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Zhong H, Zhang M, Chen L, Liu W, Tao Y. Development of Schizochytrium sp. strain HS01 with high-DHA and low-saturated fatty acids production by multi-pronged adaptive evolution. Biotechnol Lett 2023; 45:1147-1157. [PMID: 37341820 DOI: 10.1007/s10529-023-03378-8] [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: 10/31/2022] [Revised: 03/18/2023] [Accepted: 04/04/2023] [Indexed: 06/22/2023]
Abstract
PURPOSE Docosahexaenoic acid (DHA) is an important omega-3 unsaturated fatty acid and has been widely applied in medicine, food additives, and feed ingredients. The fermentative production of DHA using microorganisms, including Schizochytrium sp., attracted much attention due to its high production efficiency and environment friendly properties. An efficient laboratory evolution approach was used to improve the strain's performance in this study. METHODS A multi-pronged laboratory evolution approach was applied to evolve high-yield DHA-producing Schizochytrium strain. We further employed comparative transcriptional analysis to identify transcriptional changes between the screened strain HS01 and its parent strain GS00. RESULTS After multiple generations of ALE, a strain HS01 with higher DHA content and lower saturated fatty acids content was obtained. Low nitrogen conditions were important for enhancing DHA biosynthesis in HS01. The comparative transcriptional analysis results indicated that during the fermentation process of HS01, the expression of key enzymes in the glycolysis, the pentose phosphate pathway and the tricarboxylic acid cycle were up-regulated, while the expression of polyketide synthase genes and fatty acid synthesis genes were similar to those in GS00. CONCLUSION The results suggest that the improved DHA production capacity of HS01 is not due to enhancement of the DHA biosynthesis pathway, but rather related to modulation of central metabolism pathways.
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Affiliation(s)
- Huichang Zhong
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- College of Life Science, University of Chinese Academy of Sciences, Beijing, 100049, China
- Xiamen Huison Biotech Co.,Ltd, Xiamen, 361100, China
| | - Meng Zhang
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Liyi Chen
- Xiamen Huison Biotech Co.,Ltd, Xiamen, 361100, China.
| | - Weifeng Liu
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
- College of Life Science, University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Yong Tao
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
- College of Life Science, University of Chinese Academy of Sciences, Beijing, 100049, China.
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Zhang Q, Miao R, Feng R, Yan J, Wang T, Gan Y, Zhao J, Lin J, Gan B. Application of Atmospheric and Room-Temperature Plasma (ARTP) to Microbial Breeding. Curr Issues Mol Biol 2023; 45:6466-6484. [PMID: 37623227 PMCID: PMC10453651 DOI: 10.3390/cimb45080408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/26/2023] Open
Abstract
Atmospheric and room-temperature plasma (ARTP) is an efficient microbial mutagenesis method with broad application prospects. Compared to traditional methods, ARTP technology can more effectively induce DNA damage and generate stable mutant strains. It is characterized by its simplicity, cost-effectiveness, and avoidance of hazardous chemicals, presenting a vast potential for application. The ARTP technology is widely used in bacterial, fungal, and microalgal mutagenesis for increasing productivity and improving characteristics. In conclusion, ARTP technology holds significant promise in the field of microbial breeding. Through ARTP technology, we can create mutant strains with specific genetic traits and improved performance, thereby increasing yield, improving quality, and meeting market demands. The field of microbial breeding will witness further innovation and progress with continuous refinement and optimization of ARTP technology.
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Affiliation(s)
- Qin Zhang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Renyun Miao
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Rencai Feng
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Junjie Yan
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Tao Wang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Ying Gan
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Jin Zhao
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Junbin Lin
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
| | - Bingcheng Gan
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610299, China; (Q.Z.); (R.M.); (R.F.); (J.Y.); (T.W.); (Y.G.); (J.Z.); (J.L.)
- Chengdu National Agricultural Science and Technology Center, Chengdu 610299, China
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Wang T, Wang F, Zeng L, Guo P, Wu Y, Chen L, Zhang W. Propanol and 1, 3-propanediol enhance fatty acid accumulation synergistically in Schizochytrium ATCC 20888. Front Microbiol 2023; 13:1106265. [PMID: 36845976 PMCID: PMC9947470 DOI: 10.3389/fmicb.2022.1106265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 02/11/2023] Open
Abstract
The effects of propanol and 1, 3-propanediol on fatty acid and biomass accumulation in Schizochytrium ATCC 20888 were explored. Propanol increased the contents of saturated fatty acids and total fatty acids by 55.4 and15.3%, while 1, 3-propanediol elevated the polyunsaturated fatty acids, total fatty acids and biomass contents by 30.7, 17.0, and 6.89%. Although both of them quench ROS to increase fatty acids biosynthesis, the mechanisms are different. The effect of propanol did not reflect on metabolic level while 1, 3-propanediol elevated osmoregulators contents and activated triacylglycerol biosynthetic pathway. The triacylglycerol content and the ratio of polyunsaturated fatty acids to saturated fatty acids were significantly increased by 2.53-fold, which explained the higher PUFA accumulation in Schizochytrium after adding 1, 3- propanediol. At last, the combination of propanol and 1, 3-propanediol further elevated total fatty acids by approximately 1.2-fold without compromising cell growth. These findings are valuable for scale-up production of designed Schizochytrium oil for various application purposes.
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Affiliation(s)
- Tiantian Wang
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China
| | - Fangzhong Wang
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China,Center for Biosafety Research and Strategy, Tianjin University, Tianjin, China,*Correspondence: Fangzhong Wang, ✉
| | - Lei Zeng
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China
| | - Pengfei Guo
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China
| | - Yawei Wu
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China
| | - Lei Chen
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China,Lei Chen, ✉
| | - Weiwen Zhang
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China,Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, China,Center for Biosafety Research and Strategy, Tianjin University, Tianjin, China
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Bi Y, Guo P, Liu L, Chen L, Zhang W. Elucidation of sterol biosynthesis pathway and its co-regulation with fatty acid biosynthesis in the oleaginous marine protist Schizochytrium sp. Front Bioeng Biotechnol 2023; 11:1188461. [PMID: 37180050 PMCID: PMC10174431 DOI: 10.3389/fbioe.2023.1188461] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023] Open
Abstract
Sterols constitute vital structural and regulatory components of eukaryotic cells. In the oleaginous microorganism Schizochytrium sp. S31, the sterol biosynthetic pathway primarily produces cholesterol, stigmasterol, lanosterol, and cycloartenol. However, the sterol biosynthesis pathway and its functional roles in Schizochytrium remain unidentified. Through Schizochytrium genomic data mining and a chemical biology approach, we first in silico elucidated the mevalonate and sterol biosynthesis pathways of Schizochytrium. The results showed that owing to the lack of plastids in Schizochytrium, it is likely to use the mevalonate pathway as the terpenoid backbone pathway to supply isopentenyl diphosphate for the synthesis of sterols, similar to that in fungi and animals. In addition, our analysis revealed a chimeric organization of the Schizochytrium sterol biosynthesis pathway, which possesses features of both algae and animal pathways. Temporal tracking of sterol profiles reveals that sterols play important roles in Schizochytrium growth, carotenoid synthesis, and fatty acid synthesis. Furthermore, the dynamics of fatty acid and transcription levels of genes involved in fatty acid upon chemical inhibitor-induced sterol inhibition reveal possible co-regulation of sterol synthesis and fatty acid synthesis, as the inhibition of sterol synthesis could promote the accumulation of fatty acid in Schizochytrium. Sterol and carotenoid metabolisms are also found possibly co-regulated, as the inhibition of sterols led to decreased carotenoid synthesis through down-regulating the gene HMGR and crtIBY in Schizochytrium. Together, elucidation of the Schizochytrium sterol biosynthesis pathway and its co-regulation with fatty acid synthesis lay the essential foundation for engineering Schizochytrium for the sustainable production of lipids and high-value chemicals.
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Affiliation(s)
- Yali Bi
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China
| | - Pengfei Guo
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China
| | - Liangsen Liu
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China
| | - Lei Chen
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China
| | - Weiwen Zhang
- Laboratory of Synthetic Microbiology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education of China, Tianjin, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, China
- Center for Biosafety Research and Strategy, Tianjin University, Tianjin, China
- *Correspondence: Weiwen Zhang,
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Metabolomic analysis reveals the responses of docosahexaenoic-acid-producing Schizochytrium under hyposalinity conditions. ALGAL RES 2023. [DOI: 10.1016/j.algal.2023.102987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Zhang M, Gao Y, Yu C, Wang J, Weng K, Li Q, He Y, Guo Z, Zhang H, Huang J, Li L. Transcriptome analysis of malate-induced Schizochytrium sp. FJU-512 reveals a novel pathway for biosynthesis of docosahexaenoic acid with enhanced expression of genes responsible for acetyl-CoA and NADPH accumulation. Front Microbiol 2022; 13:1006138. [PMID: 36299719 PMCID: PMC9589357 DOI: 10.3389/fmicb.2022.1006138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/20/2022] [Indexed: 11/21/2022] Open
Abstract
Schizochytrium is one of the few oleaginous microalgae that produce docosahexaenoic acid (DHA)-rich lipids. In this study, global changes in gene expression levels of Schizochytrium sp. FJU-512 cultured with malate in a 15 l-bioreactor was analyzed using comparative transcriptomics. The changes were found mainly in the genes involved in oxidative phosphorylation, β-oxidation, and pentose phosphate pathways. Consequently, the global changes in genes associated with the pathways could lead to an increase in the influx throughputs of pyruvate, branched-chain amino acids, fatty acids, and vitamin B6. Our transcriptome analysis indicated pyruvate dehydrogenase E2 component and acetolactate synthase I/II/III large subunit as major contributors to acetyl-CoA biosynthesis, whereas glucose-6-phosphate dehydrogenase was indicated as the major contributor to the biosynthesis of NADPH. An increase in DHA titer of up to 22% was achieved with the addition of malate to the fed-batch culture of Schizochytrium sp. FJU-512. This study provides an alternate method to enhance DHA production in Schizochytrium sp. FJU-512 through malate induced upregulation of genes responsible for acetyl-CoA and NADPH biosynthesis.
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Affiliation(s)
- Mingliang Zhang
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
- College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - YangLe Gao
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
| | - Cui Yu
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
| | - Jun Wang
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
| | - Kexin Weng
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
| | - Qin Li
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
| | - Yongjin He
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
- College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Zheng Guo
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
| | - Huaidong Zhang
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
- College of Life Sciences, Fujian Normal University, Fuzhou, China
- Huaidong Zhang,
| | - Jianzhong Huang
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
- College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Li Li
- Engineering Research Center of Industrial Microbiology of Ministry of Education, Fujian Normal University, Fuzhou, China
- College of Life Sciences, Fujian Normal University, Fuzhou, China
- *Correspondence: Li Li,
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Nie X, Xing Y, Li Q, Gao F, Wang S, Liu P, Li X, Tan Z, Wang P, Shi H. ARTP mutagenesis promotes selenium accumulation in Saccharomyces boulardii. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Shah S, Li X, Jiang Z, Fahad S, Hassan S. Exploration of the phytohormone regulation of energy storage compound accumulation in microalgae. Food Energy Secur 2022. [DOI: 10.1002/fes3.418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Saud Shah
- College of Life Science, Linyi University Linyi City Shandong China
| | - Xiuling Li
- College of Life Science, Linyi University Linyi City Shandong China
| | - Zhaoyu Jiang
- College of Life Science, Linyi University Linyi City Shandong China
| | - Shah Fahad
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource College of Tropical Crops, Hainan University Haikou Hainan China
- Department of Agronomy University of Haripur Haripur Khyber Pakhtunkhwa Pakistan
| | - Shah Hassan
- Department of Agriculture Extenstion The University of Agriculture Peshawar Haripur Khyber Pakhtunkhwa Pakistan
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Nazir Y, Phabakaran P, Halim H, Mohamed H, Naz T, Abdul Hamid A, Song Y. Strategic Development of Aurantiochytrium sp. Mutants With Superior Oxidative Stress Tolerance and Glucose-6-Phosphate Dehydrogenase Activity for Enhanced DHA Production Through Plasma Mutagenesis Coupled With Chemical Screening. Front Nutr 2022; 9:876649. [PMID: 35558745 PMCID: PMC9087853 DOI: 10.3389/fnut.2022.876649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/11/2022] [Indexed: 12/12/2022] Open
Abstract
Thraustochytrids, such as Aurantiochytrium and Schizochytrium, have been shown as a promising sustainable alternative to fish oil due to its ability to accumulate a high level of docosahexaenoic acid (DHA) from its total fatty acids. However, the low DHA volumetric yield by most of the wild type (WT) strain of thraustochytrids which probably be caused by the low oxidative stress tolerance as well as a limited supply of key precursors for DHA biosynthesis has restricted its application for industrial application. Thus, to enhance the DHA production, we aimed to generate Aurantiochytrium SW1 mutant with high tolerance toward oxidative stress and high glucose-6 phosphate dehydrogenase (G6PDH) activities through strategic plasma mutagenesis coupled with chemical screening. The WT strain (Aurantiochytrium sp. SW1) was initially exposed to plasma radiation and was further challenged with zeocin and polydatin, generating a mutant (YHPM1) with a 30, 65, and 80% higher overall biomass, lipid, and DHA production in comparison with the parental strains, respectively. Further analysis showed that the superior growth, lipid, and DHA biosynthesis of the YHMP1 were attributed not only to the higher G6PDH and enzymes involved in the oxidative defense such as superoxide dismutase (SOD) and catalase (CAT) but also to other key metabolic enzymes involved in lipid biosynthesis. This study provides an effective approach in developing the Aurantiochytrium sp. mutant with superior DHA production capacity that has the potential for industrial applications.
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Affiliation(s)
- Yusuf Nazir
- Colin Ratledge Center for Microbial Lipids, School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China.,Department of Food Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia.,Innovation Centre for Confectionery Technology (MANIS), Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Pranesha Phabakaran
- Colin Ratledge Center for Microbial Lipids, School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Hafiy Halim
- Colin Ratledge Center for Microbial Lipids, School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Hassan Mohamed
- Colin Ratledge Center for Microbial Lipids, School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China.,Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Assiut, Egypt
| | - Tahira Naz
- Colin Ratledge Center for Microbial Lipids, School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Aidil Abdul Hamid
- Department of Bioscience and Biotechnology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Yuanda Song
- Colin Ratledge Center for Microbial Lipids, School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
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