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Kumar K, Singh E, Shrivastava S. Microbial xylitol production. Appl Microbiol Biotechnol 2022; 106:971-979. [PMID: 35089402 DOI: 10.1007/s00253-022-11793-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 12/15/2021] [Accepted: 01/13/2022] [Indexed: 12/01/2022]
Abstract
Xylitol is pentahydroxy sugar alcohol, existing in very trace amount in fruits and vegetables, and finds varied application in industries like food, pharmaceuticals, confectionaries, etc. and is of prime importance to health. Owing to its trace occurrence in nature and considerable increase in market demand that exceeds availability, alternate production through biotechnological and chemical approach is in process. Biochemical production involves substrates like lignocellulosic biomasses and industrial effluents and is an eco-friendly process with high dependency on physico-chemical parameters. Although the chemical processes are faster, high yielding and economical, they have a great limitation as usage of toxic chemicals and thus need to be regulated and replaced by an environment friendly approach. Microbes play a major role in xylitol production through a biotechnological process towards the development of a sustainable system. Major microbes working on assimilation of xylose for production of xylitol include Candida tropicalis, Candida maltose, Bacillus subtilis, Debaromyces hansenii, etc. The present review reports all probable microbial xylitol production biochemical pathways encompassing diverse bioprocesses involved in uptake and conversion of xylose sugars from agricultural residues and industrial effluents. A comprehensive report on xylitol occurrence and biotechnological production processes with varied substrates has been encompassed. KEY POINTS: • Xylitol from agro-industrial waste • Microbial xylose assimilation.
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Affiliation(s)
- Kuldeep Kumar
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Uttar Pradesh, Sector 125, Noida, India
| | - Ekta Singh
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Uttar Pradesh, Sector 125, Noida, India
| | - Smriti Shrivastava
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Uttar Pradesh, Sector 125, Noida, India.
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Kashid M, Ghosalkar A. Critical factors affecting ethanol production by immobilized Pichia stipitis using corn cob hemicellulosic hydrolysate. Prep Biochem Biotechnol 2018; 48:288-295. [PMID: 29355453 DOI: 10.1080/10826068.2018.1425715] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Fermentation of xylose from hydrolysate of acid-treated corn cob by Pichia stipitis is inhibited by acetic acid and lignin derivatives. In the present study, we have designed and implemented an immobilized cell culture for xylose to ethanol conversion from acid-treated corn cob hydrolysate without the removal of fermentation inhibitors. In this study, cultivations of suspended and immobilized Pichia were compared in terms of ethanol yield and productivity to investigate whether the cell immobilization could improve resistance to inhibitors. Cell immobilization clearly favored the fermentative metabolism in nondetoxified corn cob hydrolysate leading to an improvement of twofold ethanol productivity as compared to that achieved with suspension culture. Calcium alginate as an immobilization matrix was selected to immobilize Pichia cells. Concentrations of sodium alginate, calcium chloride, and fermentor agitation speed were optimized for ethanol production using statistical method. Statistical analysis showed that agitation speed had maximum influence on ethanol production by immobilized Pichia cells. In comparison to suspension culture, immobilization had a positive impact on the fermentative metabolism of Pichia, improving the ethanol yield from 0.40 to 0.43 g/g and productivity from 0.31 to 0.51 g/L/h for acid-treated corn cob hydrolysate.
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Affiliation(s)
- Mohan Kashid
- a Department of Technology , Savitribai Phule Pune University , Pune , Maharashtra , India.,b Division of Praj Industries Ltd. , Praj Matrix R&D Center , Pune , India
| | - Anand Ghosalkar
- a Department of Technology , Savitribai Phule Pune University , Pune , Maharashtra , India.,b Division of Praj Industries Ltd. , Praj Matrix R&D Center , Pune , India
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Venkateswar Rao L, Goli JK, Gentela J, Koti S. Bioconversion of lignocellulosic biomass to xylitol: An overview. BIORESOURCE TECHNOLOGY 2016; 213:299-310. [PMID: 27142629 DOI: 10.1016/j.biortech.2016.04.092] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 04/16/2016] [Accepted: 04/19/2016] [Indexed: 06/05/2023]
Abstract
Lignocellulosic wastes include agricultural and forest residues which are most promising alternative energy sources and serve as potential low cost raw materials that can be exploited to produce xylitol. The strong physical and chemical construction of lignocelluloses is a major constraint for the recovery of xylose. The large scale production of xylitol is attained by nickel catalyzed chemical process that is based on xylose hydrogenation, that requires purified xylose as raw substrate and the process requires high temperature and pressure that remains to be cost intensive and energy consuming. Therefore, there is a necessity to develop an integrated process for biotechnological conversion of lignocelluloses to xylitol and make the process economical. The present review confers about the pretreatment strategies that facilitate cellulose and hemicellulose acquiescent for hydrolysis. There is also an emphasis on various detoxification and fermentation methodologies including genetic engineering strategies for the efficient conversion of xylose to xylitol.
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Affiliation(s)
- Linga Venkateswar Rao
- Dept. of Microbiology, Osmania University, Hyderabad, Telangana State 500 007, India.
| | - Jyosthna Khanna Goli
- Dept. of Microbiology, Osmania University, Hyderabad, Telangana State 500 007, India
| | - Jahnavi Gentela
- Dept. of Microbiology, Osmania University, Hyderabad, Telangana State 500 007, India
| | - Sravanthi Koti
- Dept. of Microbiology, Osmania University, Hyderabad, Telangana State 500 007, India
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Yewale T, Panchwagh S, Rajagopalan S, Dhamole PB, Jain R. Enhanced xylitol production using immobilized Candida tropicalis with non-detoxified corn cob hemicellulosic hydrolysate. 3 Biotech 2016; 6:75. [PMID: 28330145 PMCID: PMC4755960 DOI: 10.1007/s13205-016-0388-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 10/08/2015] [Indexed: 11/27/2022] Open
Abstract
This study reports an industrially applicable non-sterile xylitol fermentation process to produce xylitol from a low-cost feedstock like corn cob hydrolysate as pentose source without any detoxification. Different immobilization matrices/mediums (alginate, polyvinyl alcohol, agarose gel, polyacrylamide, gelatin, and κ-carrageenan) were studied to immobilize Candida tropicalis NCIM 3123 cells for xylitol production. Amongst this calcium alginate, immobilized cells produced maximum amount of xylitol with titer of 11.1 g/L and yield of 0.34 g/g. Hence, the process for immobilization using calcium alginate beads was optimized using a statistical method with sodium alginate (20, 30 and 40 g/L), calcium chloride (10, 20 and 30 g/L) and number of freezing–thawing cycles (2, 3 and 4) as the parameters. Using optimized conditions (calcium chloride 10 g/L, sodium alginate 20 g/L and 4 number of freezing–thawing cycles) for immobilization, xylitol production increased significantly to 41.0 g/L (4 times the initial production) with corn cob hydrolysate as sole carbon source and urea as minimal nutrient source. Reuse of immobilized biomass showed sustained xylitol production even after five cycles.
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Affiliation(s)
- Tatyaso Yewale
- Praj Matrix R & D Center, Division of Praj Industries Ltd., 402/403/1098, Urawade, Pune, Maharashtra, 412115, India
- Department of Technology, Savitribai Phule Pune University, Ganeshkhind Road, Pune, Maharashtra, 411007, India
| | - Shruti Panchwagh
- Praj Matrix R & D Center, Division of Praj Industries Ltd., 402/403/1098, Urawade, Pune, Maharashtra, 412115, India
| | - Srinivasan Rajagopalan
- Department of Technology, Savitribai Phule Pune University, Ganeshkhind Road, Pune, Maharashtra, 411007, India
| | - Pradip B Dhamole
- Department of Technology, Savitribai Phule Pune University, Ganeshkhind Road, Pune, Maharashtra, 411007, India
- Chemical Engineering Department, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur, Maharashtra, 440010, India
| | - Rishi Jain
- Praj Matrix R & D Center, Division of Praj Industries Ltd., 402/403/1098, Urawade, Pune, Maharashtra, 412115, India.
- Department of Technology, Savitribai Phule Pune University, Ganeshkhind Road, Pune, Maharashtra, 411007, India.
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Pérez-Bibbins B, Torrado-Agrasar A, Salgado JM, Mussatto SI, Domínguez JM. Xylitol production in immobilized cultures: a recent review. Crit Rev Biotechnol 2015; 36:691-704. [DOI: 10.3109/07388551.2015.1004660] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Belinda Pérez-Bibbins
- Faculty of Sciences, Department of Chemical Engineering, University of Vigo (Campus Ourense), Ourense, Spain,
- Laboratory of Agro-food Biotechnology, CITI (University of Vigo)-Tecnópole, Technological Park of Galicia, San Cibrao das Viñas, Ourense, Spain,
| | - Ana Torrado-Agrasar
- Bromatology Group, Faculty of Sciences, Department of Analytical and Food Chemistry, University of Vigo (Campus Ourense), Ourense, Spain, and
| | - José Manuel Salgado
- Faculty of Sciences, Department of Chemical Engineering, University of Vigo (Campus Ourense), Ourense, Spain,
- Laboratory of Agro-food Biotechnology, CITI (University of Vigo)-Tecnópole, Technological Park of Galicia, San Cibrao das Viñas, Ourense, Spain,
| | - Solange I. Mussatto
- Department of Biotechnology, Delft University of Technology, Delft, The Netherlands
| | - José Manuel Domínguez
- Faculty of Sciences, Department of Chemical Engineering, University of Vigo (Campus Ourense), Ourense, Spain,
- Laboratory of Agro-food Biotechnology, CITI (University of Vigo)-Tecnópole, Technological Park of Galicia, San Cibrao das Viñas, Ourense, Spain,
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Detoxification of corncob acid hydrolysate with SAA pretreatment and xylitol production by immobilized Candida tropicalis. ScientificWorldJournal 2014; 2014:214632. [PMID: 25133211 PMCID: PMC4123689 DOI: 10.1155/2014/214632] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 06/07/2014] [Accepted: 06/08/2014] [Indexed: 11/18/2022] Open
Abstract
Xylitol fermentation production from corncob acid hydrolysate has become an attractive and promising process. However, corncob acid hydrolysate cannot be directly used as fermentation substrate owing to various inhibitors. In this work, soaking in aqueous ammonia (SAA) pretreatment was employed to reduce the inhibitors in acid hydrolysate. After detoxification, the corncob acid hydrolysate was fermented by immobilized Candida tropicalis cell to produce xylitol. Results revealed that SAA pretreatment showed high delignification and efficient removal of acetyl group compounds without effect on cellulose and xylan content. Acetic acid was completely removed, and the content of phenolic compounds was reduced by 80%. Furthermore, kinetic behaviors of xylitol production by immobilized C. tropicalis cell were elucidated from corncob acid hydrolysate detoxified with SAA pretreatment and two-step adsorption method, respectively. The immobilized C. tropicalis cell showed higher productivity efficiency using the corncob acid hydrolysate as fermentation substrate after detoxification with SAA pretreatment than by two-step adsorption method in the five successive batch fermentation rounds. After the fifth round fermentation, about 60 g xylitol/L fermentation substrate was obtained for SAA pretreatment detoxification, while about 30 g xylitol/L fermentation substrate was obtained for two-step adsorption detoxification.
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Xu W, Liang L, Song Z, Zhu M. Continuous ethanol production from sugarcane molasses using a newly designed combined bioreactor system by immobilized Saccharomyces cerevisiae. Biotechnol Appl Biochem 2014; 61:289-96. [PMID: 24164318 DOI: 10.1002/bab.1175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Accepted: 10/17/2013] [Indexed: 11/08/2022]
Abstract
Continuous ethanol fermentation using polyvinyl alcohol (PVA), immobilized yeast, and sugarcane molasses (22 and 35°Bx) with 8 g/L urea was run in a combined bioreactor system consisting of three-stage tubular bioreactors in series. The effect of the dilution rate (D) at 0.0037, 0.0075, 0.0117, 0.0145, 0.018, and 0.0282 H(-1) on continuous ethanol fermentation was investigated in this study. The results showed that D had a significant effect on fermentation efficiency, sugar-utilized rate, ethanol yield, and ethanol productivity in this designed continuous fermentation system. The D had a linear relationship with residual sugar and ethanol production under certain conditions. The highest fermentation efficiency of 83.26%, ethanol yield of 0.44 g/g, and the lowest residual sugar content of 6.50 g/L were achieved at 0.0037 H(-1) in the fermentation of 22°Bx molasses, indicating that the immobilization of cells using PVA, sugarcane pieces, and cotton towel is feasible and the established continuous system performs well.
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Affiliation(s)
- Wanxia Xu
- School of Bioscience and Bioengineering, South China University of Technology, Panyu, Guangzhou, People's Republic of China
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Pérez-Bibbins B, de Souza Oliveira RP, Torrado A, Aguilar-Uscanga MG, Domínguez JM. Study of the potential of the air lift bioreactor for xylitol production in fed-batch cultures by Debaryomyces hansenii immobilized in alginate beads. Appl Microbiol Biotechnol 2013; 98:151-61. [PMID: 24136467 DOI: 10.1007/s00253-013-5280-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 09/17/2013] [Accepted: 09/18/2013] [Indexed: 10/26/2022]
Abstract
Cell immobilization has shown to be especially adequate for xylitol production. This work studies the suitability of the air lift bioreactor for xylitol production by Debaryomyces hansenii immobilized in Ca-alginate operating in fed-batch cultures to avoid substrate inhibition. The results showed that the air lift bioreactor is an adequate system since the minimum air flow required for fluidization was even lower than that leading to the microaerobic conditions that trigger xylitol accumulation by this yeast, also maintaining the integrity of the alginate beads and the viability of the immobilized cells until 3 months of reuses. Maximum productivities and yields of 0.43 g/l/h and 0.71 g/g were achieved with a xylose concentration of 60 g/l after each feeding. The xylose feeding rate, the air flow, and the biomass concentration at the beginning of the fed-batch operation have shown to be critical parameters for achieving high productivities and yields. Although a maximum xylitol production of 139 g/l was obtained, product inhibition was evidenced in batch experiments, which allowed estimating at 200 and 275 g/l the IC50 for xylitol productivity and yield, respectively. The remarkable production of glycerol in the absence of glucose was noticeable, which could not only be attributed to the osmoregulatory function of this polyol in conditions of high osmotic pressure caused by high xylitol concentrations but also to the role of the glycerol synthesis pathway in the regeneration of NAD(+) in conditions of suboptimal microaeration caused by insufficient aeration or high oxygen demand when high biomass concentrations were achieved.
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Affiliation(s)
- Belinda Pérez-Bibbins
- Laboratory of Agro-Food Biotechnology, CITI (University of Vigo)-Tecnópole, Parque Tecnológico de Galicia, San Cibrao das Viñas, Ourense, Spain
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Pérez-Bibbins B, Salgado JM, Torrado A, Aguilar-Uscanga MG, Domínguez JM. Culture parameters affecting xylitol production by Debaryomyces hansenii immobilized in alginate beads. Process Biochem 2013. [DOI: 10.1016/j.procbio.2013.01.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Repeated Batch Cell-Immobilized System for the Biotechnological Production of Xylitol as a Renewable Green Sweetener. Appl Biochem Biotechnol 2013; 169:2101-10. [DOI: 10.1007/s12010-013-0127-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 01/30/2013] [Indexed: 10/27/2022]
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Zhao CH, Chi Z, Zhang F, Guo FJ, Li M, Song WB, Chi ZM. Direct conversion of inulin and extract of tubers of Jerusalem artichoke into single cell oil by co-cultures of Rhodotorula mucilaginosa TJY15a and immobilized inulinase-producing yeast cells. BIORESOURCE TECHNOLOGY 2011; 102:6128-6133. [PMID: 21411313 DOI: 10.1016/j.biortech.2011.02.077] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Revised: 02/17/2011] [Accepted: 02/18/2011] [Indexed: 05/30/2023]
Abstract
In this study, it was found that the immobilized inulinase-producing cells of Pichia guilliermondii M-30 could produce 169.3 U/ml of inulinase activity while the free cells of the same yeast strain only produced 124.3 U/ml of inulinase activity within 48 h. When the immobilized inulinase-producing yeast cells were co-cultivated with the free cells of Rhodotorula mucilaginosa TJY15a, R. mucilaginosa TJY15a could accumulate 53.2% oil from inulin in its cells and cell dry weight reached 12.2g/l. Under the similar conditions, R. mucilaginosa TJY15a could accumulate 55.4% (w/w) oil from the extract of Jerusalem artichoke tubers in its cells and cell dry weight reached 12.8 g/l within 48 h. When the co-cultures were grown in 2l fermentor, R. mucilaginosa TJY15a could accumulate 56.6% (w/w) oil from the extract of Jerusalem artichoke tubers in its cells and cell dry weight reached 19.6g/l within 48 h. Over 90.0% of the fatty acids from the yeast strain TJY15a grown in the extract of Jerusalem artichoke tubers was C(16:0), C(18:1) and C(18:2), especially C(18:1) (50.6%).
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Affiliation(s)
- Chun-Hai Zhao
- Unesco Chinese Center of Marine Biotechnology and Institute of Marine Biodiversity and Evolution, Ocean University of China, No. 5 Yushan Road, Qingdao, China
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Xylitol production by recombinant Corynebacterium glutamicum under oxygen deprivation. Appl Microbiol Biotechnol 2009; 86:1057-66. [DOI: 10.1007/s00253-009-2372-2] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2009] [Revised: 11/17/2009] [Accepted: 11/18/2009] [Indexed: 11/29/2022]
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Maneeboon T, Vanichsriratana W, Pomchaitaward C, Kitpreechavanich V. Optimization of Lactic Acid Production by Pellet-Form Rhizopus oryzae in 3-L Airlift Bioreactor Using Response Surface Methodology. Appl Biochem Biotechnol 2009; 161:137-46. [DOI: 10.1007/s12010-009-8860-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2009] [Accepted: 11/05/2009] [Indexed: 11/27/2022]
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Repeated-batch fermentation using flocculent hybrid, Saccharomyces cerevisiae CHFY0321 for efficient production of bioethanol. Appl Microbiol Biotechnol 2009; 84:261-9. [DOI: 10.1007/s00253-009-1946-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2008] [Revised: 03/04/2009] [Accepted: 03/05/2009] [Indexed: 10/21/2022]
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Winkelhausen E, Jovanovic-Malinovska R, Kuzmanova S, Cvetkovska M, Tsvetanov C. Hydrogels based on u.v.-crosslinked poly(ethylene oxide) – matrices for immobilization of Candida boidinii cells for xylitol production. World J Microbiol Biotechnol 2008. [DOI: 10.1007/s11274-008-9707-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Current awareness on yeast. Yeast 2007. [DOI: 10.1002/yea.1453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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