de Los Lagos, Chile
| | - María C Hernández-González
- Centro i-mar, CeBiB and Núcleo Milenio MASH, Universidad de Los Lagos, 5480000, Puerto Montt, Región de Los Lagos, Chile
| | - Alejandro H Buschmann
- Centro i-mar, CeBiB and Núcleo Milenio MASH, Universidad de Los Lagos, 5480000, Puerto Montt, Región de Los Lagos, Chile
| | - Arivalagan Pugazhendhi
- School of Engineering, Lebanese American University, Byblos, Lebanon; Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, 603103, Tamil Nadu, India.
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Wang Y, Yang S, Liu J, Wang J, Xiao M, Liang Q, Ren X, Wang Y, Mou H, Sun H. Realization process of microalgal biorefinery: The optional approach toward carbon net-zero emission. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165546. [PMID: 37454852 DOI: 10.1016/j.scitotenv.2023.165546] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/12/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Increasing carbon dioxide (CO2) emission has already become a dire threat to the human race and Earth's ecology. Microalgae are recommended to be engineered as CO2 fixers in biorefinery, which play crucial roles in responding climate change and accelerating the transition to a sustainable future. This review sorted through each segment of microalgal biorefinery to explore the potential for its practical implementation and commercialization, offering valuable insights into research trends and identifies challenges that needed to be addressed in the development process. Firstly, the known mechanisms of microalgal photosynthetic CO2 fixation and the approaches for strain improvement were summarized. The significance of process regulation for strengthening fixation efficiency and augmenting competitiveness was emphasized, with a specific focus on CO2 and light optimization strategies. Thereafter, the massive potential of microalgal refineries for various bioresource production was discussed in detail, and the integration with contaminant reclamation was mentioned for economic and ecological benefits. Subsequently, economic and environmental impacts of microalgal biorefinery were evaluated via life cycle assessment (LCA) and techno-economic analysis (TEA) to lit up commercial feasibility. Finally, the current obstacles and future perspectives were discussed objectively to offer an impartial reference for future researchers and investors.
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Affiliation(s)
- Yuxin Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Shufang Yang
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Jin Liu
- Laboratory for Algae Biotechnology and Innovation, College of Engineering, Peking University, Beijing 100871, China
| | - Jia Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Mengshi Xiao
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Qingping Liang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Xinmiao Ren
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Ying Wang
- Marine Science research Institute of Shandong Province, Qingdao 266003, China.
| | - Haijin Mou
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Han Sun
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China.
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Kaewbai-Ngam J, Incharoensakdi A, Monshupanee T. Determination of Poly(3-hydroxybutyrate) Content in Cyanobacterium Synechocystis sp. PCC 6803 Using Acid Hydrolysis Followed by High-performance Liquid Chromatography. Bio Protoc 2023; 13:e4790. [PMID: 37638303 PMCID: PMC10450728 DOI: 10.21769/bioprotoc.4790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/13/2023] [Accepted: 06/19/2023] [Indexed: 08/29/2023] Open
Abstract
Various photoautotrophic cyanobacteria accumulate intracellular poly(3-hydroxybutyrate) (PHB) granules. This protocol can be used for determining the PHB contents of the cells as % PHB weight per dry cell weight using acid hydrolysis followed by high-performance liquid chromatography (HPLC). This HPLC analysis is rapid, with a running time of approximately 5 min per sample. The technique can accurately determine PHB concentrations in the range of 2-1,000 μg/mL PHB. However, this technique is not applicable for determining the contents of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) in cyanobacteria.
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Affiliation(s)
- Janine Kaewbai-Ngam
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Aran Incharoensakdi
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Academy of Science, Royal Society of Thailand, Bangkok, Thailand
| | - Tanakarn Monshupanee
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
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Samadhiya K, Ghosh A, Bhatnagar A, Bala K. Effect of acute vs chronic stress on Polyhydroxybutyrate production by indigenous cyanobacterium. Int J Biol Macromol 2023; 227:416-423. [PMID: 36563801 DOI: 10.1016/j.ijbiomac.2022.12.177] [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: 08/27/2022] [Revised: 12/01/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022]
Abstract
Fossil-based plastic has become a global-threat due to its high stability and transformation into more lethal forms such as micro plastics with time. An alternative should be found to combat this global enemy. Polyhydroxybutyrate or PHB can be such an alternative to plastic. Present study explores the synthesis of PHB in Neowollea manoromense, using two different cultivation-approaches: acute and chronic stress. This study has used 6 carbon sources and 3 different level of phosphate to study the accumulation of PHB along with lipid, carbohydrate, and proteins. Highest PHB in chronic-stress was achieved under glucose supplementation without phosphate at 21st day (156.5 ± 22.5 μg/mg), whereas in acute-stress, it was achieved under acetate without phosphate (91.0 ± 2.7 μg/mg). Despite higher accumulation in chronic-stress, high PHB productivity was achieved in acute-stress. Principal Component Analysis suggests that all the variables were positively correlated with each other. Here we first report PHB accumulation in Neowollea manoromense. This study highlights that acute-stress can be a powerful tool in establishment of a sustainable cyanobacteria based bio refinery for PHB production.
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Affiliation(s)
- Kanchan Samadhiya
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, 453552, India
| | - Atreyee Ghosh
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, 453552, India
| | - Amit Bhatnagar
- Department of Separation Science, LUT School of Engineering Science, LUT University, Finland
| | - Kiran Bala
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, 453552, India.
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Ray S, Jin JO, Choi I, Kim M. Recent trends of biotechnological production of polyhydroxyalkanoates from C1 carbon sources. Front Bioeng Biotechnol 2023; 10:907500. [PMID: 36686222 PMCID: PMC9852868 DOI: 10.3389/fbioe.2022.907500] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 12/06/2022] [Indexed: 01/09/2023] Open
Abstract
Growing concerns over the use of limited fossil fuels and their negative impacts on the ecological niches have facilitated the exploration of alternative routes. The use of conventional plastic material also negatively impacts the environment. One such green alternative is polyhydroxyalkanoates, which are biodegradable, biocompatible, and environmentally friendly. Recently, researchers have focused on the utilization of waste gases particularly those belonging to C1 sources derived directly from industries and anthropogenic activities, such as carbon dioxide, methane, and methanol as the substrate for polyhydroxyalkanoates production. Consequently, several microorganisms have been exploited to utilize waste gases for their growth and biopolymer accumulation. Methylotrophs such as Methylobacterium organophilum produced highest amount of PHA up to 88% using CH4 as the sole carbon source and 52-56% with CH3OH. On the other hand Cupriavidus necator, produced 71-81% of PHA by utilizing CO and CO2 as a substrate. The present review shows the potential of waste gas valorization as a promising solution for the sustainable production of polyhydroxyalkanoates. Key bottlenecks towards the usage of gaseous substrates obstructing their realization on a large scale and the possible technological solutions were also highlighted. Several strategies for PHA production using C1 gases through fermentation and metabolic engineering approaches are discussed. Microbes such as autotrophs, acetogens, and methanotrophs can produce PHA from CO2, CO, and CH4. Therefore, this article presents a vision of C1 gas into bioplastics are prospective strategies with promising potential application, and aspects related to the sustainability of the system.
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Affiliation(s)
- Subhasree Ray
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, South Korea,Department of Life Science, School of Basic Science and Research, Sharda University, Greater Noida, India,*Correspondence: Myunghee Kim, ; Subhasree Ray,
| | - Jun-O Jin
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea,Department of Food Science and Technology, Yeungnam University, Gyeongsan, South Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea,Department of Food Science and Technology, Yeungnam University, Gyeongsan, South Korea
| | - Myunghee Kim
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, South Korea,Department of Food Science and Technology, Yeungnam University, Gyeongsan, South Korea,*Correspondence: Myunghee Kim, ; Subhasree Ray,
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Asiri F, Chu KH. Valorization of agro-industrial wastes into polyhydroxyalkanoates-rich single-cell proteins to enable a circular waste-to-feed economy. CHEMOSPHERE 2022; 309:136660. [PMID: 36191769 DOI: 10.1016/j.chemosphere.2022.136660] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
Recovering and converting carbon and nutrients from waste streams into healthy single-cell proteins (SCPs) can be an effective strategy to address costly waste management and support the increasing animal feed demand for the global food supply. Recently, SCPs rich in polyhydroxybutyrate (PHB) have been identified as an effective biocontrol healthy feed to replace conventional antibiotics-supplemented aquaculture feed. PHB, an intercellular polymer of short-chain-length (SCL) hydroxy-fatty acids, is a common type of polyhydroxyalkanoates (PHA) that can be microbially produced from various organics, including agro-industrial wastes. The complex chemical properties of agro-industrial wastes might produce SCPs containing PHA with SCL and/or medium chain-length (MCL) hydroxy-fatty acids. However, the effects of MCL-PHA-containing SCPs on aqua species' health and disease-fighting ability remains poorly understood. This study investigated the feasibility of producing various PHA-containing SCPs from renewable agro-industrial wastes/wastewaters, the effectiveness of SCL- and MCL-PHA as biocontrol agents, and the effects of these PHA-rich SCPs on the growth and disease resistance of an aquaculture animal model, brine shrimp Artemia. Zobellella denitrificans ZD1 and Pseudomonas oleovorans were able to grow on different pure substrates and agro-industrial wastes/wastewaters to produce various SCL- and/or MCL-PHA-rich SCPs. Low doses of MCL-fatty acids (i.e., PHA intermediates) efficiently suppressed the growth of aquaculture pathogens. Moreover, MCL-PHA-rich SCPs served as great food/energy sources for Artemia and improved Artemia's ability to fight pathogens. This study offers a win-win approach to address the challenges of wastes/wastewater management and feed supply faced by the aquaculture industry.
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Affiliation(s)
- Fahad Asiri
- Zachry Department of Civil and Environmental Engineering, Texas A&M University, 3136 TAMU, College Station, TX 77843-3136, USA; Environment & Life Sciences Research Center, Kuwait Institute for Scientific Research, P.O. Box 24885, Safat, 13109, Kuwait
| | - Kung-Hui Chu
- Zachry Department of Civil and Environmental Engineering, Texas A&M University, 3136 TAMU, College Station, TX 77843-3136, USA.
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Yadav K, Vasistha S, Nawkarkar P, Kumar S, Rai MP. Algal biorefinery culminating multiple value-added products: recent advances, emerging trends, opportunities, and challenges. 3 Biotech 2022; 12:244. [PMID: 36033914 PMCID: PMC9402873 DOI: 10.1007/s13205-022-03288-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/29/2022] [Indexed: 11/01/2022] Open
Abstract
Algal biorefinery is rising as a prominent solution to economically fulfill the escalating global requirement for nutrition, feed, fuel, and medicines. In recent years, scientific productiveness associated with microalgae-based studies has elaborated in multiplied aspects, while translation to the commercial level continues to be missing. The present microalgal biorefinery has a challenge in long-term viability due to escalated market price of algal-mediated biofuels and bioproducts. Advancements are required in a few aspects like improvement in algae processing, energy investment, and cost analysis of microalgae biorefinery. Therefore, it is essential to recognize the modern work by understanding the knowledge gaps and hotspots driving business scale up. The microalgae biorefinery integrated with energy-based products, bioactive and green compounds, focusing on a circular bioeconomy, is urgently needed. A detailed investigation of techno-economic analysis (TEA) and life cycle assessment (LCA) is important to increase the market value of algal products. This review discusses the valorization of algal biomass for the value-added application that holds a sustainable approach and cost-competitive algal biorefinery. The current industries, policies, technology transfer trends, challenges, and future economic outlook are discussed. This study is an overview through scientometric investigation attempt to describe the research development contributing to this rising field.
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Affiliation(s)
- Kushi Yadav
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
| | - Shrasti Vasistha
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
| | - Prachi Nawkarkar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, 110067 India
| | - Shashi Kumar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, 110067 India
| | - Monika Prakash Rai
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
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12
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Calijuri ML, Silva TA, Magalhães IB, Pereira ASADP, Marangon BB, Assis LRD, Lorentz JF. Bioproducts from microalgae biomass: Technology, sustainability, challenges and opportunities. CHEMOSPHERE 2022; 305:135508. [PMID: 35777544 DOI: 10.1016/j.chemosphere.2022.135508] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/22/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
Microalgae are a potential feedstock for several bioproducts, mainly from its primary and secondary metabolites. Lipids can be converted in high-value polyunsaturated fatty acids (PUFA) such as omega-3, carbohydrates are potential biohydrogen (bioH2) sources, proteins can be converted into biopolymers (such as bioplastics) and pigments can achieve high concentrations of valuable carotenoids. This work comprehends the current practices for the production of such products from microalgae biomass, with insights on technical performance, environmental and economical sustainability. For each bioproduct, discussion includes insights on bioprocesses, productivity, commercialization, environmental impacts and major challenges. Opportunities for future research, such as wastewater cultivation, arise as environmentally attractive alternatives for sustainable production with high potential for resource recovery and valorization. Still, microalgae biotechnology stands out as an attractive topic for it research and market potential.
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Affiliation(s)
- Maria Lúcia Calijuri
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Thiago Abrantes Silva
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Iara Barbosa Magalhães
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Alexia Saleme Aona de Paula Pereira
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Bianca Barros Marangon
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Letícia Rodrigues de Assis
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Juliana Ferreira Lorentz
- Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
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13
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Lee SM, Cho DH, Jung HJ, Kim B, Kim SH, Bhatia SK, Gurav R, Jeon JM, Yoon JJ, Park JH, Park JH, Kim YG, Yang YH. Enhanced tolerance of Cupriavidus necator NCIMB 11599 to lignocellulosic derived inhibitors by inserting NAD salvage pathway genes. Bioprocess Biosyst Eng 2022; 45:1719-1729. [PMID: 36121506 DOI: 10.1007/s00449-022-02779-9] [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: 06/09/2022] [Accepted: 08/24/2022] [Indexed: 11/25/2022]
Abstract
Polyhydroxybutyrate (PHB) is a bio-based, biodegradable and biocompatible plastic that has the potential to replace petroleum-based plastics. Lignocellulosic biomass is a promising feedstock for industrial fermentation to produce bioproducts such as polyhydroxybutyrate (PHB). However, the pretreatment processes of lignocellulosic biomass lead to the generation of toxic byproducts, such as furfural, 5-HMF, vanillin, and acetate, which affect microbial growth and productivity. In this study, to reduce furfural toxicity during PHB production from lignocellulosic hydrolysates, we genetically engineered Cupriavidus necator NCIMB 11599, by inserting the nicotine amide salvage pathway genes pncB and nadE to increase the NAD(P)H pool. We found that the expression of pncB was the most effective in improving tolerance to inhibitors, cell growth, PHB production and sugar consumption rate. In addition, the engineered strain harboring pncB showed higher PHB production using lignocellulosic hydrolysates than the wild-type strain. Therefore, the application of NAD salvage pathway genes improves the tolerance of Cupriavidus necator to lignocellulosic-derived inhibitors and should be used to optimize PHB production.
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Affiliation(s)
- Sun Mi Lee
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Do-Hyun Cho
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Hee Ju Jung
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Byungchan Kim
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Su Hyun Kim
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Ranjit Gurav
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Jong-Min Jeon
- Green & Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), Cheonan-si, Republic of Korea
| | - Jeong-Jun Yoon
- Green & Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), Cheonan-si, Republic of Korea
| | - Jeong-Hoon Park
- Sustainable Technology and Wellness R&D Group, Korea Institute of Industrial Technology (KITECH), Jeju-si, Republic of Korea
| | - Jung-Ho Park
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Yun-Gon Kim
- Department of Chemical Engineering, Soongsil University, Seoul, Republic of Korea
| | - Yung-Hun Yang
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea.
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14
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Martínez-Ruiz M, Molina-Vázquez A, Santiesteban-Romero B, Reyes-Pardo H, Villaseñor-Zepeda KR, Meléndez-Sánchez ER, Araújo RG, Sosa-Hernández JE, Bilal M, Iqbal HMN, Parra-Saldivar R. Micro-algae assisted green bioremediation of water pollutants rich leachate and source products recovery. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119422. [PMID: 35533958 DOI: 10.1016/j.envpol.2022.119422] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/28/2022] [Accepted: 05/03/2022] [Indexed: 02/05/2023]
Abstract
Water management and treatment are high concern fields with several challenges due to increasing pollutants produced by human activity. It is imperative to find integral solutions and strategic measures with robust remediation. Landfill leachate production is a high concern emerging problem. Especially in low middle-income countries due to no proper local waste disposition regulation and non-engineered implemented methods to dispose of urban waste. These landfills can accumulate electronic waste and release heavy metals during the degradation process. Similar phenomena include expired pharmaceuticals like antibiotics. All these pollutants accumulated in leachate made it hard to dispose of or treat. Leachate produced in non-engineered landfills can permeate soils and reach groundwater, dragging different contaminants, including antibiotics and heavy metals, which eventually can affect the environment, changing soil properties and affecting wildlife. The presence of antibiotics in the environment is a problem with particular interest to solve, mainly to avoid the development of antibiotic-resistant microorganisms, which represent a future risk for human health with possible epidemic implications. It has been reported that the use of contaminated water with heavy metals to produce and grow vegetables is a risk for consumers, heavy metals effects in humans can include carcinogenic induction. This work explores the opportunities to use leachate as a source of nutrients to grow microalgae. Microalgae stand out as an alternative to bioremediate leachate, at the same time, microalgae produce high-value compounds that can be used in bioplastic, biofuels, and other industrial applications.
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Affiliation(s)
- Manuel Martínez-Ruiz
- Tecnologico de Monterrey, School of Engineering and Science, Monterrey, 64849, Mexico
| | | | | | - Humberto Reyes-Pardo
- Tecnologico de Monterrey, School of Engineering and Science, Monterrey, 64849, Mexico
| | | | | | - Rafael G Araújo
- Tecnologico de Monterrey, School of Engineering and Science, Monterrey, 64849, Mexico
| | | | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Science, Monterrey, 64849, Mexico.
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15
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Mastropetros SG, Pispas K, Zagklis D, Ali SS, Kornaros M. Biopolymers production from microalgae and cyanobacteria cultivated in wastewater: Recent advances. Biotechnol Adv 2022; 60:107999. [DOI: 10.1016/j.biotechadv.2022.107999] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/26/2022] [Accepted: 05/31/2022] [Indexed: 11/02/2022]
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16
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Dang BT, Bui XT, Tran DPH, Hao Ngo H, Nghiem LD, Hoang TKD, Nguyen PT, Nguyen HH, Vo TKQ, Lin C, Yi Andrew Lin K, Varjani S. Current application of algae derivatives for bioplastic production: A review. BIORESOURCE TECHNOLOGY 2022; 347:126698. [PMID: 35026424 DOI: 10.1016/j.biortech.2022.126698] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/31/2021] [Accepted: 01/06/2022] [Indexed: 05/18/2023]
Abstract
Improper use of conventional plastics poses challenges for sustainable energy and environmental protection. Algal derivatives have been considered as a potential renewable biomass source for bioplastic production. Algae derivatives include a multitude of valuable substances, especially starch from microalgae, short-chain length polyhydroxyalkanoates (PHAs) from cyanobacteria, polysaccharides from marine and freshwater macroalgae. The algae derivatives have the potential to be used as key ingredients for bioplastic production, such as starch and PHAs or only as an additive such as sulfated polysaccharides. The presence of distinctive functional groups in algae, such as carboxyl, hydroxyl, and sulfate, can be manipulated or tailored to provide desirable bioplastic quality, especially for food, pharmaceutical, and medical packaging. Standardizing strains, growing conditions, harvesting and extracting algae in an environmentally friendly manner would be a promising strategy for pollution control and bioplastic production.
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Affiliation(s)
- Bao-Trong Dang
- HUTECH University, 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam
| | - Xuan-Thanh Bui
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet street, district 10, Ho Chi Minh City 700000, Viet Nam.
| | - Duyen P H Tran
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam
| | - Huu Hao Ngo
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS 2007, Australia
| | - Long D Nghiem
- School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS 2007, Australia
| | - Thi-Khanh-Dieu Hoang
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam
| | - Phuong-Thao Nguyen
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Viet Nam National University Ho Chi Minh (VNUHCM), Thu Duc city, Ho Chi Minh City 700000, Viet Nam; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet street, district 10, Ho Chi Minh City 700000, Viet Nam
| | - Hai H Nguyen
- Institute of Environmental Sciences, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Thi-Kim-Quyen Vo
- Faculty of Environment - Natural Resources and Climate Change, Ho Chi Minh City University of Food Industry (HUFI), 140 Le Trong Tan street, Tay Thanh ward, Tan Phu district, Ho Chi Minh city 700000, Vietnam
| | - Chitsan Lin
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Kun Yi Andrew Lin
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar 382010, Gujarat, India
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17
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Testa RL, Delpino C, Estrada V, Diaz MS. Development of in silico strategies to photoautotrophically produce poly-β-hydroxybutyrate (PHB) by cyanobacteria. ALGAL RES 2022. [DOI: 10.1016/j.algal.2021.102621] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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18
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Newly isolated native microalgal strains producing polyhydroxybutyrate and energy storage precursors simultaneously: Targeting microalgal biorefinery. ALGAL RES 2022. [DOI: 10.1016/j.algal.2021.102625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Samadhiya K, Sangtani R, Nogueira R, Bala K. Insightful Advancement and Opportunities for Microbial Bioplastic Production. Front Microbiol 2022; 12:674864. [PMID: 35058887 PMCID: PMC8763809 DOI: 10.3389/fmicb.2021.674864] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 11/11/2021] [Indexed: 12/28/2022] Open
Abstract
Impetuous urbanization and population growth are driving increased demand for plastics to formulate impeccable industrial and biomedical commodities. The everlasting nature and excruciating waste management of petroleum-based plastics have catered to numerous challenges for the environment. However, just implementing various end-of-life management techniques for assimilation and recycling plastics is not a comprehensive remedy; instead, the extensive reliance on finite resources needs to be reduced for sustainable production and plastic product utilization. Microorganisms, such as bacteria and algae, are explored substantially for their bioplastic production repertoire, thus replacing fossil-based plastics sooner or later. Nevertheless, the utilization of pure microbial cultures has led to various operational and economical complications, opening the ventures for the usage of mixed microbial cultures (MMCs) consisting of bacteria and algae for sustainable production of bioplastic. The current review is primarily focuses on elaborating the bioplastic production capabilities of different bacterial and algal strains, followed by discussing the quintessence of MMCs. The present state-of-the-art of bioplastic, different types of bacterial bioplastic, microalgal biocomposites, operational factors influencing the quality and quantity of bioplastic precursors, embracing the potential of bacteria-algae consortia, and the current global status quo of bioplastic production has been summarized extensively.
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Affiliation(s)
- Kanchan Samadhiya
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
| | - Rimjhim Sangtani
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
| | - Regina Nogueira
- Institute for Sanitary Engineering and Waste Management, Leibniz Universitaet Hannover, Hanover, Germany
| | - Kiran Bala
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
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20
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Simonazzi M, Pezzolesi L, Galletti P, Gualandi C, Pistocchi R, De Marco N, Paganelli Z, Samorì C. Production of polyhydroxybutyrate by the cyanobacterium cf. Anabaena sp. Int J Biol Macromol 2021; 191:92-99. [PMID: 34536471 DOI: 10.1016/j.ijbiomac.2021.09.054] [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: 06/16/2021] [Revised: 08/30/2021] [Accepted: 09/10/2021] [Indexed: 10/20/2022]
Abstract
Polyhydroxybutyrate (PHB) production by the cyanobacterium cf. Anabaena sp. was here studied by varying the medium composition and the carbon source used to induce mixotrophic growth conditions. The highest PHB productivity (0.06 gPHB gbiomass-1 d-1) was observed when cultivating cf. Anabaena sp. in phosphorus-free medium and in the presence of sodium acetate (5.0 g L-1 concentration), after an incubation period of 7 days. A content of 40% of PHB on biomass, a dry weight of 0.1 g L-1, and a photosynthetic efficiency equal to the control were obtained. The cyanobacterium was then grown on a larger scale (10 L) to evaluate the characteristics of the produced PHB in relation to the main composition of the biomass (the content of proteins, polysaccharides, and lipids): after an incubation period of 7 days, a content of 6% of lipids (52% of which as unsaturated fatty acids with 18 carbon atoms), 12% of polysaccharides, 28% of proteins, and 46% of PHB was reached. The extracted PHB had a molecular weight of 3 MDa and a PDI of 1.7. These promising results demonstrated that cf. Anabaena sp. can be included among the Cyanobacteria species able to produce polyhydroxyalkanoates (PHAs) either in photoautotrophic or mixotrophic conditions, especially when it is grown under phosphorus-free conditions.
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Affiliation(s)
- Mara Simonazzi
- Dipartimento di Scienze Biologiche, Geologiche ed Ambientali (BiGeA), Università di Bologna, via S. Alberto 163, Ravenna, Italy
| | - Laura Pezzolesi
- Dipartimento di Scienze Biologiche, Geologiche ed Ambientali (BiGeA), Università di Bologna, via S. Alberto 163, Ravenna, Italy; Centro Interdipartimentale di Ricerca Industriale Fonti Rinnovabili, Ambiente, Mare ed Energia (CIRI-FRAME), Università di Bologna, via S. Alberto 163, Ravenna, Italy
| | - Paola Galletti
- Centro Interdipartimentale di Ricerca Industriale Fonti Rinnovabili, Ambiente, Mare ed Energia (CIRI-FRAME), Università di Bologna, via S. Alberto 163, Ravenna, Italy; Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, via S. Alberto 163, Ravenna, Italy
| | - Chiara Gualandi
- Centro Interdipartimentale di Ricerca Industriale Fonti Rinnovabili, Ambiente, Mare ed Energia (CIRI-FRAME), Università di Bologna, via S. Alberto 163, Ravenna, Italy; Centro Interdipartimentale di Ricerca Industriale (CIRI) Meccanica Avanzata e Materiali (CIRI-MAM) Università di Bologna, Viale Risorgimento 2, Bologna, Italy
| | - Rossella Pistocchi
- Dipartimento di Scienze Biologiche, Geologiche ed Ambientali (BiGeA), Università di Bologna, via S. Alberto 163, Ravenna, Italy; Centro Interdipartimentale di Ricerca Industriale Fonti Rinnovabili, Ambiente, Mare ed Energia (CIRI-FRAME), Università di Bologna, via S. Alberto 163, Ravenna, Italy
| | - Nicole De Marco
- Dipartimento di Scienze Biologiche, Geologiche ed Ambientali (BiGeA), Università di Bologna, via S. Alberto 163, Ravenna, Italy
| | - Zoe Paganelli
- Dipartimento di Scienze Biologiche, Geologiche ed Ambientali (BiGeA), Università di Bologna, via S. Alberto 163, Ravenna, Italy
| | - Chiara Samorì
- Centro Interdipartimentale di Ricerca Industriale Fonti Rinnovabili, Ambiente, Mare ed Energia (CIRI-FRAME), Università di Bologna, via S. Alberto 163, Ravenna, Italy; Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, via S. Alberto 163, Ravenna, Italy.
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21
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Lee J, Park HJ, Moon M, Lee JS, Min K. Recent progress and challenges in microbial polyhydroxybutyrate (PHB) production from CO 2 as a sustainable feedstock: A state-of-the-art review. BIORESOURCE TECHNOLOGY 2021; 339:125616. [PMID: 34304096 DOI: 10.1016/j.biortech.2021.125616] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 05/05/2023]
Abstract
The recalcitrance of petroleum-based plastics causes severe environmental problems and has accelerated research into production of biodegradable polymers from inexpensive and sustainable feedstocks. Various microorganisms are capable of producing Polyhydroxybutyrate (PHB), a representative biodegradable polymer, under nutrient-limited conditions, among which CO2-utilizing microorganisms are of primary interest. Herein, we discuss recent progress on bacterial strains including proteobacteria, purple non-sulfur bacteria, and cyanobacteria in terms of CO2-containing carbon sources, PHB-production capability, and genetic modification. In addition, this review introduces recent technical approaches used to improve PHB production from CO2 such as two-stage bioprocesses and bioelectrochemical systems. Challenges and future perspectives for the development of economically feasible PHB production are also discussed. Finally, this review might provide insights into the construction of a closed-carbon-loop to cope with climate change.
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Affiliation(s)
- Jiye Lee
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Hyun June Park
- Department of Biotechnology, Duksung Women's University, Seoul 01369, Republic of Korea
| | - Myounghoon Moon
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Jin-Suk Lee
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
| | - Kyoungseon Min
- Gwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea.
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22
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Chong JWR, Yew GY, Khoo KS, Ho SH, Show PL. Recent advances on food waste pretreatment technology via microalgae for source of polyhydroxyalkanoates. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 293:112782. [PMID: 34052610 DOI: 10.1016/j.jenvman.2021.112782] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 05/07/2021] [Accepted: 05/12/2021] [Indexed: 06/12/2023]
Abstract
Polyhydroxyalkanoates (PHAs) are biodegradable and biocompatible polyester which are biosynthesized from the intracellular cells of microalgae through the cultivation of organic food waste medium. Before cultivation process, food waste must undergo several pre-treatment techniques such as chemical, biological, physical or mechanical in order to solubilize complex food waste matter into simpler micro- and macronutrients in which allow bio-valorisation of microalgae and food waste compound during the cultivation process. This work reviews four microalgae genera namely Chlamydomonas, Chlorella, Spirulina, and Botryococcus, are selected as suitable species due to rapid growth rate, minimal nutrient requirement, greater adaptability and flexibility prior to lower the overall production cost and maximized the production of PHAs. This study also focuses on the different mode of cultivation for the accumulation of PHAs followed by cell wall destabilization, extraction, and purification. Nonetheless, this review provides future insights into enhancing the productivity of bioplastic derived from microalgae towards low-cost, large-scale, and higher productivity of PHAs.
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Affiliation(s)
- Jun Wei Roy Chong
- State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, P.R. China; Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Guo Yong Yew
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Kuan Shiong Khoo
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Shih-Hsin Ho
- State Key Laboratory of Urban Water Resources and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, P.R. China
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.
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Madadi R, Maljaee H, Serafim LS, Ventura SPM. Microalgae as Contributors to Produce Biopolymers. Mar Drugs 2021; 19:md19080466. [PMID: 34436305 PMCID: PMC8398342 DOI: 10.3390/md19080466] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/09/2021] [Accepted: 08/16/2021] [Indexed: 12/15/2022] Open
Abstract
Biopolymers are very favorable materials produced by living organisms, with interesting properties such as biodegradability, renewability, and biocompatibility. Biopolymers have been recently considered to compete with fossil-based polymeric materials, which rase several environmental concerns. Biobased plastics are receiving growing interest for many applications including electronics, medical devices, food packaging, and energy. Biopolymers can be produced from biological sources such as plants, animals, agricultural wastes, and microbes. Studies suggest that microalgae and cyanobacteria are two of the promising sources of polyhydroxyalkanoates (PHAs), cellulose, carbohydrates (particularly starch), and proteins, as the major components of microalgae (and of certain cyanobacteria) for producing bioplastics. This review aims to summarize the potential of microalgal PHAs, polysaccharides, and proteins for bioplastic production. The findings of this review give insight into current knowledge and future direction in microalgal-based bioplastic production considering a circular economy approach. The current review is divided into three main topics, namely (i) the analysis of the main types and properties of bioplastic monomers, blends, and composites; (ii) the cultivation process to optimize the microalgae growth and accumulation of important biobased compounds to produce bioplastics; and (iii) a critical analysis of the future perspectives on the field.
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Affiliation(s)
- Rozita Madadi
- Department of Agricultural Biotechnology, University College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran;
| | - Hamid Maljaee
- CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (H.M.); (L.S.S.)
| | - Luísa S. Serafim
- CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (H.M.); (L.S.S.)
- Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Sónia P. M. Ventura
- CICECO—Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (H.M.); (L.S.S.)
- Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
- Correspondence:
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Bhola S, Arora K, Kulshrestha S, Mehariya S, Bhatia RK, Kaur P, Kumar P. Established and Emerging Producers of PHA: Redefining the Possibility. Appl Biochem Biotechnol 2021; 193:3812-3854. [PMID: 34347250 DOI: 10.1007/s12010-021-03626-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 07/12/2021] [Indexed: 12/25/2022]
Abstract
The polyhydroxyalkanoate was discovered almost around a century ago. Still, all the efforts to replace the traditional non-biodegradable plastic with much more environmentally friendly alternative are not enough. While the petroleum-based plastic is like a parasite, taking over the planet rapidly and without any feasible cure, its perennial presence has made the ocean a floating island of life-threatening debris and has flooded the landfills with toxic towering mountains. It demands for an immediate solution; most resembling answer would be the polyhydroxyalkanoates. The production cost is yet one of the significant challenges that various corporate is facing to replace the petroleum-based plastic. To deal with the economic constrain better strain, better practices, and a better market can be adopted for superior results. It demands for systems for polyhydroxyalkanoate production namely bacteria, yeast, microalgae, and transgenic plants. Solely strains affect more than 40% of overall production cost, playing a significant role in both upstream and downstream processes. The highly modifiable nature of the biopolymer provides the opportunity to replace the petroleum plastic in almost all sectors from food packaging to medical industry. The review will highlight the recent advancements and techno-economic analysis of current commercial models of polyhydroxyalkanoate production. Bio-compatibility and the biodegradability perks to be utilized highly efficient in the medical applications gives ample reason to tilt the scale in the favor of the polyhydroxyalkanoate as the new conventional and sustainable plastic.
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Affiliation(s)
- Shivam Bhola
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Kanika Arora
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Saurabh Kulshrestha
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | | | - Ravi Kant Bhatia
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, 171005, India
| | - Parneet Kaur
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Pradeep Kumar
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India.
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25
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Tanvir RU, Zhang J, Canter T, Chen D, Lu J, Hu Z. Harnessing Solar Energy using Phototrophic Microorganisms: A Sustainable Pathway to Bioenergy, Biomaterials, and Environmental Solutions. RENEWABLE & SUSTAINABLE ENERGY REVIEWS 2021; 146:1-111181. [PMID: 34526853 PMCID: PMC8437043 DOI: 10.1016/j.rser.2021.111181] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Phototrophic microorganisms (microbial phototrophs) use light as an energy source to carry out various metabolic processes producing biomaterials and bioenergy and supporting their own growth. Among them, microalgae and cyanobacteria have been utilized extensively for bioenergy, biomaterials, and environmental applications. Their superior photosynthetic efficiency, lipid content, and shorter cultivation time compared to terrestrial biomass make them more suitable for efficient production of bioenergy and biomaterials. Other phototrophic microorganisms, especially anoxygenic phototrophs, demonstrated the ability to survive and flourish while producing renewable energy and high-value products under harsh environmental conditions. This review presents a comprehensive overview of microbial phototrophs on their (i) production of bioenergy and biomaterials, (ii) emerging and innovative applications for environmental conservation, mitigation, and remediation, and (iii) physical, genetic, and metabolic pathways to improve light harvesting and biomass/biofuel/biomaterial production. Both physical (e.g., incremental irradiation) and genetic approaches (e.g., truncated antenna) are implemented to increase the light-harvesting efficiency. Increases in biomass yield and metabolic products are possible through the manipulation of metabolic pathways and selection of a proper strain under optimal cultivation conditions and downstream processing, including harvesting, extraction, and purification. Finally, the current barriers in harnessing solar energy using phototrophic microorganisms are presented, and future research perspectives are discussed, such as integrating phototrophic microorganisms with emerging technologies.
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Affiliation(s)
- Rahamat Ullah Tanvir
- Department of Civil and Environmental Engineering, University of Missouri, Columbia, Missouri, 65211, USA
| | - Jianying Zhang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China
| | - Timothy Canter
- Department of Civil and Environmental Engineering, University of Missouri, Columbia, Missouri, 65211, USA
| | - Dick Chen
- Dual Enrollment Program, University of Missouri, Columbia, Missouri, 65211, USA
| | - Jingrang Lu
- Office of Research and Development, United States Environmental Protection Agency (EPA), Cincinnati, Ohio, 45268, USA
| | - Zhiqiang Hu
- Department of Civil and Environmental Engineering, University of Missouri, Columbia, Missouri, 65211, USA
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26
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Ángeles R, Arnaiz E, Gutiérrez J, Muñoz R, Lebrero R. Biogas-based production of glycogen by Nostoc muscorum: Assessing the potential of transforming CO 2 into value added products. CHEMOSPHERE 2021; 275:129885. [PMID: 33636520 DOI: 10.1016/j.chemosphere.2021.129885] [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: 08/30/2020] [Revised: 01/08/2021] [Accepted: 02/02/2021] [Indexed: 06/12/2023]
Abstract
The potential of the filamentous N2-fixing cyanobacterium Nostoc muscorum for CO2 capture from high-loaded streams (i.e. flue gas or biogas) combined with the accumulation of glycogen (GL) and polyhydroxybutyrate (PHB), was evaluated under nutrient-sufficient and nutrient-limited conditions. N. muscorum was able to grow under CO2 contents from 0.03 up to 30% v/v, thus tolerating CO2 concentrations similar to those found in raw biogas or flue-gas, with maximum CO2-fixation rates of 191.9 ± 46 g m-3 d-1 at a biomass concentration of 733.3 ± 207.4 mg TSS L-1. Despite N. muscorum was inhibited by the presence of H2S, the co-inoculation with activated sludge resulted in both CO2 and H2S depletion. Moreover, N. muscorum accumulated GL up to ∼54% dcw under N and P-deprivation, almost 36 times higher than that recorded under nutrients sufficient condition. The addition of 10% extra carbon in the form of valeric acid not only did not hamper the growth of N. muscorum (336.0 ± 113.1 mg TSS L-1) but also increased the GL content to ∼58% dcw. On the contrary, a negligible PHB accumulation was found under the tested conditions, likely due to the high CO2 concentration of 30% v/v in the headspace and therefore the high availability of inorganic carbon for the cultures. N. muscorum cultures achieved VFAs degradations up to ∼78% under controlled pH. These results supported N. muscorum as a sustainable alternative for CO2-capture and greenhouse gas mitigation or for photosynthetic biogas upgrading coupled with value added biomass production.
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Affiliation(s)
- Roxana Ángeles
- Department of Chemical Engineering and Environmental Technology, University of Valladolid. Dr. Mergelina S/n., 47011, Valladolid, Spain; Institute of Sustainable Processes, University of Valladolid. Spain, Dr. Mergelina S/n., 47011, Valladolid, Spain
| | - Esther Arnaiz
- Department of Chemical Engineering and Environmental Technology, University of Valladolid. Dr. Mergelina S/n., 47011, Valladolid, Spain; Institute of Sustainable Processes, University of Valladolid. Spain, Dr. Mergelina S/n., 47011, Valladolid, Spain
| | - Julia Gutiérrez
- Department of Chemical Engineering and Environmental Technology, University of Valladolid. Dr. Mergelina S/n., 47011, Valladolid, Spain
| | - Raúl Muñoz
- Department of Chemical Engineering and Environmental Technology, University of Valladolid. Dr. Mergelina S/n., 47011, Valladolid, Spain; Institute of Sustainable Processes, University of Valladolid. Spain, Dr. Mergelina S/n., 47011, Valladolid, Spain
| | - Raquel Lebrero
- Department of Chemical Engineering and Environmental Technology, University of Valladolid. Dr. Mergelina S/n., 47011, Valladolid, Spain; Institute of Sustainable Processes, University of Valladolid. Spain, Dr. Mergelina S/n., 47011, Valladolid, Spain.
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Chotchindakun K, Pathom-Aree W, Dumri K, Ruangsuriya J, Pumas C, Pekkoh J. Low Crystallinity of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) Bioproduction by Hot Spring Cyanobacterium Cyanosarcina sp. AARL T020. PLANTS 2021; 10:plants10030503. [PMID: 33800467 PMCID: PMC7999023 DOI: 10.3390/plants10030503] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/28/2021] [Accepted: 03/03/2021] [Indexed: 11/20/2022]
Abstract
The poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) derived from cyanobacteria is an environmentally friendly biodegradable polymer. The low yield of PHBV’s production is the main hindrance to its sustainable production, and the manipulation of PHBV production processes could potentially overcome this obstacle. The present research investigated evolutionarily divergent cyanobacteria obtained from local environments of Thailand. Among the strains tested, Cyanosarcina sp. AARL T020, a hot spring cyanobacterium, showed a high rate of PHBV accumulation with a fascinating 3-hydroxyvalerate mole fraction. A two-stage cultivation strategy with sole organic carbon supplementation was successful in maximizing cyanobacterial PHBV production. The use of an optimized medium in the first stage of cultivation provided a 4.9-fold increase in biomass production. Subsequently, the addition of levulinic acid in the second stage of cultivation can induce significant biomass and PHBV production. With this strategy, the final biomass production and PHBV productivity were increased by 6.5 and 73.2 fold, respectively. The GC-MS, FTIR, and NMR analyses confirmed that the obtained PHBV consisted of two subunits of 3-hydroxyvaryrate and 3-hydroxybutyrate. Interestingly, the cyanobacterial PHBV contained a very high 3-hydroxyvalerate mole fraction (94%) exhibiting a low degree of crystallinity and expanding in processability window, which could be applied to polymers for desirable advanced applications.
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Affiliation(s)
- Kittipat Chotchindakun
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (K.C.); (W.P.-A.); (C.P.)
| | - Wasu Pathom-Aree
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (K.C.); (W.P.-A.); (C.P.)
| | - Kanchana Dumri
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Jetsada Ruangsuriya
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand;
- Functional Food Research Unit, Science and Technology Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Chayakorn Pumas
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (K.C.); (W.P.-A.); (C.P.)
| | - Jeeraporn Pekkoh
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (K.C.); (W.P.-A.); (C.P.)
- Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Correspondence: ; Tel.: +66-5394-1949
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Mourão MM, Xavier LP, Urbatzka R, Figueiroa LB, da Costa CEF, Dias CGBT, Schneider MPC, Vasconcelos V, Santos AV. Characterization and Biotechnological Potential of Intracellular Polyhydroxybutyrate by Stigeoclonium sp. B23 Using Cassava Peel as Carbon Source. Polymers (Basel) 2021; 13:polym13050687. [PMID: 33668862 PMCID: PMC7956423 DOI: 10.3390/polym13050687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/15/2021] [Accepted: 02/17/2021] [Indexed: 12/19/2022] Open
Abstract
The possibility of utilizing lignocellulosic agro-industrial waste products such as cassava peel hydrolysate (CPH) as carbon sources for polyhydroxybutyrate (PHB) biosynthesis and characterization by Amazonian microalga Stigeoclonium sp. B23. was investigated. Cassava peel was hydrolyzed to reducing sugars to obtain increased glucose content with 2.56 ± 0.07 mmol/L. Prior to obtaining PHB, Stigeoclonium sp. B23 was grown in BG-11 for characterization and Z8 media for evaluation of PHB nanoparticles' cytotoxicity in zebrafish embryos. As results, microalga produced the highest amount of dry weight of PHB with 12.16 ± 1.28 (%) in modified Z8 medium, and PHB nanoparticles exerted some toxicity on zebrafish embryos at concentrations of 6.25-100 µg/mL, increased mortality (<35%) and lethality indicators as lack of somite formation (<25%), non-detachment of tail, and lack of heartbeat (both <15%). Characterization of PHB by scanning electron microscopy (SEM), X-ray diffraction (XRD), differential scanning calorimeter (DSC), and thermogravimetry (TGA) analysis revealed the polymer obtained from CPH cultivation to be morphologically, thermally, physically, and biologically acceptable and promising for its use as a biomaterial and confirmed the structure of the polymer as PHB. The findings revealed that microalgal PHB from Stigeoclonium sp. B23 was a promising and biologically feasible new option with high commercial value, potential for biomaterial applications, and also suggested the use of cassava peel as an alternative renewable resource of carbon for PHB biosynthesis and the non-use of agro-industrial waste and dumping concerns.
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Affiliation(s)
- Murilo Moraes Mourão
- Laboratory of Biotechnology of Enzymes and Biotransformations, Institute of Biological Sciences, Federal University of Pará, 66075-110 Belém, Pará, Brazil;
- Correspondence: (M.M.M.); (A.V.S.)
| | - Luciana Pereira Xavier
- Laboratory of Biotechnology of Enzymes and Biotransformations, Institute of Biological Sciences, Federal University of Pará, 66075-110 Belém, Pará, Brazil;
| | - Ralph Urbatzka
- Interdisciplinary Centre of Marine and Environmental Research—CIIMAR, University of Porto, 4450-208 Porto, Portugal; (R.U.); (V.V.)
| | - Lucas Barbosa Figueiroa
- Laboratory of Oils of the Amazon, Guamá Science and Technology Park, Federal University of Pará, 66075-750 Belém, Pará, Brazil; (L.B.F.); (C.E.F.d.C.)
| | - Carlos Emmerson Ferreira da Costa
- Laboratory of Oils of the Amazon, Guamá Science and Technology Park, Federal University of Pará, 66075-750 Belém, Pará, Brazil; (L.B.F.); (C.E.F.d.C.)
| | | | | | - Vitor Vasconcelos
- Interdisciplinary Centre of Marine and Environmental Research—CIIMAR, University of Porto, 4450-208 Porto, Portugal; (R.U.); (V.V.)
- Department of Biology, Faculty of Sciences, University of Porto, 4069-007 Porto, Portugal
| | - Agenor Valadares Santos
- Laboratory of Biotechnology of Enzymes and Biotransformations, Institute of Biological Sciences, Federal University of Pará, 66075-110 Belém, Pará, Brazil;
- Correspondence: (M.M.M.); (A.V.S.)
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29
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Afreen R, Tyagi S, Singh GP, Singh M. Challenges and Perspectives of Polyhydroxyalkanoate Production From Microalgae/Cyanobacteria and Bacteria as Microbial Factories: An Assessment of Hybrid Biological System. Front Bioeng Biotechnol 2021; 9:624885. [PMID: 33681160 PMCID: PMC7933458 DOI: 10.3389/fbioe.2021.624885] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 01/29/2021] [Indexed: 11/13/2022] Open
Abstract
Polyhydroxyalkanoates (PHAs) are the biopolymer of choice if we look for a substitute of petroleum-based non-biodegradable plastics. Microbial production of PHAs as carbon reserves has been studied for decades and PHAs are gaining attention for a wide range of applications in various fields. Still, their uneconomical production is the major concern largely attributed to high cost of organic substrates for PHA producing heterotrophic bacteria. Therefore, microalgae/cyanobacteria, being photoautotrophic, prove to have an edge over heterotrophic bacteria. They have minimal metabolic requirements, such as inorganic nutrients (CO2, N, P, etc.) and light, and they can survive under adverse environmental conditions. PHA production under photoautotrophic conditions has been reported from cyanobacteria, the only candidate among prokaryotes, and few of the eukaryotic microalgae. However, an efficient cultivation system is still required for photoautotrophic PHA production to overcome the limitations associated with (1) stringent management of closed photobioreactors and (2) optimization of monoculture in open pond culture. Thus, a hybrid system is a necessity, involving the participation of microalgae/cyanobacteria and bacteria, i.e., both photoautotrophic and heterotrophic components having mutual interactive benefits for each other under different cultivation regime, e.g., mixotrophic, successive two modules, consortium based, etc. Along with this, further strategies like optimization of culture conditions (N, P, light exposure, CO2 dynamics, etc.), bioengineering, efficient downstream processes, and the application of mathematical/network modeling of metabolic pathways to improve PHA production are the key areas discussed here. Conclusively, this review aims to critically analyze cyanobacteria as PHA producers and proposes economically sustainable production of PHA from microbial autotrophs and heterotrophs in "hybrid biological system."
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Affiliation(s)
- Rukhsar Afreen
- Department of Zoology, Gargi College, University of Delhi, New Delhi, India
| | - Shivani Tyagi
- Department of Zoology, Gargi College, University of Delhi, New Delhi, India
| | - Gajendra Pratap Singh
- Mathematical Sciences and Interdisciplinary Research Lab (Math Sci Int R-Lab), School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Mamtesh Singh
- Department of Zoology, Gargi College, University of Delhi, New Delhi, India
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Gracioso LH, Bellan A, Karolski B, Cardoso LOB, Perpetuo EA, Nascimento CAOD, Giudici R, Pizzocchero V, Basaglia M, Morosinotto T. Light excess stimulates Poly-beta-hydroxybutyrate yield in a mangrove-isolated strain of Synechocystis sp. BIORESOURCE TECHNOLOGY 2021; 320:124379. [PMID: 33189041 DOI: 10.1016/j.biortech.2020.124379] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
Poly-β-hydroxybutyrate (PHB) is a biodegradable biopolymer that may replace fossil-based plastics reducing its negative environmental impact. One highly sustainable strategy to produce these biopolymers is the exploitation of photosynthetic microorganisms that use sunlight and CO2 to produce biomass and subsequently, PHB. Exploring environmental biological diversity is a powerful tool to find resilient microorganisms potentially exploitable to produce bioproducts. In this work, a cyanobacterium (Synechocystis sp.) isolated from a contaminated area close to an important industrial complex was shown to produce PHB under different culture conditions. Carbon, nutrients supply and light intensity impact on biomass and PHB productivity were assessed, showing that the highest yield of PHB achieved was 241 mg L-1 (31%dcw) under high light intensity. Remarkably this condition not only stimulated PHB accumulation by 70% compared to other conditions tested but also high cellular duplication rate, maximizing the potential of this strain for PHB production.
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Affiliation(s)
- Louise Hase Gracioso
- Dipartimento di Biologia, Università degli Studi di Padova, 35121 Padova, Italy; Research Centre for Gas Innovation (RCGI-POLI-USP), University of São Paulo, Brazil; Environmental Research and Education Center (CEPEMA-POLI-USP), University of São Paulo, Brazil.
| | - Alessandra Bellan
- Dipartimento di Biologia, Università degli Studi di Padova, 35121 Padova, Italy
| | - Bruno Karolski
- Environmental Research and Education Center (CEPEMA-POLI-USP), University of São Paulo, Brazil
| | - Letícia Oliveira Bispo Cardoso
- Research Centre for Gas Innovation (RCGI-POLI-USP), University of São Paulo, Brazil; Environmental Research and Education Center (CEPEMA-POLI-USP), University of São Paulo, Brazil; The Interunit Graduate Program in Biotechnology, University of São Paulo, Brazil
| | - Elen Aquino Perpetuo
- Research Centre for Gas Innovation (RCGI-POLI-USP), University of São Paulo, Brazil; Environmental Research and Education Center (CEPEMA-POLI-USP), University of São Paulo, Brazil; Institute of Marine Sciences (IMar-UNIFESP), Federal University of São Paulo, Brazil
| | - Claudio Augusto Oller do Nascimento
- Research Centre for Gas Innovation (RCGI-POLI-USP), University of São Paulo, Brazil; Chemical Engineering Department (POLI-USP), University of São Paulo, Brazil
| | - Reinaldo Giudici
- Research Centre for Gas Innovation (RCGI-POLI-USP), University of São Paulo, Brazil; Chemical Engineering Department (POLI-USP), University of São Paulo, Brazil
| | - Valentino Pizzocchero
- DAFNAE - Department of Agronomy Food Natural Resources Animals and Environment, Università degli Studi di Padova, 35121 Padova, Italy
| | - Marina Basaglia
- DAFNAE - Department of Agronomy Food Natural Resources Animals and Environment, Università degli Studi di Padova, 35121 Padova, Italy
| | - Tomas Morosinotto
- Dipartimento di Biologia, Università degli Studi di Padova, 35121 Padova, Italy
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Vasile E, Radu IC, Galateanu B, Rapa M, Hudita A, Jianu D, Stanescu PO, Cioflan H, Zaharia C. Novel Nanocomposites Based on Bacterial Polyester/LDH-SDS Clay for Stem Cells Delivery in Modern Wound Healing Management. MATERIALS 2020; 13:ma13204488. [PMID: 33050441 PMCID: PMC7601887 DOI: 10.3390/ma13204488] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/24/2020] [Accepted: 10/04/2020] [Indexed: 12/14/2022]
Abstract
Nanocomposite materials based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBHV) and modified mineral clay layered double hydroxides (LDH-SDS) were explored as novel nanostructured materials for potential tissue engineering applications. The mineral clay inorganic phase was modified with an anionic long-chain structure of carbon atoms, such as sodium dodecyl sulfate, in order to increase the compatibility between the two phases. The melt intercalation method used for nanocomposite fabrication ensures a good dispersion of the modified LDH-SDS within the polymer matrix without using a toxic solvent (chloroform). The nanocomposites were found to have an intercalated/exfoliated structure with an enhanced Young modulus and increased stiffness. This could allow them to be considered for autologous stem cells dressings in the view of efficient wound healing applications.
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Affiliation(s)
- Eugeniu Vasile
- Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 060042 Bucharest, Romania;
| | - Ionut-Cristian Radu
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 060042 Bucharest, Romania; (I.-C.R.); (P.-O.S.)
| | - Bianca Galateanu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, 050095 Bucharest, Romania; (B.G.); (A.H.)
| | - Maria Rapa
- ECOMET Center, Politehnica University of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania;
| | - Ariana Hudita
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, 050095 Bucharest, Romania; (B.G.); (A.H.)
| | - Dana Jianu
- International Society of Regenerative Medicine and Surgery, 38-40 T. Stefan Street, 011658 Bucharest, Romania;
| | - Paul-Octavian Stanescu
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 060042 Bucharest, Romania; (I.-C.R.); (P.-O.S.)
| | - Horia Cioflan
- SANADOR Clinic Hospital, Sevastopol Street, No. 9, Sector 1, 010991 Bucharest, Romania;
- Department of General Surgery, Oncology Institute “Prof.dr. Alexandru Trestioreanu”, Sos. Fundeni, Bucharest, No. 252, Sector 2, 022328 Bucharest, Romania
| | - Catalin Zaharia
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 060042 Bucharest, Romania; (I.-C.R.); (P.-O.S.)
- Correspondence: ; Tel.: +40-727-694-492
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32
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Gomes Gradíssimo D, Pereira Xavier L, Valadares Santos A. Cyanobacterial Polyhydroxyalkanoates: A Sustainable Alternative in Circular Economy. Molecules 2020; 25:E4331. [PMID: 32971731 PMCID: PMC7571216 DOI: 10.3390/molecules25184331] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/16/2020] [Accepted: 07/21/2020] [Indexed: 01/11/2023] Open
Abstract
Conventional petrochemical plastics have become a serious environmental problem. Its unbridled use, especially in non-durable goods, has generated an accumulation of waste that is difficult to measure, threatening aquatic and terrestrial ecosystems. The replacement of these plastics with cleaner alternatives, such as polyhydroxyalkanoates (PHA), can only be achieved by cost reductions in the production of microbial bioplastics, in order to compete with the very low costs of fossil fuel plastics. The biggest costs are carbon sources and nutrients, which can be appeased with the use of photosynthetic organisms, such as cyanobacteria, that have a minimum requirement for nutrients, and also using agro-industrial waste, such as the livestock industry, which in turn benefits from the by-products of PHA biotechnological production, for example pigments and nutrients. Circular economy can help solve the current problems in the search for a sustainable production of bioplastic: reducing production costs, reusing waste, mitigating CO2, promoting bioremediation and making better use of cyanobacteria metabolites in different industries.
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Affiliation(s)
- Diana Gomes Gradíssimo
- Post Graduation Program in Biotechnology, Institute of Biological Sciences, Universidade Federal do Pará, Augusto Corrêa Street, Guamá, Belém, PA 66075-110, Brazil
- Laboratory of Biotechnology of Enzymes and Biotransformations, Institute of Biological Sciences, Universidade Federal do Pará, Augusto Corrêa Street, Guamá, Belém, PA 66075-110, Brazil;
| | - Luciana Pereira Xavier
- Laboratory of Biotechnology of Enzymes and Biotransformations, Institute of Biological Sciences, Universidade Federal do Pará, Augusto Corrêa Street, Guamá, Belém, PA 66075-110, Brazil;
| | - Agenor Valadares Santos
- Post Graduation Program in Biotechnology, Institute of Biological Sciences, Universidade Federal do Pará, Augusto Corrêa Street, Guamá, Belém, PA 66075-110, Brazil
- Laboratory of Biotechnology of Enzymes and Biotransformations, Institute of Biological Sciences, Universidade Federal do Pará, Augusto Corrêa Street, Guamá, Belém, PA 66075-110, Brazil;
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Tanweer S, Panda B. Prospect of Synechocystis sp. PCC 6803 for synthesis of poly(3-hydroxybutyrate-co-4-hydroxybutyrate). ALGAL RES 2020. [DOI: 10.1016/j.algal.2020.101994] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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34
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Recent advances in polyhydroxyalkanoate production: Feedstocks, strains and process developments. Int J Biol Macromol 2020; 156:691-703. [PMID: 32315680 DOI: 10.1016/j.ijbiomac.2020.04.082] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/01/2020] [Accepted: 04/12/2020] [Indexed: 11/20/2022]
Abstract
Polyhydroxyalkanoates (PHAs) have been actively studied in academia and industry for their properties comparable to petroleum-derived plastics and high biocompatibility. However, the major limitation for commercialization is their high cost. Feedstock costs, especially carbon costs, account for the majority of the final cost. Finding cheap feedstocks for PHA production and associated process development are critical for a cost-effective PHA production. In this study, waste materials from different sources, particularly lignocellulosic biomass, were proposed as suitable feedstocks for PHA production. Strains involved in the conversion of these feedstocks into PHA were reviewed. Newly isolated strains were emphasized. Related process development, including the factors that affect PHA production, fermentation modes and downstream processing, was elaborated upon.
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Zhang C, Wang C, Cao G, Wang D, Ho SH. A sustainable solution to plastics pollution: An eco-friendly bioplastic film production from high-salt contained Spirulina sp. residues. JOURNAL OF HAZARDOUS MATERIALS 2020; 388:121773. [PMID: 31836373 DOI: 10.1016/j.jhazmat.2019.121773] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 11/26/2019] [Accepted: 11/27/2019] [Indexed: 06/10/2023]
Abstract
Plastic products have become a major contaminant in environmental ecology due to their recalcitrant biodegradation, poor management and risky disposal. Therefore, much research attention has been paid to developing the biodegradable bio-based plastics. However, many of the substitute bioplastics derived from agricultural materials may present a potential threat to food security and eco-systems. Herein, we propose a sustainable, eco-friendly and simple procedure to convert the hazardous high-salt contained microalgal residues into bioplastic film. With 35 % poly (vinyl alcohol) (PVA) assistance, the composite bioplastic films achieved 22 MPa tensile strength under alkali condition and 77 % elongation at break under acidic condition. The average maximum contact angle of 94.4° confirmed a desirable water resistance potential. The synthesis mechanism demonstrated that the inorganic salts existed in microalgal residues could act as the filler in shape of sheets under alkali condition or as the cross linker under acidic condition, significantly enhancing the practical feasibility. This work demonstrates a promising biodegradable bioplastics formed from sustainable eco-friendly waste reutilization process, providing a new insight for fundamentally reducing the plastics pollution.
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Affiliation(s)
- Chaofan Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Chengyu Wang
- Key Laboratory of Bio-Based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin, 150040, PR China
| | - Guoliang Cao
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Dawei Wang
- School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Shih-Hsin Ho
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, PR China.
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36
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Production of polymers by cyanobacteria grown in wastewater: Current status, challenges and future perspectives. N Biotechnol 2020; 55:46-57. [DOI: 10.1016/j.nbt.2019.09.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 09/07/2019] [Accepted: 09/13/2019] [Indexed: 11/20/2022]
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37
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Roja K, Ruben Sudhakar D, Anto S, Mathimani T. Extraction and characterization of polyhydroxyalkanoates from marine green alga and cyanobacteria. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101358] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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38
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Zhang C, Show PL, Ho SH. Progress and perspective on algal plastics - A critical review. BIORESOURCE TECHNOLOGY 2019; 289:121700. [PMID: 31262543 DOI: 10.1016/j.biortech.2019.121700] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/21/2019] [Accepted: 06/22/2019] [Indexed: 05/13/2023]
Abstract
There is a growing interest in developing bio-based biodegradable plastics to reduce the dependence on depleting fossil fuels and provide a sustainable alternative. Bio-based plastics can usually be produced from lipids, proteins or carbohydrates, which are major components of microalgae. Despite its potential for algal plastics, little information is available on strain selection, culture optimization and bioplastics fabrication mechanism. In this review, we summarized the recent developments in understanding the utilization of seaweed polysaccharides, such as alginate and carrageenan for bio-based plastics. In addition, a conceptual biorefinery framework for algal plastics through promising components (e.g., lipids, carbohydrates and proteins) from microalgae is comprehensively presented. Moreover, the reasons for variations in bioplastics performance and underlying mechanism of various algal biocomposites have been critically discussed. We believe this review can provide valuable information to accelerate the development of innovative green technologies for improving the commercial viability of algal plastics.
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Affiliation(s)
- Chaofan Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, PR China
| | - Pau-Loke Show
- Department of Chemical Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500 Selangor Darul Ehsan, Malaysia
| | - Shih-Hsin Ho
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, PR China.
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Singh MK, Rai PK, Rai A, Singh S, Singh JS. Poly-β-Hydroxybutyrate Production by the Cyanobacterium Scytonema geitleri Bharadwaja under Varying Environmental Conditions. Biomolecules 2019; 9:E198. [PMID: 31117324 PMCID: PMC6572610 DOI: 10.3390/biom9050198] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/18/2019] [Accepted: 05/19/2019] [Indexed: 11/23/2022] Open
Abstract
The production of poly-β-hydroxybutyrate (PHB) under varying environmental conditions (pH, temperature and carbon sources) was examined in the cyanobacterium Scytonema geitleri Bharadwaja isolated from the roof-top of a building. The S. geitleri produced PHB and the production of PHB was linear with the growth of cyanobacterium. The maximum PHB production (7.12% of dry cell weight) was recorded when the cells of S. geitleri were at their stationary growth phase. The production of PHB was optimum at pH 8.5 and 30 °C, and acetate (30 mM) was the preferred carbon source.
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Affiliation(s)
- Manoj K Singh
- Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi-221005, India.
| | - Pradeep K Rai
- Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi-221005, India.
- Division of Agronomy, ICAR-Indian Agricultural Research Institute, Pusa, New Delhi-110012, India.
| | - Anuradha Rai
- Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi-221005, India.
- Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, Pusa, New Delhi-110012, India.
| | - Surendra Singh
- Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi-221005, India.
| | - Jay Shankar Singh
- Departments of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University, Lucknow-226025, India.
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Costa SS, Miranda AL, de Morais MG, Costa JAV, Druzian JI. Microalgae as source of polyhydroxyalkanoates (PHAs) - A review. Int J Biol Macromol 2019; 131:536-547. [PMID: 30885732 DOI: 10.1016/j.ijbiomac.2019.03.099] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/10/2019] [Accepted: 03/15/2019] [Indexed: 01/09/2023]
Abstract
Polyhydroxyalkanoates (PHA) are biopolymers synthesized by different microorganisms and considered substitute powers for petroleum-based plastics because they have similar mechanical properties as synthetic polymers, can be processed in a similar way and are fully biodegradable. Currently commercial PHAs are produced in fermenters using bacteria and large amounts of organic carbon sources and salts in the culture media, accounting for approximately 50% of the total production costs. A greater commercial application of the PHA is limited to a decrease in the cost of production. Several studies suggest that microalgae are a type of microorganisms that can be used to obtain PHAs at a lower cost because they have minimum nutrient requirements for growth and are photoautotrophic in nature, i.e. they use light and CO2 as their main sources of energy. Thus, this work aims to provide a review on the production of PHAs of different microalgae, focusing on the properties and composition of biopolymers, verifying the potential of using these bioplastics instead of petroleum based plastics. Studies of stimulation PHA synthesis by microalgae are still considered incipient. Still, it is clear that microalgae have the potential to produce biopolymers with lower cost and can play a vital role in the environment.
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Affiliation(s)
- Samantha Serra Costa
- Institute of Health Sciences, RENORBIO, Federal University of Bahia, Salvador, Bahia, Brazil; Federal University of the Recôncavo of Bahia, Feira de Santana, Bahia, Brazil.
| | - Andréa Lobo Miranda
- Institute of Health Sciences, RENORBIO, Federal University of Bahia, Salvador, Bahia, Brazil; Federal Institute of Baiano, Santa Inês, Bahia, Brazil
| | - Michele Greque de Morais
- Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil
| | - Jorge Alberto Vieira Costa
- Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil
| | - Janice Izabel Druzian
- Department of Bromatological Analysis, College of Pharmacy, Federal University of Bahia, Salvador, Bahia, Brazil
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Costa SS, Miranda AL, Andrade BB, Assis DDJ, Souza CO, de Morais MG, Costa JAV, Druzian JI. Influence of nitrogen on growth, biomass composition, production, and properties of polyhydroxyalkanoates (PHAs) by microalgae. Int J Biol Macromol 2018; 116:552-562. [DOI: 10.1016/j.ijbiomac.2018.05.064] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 04/27/2018] [Accepted: 05/12/2018] [Indexed: 11/29/2022]
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Troschl C, Meixner K, Fritz I, Leitner K, Romero AP, Kovalcik A, Sedlacek P, Drosg B. Pilot-scale production of poly-β-hydroxybutyrate with the cyanobacterium Synechocytis sp. CCALA192 in a non-sterile tubular photobioreactor. ALGAL RES 2018. [DOI: 10.1016/j.algal.2018.07.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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43
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Efficacy of Spirulina sp. polyhydroxyalkanoates extraction methods and influence on polymer properties and composition. ALGAL RES 2018. [DOI: 10.1016/j.algal.2018.05.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Singh AK, Mallick N. Advances in cyanobacterial polyhydroxyalkanoates production. FEMS Microbiol Lett 2017; 364:4107776. [DOI: 10.1093/femsle/fnx189] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 09/06/2017] [Indexed: 12/25/2022] Open
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45
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Taepucharoen K, Tarawat S, Puangcharoen M, Incharoensakdi A, Monshupanee T. Production of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) under photoautotrophy and heterotrophy by non-heterocystous N 2-fixing cyanobacterium. BIORESOURCE TECHNOLOGY 2017; 239:523-527. [PMID: 28533067 DOI: 10.1016/j.biortech.2017.05.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 05/03/2017] [Accepted: 05/04/2017] [Indexed: 06/07/2023]
Abstract
The photoautotrophically grown cyanobacterium Oscillatoria okeni TISTR 8549 was found to produce bioplastic poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV). This PHBV production occurred under nitrogen deprivation (-N) that yielded PHBV accumulation of 14±4% (w/w DW) in which 3-hydroxyvalerate accounted for 5.5mol%. The heterotrophically grown (-N condition with acetate supplementation) cells under light showed no increase of PHBV storage, but under dark condition these cells increased PHBV accumulation to 42±8% (w/w DW) with 6.5mol% of 3-hydroxyvalerate. Compared to poly-3-hydroxybutyrate (PHB), the PHBV from O. okeni had a lower melting temperature by 5-7°C, a higher % elongation at break by 4-7times and a greater Young's elastic modulus by 2.3-2.5times.
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Affiliation(s)
- Keerati Taepucharoen
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Somchai Tarawat
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Monthira Puangcharoen
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Aran Incharoensakdi
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Tanakarn Monshupanee
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
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46
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Troschl C, Meixner K, Drosg B. Cyanobacterial PHA Production-Review of Recent Advances and a Summary of Three Years' Working Experience Running a Pilot Plant. Bioengineering (Basel) 2017; 4:E26. [PMID: 28952505 PMCID: PMC5590470 DOI: 10.3390/bioengineering4020026] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 03/15/2017] [Accepted: 03/16/2017] [Indexed: 11/20/2022] Open
Abstract
Cyanobacteria, as photoautotrophic organisms, provide the opportunity to convert CO2 to biomass with light as the sole energy source. Like many other prokaryotes, especially under nutrient deprivation, most cyanobacteria are able to produce polyhydroxyalkanoates (PHAs) as intracellular energy and carbon storage compounds. In contrast to heterotrophic PHA producers, photoautotrophic cyanobacteria do not consume sugars and, therefore, do not depend on agricultural crops, which makes them a green alternative production system. This review summarizes the recent advances in cyanobacterial PHA production. Furthermore, this study reports the working experience with different strains and cultivating conditions in a 200 L pilot plant. The tubular photobioreactor was built at the coal power plant in Dürnrohr, Austria in 2013 for direct utilization of flue gases. The main challenges were the selection of robust production strains, process optimization, and automation, as well as the CO2 availability.
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Affiliation(s)
- Clemens Troschl
- Institute of Environmental Biotechnology, Department of Agrobiotechnology, IFA-Tulln, University of Natural Resources and Life Sciences, Vienna, Tulln 3430, Austria.
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