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Pérez-Alva A, MacIntosh A, Baigts-Allende D, García-Torres R, Ramírez-Rodrigues M. Fermentation of algae to enhance their bioactive activity: A review. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102684] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Zheng Y, Li Y, Yang Y, Zhang Y, Wang D, Wang P, Wong ACY, Hsieh YSY, Wang D. Recent Advances in Bioutilization of Marine Macroalgae Carbohydrates: Degradation, Metabolism, and Fermentation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:1438-1453. [PMID: 35089725 DOI: 10.1021/acs.jafc.1c07267] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Marine macroalgae are considered renewable natural resources due to their high carbohydrate content, which gives better utilization value in biorefineries and higher value conversion than first- and second-generation biomass. However, due to the diverse composition, complex structure, and rare metabolic pathways of macroalgae polysaccharides, their bioavailability needs to be improved. In recent years, enzymes and pathways related to the degradation and metabolism of macroalgae polysaccharides have been continuously developed, and new microbial fermentation platforms have emerged. Aiming at the bioutilization and transformation of macroalgae resources, this review describes the latest research results from the direction of green degradation, biorefining, and metabolic pathway design, including summarizing the the latest biorefining technology and the fermentation platform design of agarose, alginate, and other polysaccharides. This information will provide new research directions and solutions for the biotransformation and utilization of marine macroalgae.
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Affiliation(s)
- Yuting Zheng
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yanping Li
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yuanyuan Yang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Ye Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Di Wang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Peiyao Wang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Ann C Y Wong
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan
| | - Yves S Y Hsieh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan
- Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), AlbaNova University Centre, 11421 Stockholm, Sweden
| | - Damao Wang
- College of Food Science, Southwest University, Chongqing 400715, China
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Jung KM, Park J, Jang J, Jung SH, Lee SH, Kim SR. Characterization of Cold-Tolerant Saccharomyces cerevisiae Cheongdo Using Phenotype Microarray. Microorganisms 2021; 9:microorganisms9050982. [PMID: 33946617 PMCID: PMC8147183 DOI: 10.3390/microorganisms9050982] [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: 03/25/2021] [Revised: 04/23/2021] [Accepted: 04/27/2021] [Indexed: 01/29/2023] Open
Abstract
The cold-tolerant yeast Saccharomyces cerevisiae is industrially useful for lager fermentation, high-quality wine, and frozen dough production. S. cerevisiae Cheongdo is a recent isolate from frozen peach samples which has a good fermentation performance at low temperatures and desirable flavor profiles. Here, phenotype microarray was used to investigate industrial potentials of S. cerevisiae Cheongdo using 192 carbon sources. Compared to commercial wine yeast S. cerevisiae EC1118, Cheongdo showed significantly different growth rates on 34 substrates. The principal component analysis of the results highlighted that the better growth of Cheongdo on galactose than on EC1118 was the most significant difference between the two strains. The intact GAL4 gene and the galactose fermentation performance at a low temperatures suggested that S. cerevisiae Cheongdo is a promising host for industrial fermentation rich in galactose, such as lactose and agarose.
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Affiliation(s)
- Kyung-Mi Jung
- Cheongdo Peach Research Institute, Gyeongsangbuk-Do Agricultural Technology Administration, Cheongdo 38315, Korea;
| | - Jongbeom Park
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (J.P.); (J.J.); (S.-H.J.); (S.H.L.)
| | - Jueun Jang
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (J.P.); (J.J.); (S.-H.J.); (S.H.L.)
| | - Seok-Hwa Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (J.P.); (J.J.); (S.-H.J.); (S.H.L.)
| | - Sang Han Lee
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (J.P.); (J.J.); (S.-H.J.); (S.H.L.)
| | - Soo Rin Kim
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Korea; (J.P.); (J.J.); (S.-H.J.); (S.H.L.)
- Correspondence: ; Tel.: +82-(53)-950-7769
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Bhati N, Shreya, Sharma AK. Cost‐effective cellulase production, improvement strategies, and future challenges. J FOOD PROCESS ENG 2020. [DOI: 10.1111/jfpe.13623] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nikita Bhati
- Department of Bioscience and Biotechnology Banasthali Vidyapith Vanasthali India
| | - Shreya
- Department of Bioscience and Biotechnology Banasthali Vidyapith Vanasthali India
| | - Arun Kumar Sharma
- Department of Bioscience and Biotechnology Banasthali Vidyapith Vanasthali India
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Enhancement of Galactose Uptake from Kappaphycus alvarezii Using Saccharomyces cerevisiae through Deletion of Negative Regulators of GAL Genes. Appl Biochem Biotechnol 2020; 193:577-588. [PMID: 33043399 DOI: 10.1007/s12010-020-03434-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/29/2020] [Indexed: 10/23/2022]
Abstract
This study was aimed at enhancing galactose consumption from the red seaweed Kappaphycus alvarezii. The optimal pretreatment condition of thermal acid hydrolysis was treated with 350 mM HNO3 for 60 min at 121 °C. The enzymatic saccharification with a 1:1 mixture of Celluclast 1.5 L and Viscozyme L showed the maximum yield of glucose; 42-g/L monosaccharide concentration was obtained with the highest yield of pretreatment and enzymatic saccharification (EPS) and the lowest inhibitory compound concentration. The deletion of the GAL80, MIG1, CYC8, or TUP1 gene was performed to improve the galactose consumption rate. The strains with the deletion of the MIG1 gene (mig1Δ) showed higher galactose consumption rate and ethanol yield than other strains. High transcription levels of regulatory genes revealed that the mig1Δ relieved glucose repression. These results show that the mig1Δ enhances galactose consumption rate from K. alvarezii.
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Sukwong P, Sunwoo IY, Jeong DY, Kim SR, Jeong GT, Kim SK. Enhancement of bioethanol production from Gracilaria verrucosa by Saccharomyces cerevisiae through the overexpression of SNR84 and PGM2. Bioprocess Biosyst Eng 2019; 42:1421-1433. [PMID: 31055665 DOI: 10.1007/s00449-019-02139-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 04/26/2019] [Indexed: 12/13/2022]
Abstract
A total monosaccharide concentration of 47.0 g/L from 12% (w/v) Gracilaria verrucosa was obtained by hyper thermal acid hydrolysis with 0.2 M HCl at 140°C for 15 min and enzymatic saccharification with CTec2. To improve galactose utilization, we overexpressed two genes, SNR84 and PGM2, in a Saccharomyces cerevisiae CEN-PK2 using CRISPR/Cas-9. The overexpression of both SNR84 and PGM2 improved galactose utilization and ethanol production compared to the overexpression of each gene alone. The overexpression of both SNR84 and PGM2 and of PGM2 and SNR84 singly in S. cerevisiae CEN-PK2 Cas9 produced 20.0, 18.5, and 16.5 g/L ethanol with ethanol yield (YEtOH) values of 0.43, 0.39, and 0.35, respectively. However, S. cerevisiae CEN-PK2 adapted to high concentration of galactose consumed galactose completely and produced 22.0 g/L ethanol at a YEtOH value of 0.47. The overexpression of both SNR84 and PGM2 increased the transcriptional levels of GAL and regulatory genes; however, the transcriptional levels of these genes were lower than those in S. cerevisiae adapted to high galactose concentrations.
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Affiliation(s)
- Pailin Sukwong
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - In Yung Sunwoo
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - Deok Yeol Jeong
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu, 37224, South Korea
| | - Soo Rin Kim
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu, 37224, South Korea
| | - Gwi-Taek Jeong
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - Sung-Koo Kim
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea.
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Lee YG, Seo JH. Production of 2,3-butanediol from glucose and cassava hydrolysates by metabolically engineered industrial polyploid Saccharomyces cerevisiae. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:204. [PMID: 31485270 PMCID: PMC6714309 DOI: 10.1186/s13068-019-1545-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 08/17/2019] [Indexed: 05/05/2023]
Abstract
BACKGROUND 2,3-Butanediol (2,3-BDO) is a valuable chemical for industrial applications. Bacteria can produce 2,3-BDO with a high productivity, though most of their classification as pathogens makes them undesirable for the industrial-scale production. Though Saccharomyces cerevisiae (GRAS microorganism) was engineered to produce 2,3-BDO efficiently in the previous studies, their 2,3-BDO productivity, yield, and titer were still uncompetitive compared to those of bacteria production. Thus, we propose an industrial polyploid S. cerevisiae as a host for efficient production of 2,3-BDO with high growth rate, rapid sugar consumption rate, and resistance to harsh conditions. Genetic manipulation tools for polyploid yeast had been limited; therefore, we engineered an industrial polyploid S. cerevisiae strain based on the CRISPR-Cas9 genome-editing system to produce 2,3-BDO instead of ethanol. RESULTS Endogenous genes coding for pyruvate decarboxylase and alcohol dehydrogenase were partially disrupted to prevent declined growth rate and C2-compound limitation. A bacterial 2,3-BDO-producing pathway was also introduced in engineered polyploid S. cerevisiae. A fatal redox imbalance was controlled through the heterologous NADH oxidase from Lactococcus lactis during the 2,3-BDO production. The resulting strain (YG01_SDBN) still retained the beneficial traits as polyploid strains for the large-scale fermentation. The combination of partially disrupted PDC (pyruvate decarboxylase) and ADH (alcohol dehydrogenase) did not cause the severe growth defects typically found in all pdc- or adh-deficient yeast. The YG01_SDBN strain produced 178 g/L of 2,3-BDO from glucose with an impressive productivity (2.64 g/L h). When a cassava hydrolysate was used as a sole carbon source, this strain produced 132 g/L of 2,3-BDO with a productivity of 1.92 g/L h. CONCLUSIONS The microbial production of 2,3-BDO has been limited to bacteria and haploid laboratorial S. cerevisiae strains. This study suggests that an industrial polyploid S. cerevisiae (YG01_SDBN) can produce high concentration of 2,3-BDO with various advantages. Integration of metabolic engineering of the industrial yeast at the gene level with optimization of fed-batch fermentation at the process scale resulted in a remarkable achievement of 2,3-BDO production at 178 g/L of 2,3-BDO concentration and 2.64 g/L h of productivity. Furthermore, this strain could make a bioconversion of a cassava hydrolysate to 2,3-BDO with economic and environmental benefits. The engineered industrial polyploid strain could be applicable to production of biofuels and biochemicals in large-scale fermentations particularly when using modified CRISPR-Cas9 tools.
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Affiliation(s)
- Ye-Gi Lee
- Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826 Republic of Korea
| | - Jin-Ho Seo
- Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul, 08826 Republic of Korea
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Abstract
The rapid depletion and environmental concerns associated with the use of fossil fuels has led to extensive development of biofuels such as bioethanol from seaweeds. The long-term prospect of seaweed bioethanol production however, depends on the selection of processes in the hydrolysis and fermentation stages due to their limiting effect on ethanol yield. This review explored the factors influencing the hydrolysis and fermentation stages of seaweed bioethanol production with emphasis on process efficiency and sustainable application. Seaweed carbohydrate contents which are most critical for ethanol production substrate selection were 52 ± 6%, 55 ± 12% and 57 ± 13% for green, brown and red seaweeds, respectively. Inhibitor formation and polysaccharide selectivity were found to be the major bottlenecks influencing the efficiency of dilute acid and enzymatic hydrolysis, respectively. Current enzyme preparations used, were developed for starch-based and lignocellulosic biomass but not seaweeds, which differs in polysaccharide composition and structure. Also, the identification of fermenting organisms capable of converting the heterogeneous monomeric sugars in seaweeds is the major factor limiting ethanol yield during the fermentation stage and not the SHF or SSF pathway selection. This has resulted in variations in bioethanol yields, ranging from 0.04 g/g DM to 0.43 g/g DM.
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Multi-omic characterization of laboratory-evolved Saccharomyces cerevisiae HJ7-14 with high ability of algae-based ethanol production. Appl Microbiol Biotechnol 2018; 102:8989-9002. [PMID: 30121750 DOI: 10.1007/s00253-018-9306-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/28/2018] [Accepted: 08/02/2018] [Indexed: 10/28/2022]
Abstract
In this study, an evolved Saccharomyces cerevisiae HJ7-14 with high ability of algae-based ethanol production was characterized by multi-omic approaches. Genome sequencing of the HJ7-14 revealed a point mutation in the GAL83 gene (G703A) involved in the catabolite repression as well as the galactose metabolism. Cultural and transcriptional analyses of a S. cerevisiae mutant with chromosomal GAL83(G703A) indicated that the catabolite repression onto the galactose metabolism was considerably relieved in all cell growth stages. Untargeted metabolomic approach revealed that metabolic phenotypes between the control D452-2 and HJ7-14 strains were clearly discriminated in time-dependent manner. Especially in early growth stage at 6 h, the HJ7-14 showed dramatic and coordinated alteration in central carbon and amino acid metabolisms. Through metabolomic re-organization, fold changes in fatty acid metabolism and metabolites related to stress response system were also found upon glucose depletion and active galactose utilization. Multi-omic characterization using genome sequencing, transcription, and metabolome profiling clearly unveiled that the GAL83 gene mutation partially relieved glucose-dependent catabolite repression and allowed the evolved HJ7-14 to efficiently convert algal sugars to ethanol. Our finding could be applicable for engineering of S. cerevisiae able to covert red algal biomass to other biofuels and biochemicals.
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Mohd Azhar SH, Abdulla R. Bioethanol production from galactose by immobilized wild-type Saccharomyces cerevisiae. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.04.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Enhanced production of xylitol from xylose by expression of Bacillus subtilis arabinose:H + symporter and Scheffersomyces stipitis xylose reductase in recombinant Saccharomyces cerevisiae. Enzyme Microb Technol 2017; 107:7-14. [DOI: 10.1016/j.enzmictec.2017.07.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/28/2017] [Accepted: 07/29/2017] [Indexed: 11/17/2022]
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Seong YJ, Lee HJ, Lee JE, Kim S, Lee DY, Kim KH, Park YC. Physiological and Metabolomic Analysis ofIssatchenkia orientalisMTY1 With Multiple Tolerance for Cellulosic Bioethanol Production. Biotechnol J 2017; 12. [DOI: 10.1002/biot.201700110] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/23/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Yeong-Je Seong
- Department of Bio and Fermentation Convergence Technology and BK21 Plus Program, Kookmin University; Seoul 136-702 Korea
| | - Hye-Jin Lee
- Department of Bio and Fermentation Convergence Technology and BK21 Plus Program, Kookmin University; Seoul 136-702 Korea
| | - Jung-Eun Lee
- Department of Bio and Fermentation Convergence Technology and BK21 Plus Program, Kookmin University; Seoul 136-702 Korea
| | - Sooah Kim
- Department of Biotechnology, Graduate School, Korea University; Seoul 136-713 Korea
| | - Do Yup Lee
- Department of Bio and Fermentation Convergence Technology and BK21 Plus Program, Kookmin University; Seoul 136-702 Korea
| | - Kyoung Heon Kim
- Department of Biotechnology, Graduate School, Korea University; Seoul 136-713 Korea
| | - Yong-Cheol Park
- Department of Bio and Fermentation Convergence Technology and BK21 Plus Program, Kookmin University; Seoul 136-702 Korea
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Kim SJ, Kim JW, Lee YG, Park YC, Seo JH. Metabolic engineering of Saccharomyces cerevisiae for 2,3-butanediol production. Appl Microbiol Biotechnol 2017; 101:2241-2250. [DOI: 10.1007/s00253-017-8172-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 01/31/2017] [Accepted: 02/02/2017] [Indexed: 01/04/2023]
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Jo SE, Seong YJ, Lee HS, Lee SM, Kim SJ, Park K, Park YC. Microaerobic conversion of xylose to ethanol in recombinant Saccharomyces cerevisiae SX6 MUT expressing cofactor-balanced xylose metabolic enzymes and deficient in ALD6. J Biotechnol 2016; 227:72-78. [DOI: 10.1016/j.jbiotec.2016.04.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 03/27/2016] [Accepted: 04/04/2016] [Indexed: 11/30/2022]
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Behera SS, Ray RC. Solid state fermentation for production of microbial cellulases: Recent advances and improvement strategies. Int J Biol Macromol 2016; 86:656-69. [DOI: 10.1016/j.ijbiomac.2015.10.090] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2015] [Revised: 10/28/2015] [Accepted: 10/29/2015] [Indexed: 12/23/2022]
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