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Wang Y, Wang J, Yang S, Liang Q, Gu Z, Wang Y, Mou H, Sun H. Selecting a preculture strategy for improving biomass and astaxanthin productivity of Chromochloris zofingiensis. Appl Microbiol Biotechnol 2024; 108:117. [PMID: 38204137 PMCID: PMC10781847 DOI: 10.1007/s00253-023-12873-x] [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: 06/14/2023] [Revised: 10/05/2023] [Accepted: 10/17/2023] [Indexed: 01/12/2024]
Abstract
Chromochloris zofingiensis is a potential source of natural astaxanthin; however, its rapid growth and astaxanthin enrichment cannot be achieved simultaneously. This study established autotrophic, mixotrophic, and heterotrophic preculture patterns to assess their ameliorative effect on the C. zofingiensis heterotrophic growth state. In comparison, mixotrophic preculture (MP) exhibited the best improving effect on heterotrophic biomass concentration of C. zofingiensis (up to 121.5 g L-1) in a 20 L fermenter, reaching the global leading level. The astaxanthin productivity achieved 111 mg L-1 day-1, 7.4-fold higher than the best record. The transcriptome and 13C tracer-based metabolic flux analysis were used for mechanism inquiry. The results revealed that MP promoted carotenoid and lipid synthesis, and supported synthesis preference of low unsaturated fatty acids represented by C18:1 and C16:0. The MP group maintained the best astaxanthin productivity via mastering the balance between increasing glucose metabolism and inhibition of carotenoid synthesis. The MP strategy optimized the physiological state of C. zofingiensis and realized its heterotrophic high-density growth for an excellent astaxanthin yield on a pilot scale. This strategy exhibits great application potential in the microalgae-related industry. KEY POINTS: • Preculture strategies changed carbon flux and gene expression in C. zofingiensis • C. zofingiensis realized a high-density culture with MP and fed-batch culture (FBC) • Astaxanthin productivity achieved 0.111 g L-1 day-1 with MP and FBC.
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Affiliation(s)
- Yuxin Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Jia 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
| | - Qingping Liang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Ziqiang Gu
- 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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2
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Qiu JF, Yang YC, Li RY, Jiao YH, Mou JH, Yang WD, Lin CSK, Li HY, Wang X. Synergistic and stepwise treatment of resveratrol and catechol in Haematococcus pluvialis for the overproduction of biomass and astaxanthin. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2024; 17:80. [PMID: 38877488 PMCID: PMC11177449 DOI: 10.1186/s13068-024-02527-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 06/02/2024] [Indexed: 06/16/2024]
Abstract
To increase the production of biomass and astaxanthin from Haematococcus pluvialis to meet the high market demand for astaxanthin, this study recruited two typical and negligible phytohormones (namely resveratrol and catechol) for the stepwise treatments of H. pluvialis. It was found that the hybrid and sequential treatments of resveratrol (200 μmol) and catechol (100 μmol) had achieved the maximum astaxanthin content at 33.96 mg/L and 42.99 mg/L, respectively. Compared with the hybrid treatment, the physiological data of H. pluvialis using the sequential strategy revealed that the enhanced photosynthetic performance via the Calvin cycle by RuBisCO improved the biomass accumulation during the macrozooid stage; meanwhile, the excessive ROS production had occurred to enhance astaxanthin production with the help of NADPH overproduction during the hematocyst stage. Overall, this study provides improved knowledge of the impacts of phytohormones in improving biomass and astaxanthin of H. pluvialis, which shed valuable insights for advancing microalgae-based biorefinery.
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Affiliation(s)
- Jia-Fan Qiu
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Yu-Cheng Yang
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Ruo-Yu Li
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Yu-Hu Jiao
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Jin-Hua Mou
- School of Energy and Environment, City University of Hong Kong, Hong Kong, China
| | - Wei-Dong Yang
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Carol Sze Ki Lin
- School of Energy and Environment, City University of Hong Kong, Hong Kong, China
| | - Hong-Ye Li
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China
| | - Xiang Wang
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, College of Life Science and Technology, Jinan University, Guangzhou, 510632, China.
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3
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Lu X, Zhao W, Wang J, He Y, Yang S, Sun H. A comprehensive review on the heterotrophic production of bioactive compounds by microalgae. World J Microbiol Biotechnol 2024; 40:210. [PMID: 38773011 DOI: 10.1007/s11274-024-03892-5] [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: 11/06/2023] [Accepted: 01/09/2024] [Indexed: 05/23/2024]
Abstract
Bioactive compounds derived from microalgae have garnered considerable attention as valuable resources for drugs, functional foods, and cosmetics. Among these compounds, photosynthetic pigments and polyunsaturated fatty acids (PUFAs) have gained increasing interest due to their numerous beneficial properties, including anti-oxidant, anti-viral, anti-bacterial, anti-fungal, anti-inflammatory, and anti-tumor effects. Several microalgae species have been identified as rich sources of bioactive compounds, including the Chlorophyceae Dunaliella and Haematococcus, the Bacillariophyta Phaeodactylum and Nitzschia, and the dinoflagellate Crypthecodinium cohnii. However, most of the reported microalgae species primarily grow through autotrophic mechanisms, resulting in low yields and high production costs of bioactive compounds. Consequently, the utilization of heterotrophic microalgae, such as Chromochloris zofingiensis and Nitzschia laevis, has shown significant advantages in the production of astaxanthin and eicosapentaenoic acid (EPA), respectively. These heterotrophic microalgae exhibit superior capabilities in synthesizing target compounds. This comprehensive review provides a thorough examination of the heterotrophic production of bioactive compounds by microalgae. It covers key aspects, including the metabolic pathways involved, the impact of cultivation conditions, and the practical applications of these compounds. The review discusses how heterotrophic cultivation strategies can be optimized to enhance bioactive compound yields, shedding light on the potential of microalgae as a valuable resource for high-value product development.
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Affiliation(s)
- Xue Lu
- Institute of New Materials and Advanced Manufacturing, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Weixuan Zhao
- Institute of New Materials and Advanced Manufacturing, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Jia Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Yongjin He
- College of Life Science, Fujian Normal University, Fuzhou, 350117, China
| | - Shufang Yang
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China.
| | - Han Sun
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China.
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4
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Wilawan B, Chan SS, Ling TC, Show PL, Ng EP, Jonglertjunya W, Phadungbut P, Khoo KS. Advancement of Carotenogenesis of Astaxanthin from Haematococcus pluvialis: Recent Insight and Way Forward. Mol Biotechnol 2024; 66:402-423. [PMID: 37270443 DOI: 10.1007/s12033-023-00768-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/07/2023] [Indexed: 06/05/2023]
Abstract
The demand for astaxanthin has been increasing for many health applications ranging from pharmaceuticals, food, cosmetics, and aquaculture due to its bioactive properties. Haematococcus pluvialis is widely recognized as the microalgae species with the highest natural accumulation of astaxanthin, which has made it a valuable source for industrial production. Astaxanthin produced by other sources such as chemical synthesis or fermentation are often produced in the cis configuration, which has been shown to have lower bioactivity. Additionally, some sources of astaxanthin, such as shrimp, may denature or degrade when exposed to high temperatures, which can result in a loss of bioactivity. Producing natural astaxanthin through the cultivation of H. pluvialis is presently a demanding and time-consuming task, which incurs high expenses and restricts the cost-effective industrial production of this valuable substance. The production of astaxanthin occurs through two distinct pathways, namely the cytosolic mevalonate pathway and the chloroplast methylerythritol phosphate (MEP) pathway. The latest advancements in enhancing product quality and extracting techniques at a reasonable cost are emphasized in this review. The comparative of specific extraction processes of H. pluvialis biological astaxanthin production that may be applied to large-scale industries were assessed. The article covers a contemporary approach to optimizing microalgae culture for increased astaxanthin content, as well as obtaining preliminary data on the sustainability of astaxanthin production and astaxanthin marketing information.
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Affiliation(s)
- Busakorn Wilawan
- Institut Biologi Sains, Fakulti Sains, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
- Department of Chemical Engineering, Faculty of Engineering, Mahidol University, Salaya, Nakhon Pathom, 73170, Thailand
| | - Sook Sin Chan
- Institut Biologi Sains, Fakulti Sains, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Tau Chuan Ling
- Institut Biologi Sains, Fakulti Sains, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Pau Loke Show
- Department of Chemical Engineering, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
- Zhejiang Provincial Key Laboratory for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou, 325035, China
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Eng-Poh Ng
- School of Chemical Sciences, Universiti Sains Malaysia, 11800, Penang, Malaysia
| | - Woranart Jonglertjunya
- Fermentation Technology Laboratory (FerTechLab), Department of Chemical Engineering, Faculty of Engineering, Mahidol University, Nakhon Pathom, 73170, Thailand.
| | - Poomiwat Phadungbut
- Nanocomposite Engineering Laboratory (NanoCEN), Department of Chemical Engineering, Faculty of Engineering, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan.
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India.
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5
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Xing H, Sun X, Xu N, Su X, Qin Y, Zhang L, Liu K, Li M, Hu C. The combination of uridine and nitrogen-deprivation promotes the efficient formation of astaxanthin-rich motile cells in Haematococcus pluvialis. BIORESOURCE TECHNOLOGY 2024; 393:130150. [PMID: 38049016 DOI: 10.1016/j.biortech.2023.130150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023]
Abstract
Astaxanthin accumulation in Haematococcus pluvialis typically occurs alongside the formation of secondary cell wall (SCW), hindering astaxanthin extraction and bio-accessibility. A potential solution lies in cultivating astaxanthin-rich motile cells lacking SCW. This study explored the influence and underlying mechanism of nitrogen-deprivation (ND) on SCW formation and established a connection between pyrimidine metabolism and SCW development. Then, various pyrimidine and ND combinations were examined to cultivate astaxanthin-rich motile cells. The results indicated that, compared to the nitrogen-replete group, the combination of uridine and ND increased the proportion of motile cells by 25-33 times, achieving 95 %, and enhanced astaxanthin yield by 26.52 %. Moreover, the efficiency of astaxanthin extraction from intact, wet motile cells was 91 % - 95 %, which was 5.6-9.0 times that from non-motile cells. This study not only presents a promising method for producing astaxanthin-rich motile cells in H. pluvialis but also provides insights into the relationship between pyrimidine metabolism and SCW development.
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Affiliation(s)
- Hailiang Xing
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Xue Sun
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Nianjun Xu
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Xiaoyuan Su
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Yujie Qin
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Liuquan Zhang
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Kai Liu
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Mingyang Li
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Chaoyang Hu
- Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China.
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6
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Zhang L, Hu T, Yao S, Hu C, Xing H, Liu K, Sun X, Xu N. Enhancement of astaxanthin production, recovery, and bio-accessibility in Haematococcus pluvialis through taurine-mediated inhibition of secondary cell wall formation under high light conditions. BIORESOURCE TECHNOLOGY 2023; 389:129802. [PMID: 37783237 DOI: 10.1016/j.biortech.2023.129802] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 09/13/2023] [Accepted: 09/22/2023] [Indexed: 10/04/2023]
Abstract
This study explored the use of taurine in enhancing the production and bio-accessibility of astaxanthin in Haematococcus pluvialis, which typically forms a secondary cell wall hindering astaxanthin extraction. The biomass of taurine-treated group significantly increased by 18%, and astaxanthin yield surged by 34% in comparison to the control group. Without cell disruption, astaxanthin recovery from thin-walled cells in the taurine-treated group, using dimethyl sulfoxide and ethanol as extraction reagents, was 97% and 75%, respectively, which were 30-fold higher than those of thick-walled cells in the control group. Additionally, the cell fragmentation rate increased by 86% in taurine-treated group relative to the control group. Comparative transcriptome analysis identified taurine-induced upregulation of genes involved in the astaxanthin biosynthesis pathway and downregulation of those associated with secondary cell wall synthesis. This study thus offers an innovative taurine-based strategy to enhance astaxanthin production and bio-accessibility while shedding light on the mechanisms driving this process.
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Affiliation(s)
- Liuquan Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Tao Hu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Shiqi Yao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Chaoyang Hu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Hailiang Xing
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Kai Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Xue Sun
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China
| | - Nianjun Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Marine Biotechnology of Zhejiang Province, School of Marine Sciences, Ningbo University, Ningbo 315832, China.
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7
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Extraction of Valuable Biomolecules from the Microalga Haematococcus pluvialis Assisted by Electrotechnologies. Molecules 2023; 28:molecules28052089. [PMID: 36903334 PMCID: PMC10004699 DOI: 10.3390/molecules28052089] [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: 01/30/2023] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
The freshwater microalga Haematococcus pluvialis is well known as the cell factory for natural astaxanthin, which composes up to 4-7% of its total dry weight. The bioaccumulation of astaxanthin in H. pluvialis cysts seems to be a very complex process that depends on different stress conditions during its cultivation. The red cysts of H. pluvialis develop thick and rigid cell walls under stress growing conditions. Thus, the biomolecule extraction requires general cell disruption technologies to reach a high recovery rate. This short review provides an analysis of the different steps in H. pluvialis's up and downstream processing including cultivation and harvesting of biomass, cell disruption, extraction and purification techniques. Useful information on the structure of H. pluvialis's cells, biomolecular composition and properties and the bioactivity of astaxanthin is collected. Special emphasis is given to the recent progress in application of different electrotechnologies during the growth stages and for assistance of the recovery of different biomolecules from H. pluvialis.
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8
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Ashokkumar V, Flora G, Sevanan M, Sripriya R, Chen WH, Park JH, Rajesh Banu J, Kumar G. Technological advances in the production of carotenoids and their applications- A critical review. BIORESOURCE TECHNOLOGY 2023; 367:128215. [PMID: 36332858 DOI: 10.1016/j.biortech.2022.128215] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 05/21/2023]
Abstract
Carotenoids are naturally occurring pigments that are widely distributed in algae, fungi, bacteria, and plants. Carotenoids play a significant role in the food, feed, cosmetic, nutraceutical, and pharmaceutical industries. These pigments are effectively considered as a health-promoting compounds, which are widely used in our daily diet to reduce the risk of chronic diseases such as cardiovascular diseases, cancer, acute lung injury, cataracts, neural disorders, etc. In this context, this review paper demonstrates the synthesis of carotenoids and their potential application in the food and pharmaceutical industries. However, the demand for carotenoid production is increasing overtime, and the extraction and production are expensive and technically challenging. The recent developments in carotenoid biosynthesis, and key challenges, bottlenecks, and future perspectives were also discussed to enhance the circular bioeconomy.
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Affiliation(s)
- Veeramuthu Ashokkumar
- Biorefineries for Biofuels & Bioproducts Laboratory (BBBL), Center for Trandisciplinary Research, Department of Pharmacology, SDC, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India
| | - G Flora
- Department of Botany, St. Mary's College (Autonomous), Thoothukudi, Tamil Nadu, India
| | - Murugan Sevanan
- Department of Biotechnology, Karunya Institute of Technology and Sciences (Deemed to be University), Combatore, India
| | - R Sripriya
- Department of Zoology, St. Mary's College (Autonomous), Thoothukudi, India
| | - W H Chen
- Department Aeronautical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Jeong-Hoon Park
- Sustainable Technology and Wellness R&D Group, Korea Institute of Industrial Technology (KITECH), 102 Jejudaehak-ro, Jeju-si, Jeju-do 63243, South Korea
| | - J Rajesh Banu
- Department of Biotechnology, Central University of Tamil Nadu, Thiruvarur, Tamil Nadu, 610005, India
| | - Gopalakrishnan Kumar
- School of Civil and Environmental Engineering, Yonsei University, Seoul 03722, South Korea.
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Oliveira CYB, Jacob A, Nader C, Oliveira CDL, Matos ÂP, Araújo ES, Shabnam N, Ashok B, Gálvez AO. An overview on microalgae as renewable resources for meeting sustainable development goals. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 320:115897. [PMID: 35947909 DOI: 10.1016/j.jenvman.2022.115897] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/12/2022] [Accepted: 07/23/2022] [Indexed: 05/27/2023]
Abstract
The increased demands and dependence on depleted oil reserves, accompanied by global warming and climate change have driven the world to explore and develop new strategies for global sustainable development. Among sustainable biomass sources, microalgae represent a promising alternative to fossil fuel and can contribute to the achievement of important Sustainable Development Goals (SDGs). This article has reviewed the various applications of microalgal biomass that includes (i) the use in aquaculture and its sustainability; (ii) commercial value and emerging extraction strategies of carotenoids; (iii) biofuels from microalgae and their application in internal combustion engines; (iv) the use and reuse of water in microalgae cultivation; and (v) microalgae biotechnology as a key factor to assist SDGs. The future prospects and challenges on the microalgae circular bio economy, issues with regard to the scale-up and water demand in microalgae cultivation are also highlighted.
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Affiliation(s)
- Carlos Yure B Oliveira
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, Brazil.
| | - Ashwin Jacob
- School of Mechanical Engineering, Sathyabama Institute of Science and Technology, Chennai, India
| | - Camila Nader
- Centro de Ciências Agrárias, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Cicero Diogo L Oliveira
- Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Ângelo P Matos
- Centro de Ciências Agrárias, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Evando S Araújo
- Grupo de Pesquisa em Aplicações de Eletrofiação e Nanotecnologia (GPEA-Nano), Universidade Federal do Vale do São Francisco, Juazeiro, Brazil
| | - Nisha Shabnam
- Department of Biophysics, Centre of the Region Haná for Biotechnological and Agricultural Research, Palacký University, Czech Republic
| | - Bragadeshwaran Ashok
- Division of Thermal and Automotive, Vellore Institute of Technology, Vellore, India
| | - Alfredo O Gálvez
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, Brazil
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10
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Kumar L, Mohan L, Anand R, Joshi V, Chugh M, Bharadvaja N. A review on unit operations, challenges, opportunities, and strategies to improve algal based biodiesel and biorefinery. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.998289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Globally, the demand for energy is increasing with an emphasis on green fuels for a sustainable future. As the urge for alternative fuels is accelerating, microalgae have emerged as a promising source that can not only produce high lipid but many other platform chemicals. Moreover, it is a better alternative in comparison to conventional feedstock due to yearlong easy and mass cultivation, carbon fixation, and value-added products extraction. To date, numerous studies have been done to elucidate these organisms for large-scale fuel production. However, enhancing the lipid synthesis rate and reducing the production cost still remain a major bottleneck for its economic viability. Therefore, this study compiles information on algae-based biodiesel production with an emphasis on its unit operations from strain selection to biofuel production. Additionally, strategies to enhance lipid accumulation by incorporating genetic, and metabolic engineering and the use of leftover biomass for harnessing bio-products have been discussed. Besides, implementing a biorefinery for extracting oil followed by utilizing leftover biomass to generate value-added products such as nanoparticles, biofertilizers, biochar, and biopharmaceuticals has also been discussed.
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11
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Marinho YF, Oliveira CYB, Malafaia CB, Cahú TB, Oliveira APS, Napoleão TH, Bezerra RS, Paiva PG, Gálvez AO. A circular approach for the efficient recovery of astaxanthin from Haematococcus pluvialis biomass harvested by flocculation and water reusability. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 841:156795. [PMID: 35732235 DOI: 10.1016/j.scitotenv.2022.156795] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Flocculation has been proved an efficient method for microalgal biomass harvesting, but some coagulant agents may have adverse effects on microalgae growth, making the reuse of the medium unfeasible. In this study, Haematococcus pluvialis was harvested by different flocculants, and the feasibility of the reuse of the culture medium was evaluated. Results suggested that both inorganics, polyaluminum chloride (PA) and ferric chloride (FC), and organics, extracted from Moringa oleifera seed (MSE) and chitosan (CH) resulted in efficient flocculation - flocculation efficiency above 99 %. However, using PA and FC had adverse effects on the astaxanthin recovery from haematocysts - losses of 58.6 and 73.5 %, respectively. Bioflocculants in the reused medium also had higher growth performance than inorganic ones. Furthermore, bioflocculants in reused medium increase the contents of β-carotene, astaxanthin, and linolenic acid. This investigation demonstrated that using MSE and CHI for harvesting H. pluvialis enables the water reusability from a flocculated medium.
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Affiliation(s)
- Yllana F Marinho
- Centro de Ciências Humanas, Naturais, Saúde e Tecnologia, Universidade Federal do Maranhão, 65200-000 Pinheiro, Maranhão, Brazil
| | - Carlos Yure B Oliveira
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, 52171-900 Recife, Pernambuco, Brazil.
| | - Carolina B Malafaia
- Centro de Tecnologias Estratégicas do Nordeste, Av. Prof. Luís Freire, 01, Cidade Universitária, CEP 50.740-540 Recife, PE, Brazil
| | - Thiago B Cahú
- Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Ana Patrícia S Oliveira
- Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Thiago H Napoleão
- Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Ranilson S Bezerra
- Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Patrícia G Paiva
- Departamento de Bioquímica, Universidade Federal de Pernambuco, 50670-420 Recife, Pernambuco, Brazil
| | - Alfredo O Gálvez
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, 52171-900 Recife, Pernambuco, Brazil
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12
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A Fast-Growing Oleaginous Strain of Coelastrella Capable of Astaxanthin and Canthaxanthin Accumulation in Phototrophy and Heterotrophy. Life (Basel) 2022; 12:life12030334. [PMID: 35330084 PMCID: PMC8955800 DOI: 10.3390/life12030334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/08/2022] [Accepted: 02/21/2022] [Indexed: 12/23/2022] Open
Abstract
Considering the importance of microalgae as a promising feedstock for the production of both low- and high-value products, such as lipids and pigments, it is desirable to isolate strains which simultaneously accumulate these two types of products and grow in various conditions in order to widen their biotechnological applicability. A novel freshwater strain from the genus Coelastrella was isolated in Belgium. Compared to other Coelastrella species, the isolate presented rapid growth in phototrophy, dividing 3.5 times per day at a light intensity of 400 µmol·m−2·s−1 and 5% CO2. In addition, nitrogen depletion was associated with the accumulation of astaxanthin, canthaxanthin, and fatty acids, which reached ~30% of dry weight, and a majority of SFAs and MUFAs, which are good precursors for biodiesel. This strain also accumulated astaxanthin and canthaxanthin in heterotrophy. Although the content was very low in this latter condition, it is an interesting feature considering the biotechnological potential of the microalgal heterotrophic growth. Thus, due to its rapid growth in the light, its carotenogenesis, and its fatty acids characteristics, the newly identified Coelastrella strain could be considered as a potential candidate for biorefinery purposes of both low- and high-values products.
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13
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Lyu X, Lyu Y, Yu H, Chen W, Ye L, Yang R. Biotechnological advances for improving natural pigment production: a state-of-the-art review. BIORESOUR BIOPROCESS 2022; 9:8. [PMID: 38647847 PMCID: PMC10992905 DOI: 10.1186/s40643-022-00497-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/17/2022] [Indexed: 12/14/2022] Open
Abstract
In current years, natural pigments are facing a fast-growing global market due to the increase of people's awareness of health and the discovery of novel pharmacological effects of various natural pigments, e.g., carotenoids, flavonoids, and curcuminoids. However, the traditional production approaches are source-dependent and generally subject to the low contents of target pigment compounds. In order to scale-up industrial production, many efforts have been devoted to increasing pigment production from natural producers, via development of both in vitro plant cell/tissue culture systems, as well as optimization of microbial cultivation approaches. Moreover, synthetic biology has opened the door for heterologous biosynthesis of pigments via design and re-construction of novel biological modules as well as biological systems in bio-platforms. In this review, the innovative methods and strategies for optimization and engineering of both native and heterologous producers of natural pigments are comprehensively summarized. Current progress in the production of several representative high-value natural pigments is also presented; and the remaining challenges and future perspectives are discussed.
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Affiliation(s)
- Xiaomei Lyu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Yan Lyu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Hongwei Yu
- Institute of Bioengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, People's Republic of China
| | - WeiNing Chen
- School of Chemical and Biomedical Engineering, College of Engineering, Nanyang Technological University, Singapore, 637459, Singapore
| | - Lidan Ye
- Institute of Bioengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, People's Republic of China.
| | - Ruijin Yang
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, People's Republic of China.
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14
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Koutsoumanis K, Allende A, Alvarez‐Ordóñez A, Bolton D, Bover‐Cid S, Chemaly M, Davies R, De Cesare A, Hilbert F, Lindqvist R, Nauta M, Peixe L, Ru G, Simmons M, Skandamis P, Suffredini E, Cocconcelli PS, Fernández Escámez PS, Prieto‐Maradona M, Querol A, Sijtsma L, Evaristo Suarez J, Sundh I, Vlak J, Barizzone F, Hempen M, Herman L. Update of the list of QPS‐recommended biological agents intentionally added to food or feed as notified to EFSA 15: suitability of taxonomic units notified to EFSA until September 2021. EFSA J 2022; 20:e07045. [PMID: 35126735 PMCID: PMC8792879 DOI: 10.2903/j.efsa.2022.7045] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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