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Elgahwash RGA, Blažić M, Balaž AM, Prodanović R. Lactobionic acid production via mutant cellobiose dehydrogenase/laccase continuous enzymatic regeneration of electron acceptors. BIOCATAL BIOTRANSFOR 2023. [DOI: 10.1080/10242422.2023.2195037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
Affiliation(s)
| | - Marija Blažić
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
| | - Ana Marija Balaž
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
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Hossain S, Khetra Y, Dularia C, Meena GS, Arora S. Symbiotic fermentation study of Acetobacter orientalis and lactic acid bacteria for lactobionic acid enriched yoghurt production. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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3
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Liu L, Li JT, Li SH, Liu LP, Wu B, Wang YW, Yang SH, Chen CH, Tan FR, He MX. The potential use of Zymomonas mobilis for the food industry. Crit Rev Food Sci Nutr 2022; 64:4134-4154. [PMID: 36345974 DOI: 10.1080/10408398.2022.2139221] [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] [Indexed: 11/10/2022]
Abstract
Zymomonas mobilis is a gram-negative facultative anaerobic spore, which is generally recognized as a safe. As a promising ethanologenic organism for large-scale bio-ethanol production, Z. mobilis has also shown a good application prospect in food processing and food additive synthesis for its unique physiological characteristics and excellent industrial characteristics. It not only has obvious advantages in food processing and becomes the biorefinery chassis cell for food additives, but also has a certain healthcare effect on human health. Until to now, most of the research is still in theory and laboratory scale, and further research is also needed to achieve industrial production. This review summarized the physiological characteristics and advantages of Z. mobilis in food industry for the first time and further expounds its research status in food industry from three aspects of food additive synthesis, fermentation applications, and prebiotic efficacy, it will provide a theoretical basis for its development and applications in food industry. This review also discussed the shortcomings of its practical applications in the current food industry, and explored other ways to broaden the applications of Z. mobilis in the food industry, to promote its applications in food processing.
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Affiliation(s)
- Lu Liu
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
- College of Food and Bioengineering, Chengdu University, Chengdu, P.R. China
| | - Jian-Ting Li
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Sheng-Hao Li
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Lin-Pei Liu
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Bo Wu
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Yan-Wei Wang
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Shi-Hui Yang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, and School of Life Sciences, Hubei University, Wuhan, Hubei, P.R. China
| | - Cheng-Han Chen
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Fu-Rong Tan
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
| | - Ming-Xiong He
- Biomass Energy Technology Research Centre, Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture and Rural Affairs), Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu, P.R. China
- College of Food and Bioengineering, Chengdu University, Chengdu, P.R. China
- Institute of Ecological Environment, Chengdu University of Technology, Chengdu, P.R. China
- Chengdu National Agricultural Science and Technology Center, Chengdu, P.R. China
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Production of lactobionic acid at high salt concentrations by Acinetobacter halotolerans isolated from seaside soil. Bioprocess Biosyst Eng 2022; 45:1683-1691. [PMID: 35982174 DOI: 10.1007/s00449-022-02773-1] [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: 05/25/2022] [Accepted: 08/06/2022] [Indexed: 11/02/2022]
Abstract
A lactobionic acid (LBA)-producing bacterium isolated from seaside soils was identified as Acinetobacter halotolerans and designated as strain KRICT-1. We determined whether KRICT-1 can produce LBA at high salt concentrations. The KRICT-1 strain grew on a nutrient broth (NB) agar plate with up to 7.0% NaCl, indicating high NaCl tolerance, and 30 °C was the optimum growth temperature for LBA production. We produced LBA using the KRICT-1 strain in NB medium containing various concentrations of NaCl. While Pseudomonas taetrolens, an efficient LBA-producing bacterium, could produce LBA with up to 5.5% NaCl, the KRICT-1 strain could produce LBA at up to 7.0% NaCl and produced more LBA than P. taetrolens with over 5.5% NaCl. We produced LBA using NB medium containing 7.0% NaCl by batch fermentation of the KRICT-1 strain in a 5 L fermenter. The LBA production titer and productivity of the KRICT-1 strain were 32.1 g/L and 0.22 g/L/h, respectively, which were approximately 1.35- and 1.38-fold higher than those (23.7 g/L and 0.16 g/L/h) obtained from flask culture. Additionally, quinoprotein glucose dehydrogenase is an LBA-producing enzyme in A. halotolerans. We demonstrated that the A. halotolerans KRICT-1 strain is appropriate for LBA production at high salt concentrations.
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Vera C, Guerrero C, Illanes A. Trends in lactose-derived bioactives: synthesis and purification. SYSTEMS MICROBIOLOGY AND BIOMANUFACTURING 2022; 2:393-412. [PMID: 38624767 PMCID: PMC8776390 DOI: 10.1007/s43393-021-00068-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/21/2021] [Accepted: 11/22/2021] [Indexed: 12/11/2022]
Abstract
Lactose obtained from cheese whey is a low value commodity despite its great potential as raw material for the production of bioactive compounds. Among them, prebiotics stand out as valuable ingredients to be added to food matrices to build up functional foods, which currently represent the most active sector within the food industry. Functional foods market has been growing steadily in the recent decades along with the increasing awareness of the World population about healthy nutrition, and this is having a strong impact on lactose-derived bioactives. Most of them are produced by enzyme biocatalysis because of molecular precision and environmental sustainability considerations. The current status and outlook of the production of lactose-derived bioactive compounds is presented with special emphasis on downstream operations which are critical because of the rather modest lactose conversion and product yields that are attainable. Even though some of these products have already an established market, there are still several challenges referring to the need of developing better catalysts and more cost-effective downstream operations for delivering high quality products at affordable prices. This technological push is expected to broaden the spectrum of lactose-derived bioactive compounds to be produced at industrial scale in the near future. Graphical abstract
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Affiliation(s)
- Carlos Vera
- Department of Biology, Faculty of Chemistry and Biology, Universidad de Santiago de Chile, (USACH), Santiago, Chile
| | - Cecilia Guerrero
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaiso, Chile
| | - Andrés Illanes
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso (PUCV), Valparaiso, Chile
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Oh YR, Jang YA, Lee SS, Kim JH, Hong SH, Han JJ, Eom GT. Enhancement of Lactobionic Acid Productivity by Homologous Expression of Quinoprotein Glucose Dehydrogenase in Pseudomonas taetrolens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:12336-12344. [PMID: 33103429 DOI: 10.1021/acs.jafc.0c04246] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This is the first study on improving lactobionic acid (LBA) production capacity in Pseudomonas taetrolens by genetic engineering. First, quinoprotein glucose dehydrogenase (GDH) was identified as the lactose-oxidizing enzyme of P. taetrolens. Of the two types of GDH genes in P. taetrolens, membrane-bound (GDH1) and soluble (GDH2), only GDH1 showed lactose-oxidizing activity. Next, the genetic tool system for P. taetrolens was developed based on the pDSK519 plasmid for the first time, and GDH1 gene was homologously expressed in P. taetrolens. Recombinant expression of the GDH1 gene enhanced intracellular lactose-oxidizing activity and LBA production of P. taetrolens in flask culture. In batch fermentation of the recombinant P. taetrolens using a 5 L bioreactor, the LBA productivity of the recombinant P. taetrolens was approximately 17% higher (8.70 g/(L h)) than that of the wild type (7.41 g/(L h)). The LBA productivity in this study is the highest ever reported using bacteria as production strains for LBA.
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Affiliation(s)
- Yu-Ri Oh
- Bio-based Chemistry Research Center, Korea Research Institute of Chemical Technology (KRICT), 406-30, Jongga-ro, Ulsan 44429, Republic of Korea
| | - Young-Ah Jang
- Bio-based Chemistry Research Center, Korea Research Institute of Chemical Technology (KRICT), 406-30, Jongga-ro, Ulsan 44429, Republic of Korea
| | - Seung Soo Lee
- Bio-based Chemistry Research Center, Korea Research Institute of Chemical Technology (KRICT), 406-30, Jongga-ro, Ulsan 44429, Republic of Korea
| | - Jang-Ho Kim
- Bio-based Chemistry Research Center, Korea Research Institute of Chemical Technology (KRICT), 406-30, Jongga-ro, Ulsan 44429, Republic of Korea
| | - Soon Ho Hong
- School of Chemical Engineering, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan 680-749, Republic of Korea
| | - Jeong Jun Han
- GF Fermentech, Inc., 74-12, Geumhoseonmal-gil, Bugang-myeon, Sejong-si 30077, Republic of Korea
| | - Gyeong Tae Eom
- Bio-based Chemistry Research Center, Korea Research Institute of Chemical Technology (KRICT), 406-30, Jongga-ro, Ulsan 44429, Republic of Korea
- Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
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Oh YR, Jang YA, Hong SH, Han JJ, Eom GT. Efficient production of lactobionic acid using genetically engineered Pseudomonas taetrolens as a whole-cell biocatalyst. Enzyme Microb Technol 2020; 141:109668. [DOI: 10.1016/j.enzmictec.2020.109668] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/07/2020] [Accepted: 09/09/2020] [Indexed: 12/15/2022]
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8
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High lactobionic acid production by immobilized Zymomonas mobilis cells: a great step for large-scale process. Bioprocess Biosyst Eng 2020; 43:1265-1276. [PMID: 32172349 DOI: 10.1007/s00449-020-02323-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 03/04/2020] [Indexed: 10/24/2022]
Abstract
Lactobionic acid and sorbitol are produced from lactose and fructose in reactions catalyzed by glucose-fructose oxidoreductase and glucono-δ-lactonase, periplasmic enzymes present in Zymomonas mobilis cells. Considering the previously established laboratory-scale process parameters, the bioproduction of lactobionic acid was explored to enable the transfer of this technology to the productive sector. Aspects such as pH, temperature, reuse and storage conditions of Ca-alginate immobilized Z. mobilis cells, and large-scale bioconversion were assessed. Greatest catalyst performance was observed between pH range of 6.4 and 6.8 and from 39 to 43 °C. The immobilized biocatalyst was reused for twenty three 24-h batches preserving the enzymatic activity. The activity was maintained during biocatalyst storage for up to 120 days. Statistically similar results, approximately 510 mmol/L of lactobionic acid, were attained in bioconversion of 0.2 and 3.0 L, indicating the potential of this technique of lactobionic acid production to be scaled up to the industrial level.
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Kim JH, Jang YA, Seong SB, Jang SA, Hong SH, Song JK, Eom GT. High-level production and high-yield recovery of lactobionic acid by the control of pH and temperature in fermentation of Pseudomonas taetrolens. Bioprocess Biosyst Eng 2020; 43:937-944. [DOI: 10.1007/s00449-020-02290-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 01/13/2020] [Indexed: 11/24/2022]
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Cardoso T, Marques C, Dagostin JLA, Masson ML. Lactobionic Acid as a Potential Food Ingredient: Recent Studies and Applications. J Food Sci 2019; 84:1672-1681. [DOI: 10.1111/1750-3841.14686] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Taís Cardoso
- Dept. of Chemical Engineering, Graduate Program in Food EngineeringFederal Univ. of Paraná Av. Francisco Hoffmann dos Santos s/n, P.O. Box 19011 Postal code 81531‐970 Curitiba Paraná State Brazil
| | - Caroline Marques
- Dept. of Chemical Engineering, Graduate Program in Food EngineeringFederal Univ. of Paraná Av. Francisco Hoffmann dos Santos s/n, P.O. Box 19011 Postal code 81531‐970 Curitiba Paraná State Brazil
| | - João Luiz Andreotti Dagostin
- Dept. of Chemical Engineering, Graduate Program in Food EngineeringFederal Univ. of Paraná Av. Francisco Hoffmann dos Santos s/n, P.O. Box 19011 Postal code 81531‐970 Curitiba Paraná State Brazil
| | - Maria Lúcia Masson
- Dept. of Chemical Engineering, Graduate Program in Food EngineeringFederal Univ. of Paraná Av. Francisco Hoffmann dos Santos s/n, P.O. Box 19011 Postal code 81531‐970 Curitiba Paraná State Brazil
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Lin SF, Li CK, Chung YP. Identification of a novel lactose oxidase in Myrmecridium flexuosum NUK-21. FEBS Open Bio 2019; 9:364-373. [PMID: 30761260 PMCID: PMC6356164 DOI: 10.1002/2211-5463.12582] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/17/2018] [Accepted: 12/18/2018] [Indexed: 11/16/2022] Open
Abstract
Lactobionic acid (O‐β‐galactosyl‐(1‐4)‐gluconic acid) (LBA) is a high‐value lactose derivative, produced via oxidation of the reducing terminal of lactose. LBA can be produced by fermentation using certain microorganisms, although subsequent purification is challenging. Therefore, we have attempted to identify an enzyme for possible use in LBA production. Here, we purified a novel lactose oxidase (LOD) to homogeneity from a wheat bran culture of a soil‐isolated fungal strain, Myrmecridium flexuosum NUK‐21. Maximal activity was observed on the wheat bran solid culture after 3 days of NUK‐21 growth, following release from cells at 0.66 unit·mL−1 culture filtrate. This new sugar oxidase was composed of a single polypeptide chain with a molecular mass of 47.2 kDa and was found to contain 2.0 zinc ions per mole of enzyme but no flavin adenine dinucleotide or heme. This enzyme was stable in the pH range 5.5–9.0, with an optimal reaction pH of 7.5. Its optimal reaction temperature was 40 °C, and it was stable up to 50 °C for 1 h at pH 7.5. LOD oxidized disaccharides with reducing‐end glucosyl residues linked by an α or β‐1,4 glucosidic bond. The relative activity of LOD toward lactose, cellobiose and maltose was 100 : 83 : 4, respectively. To the best of our knowledge, this is the first report on the discovery of an LOD based on coenzyme moiety and enzyme substrate specificity.
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Affiliation(s)
- Shuen-Fuh Lin
- Department of Life Sciences National University of Kaohsiung Taiwan
| | - Cheng-Ke Li
- Department of Life Sciences National University of Kaohsiung Taiwan
| | - Yi-Pei Chung
- Department of Life Sciences National University of Kaohsiung Taiwan
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Tian Q, Feng Y, Huang H, Zhang J, Yu Y, Guan Z, Cai Y, Liao X. Production of lactobionic acid from lactose using the cellobiose dehydrogenase-3-HAA-laccase system fromPycnoporussp. SYBC-L10. Lett Appl Microbiol 2018; 67:589-597. [DOI: 10.1111/lam.13070] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 08/17/2018] [Accepted: 09/04/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Q. Tian
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - Y. Feng
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - H. Huang
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - J. Zhang
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - Y. Yu
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - Z. Guan
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - Y. Cai
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
| | - X. Liao
- The Key Laboratory of Industrial Biotechnology; Ministry of Education; School of Biotechnology; Jiangnan University; Wuxi Jiangsu China
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De Giorgi S, Raddadi N, Fabbri A, Gallina Toschi T, Fava F. Potential use of ricotta cheese whey for the production of lactobionic acid by Pseudomonas taetrolens strains. N Biotechnol 2018; 42:71-76. [PMID: 29476816 DOI: 10.1016/j.nbt.2018.02.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 01/08/2018] [Accepted: 02/20/2018] [Indexed: 01/20/2023]
Abstract
Lactobionic acid (LBA) is a fine chemical largely applied in the food, chemical, cosmetics and pharmaceutical industries. Here, its production from ricotta cheese whey (RCW), or scotta, the main by-product obtained from ricotta cheese production process and currently employed mainly for cattle feed, was evaluated. Among seven bacterial species tested, only two Pseudomonas taetrolens strains were selected after preliminary screening in shake-flasks. When autoclaved RCW was used, a lactobionic acid titer of 34.25 ± 2.86 g/l, with a conversion yield (defined as mol LBA/mol of consumed lactose%) of up to 85 ± 7.0%, was obtained after 48 h of batch fermentation in 3 L stirred tank bioreactor. This study is a preliminary investigation on the potential industrial use of scotta as a substrate for bacterial growth and lactobionic acid production that details the possible biotechnological valorization pathways and feasibility of the process.
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Affiliation(s)
- Stefania De Giorgi
- Department of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, Italy; Department of Agricultural and Food Sciences (DiSTAL), University of Bologna, Italy
| | - Noura Raddadi
- Department of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, Italy.
| | - Angelo Fabbri
- Department of Agricultural and Food Sciences (DiSTAL), University of Bologna, Italy
| | | | - Fabio Fava
- Department of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, Italy
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Assessment of different systems for the production of aldonic acids and sorbitol by calcium alginate-immobilized Zymomonas mobilis cells. Bioprocess Biosyst Eng 2017; 41:185-194. [DOI: 10.1007/s00449-017-1856-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 10/13/2017] [Indexed: 11/26/2022]
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16
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Alonso S, Rendueles M, Díaz M. Tunable decoupled overproduction of lactobionic acid in Pseudomonas taetrolens through temperature-control strategies. Process Biochem 2017. [DOI: 10.1016/j.procbio.2017.04.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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García C, Rendueles M, Díaz M. Synbiotic Fermentation for the Co-Production of Lactic and Lactobionic Acids from Residual Dairy Whey. Biotechnol Prog 2017; 33:1250-1256. [DOI: 10.1002/btpr.2507] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 02/28/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Cristina García
- Department of Chemical Engineering and Environmental Technology; University of Oviedo, Faculty of Chemistry; C/Julián Clavería s/n, Oviedo 33071 Spain
| | - Manuel Rendueles
- Department of Chemical Engineering and Environmental Technology; University of Oviedo, Faculty of Chemistry; C/Julián Clavería s/n, Oviedo 33071 Spain
| | - Mario Díaz
- Department of Chemical Engineering and Environmental Technology; University of Oviedo, Faculty of Chemistry; C/Julián Clavería s/n, Oviedo 33071 Spain
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Alonso S, Rendueles M, Díaz M. Simultaneous production of lactobionic and gluconic acid in cheese whey/glucose co-fermentation by Pseudomonas taetrolens. BIORESOURCE TECHNOLOGY 2015; 196:314-323. [PMID: 26253915 DOI: 10.1016/j.biortech.2015.07.092] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Revised: 07/22/2015] [Accepted: 07/23/2015] [Indexed: 06/04/2023]
Abstract
Substrate versatility of Pseudomonas taetrolens was evaluated for the first time in a co-fermentation system combining cheese whey and glucose, glycerol or lactose as co-substrates. Results showed that P. taetrolens displayed different production patterns depending on the co-substrate supplied. Whereas the presence of glucose led to a simultaneous co-production of lactobionic (78g/L) and gluconic acid (8.8g/L), lactose feeding stimulated the overproduction of lactobionic acid from whey with a high specific productivity (1.4g/gh) and yield (100%). Co-substrate supply of glycerol conversely led to reduced lactobionic acid yield (82%) but higher cell densities (1.8g/L), channelling the carbon source towards cell growth and maintenance. Higher carbon availability impaired the metabolic activity as well as membrane integrity, whereas lactose feeding improved the cellular functionality of P. taetrolens. Insights into these mixed carbon source strategies open up the possibility of co-producing lactobionic and gluconic acid into an integrated single-cell biorefinery.
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Affiliation(s)
- Saúl Alonso
- Department of Chemical and Environmental Engineering, Faculty of Chemistry, University of Oviedo, C/Julián Clavería s/n, 33071 Oviedo, Spain
| | - Manuel Rendueles
- Department of Chemical and Environmental Engineering, Faculty of Chemistry, University of Oviedo, C/Julián Clavería s/n, 33071 Oviedo, Spain
| | - Mario Díaz
- Department of Chemical and Environmental Engineering, Faculty of Chemistry, University of Oviedo, C/Julián Clavería s/n, 33071 Oviedo, Spain.
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20
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Geng C, Paukstelis PJ. DNA crystals as vehicles for biocatalysis. J Am Chem Soc 2014; 136:7817-20. [PMID: 24835688 DOI: 10.1021/ja502356m] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Here we demonstrate that protein enzymes captured in the solvent channels of three-dimensional DNA crystals are catalytically active. Using RNase A as a model enzyme system, we show that crystals infused with enzyme can cleave a dinucleotide substrate with similar kinetic restrictions as other immobilized enzyme systems. This new vehicle for immobilized enzymes, created entirely from biomolecules, opens possibilities for developing modular solid-state catalysts that could be both biocompatible and biodegradable.
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Affiliation(s)
- Chun Geng
- Department of Chemistry & Biochemistry, Center for Biomolecular Structure and Organization, and Maryland NanoCenter, University of Maryland , College Park, Maryland 20742, United States
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Alonso S, Rendueles M, Díaz M. Bio-production of lactobionic acid: Current status, applications and future prospects. Biotechnol Adv 2013; 31:1275-91. [DOI: 10.1016/j.biotechadv.2013.04.010] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 04/10/2013] [Accepted: 04/28/2013] [Indexed: 12/19/2022]
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Alonso S, Rendueles M, Díaz M. Feeding strategies for enhanced lactobionic acid production from whey by Pseudomonas taetrolens. BIORESOURCE TECHNOLOGY 2013; 134:134-142. [PMID: 23500570 DOI: 10.1016/j.biortech.2013.01.145] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 01/24/2013] [Accepted: 01/25/2013] [Indexed: 06/01/2023]
Abstract
High-level production of lactobionic acid from whey by Pseudomonas taetrolens under fed-batch fermentation was achieved in this study. Different feeding strategies were evaluated according to the physiological status and fermentation performance of P. taetrolens. A lactobionic acid titer of 164 g/L was obtained under co-feeding conditions affording specific and volumetric productivities of 1.4 g/g h and 2.05 g/L h, respectively. Flow cytometry assessment revealed that P. taetrolens cells exhibited a robust physiological status, which makes them particularly well-suited for employing concentrated nutrient solutions to further prolong the growth and production phases. Such detailed knowledge of the physiological status has been revealed to be a key issue to further support the development of high-yield lactobionic acid production processes under feeding strategies. The present study has demonstrated the feasibility of P. taetrolens to achieve high-level bio-production of lactobionic acid from whey through fed-batch cultivation, suggesting its major potential for industrial-scale implementation.
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Affiliation(s)
- Saúl Alonso
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Faculty of Chemistry, C/Julián Clavería s/n, 33071 Oviedo, Spain
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Malvessi E, Carra S, Pasquali FC, Kern DB, da Silveira MM, Ayub MAZ. Production of organic acids by periplasmic enzymes present in free and immobilized cells of Zymomonas mobilis. ACTA ACUST UNITED AC 2013; 40:1-10. [DOI: 10.1007/s10295-012-1198-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 09/03/2012] [Indexed: 11/29/2022]
Abstract
Abstract
In this work the periplasmic enzymatic complex glucose-fructose oxidoreductase (GFOR)/glucono-δ-lactonase (GL) of permeabilized free or immobilized cells of Zymomonas mobilis was evaluated for the bioconversion of mixtures of fructose and different aldoses into organic acids. For all tested pairs of substrates with permeabilized free-cells, the best enzymatic activities were obtained in reactions with pH around 6.4 and temperatures ranging from 39 to 45 °C. Decreasing enzyme/substrate affinities were observed when fructose was in the mixture with glucose, maltose, galactose, and lactose, in this order. In bioconversion runs with 0.7 mol l−1 of fructose and with aldose, with permeabilized free-cells of Z. mobilis, maximal concentrations of the respective aldonic acids of 0.64, 0.57, 0.51, and 0.51 mol l−1 were achieved, with conversion yields of 95, 88, 78, and 78 %, respectively. Due to the important applications of lactobionic acid, the formation of this substance by the enzymatic GFOR/GL complex in Ca-alginate-immobilized cells was assessed. The highest GFOR/GL activities were found at pH 7.0–8.0 and temperatures of 47–50 °C. However, when a 24 h bioconversion run was carried out, it was observed that a combination of pH 6.4 and temperature of 47 °C led to the best results. In this case, despite the fact that Ca-alginate acts as a barrier for the diffusion of substrates and products, maximal lactobionic acid concentration, conversion yields and specific productivity similar to those obtained with permeabilized free-cells were achieved.
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Affiliation(s)
- Eloane Malvessi
- grid.286784.7 Biotechnology Institute University of Caxias do Sul PO Box 1352 95001-970 Caxias do Sul RS Brazil
- grid.8532.c 0000000122007498 Biotechnology and Biochemical Engineering Laboratory (BiotecLab) Federal University of Rio Grande do Sul State PO Box 15090 91501-970 Porto Alegre RS Brazil
| | - Sabrina Carra
- grid.286784.7 Biotechnology Institute University of Caxias do Sul PO Box 1352 95001-970 Caxias do Sul RS Brazil
| | - Flávia Cristina Pasquali
- grid.286784.7 Biotechnology Institute University of Caxias do Sul PO Box 1352 95001-970 Caxias do Sul RS Brazil
| | - Denise Bizarro Kern
- grid.286784.7 Biotechnology Institute University of Caxias do Sul PO Box 1352 95001-970 Caxias do Sul RS Brazil
| | - Mauricio Moura da Silveira
- grid.286784.7 Biotechnology Institute University of Caxias do Sul PO Box 1352 95001-970 Caxias do Sul RS Brazil
| | - Marco Antônio Záchia Ayub
- grid.8532.c 0000000122007498 Biotechnology and Biochemical Engineering Laboratory (BiotecLab) Federal University of Rio Grande do Sul State PO Box 15090 91501-970 Porto Alegre RS Brazil
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Lactobionic acid: A high value-added lactose derivative for food and pharmaceutical applications. Int Dairy J 2012. [DOI: 10.1016/j.idairyj.2012.05.003] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Alonso S, Rendueles M, Díaz M. Role of dissolved oxygen availability on lactobionic acid production from whey by Pseudomonas taetrolens. BIORESOURCE TECHNOLOGY 2012; 109:140-147. [PMID: 22310213 DOI: 10.1016/j.biortech.2012.01.045] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2011] [Revised: 01/09/2012] [Accepted: 01/10/2012] [Indexed: 05/31/2023]
Abstract
The influence of dissolved oxygen availability on cell growth and lactobionic acid production from whey by Pseudomonas taetrolens has been investigated for the first time. Results from pH-shift bioreactor cultivations have shown that high agitation rate schemes stimulated cell growth, increased pH-shift values and the oxygen uptake rate by cells, whereas lactobionic acid production was negatively affected. Conversely, higher aeration rates than 1.5 Lpm neither stimulated cell growth nor lactobionic acid production (22% lower for an aeration rate of 2 Lpm). Overall insights into bioprocess performance enabled the implementation of 350 rpm as the optimal agitation strategy during cultivation, which increased lactobionic productivity 1.2-fold (0.58-0.7 g/Lh) compared to that achieved at 1000 rpm. Oxygen supply has been shown to be a key bioprocess parameter for enhanced overall efficiency of the system, representing essential information for the implementation of lactobionic acid production at a large scale.
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Affiliation(s)
- Saúl Alonso
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Faculty of Chemistry, C/ Julián Clavería s/n, 33071 Oviedo, Spain
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Alonso S, Rendueles M, Díaz M. Efficient lactobionic acid production from whey by Pseudomonas taetrolens under pH-shift conditions. BIORESOURCE TECHNOLOGY 2011; 102:9730-9736. [PMID: 21862326 DOI: 10.1016/j.biortech.2011.07.089] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2011] [Revised: 07/20/2011] [Accepted: 07/22/2011] [Indexed: 05/31/2023]
Abstract
Lactobionic acid finds applications in the fields of pharmaceuticals, cosmetics and medicine. The production of lactobionic acid from whey by Pseudomonas taetrolens was studied in shake-flasks and in a bioreactor. Shake-flask experiments showed that lactobionic acid was a non-growth associated product. A two-stage pH-shift bioconversion strategy with a pH-uncontrolled above 6.5 during the growth phase and maintained at 6.5 during cumulative production was adopted in bioreactor batch cultures. An inoculation level of 30% promoted high cell culture densities that triggered lactobionic acid production at a rate of 1.12 g/Lh. This methodology displayed efficient bioconversion with cheese whey as an inexpensive substrate for lactobionic acid production.
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Affiliation(s)
- Saúl Alonso
- Department of Chemical Engineering and Environmental Technology, University of Oviedo, Faculty of Chemistry, C/Julián Clavería s/n, 33071 Oviedo, Spain
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