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Zeng D, Zhang Y, Ma X, Li J, Yin F, Li D, Bie W. Biosynthesis of poly(β-L-malic acid) from rubberwood enzymatic hydrolysates in co-fermentation by Aureobasidium pullulans. Int J Biol Macromol 2024; 257:128605. [PMID: 38061508 DOI: 10.1016/j.ijbiomac.2023.128605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 11/27/2023] [Accepted: 12/02/2023] [Indexed: 01/26/2024]
Abstract
Co-fermentation of multiple substrates has emerged as the most effective method to improve the yield of bioproducts. Herein, sustainable rubberwood enzymatic hydrolysates (RWH) were co-fermented by Aureobasidium pullulans to produce poly(β-L-malic acid) (PMA), and RWH + glucose/xylose was also investigated as co-substrates. Owing to low inhibitor concentration and abundant natural nitrogen source content of RWH, a high PMA yield of 0.45 g/g and a productivity of 0.32 g/L/h were obtained by RWH substrate fermentation. After optimization, PMA yields following the fermentation of RWH + glucose and RWH + xylose reached 59.92 g/L and 53.71 g/L, respectively, which were 52 % and 36 % higher than that after the fermentation of RWH. RWH + glucose more significantly affected the correlation between PMA yield and substrate concentration than RWH + xylose. The results demonstrated that the co-fermentation of RWH co-substrate is a promising method for the synthesis of bioproducts.
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Affiliation(s)
- Dongdong Zeng
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Yutian Zhang
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Xiaojun Ma
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China.
| | - Jianing Li
- Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou 571737, PR China
| | - Fen Yin
- College of Mechanical Engineering, Qinghai University, Xining 810016, PR China
| | - Dongna Li
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Wenxuan Bie
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
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Geng C, Jin Z, Gu M, Li J, Tang S, Guo Q, Zhang Y, Zhang W, Li Y, Huang X, Lu X. Microbial production of trans-aconitic acid. Metab Eng 2023; 78:183-191. [PMID: 37315711 DOI: 10.1016/j.ymben.2023.06.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/22/2023] [Accepted: 06/11/2023] [Indexed: 06/16/2023]
Abstract
Trans-aconitic acid (TAA) is a promising bio-based chemical with the structure of unsaturated tricarboxylic acid, and also has the potential to be a non-toxic nematicide as a potent inhibitor of aconitase. However, TAA has not been commercialized because the traditional production processes of plant extraction and chemical synthesis cannot achieve large-scale production at a low cost. The availability of TAA is a serious obstacle to its widespread application. In this study, we developed an efficient microbial synthesis and fermentation production process for TAA. An engineered Aspergillus terreus strain producing cis-aconitic acid and TAA was constructed by blocking itaconic acid biosynthesis in the industrial itaconic acid-producing strain. Through heterologous expression of exogenous aconitate isomerase, we further designed a more efficient cell factory to specifically produce TAA. Subsequently, the fermentation process was developed and scaled up step-by-step, achieving a TAA titer of 60 g L-1 at the demonstration scale of a 20 m3 fermenter. Finally, the field evaluation of the produced TAA for control of the root-knot nematodes was performed in a field trial, effectively reducing the damage of the root-knot nematode. Our work provides a commercially viable solution for the green manufacturing of TAA, which will significantly facilitate biopesticide development and promote its widespread application as a bio-based chemical.
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Affiliation(s)
- Ce Geng
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China
| | - Zhigang Jin
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, Shandong, China; Shandong Lukang Pharmaceutical Co. Ltd., Jining, 272021, Shandong, China
| | - Meng Gu
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jibin Li
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, Shandong, China
| | - Shen Tang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China
| | - Qiang Guo
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, Shandong, China
| | - Yunpeng Zhang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China
| | - Wei Zhang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuezhong Li
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237, Shandong, China
| | - Xuenian Huang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Xuefeng Lu
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, 266101, China; Shandong Energy Institute, Qingdao, 266101, Shandong, China; Qingdao New Energy Shandong Laboratory, Qingdao, 266101, Shandong, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Marine Biology and Biotechnology Laboratory, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, Shandong, China.
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Xiao Y, Zhang Y, Xie F, Olsen RH, Shi L, Li L. Inhibition of Plasmid Conjugation in Escherichia coli by Targeting rbsB Gene Using CRISPRi System. Int J Mol Sci 2023; 24:10585. [PMID: 37445761 DOI: 10.3390/ijms241310585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
Bacterial conjugation constitutes a major horizontal gene transfer mechanism for the dissemination of antibiotic-resistant genes (ARGs) among human pathogens. The spread of ARGs can be halted or diminished by interfering with the conjugation process. In this study, we explored the possibility of using an rbsB gene as a single target to inhibit plasmid-mediated horizontal gene transfer in Escherichia coli by CRISPR interference (CRISPRi) system. Three single-guide RNAs (sgRNAs) were designed to target the rbsB gene. The transcriptional levels of the rbsB gene, the conjugation-related genes, and the conjugation efficiency in the CRISPRi strain were tested. We further explored the effect of the repressed expression of the rbsB gene on the quorum sensing (QS) system and biofilm formation. The results showed that the constructed CRISPRi system was effective in repressing the transcriptional level of the rbsB gene at a rate of 66.4%. The repressed expression of the rbsB gene resulted in the reduced conjugation rate of RP4 plasmid by 88.7%, which significantly inhibited the expression of the conjugation-related genes (trbBp, trfAp, traF and traJ) and increased the global regulator genes (korA, korB and trbA). The repressed rbsB gene expression reduced the depletion of autoinducer 2 signals (AI-2) by 12.8% and biofilm formation by a rate of 68.2%. The results of this study indicated the rbsB gene could be used as a universal target for the inhibition of conjugation. The constructed conjugative CRISPRi system has the potential to be used in ARG high-risk areas.
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Affiliation(s)
- Yawen Xiao
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Yan Zhang
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Fengjun Xie
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Rikke Heidemann Olsen
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 1870 Frederiksberg, Denmark
| | - Lei Shi
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Lili Li
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
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Masud MAA, Kim DG, Shin WS. Degradation of phenol using Fe(II)-activated CaO 2: effect of ball-milled activated carbon (AC BM) addition. Environ Res 2022; 214:113882. [PMID: 35931187 DOI: 10.1016/j.envres.2022.113882] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/14/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
In-situ chemical oxidation (ISCO) based on peroxide activation is one of the most promising technologies for removing organic contaminants from natural groundwater (NGW). However, use of the most common form of hydrogen peroxide (H2O2) is limited owing to its significantly rapid reaction rate and heat generation. Therefore, in the present study, the activation of calcium peroxide (CaO2), a slow H2O2 releasing agent, by Fe(II) was proposed (CaO2/Fe(II)), and the phenol degradation mechanisms and feasibility of NGW remediation were investigated. The optimum molar ratio of [phenol]/[CaO2]/[Fe(II)] (phenol = 0.5 mM) was 1/10/10, resulting in 87.0-92.5% phenol removal within 120 min under a broad initial pH range of 3-9. HCO3-, PO43-, and humic acid significantly inhibited degradation, whereas the effects of Cl-, NO3-, and SO42- were negligible. Reactive oxygen species (ROS) were identified based on the results of phenol degradation in the presence of scavengers and electron spin resonance (ESR) spectroscopy, which demonstrated that 1O2 played the dominant role, supported by •OH, in CaO2/Fe(II). Phenol removal in NGW (67.81%) was less than that in distilled and deionized water (DIW, 92.5%) at a [phenol]/[CaO2]/[Fe(II)] ratio of 1/10/10. However, phenol removal was significantly improved (∼100%) by increasing the CaO2 and Fe(II) doses to 1/20/20-40. Furthermore, when 125-250 mg L-1 of ball-milled activated carbon (ACBM) was added (CaO2/Fe(II)-ACBM), phenol removal was enhanced from 67.81% to 90.94-100% in the NGW. CaO2/Fe(II)-ACBM exhibited higher total organic carbon (TOC) removal than CaO2/Fe(II). In addition, no notable by-products were detected using CaO2/Fe(II)-ACBM, whereas the polymerisation products of hydroxylated and/or ring-cleaved compounds, that is, aconitic acid, gallocatechin, and 10-hydroxyaloin, were found in the reaction with CaO2/Fe(II). These results strongly suggest that CaO2/Fe(II)-ACBM is highly promising for groundwater remediation, minimizing degradation byproducts and the adverse effects caused by the NGW components.
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Affiliation(s)
- Md Abdullah Al Masud
- School of Architecture, Civil, Environmental and Energy Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Do Gun Kim
- Department of Environmental Engineering, Sunchon National University, Suncheon, Jeollanam-do, 57922, Republic of Korea.
| | - Won Sik Shin
- School of Architecture, Civil, Environmental and Energy Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea.
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Liu H, Zhao P, Tian P. Engineering Glucose-to-Glycerol Pathway in Klebsiella pneumoniae and Boosting 3-Hydroxypropionic Acid Production Through CRISPR Interference. Front Bioeng Biotechnol 2022; 10:908431. [PMID: 35845395 PMCID: PMC9280265 DOI: 10.3389/fbioe.2022.908431] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/23/2022] [Indexed: 12/02/2022] Open
Abstract
The recent decline of the international biodiesel industry has led to decreased production and therefore increased the price of glycerol, which is a major by-product of biodiesel but a substrate for production of 3-hydroxypropionic acid (3-HP), that is, glycerol as a feedstock has no advantage over glucose in price. Hence, we engineered glucose to the glycerol pathway and improved 3-HP production by CRISPR interference (CRISPRi). To begin with, we cloned the genes encoding glycerol 3-phosphate dehydrogenase (gpd1) and glycerol 3-phosphatase (gpp2) from Saccharomyces cerevisiae, which jointly catalyze glucose into glycerol. The genes gpd1 and gpp2 were co-expressed in K. pneumoniae with the dCas9 gene integrated in genome, and this recombinant strain produced 2 g/L glycerol in the shake flask. To minimize the glucose consumption by competing pathways including the EMP pathway, glycerol oxidation pathway, and by-products pathways, we developed an CRISPRi system in aforementioned recombinant K. pneumoniae strain to inhibit the expression of the glyceraldehyde-3-phosphate dehydrogenase gene (gapA) and 2,3-butanediol production gene (budA), resulting in a bi-functional strain harboring both glucose-to-glycerol pathway and CRISPRi system. Reverse transcription and quantitative PCR (RT-qPCR) results showed that this engineered CRISPRi system transcriptionally inhibited gapA and budA by 82% and 24%, respectively. In shake flask cultivation, this bi-functional strain produced 2.8 g/L glycerol using glucose as the carbon source, which was 46.6% increase compared to the strain without the engineered CRISPRi system. Moreover, this bi-functional strain produced 0.78 g/L 3-HP using glucose as the sole carbon source. In fed-batch cultivation, this bi-functional strain produced 1.77 g/L 3-HP. This study provides insights for co-utilization of distinct carbon sources.
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Affiliation(s)
- Hexin Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Peng Zhao
- College of Bioscience and Resources Environment, Beijing University of Agriculture, Beijing, China
| | - Pingfang Tian
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
- *Correspondence: Pingfang Tian,
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Wan X, Li Q, Olsen RH, Meng H, Zhang Z, Wang J, Zheng H, Li L, Shi L. Engineering a CRISPR interference system targeting AcrAB-TolC efflux pump to prevent multidrug resistance development in Escherichia coli. J Antimicrob Chemother 2022; 77:2158-2166. [PMID: 35642356 DOI: 10.1093/jac/dkac166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 05/06/2022] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES We engineered a CRISPR interference (CRISPRi) system targeting the AcrAB-TolC efflux pump to prevent MDR development in Escherichia coli. METHODS Nine specific single-guide RNAs (sgRNAs) were designed to target the components of the AcrAB-TolC efflux pump, namely AcrA, AcrB and TolC. A total of thirteen CRISPRi recombinant plasmids were constructed with single or clustered sgRNAs. The transcriptional levels of the target genes, MICs of multiple antibiotics and biofilm formation in each CRISPRi strain were tested. RESULTS The CRISPRi system expressing sgRNA clusters targeting acrB and tolC simultaneously exhibited the highest inhibitory effect on AcrAB-TolC efflux pump activity in E. coli HB101, with 78.3%, 90.0% and 65.4% inhibition rates on the transcriptional levels of acrA, acrB and tolC, respectively. The CRISPRi system resulted in ∼2-, ∼8- and 16-fold increased susceptibility to rifampicin, erythromycin and tetracycline, respectively. In addition, the constructed CRISPRi system reduced biofilm formation with inhibition rates in the range of 11.2% to 58.2%. CONCLUSIONS To the best of our knowledge, this is the first report on the construction of an inducible CRISPRi system targeting the AcrAB-TolC efflux pump to prevent MDR development in E. coli. This study provides insights for future regulation and manipulation of AcrAB-TolC activity and bacterial MDR by a CRISPRi system.
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Affiliation(s)
- Xiulin Wan
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Qingyang Li
- College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Rikke Heidemann Olsen
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C, Denmark
| | - Hecheng Meng
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong, China
| | - Zhigang Zhang
- State Key Laboratory of Food Safety Technology for Meat Products, Xiamen Yinxiang Group, Xiamen, China
| | - Junlin Wang
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Hanyu Zheng
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Lili Li
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Lei Shi
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China.,State Key Laboratory of Food Safety Technology for Meat Products, Xiamen Yinxiang Group, Xiamen, China
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Bruni GO, Klasson KT. Aconitic Acid Recovery from Renewable Feedstock and Review of Chemical and Biological Applications. Foods 2022; 11:foods11040573. [PMID: 35206048 PMCID: PMC8871043 DOI: 10.3390/foods11040573] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/03/2022] [Accepted: 02/05/2022] [Indexed: 02/05/2023] Open
Abstract
Aconitic acid (propene-1,2,3-tricarboxylic acid) is the most prevalent 6-carbon organic acid that accumulates in sugarcane and sweet sorghum. As a top value-added chemical, aconitic acid may function as a chemical precursor or intermediate for high-value downstream industrial and biological applications. These downstream applications include use as a bio-based plasticizer, cross-linker, and the formation of valuable and multi-functional polyesters that have also been used in tissue engineering. Aconitic acid also plays various biological roles within cells as an intermediate in the tricarboxylic acid cycle and in conferring unique survival advantages to some plants as an antifeedant, antifungal, and means of storing fixed pools of carbon. Aconitic acid has also been reported as a fermentation inhibitor, anti-inflammatory, and a potential nematicide. Since aconitic acid can be sustainably sourced from renewable, inexpensive sources such as sugarcane, molasses, and sweet sorghum syrup, there is enormous potential to provide multiple streams of additional income to the sugar industry through downstream industrial and biological applications that we discuss in this review.
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Lee JY, Cha S, Lee JH, Lim HG, Noh MH, Kang CW, Jung GY. Plug-in repressor library for precise regulation of metabolic flux in Escherichia coli. Metab Eng 2021; 67:365-372. [PMID: 34333137 DOI: 10.1016/j.ymben.2021.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 07/10/2021] [Accepted: 07/28/2021] [Indexed: 10/20/2022]
Abstract
In metabolic engineering, enhanced production of value-added chemicals requires precise flux control between growth-essential competing and production pathways. Although advances in synthetic biology have facilitated the exploitation of a number of genetic elements for precise flux control, their use requires expensive inducers, or more importantly, needs complex and time-consuming processes to design and optimize appropriate regulator components, case-by-case. To overcome this issue, we devised the plug-in repressor libraries for target-specific flux control, in which expression levels of the repressors were diversified using degenerate 5' untranslated region (5' UTR) sequences employing the UTR Library Designer. After we validated a wide expression range of the repressor libraries, they were applied to improve the production of lycopene from glucose and 3-hydroxypropionic acid (3-HP) from acetate in Escherichia coli via precise flux rebalancing to enlarge precursor pools. Consequently, we successfully achieved optimal carbon fluxes around the precursor nodes for efficient production. The most optimized strains were observed to produce 2.59 g/L of 3-HP and 11.66 mg/L of lycopene, which were improved 16.5-fold and 2.82-fold, respectively, compared to those produced by the parental strains. These results indicate that carbon flux rebalancing using the plug-in library is a powerful strategy for efficient production of value-added chemicals in E. coli.
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Affiliation(s)
- Ji Yeon Lee
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea
| | - Sanghak Cha
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea
| | - Ji Hoon Lee
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea
| | - Hyun Gyu Lim
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea
| | - Myung Hyun Noh
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea
| | - Chae Won Kang
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea
| | - Gyoo Yeol Jung
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea; Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, South Korea.
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