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Diamantopoulou P, Sarris D, Tchakouteu SS, Xenopoulos E, Papanikolaou S. Growth Response of Non-Conventional Yeasts on Sugar-Rich Media: Part 1: High Production of Lipid by Lipomyces starkeyi and Citric Acid by Yarrowia lipolytica. Microorganisms 2023; 11:1863. [PMID: 37513034 PMCID: PMC10384381 DOI: 10.3390/microorganisms11071863] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Sugar-rich waste streams, generated in very high quantities worldwide, constitute an important source of environmental pollution. Their eco-friendly conversions into a plethora of added-value compounds through the use of microbial fermentations is currently a very "hot" scientific topic. The aim of this study, was to assess the potential of single cell oil (SCO), microbial mass and citric acid (CA) production by non-conventional yeast strains growing on expired ("waste") glucose. Six yeast strains (viz. Rhodosporidium toruloides DSM 4444, Rhodotorula glutinis NRRL YB-252, R. toruloides NRRL Y-27012, Yarrowia lipolytica LFMB Y-20, Y. lipolytica ACA-DC 50109 and Lipomyces starkeyi DSM 70296) were initially grown in shake flasks with expired glucose used as substrate under nitrogen limitation, in order to "boost" the cellular metabolism towards the synthesis of SCO and CA, and their growth response was quantitatively evaluated. Initial glucose concentration (Glc0) was adjusted at c. 50 g/L. Besides Y. lipolytica, all other yeast strains produced noticeable SCO quantities [lipid in dry cell weight (DCW) ranging from 25.3% w/w to 55.1% w/w]. Lipids of all yeasts contained significant quantities of oleic acid, being perfect candidates for the synthesis of 2nd generation biodiesel. The highest DCW production (=13.6 g/L) was obtained by L. starkeyi DSM 70296, while both Y. lipolytica strains did not accumulate noticeable lipid quantities, but produced non-negligible CA amounts. The most promising CA-producing strain, namely Y. lipolytica ACA-DC 50109 was further studied in stirred-tank bioreactor systems, while the very promising DCW- and SCO-producing L. starkeyi DSM 70296 was further studied in shake flasks. Both strains were grown on media presenting higher Glc0 concentrations and the same initial nitrogen quantity as previously. Indeed, L. starkeyi grown at Glc0 = 85 g/L, produced DCWmax = 34.0 g/L, that contained lipid =34.1% w/w (thus SCO was =11.6 g/L). The strain ACA-DC 50109 in stirred tank bioreactor with Glc0 ≈ 105 g/L produced CA up to 46 g/L (yield of CA produced on glucose consumed; YCA/Glc ≈ 0.45 g/g). Finally, in fed-batch bioreactor experiment, the significant CA quantity of 82.0 g/L (YCA/Glc = 0.50 g/g) was recorded. Concluding, "waste" glucose proved to be a suitable substrate for a number of non-conventional yeast strains. Y. lipolytica ACA-DC 50109 produced significant quantities of CA while L. starkeyi DSM 70296 was a very interesting DCW- and SCO-producing candidate. These strains can be used as potential cell factories amenable to convert glucose-based residues into the mentioned metabolic compounds, that present high importance for food, chemical and biofuel facilities.
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Affiliation(s)
- Panagiota Diamantopoulou
- Institute of Technology of Agricultural Products (ITAP), Hellenic Agricultural Organization-Demeter, 1 Sofokli Venizelou Street, Attiki, 14123 Lykovryssi, Greece
| | - Dimitris Sarris
- Institute of Technology of Agricultural Products (ITAP), Hellenic Agricultural Organization-Demeter, 1 Sofokli Venizelou Street, Attiki, 14123 Lykovryssi, Greece
- Department of Food Science and Nutrition, School of Environment, University of the Aegean, Metropolite Ioakeim 2, 81400 Myrina, Greece
| | - Sidoine Sadjeu Tchakouteu
- Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Evangelos Xenopoulos
- Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Seraphim Papanikolaou
- Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
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Oleaginous yeasts: Biodiversity and cultivation. FUNGAL BIOL REV 2023. [DOI: 10.1016/j.fbr.2022.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Zhao Y, Song B, Li J, Zhang J. Rhodotorula toruloides: an ideal microbial cell factory to produce oleochemicals, carotenoids, and other products. World J Microbiol Biotechnol 2021; 38:13. [PMID: 34873661 DOI: 10.1007/s11274-021-03201-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/29/2021] [Indexed: 12/20/2022]
Abstract
Requirement of clean energy sources urges us to find substitutes for fossil fuels. Microorganisms provide an option to produce feedstock for biofuel production by utilizing inexpensive, renewable biomass. Rhodotorula toruloides (Rhodosporidium toruloides), a non-conventional oleaginous yeast, can accumulate intracellular lipids (single cell oil, SCO) more than 70% of its cell dry weight. At present, the SCO-based biodiesel is not a price-competitive fuel to the petroleum diesel. Many efforts are made to cut the cost of SCO by strengthening the performance of genetically modified R. toruloides strains and by valorization of low-cost biomass, including crude glycerol, lignocellulosic hydrolysates, food and agro waste, wastewater, and volatile fatty acids. Besides, optimization of fermentation and SCO recovery processes are carefully studied as well. Recently, new R. toruloides strains are developed via metabolic engineering and synthetic biology methods to produce value-added chemicals, such as sesquiterpenes, fatty acid esters, fatty alcohols, carotenoids, and building block chemicals. This review summarizes recent advances in the main aspects of R. toruloides studies, namely, construction of strains with new traits, valorization of low-cost biomass, process detection and optimization, and product recovery. In general, R. toruloides is a promising microbial cell factory for production of biochemicals.
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Affiliation(s)
- Yu Zhao
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.,Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Baocai Song
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.,Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Jing Li
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing, 210094, China. .,Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.
| | - Jianfa Zhang
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.,Key Laboratory of Metabolic Engineering and Biosynthesis Technology of Ministry of Industry and Information Technology, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
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4
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Abeln F, Chuck CJ. The history, state of the art and future prospects for oleaginous yeast research. Microb Cell Fact 2021; 20:221. [PMID: 34876155 PMCID: PMC8650507 DOI: 10.1186/s12934-021-01712-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/23/2021] [Indexed: 12/25/2022] Open
Abstract
Lipid-based biofuels, such as biodiesel and hydroprocessed esters, are a central part of the global initiative to reduce the environmental impact of the transport sector. The vast majority of production is currently from first-generation feedstocks, such as rapeseed oil, and waste cooking oils. However, the increased exploitation of soybean oil and palm oil has led to vast deforestation, smog emissions and heavily impacted on biodiversity in tropical regions. One promising alternative, potentially capable of meeting future demand sustainably, are oleaginous yeasts. Despite being known about for 143 years, there has been an increasing effort in the last decade to develop a viable industrial system, with currently around 100 research papers published annually. In the academic literature, approximately 160 native yeasts have been reported to produce over 20% of their dry weight in a glyceride-rich oil. The most intensively studied oleaginous yeast have been Cutaneotrichosporon oleaginosus (20% of publications), Rhodotorula toruloides (19%) and Yarrowia lipolytica (19%). Oleaginous yeasts have been primarily grown on single saccharides (60%), hydrolysates (26%) or glycerol (19%), and mainly on the mL scale (66%). Process development and genetic modification (7%) have been applied to alter yeast performance and the lipids, towards the production of biofuels (77%), food/supplements (24%), oleochemicals (19%) or animal feed (3%). Despite over a century of research and the recent application of advanced genetic engineering techniques, the industrial production of an economically viable commodity oil substitute remains elusive. This is mainly due to the estimated high production cost, however, over the course of the twenty-first century where climate change will drastically change global food supply networks and direct governmental action will likely be levied at more destructive crops, yeast lipids offer a flexible platform for localised, sustainable lipid production. Based on data from the large majority of oleaginous yeast academic publications, this review is a guide through the history of oleaginous yeast research, an assessment of the best growth and lipid production achieved to date, the various strategies employed towards industrial production and importantly, a critical discussion about what needs to be built on this huge body of work to make producing a yeast-derived, more sustainable, glyceride oil a commercial reality.
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Affiliation(s)
- Felix Abeln
- Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK.
- Centre for Sustainable and Circular Technologies, University of Bath, Bath, BA2 7AY, UK.
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5
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Pereira IDO, Dos Santos ÂA, Gonçalves DL, Purificação M, Guimarães NC, Tramontina R, Coutouné N, Zanella E, Matsushika A, Stambuk BU, Ienczak JL. Comparison of Spathaspora passalidarum and recombinant Saccharomyces cerevisiae for integration of first- and second-generation ethanol production. FEMS Yeast Res 2021; 21:6363686. [PMID: 34477865 DOI: 10.1093/femsyr/foab048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 09/01/2021] [Indexed: 12/23/2022] Open
Abstract
First-generation ethanol (E1G) is based on the fermentation of sugars released from saccharine or starch sources, while second-generation ethanol (E2G) is focused on the fermentation of sugars released from lignocellulosic feedstocks. During the fractionation process to release sugars from hemicelluloses (mainly xylose), some inhibitor compounds are released hindering fermentation. Thus, the biggest challenge of using hemicellulosic hydrolysate is selecting strains and processes able to efficiently ferment xylose and tolerate inhibitors. With the aim of diluting inhibitors, sugarcane molasses (80% of sucrose content) can be mixed to hemicellulosic hydrolysate in an integrated E1G-E2G process. Cofermentations of xylose and sucrose were evaluated for the native xylose consumer Spathaspora passalidarum and a recombinant Saccharomyces cerevisiae strain. The industrial S. cerevisiae strain CAT-1 was modified to overexpress the XYL1, XYL2 and XKS1 genes and a mutant ([4-59Δ]HXT1) version of the low-affinity HXT1 permease, generating strain MP-C5H1. Although S. passalidarum showed better results for xylose fermentation, this yeast showed intracellular sucrose hydrolysis and low sucrose consumption in microaerobic conditions. Recombinant S. cerevisiae showed the best performance for cofermentation, and a batch strategy at high cell density in bioreactor achieved unprecedented results of ethanol yield, titer and volumetric productivity in E1G-E2G production process.
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Affiliation(s)
- Isabela de Oliveira Pereira
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Ângela Alves Dos Santos
- Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Davi L Gonçalves
- Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Marcela Purificação
- Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Nick Candiotto Guimarães
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Robson Tramontina
- Graduate Program in Biosciences and Technology of Bioactive Products, Institute of Biology, State University of Campinas (UNICAMP), Campinas, SP 13083-852, Brazil.,Brazilian Biorenewable Laboratory, National Center for Research in Energy and Materials, Campinas, SP 13083-100, Brazil
| | - Natalia Coutouné
- Brazilian Biorenewable Laboratory, National Center for Research in Energy and Materials, Campinas, SP 13083-100, Brazil.,Graduate Program in Genetics and Molecular Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas, SP 13083-852, Brazil
| | - Eduardo Zanella
- Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Akinori Matsushika
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology, Higashi-Hiroshima, Hiroshima 739-0046, Japan.,Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8530, Japan
| | - Boris U Stambuk
- Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
| | - Jaciane Lutz Ienczak
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-900, Brazil
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Di Fidio N, Ragaglini G, Dragoni F, Antonetti C, Raspolli Galletti AM. Integrated cascade biorefinery processes for the production of single cell oil by Lipomyces starkeyi from Arundo donax L. hydrolysates. BIORESOURCE TECHNOLOGY 2021; 325:124635. [PMID: 33461125 DOI: 10.1016/j.biortech.2020.124635] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/23/2020] [Accepted: 12/24/2020] [Indexed: 06/12/2023]
Abstract
Giant reed (Arundo donax L.) is a promising source of carbohydrates that can be converted into single cell oil (SCO) by oleaginous yeasts. Microbial conversion of both hemicellulose and cellulose fractions represents the key step for increasing the economic sustainability for SCO production. Lipomyces starkeyi DSM 70,296 was cultivated in two xylose-rich hydrolysates, obtained by the microwave-assisted hydrolysis of hemicellulose catalysed by FeCl3 or Amberlyst-70, and in two glucose-rich hydrolysates obtained by the enzymatic hydrolysis of cellulose. L. starkeyi grew on both undetoxified and partially-detoxified hydrolysates, achieving the lipid content of 30 wt% and yield values in the range 15-24 wt%. For both integrated cascade processes the final production of about 8 g SCO from 100 g biomass was achieved. SCO production through integrated hydrolysis cascade processes represents a promising solution for the effective exploitation of lignocellulosic feedstock from perennial grasses towards new generation biodiesel and other valuable bio-based products.
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Affiliation(s)
- Nicola Di Fidio
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy.
| | - Giorgio Ragaglini
- Institute of Life Sciences, Sant'Anna School of Advanced Study, Piazza Martiri della Libertà 33, 56127 Pisa, Italy.
| | - Federico Dragoni
- Institute of Life Sciences, Sant'Anna School of Advanced Study, Piazza Martiri della Libertà 33, 56127 Pisa, Italy; Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Department of Technology Assessment and Substance Cycles, Potsdam-Bornim e.V. Max-Eyth-Allee 100, 14469 Potsdam, Germany
| | - Claudia Antonetti
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy
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Da Silva VL, Ienczak JL, Moritz D. Agro-industrial residues for the production of red biopigment by Monascus ruber: rice flour and sugarcane molasses. Braz J Microbiol 2021; 52:587-596. [PMID: 33651332 DOI: 10.1007/s42770-021-00456-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 02/11/2021] [Indexed: 12/23/2022] Open
Abstract
Three culture media were studied for red pigment production by Monascus ruber in submerged cultivation: rice flour (20 g L-1), sugarcane molasses (30 g L-1), and, finally, molasses + rice flour (10 g L-1+10 g L-1); all culture media were added of 5 g L-1 glycine as nitrogen source. Rice flour showed pigment production of 7.05 UA510nm and molasses 5.08 UA510nm, and the mixture of rice flour and molasses showed the best result of 16.38 UA510nm. Molasses culture presented good results for cell biomass production of 11.09 g L-1. With these results, it was observed that one substrate presented good pigment production (rice flour) and another attained better results for cell biomass growth (molasses), and a third medium containing 10 g L-1 of rice flour + 10 g L-1 of molasses was formulated. The results for this mixture showed satisfactory results, with global pigment productivity of 0.097 UA510nm h-1 and maximum productivity rate of 0.17 UA510nm h-1. The high production and productivity obtained for the mixture of rice flour and molasses indicated that the production of red pigment by submerged fermentation, using the mixture of these low-cost culture media, may be promising in terms of commercial production.
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Affiliation(s)
- V L Da Silva
- Chemical Engineering and Food Engineering Department, Federal University of Santa Catarina - UFSC, Florianópolis, SC, Zip Code 88040-900, Brazil
| | - J L Ienczak
- Chemical Engineering and Food Engineering Department, Federal University of Santa Catarina - UFSC, Florianópolis, SC, Zip Code 88040-900, Brazil
| | - D Moritz
- Chemical Engineering and Food Engineering Department, Federal University of Santa Catarina - UFSC, Florianópolis, SC, Zip Code 88040-900, Brazil.
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8
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da Cunha Abreu Xavier M, Teixeira Franco T. Obtaining hemicellulosic hydrolysate from sugarcane bagasse for microbial oil production by Lipomyces starkeyi. Biotechnol Lett 2021; 43:967-979. [PMID: 33517513 DOI: 10.1007/s10529-021-03080-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 01/12/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVE The extraction of the hemicellulose fraction of sugarcane bagasse (SCB) by acid hydrolysis was evaluated in an autoclave and a Parr reactor aiming the application of the hydrolysate as a carbon source for lipid production by Lipomyces starkeyi. RESULTS The hydrolysis that resulted in the highest sugar concentration was obtained by treatment in the Parr reactor (HHR) at 1.5% (m/v) H2SO4 and 120 °C for 20 min, reaching a hemicellulose conversion of approximately 82%. The adaptation of the yeast to the hydrolysate provided good fermentability and no lag phase. The fermentation of hemicellulose-derived sugars (HHR) by L. starkeyi resulted in a 27.8% (w/w) lipid content and YP/S of 0.16 g/l.h. Increasing the inoculum size increased the lipid content by approximately 61%, reaching 44.8% (w/w). CONCLUSION The hemicellulose hydrolysate from SCB is a potential substrate for L. starkeyi to produce lipids for biodiesel synthesis based on the biorefinery concept.
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Affiliation(s)
- Michelle da Cunha Abreu Xavier
- Department of Bioprocess Engineering and Biotechnology, Federal University of Tocantins (UFT), Badejos Street 69-72, Jardim Cervilha, Gurupi, TO, 77404-970, Brazil.
| | - Telma Teixeira Franco
- Department of Process Engineering (DEPro), School of Chemical Engineering, State University of Campinas (UNICAMP), Albert Einstein Avenue, 500, Zeferino Vaz University City, Campinas, SP, 13083-852, Brazil
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Carota E, Petruccioli M, D'Annibale A, Crognale S. Mixed glycerol and orange peel-based substrate for fed-batch microbial biodiesel production. Heliyon 2020; 6:e04801. [PMID: 32984573 PMCID: PMC7494470 DOI: 10.1016/j.heliyon.2020.e04801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/12/2020] [Accepted: 08/24/2020] [Indexed: 01/22/2023] Open
Abstract
The aqueous extraction of orange peel waste (OPW), the byproduct of the juice extraction process generated annually in massive amounts (21 Mton), yields a carbohydrate-rich liquid fraction, termed orange peel extract (OPE). Several studies highlight that the combination of glycerol, a biodiesel byproduct, with carbohydrate mixtures might boost microbial lipid production. This study performed first a shaken flask screening of 15 oleaginous yeast strains based on their growth and lipid-producing abilities on OPE- and glycerol-based media. This screening enabled the selection of R. toruloides NRRL 1091 for the assessment of the process transfer in a stirred tank reactor (STR). This assessment relied, in particular, on either single- and double-stage feeding fed-batch (SSF-FB and DSF-FB, respectively) processes where OPE served as the primary medium and nitrogen-containing glycerol-OPE mixtures as the feeding one. The continuous supply mode at low dilution rates (0.02 and 0.01 h-1 for SSF-FB and DSF-FB, respectively) starting from the end of the exponential growth of the initial batch phase enabled the temporal extension of biomass and lipid production. The SSF-FB and DSF-FB processes attained high biomass and lipid volumetric productions (LVP) and ensured significant lipid accumulation on a dry cell basis (YL/X). The SSF-FB process led to LVP of 20.6 g L-1 after 104 h with volumetric productivity (r L) of 0.20 g L-1 h-1 and YL/X of 0.80; the DSF-FB process yielded LVP, r L and YL/X values equal to 15.92 g L-1, 0.11 g L-1 h-1 and 0.65, respectively. The fatty acid profiles of lipids from both fed-batch processes were not significantly different and resembled that of Jatropha oil, a vastly used feedstock for biodiesel production. These results suggest that OPE constitutes an excellent basis for the fed-batch production of R. toruloides lipids, and this process might afford a further option in OPW-based biorefinery.
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Affiliation(s)
- Eleonora Carota
- Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, Via S. Camillo De Lellis snc, 01100, Viterbo, Italy
| | - Maurizio Petruccioli
- Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, Via S. Camillo De Lellis snc, 01100, Viterbo, Italy
| | - Alessandro D'Annibale
- Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, Via S. Camillo De Lellis snc, 01100, Viterbo, Italy
| | - Silvia Crognale
- Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, Via S. Camillo De Lellis snc, 01100, Viterbo, Italy
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Papadaki A, Kopsahelis N, Mallouchos A, Mandala I, Koutinas AA. Bioprocess development for the production of novel oleogels from soybean and microbial oils. Food Res Int 2019; 126:108684. [PMID: 31732046 DOI: 10.1016/j.foodres.2019.108684] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 09/12/2019] [Accepted: 09/13/2019] [Indexed: 12/14/2022]
Abstract
This study presents the production of novel oleogels via circular valorisation of food industry side streams. Sugarcane molasses and soybean processing side streams (i.e. soybean cake) were employed as fermentation feedstocks for the production of microbial oil. Fed-batch bioreactor fermentations carried out by the oleaginous yeast Rhodosporidium toruloides led to the production of 36.9 g/L total dry weight with an intracellular oil content of 49.8% (w/w) and 89.4 μg/g carotenoids. The carotenoid-rich microbial oil and soybean oil were evaluated as base oils for the production of wax-based oleogels. The wax esters, used as oleogelators, were produced via enzymatic catalysis, using microbial oil or soybean fatty acid distillate as raw materials. All oleogels presented a gel-like behaviour (G' > G″). However, the highest G' was determined for the oleogel produced from soybean oil and microbial oil-wax esters, which indicated a stronger network. Thermal analysis showed that this oleogel had a melting temperature profile up to 35 °C, which is favorable for applications in the confectionery industry. Also, texture analysis demonstrated that soybean oil-microbial oil wax oleogel was stable (1.9-2.2 N) within 30-days storage period. This study showed the potential of novel oleogels production through the development of bioprocesses based on the valorisation of various renewable resources.
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Affiliation(s)
- Aikaterini Papadaki
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece.
| | - Nikolaos Kopsahelis
- Department of Food Science and Technology, Ionian University, Argostoli 28100, Kefalonia, Greece
| | - Athanasios Mallouchos
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Ioanna Mandala
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Apostolis A Koutinas
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece.
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Ghosh S, Roy S. Novel integration of biohydrogen production with fungal biodiesel production process. BIORESOURCE TECHNOLOGY 2019; 288:121603. [PMID: 31176938 DOI: 10.1016/j.biortech.2019.121603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 05/31/2019] [Accepted: 06/02/2019] [Indexed: 06/09/2023]
Abstract
An integration of bio-H2 with fungal biodiesel production process was investigated. Highest cumulative H2 production of 3.3 ± 0.20 L L-1 was observed during media optimization using mixture design. Using optimized media composition, continuous H2 production at 0.2 h-1 dilution rate, showed highest H2 production rate, H2 yield and biomass yield of 1020 ± 23 mL L-1 h-1, 2.8 ± 0.1 mols mol-1 reducing sugar and 1.2 ± 0.06 g L-1, respectively. Using the spent media generated from the dark fermentation, oleaginous yeast cultivation was done. Highest biomass and total lipid yield of 6.4 ± 0.20 g L-1 and 0.46 ± 0.04 g g-1 was observed at initial 15% v/v inoculums strength, pH of 5, 1.5 L min-1 aeration rate and 25 °C temperature of cultivation, respectively. Energy recovery improved by 90.3% in integrated process when compared with single stage hydrogen production.
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Affiliation(s)
- Supratim Ghosh
- Porter School of the Environment and Earth Sciences, Tel Aviv University, Israel
| | - Shantonu Roy
- Department of Biotechnology, National Institute of Technology, Arunachal Pradesh 791112, India.
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Rolz C, de León R, Mendizábal de Montenegro AL. Co-production of ethanol and biodiesel from sweet sorghum juice in two consecutive fermentation steps. ELECTRON J BIOTECHN 2019. [DOI: 10.1016/j.ejbt.2019.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Biomass and lipid production by Rhodococcus opacus PD630 in molasses-based media with and without osmotic-stress. J Biotechnol 2019; 297:1-8. [DOI: 10.1016/j.jbiotec.2019.02.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/03/2019] [Accepted: 02/18/2019] [Indexed: 11/22/2022]
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14
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Oleaginous yeasts for sustainable lipid production—from biodiesel to surf boards, a wide range of “green” applications. Appl Microbiol Biotechnol 2019; 103:3651-3667. [DOI: 10.1007/s00253-019-09742-x] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/03/2019] [Accepted: 03/05/2019] [Indexed: 02/02/2023]
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15
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Pessôa MG, Vespermann KA, Paulino BN, Barcelos MC, Pastore GM, Molina G. Newly isolated microorganisms with potential application in biotechnology. Biotechnol Adv 2019; 37:319-339. [DOI: 10.1016/j.biotechadv.2019.01.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 12/23/2022]
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16
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Lipomyces starkeyi: an emerging cell factory for production of lipids, oleochemicals and biotechnology applications. World J Microbiol Biotechnol 2018; 34:147. [DOI: 10.1007/s11274-018-2532-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 09/06/2018] [Indexed: 12/13/2022]
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17
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Jiru TM, Steyn L, Pohl C, Abate D. Production of single cell oil from cane molasses by Rhodotorula kratochvilovae (syn, Rhodosporidium kratochvilovae) SY89 as a biodiesel feedstock. Chem Cent J 2018; 12:91. [PMID: 30097852 PMCID: PMC6086781 DOI: 10.1186/s13065-018-0457-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 07/31/2018] [Indexed: 12/04/2022] Open
Abstract
Background Single cell oil has long been considered an alternative to conventional oil sources. The oil produced can also be used as a feedstock for biodiesel production. Oleaginous yeasts have relatively high growth and lipid production rates, can utilize a wide variety of cheap agro-industrial wastes such as molasses, and can accumulate lipids above 20% of their biomass when they are grown in a bioreactor under conditions of controlled excess carbon and nitrogen limitation. Results In this study, Rhodotorula kratochvilovae (syn, Rhodosporidium kratochvilovae) SY89 was cultivated in a nitrogen-limited medium containing cane molasses as a carbon source. The study aims to provide not only information on the production of single cell oil using R. kratochvilovae SY89 on cane molasses as a biodiesel feedstock, but also to characterize the biodiesel obtained from the resultant lipids. After determination of the sugar content in cane molasses, R. kratochvilovae SY89 was grown on the optimized cane molasses for 168 h. Under the optimized conditions, the yeast accumulated lipids up to 38.25 ± 1.10% on a cellular dry biomass basis. This amount corresponds to a lipid yield of 4.82 ± 0.27 g/L. The fatty acid profiles of the extracted yeast lipids were analyzed using gas chromatography, coupled with flame ionization detector. A significant amount of oleic acid (58.51 ± 0.76%), palmitic acid (15.70 ± 1.27%), linoleic acid (13.29 ± 1.18%) and low amount of other fatty acids were detected in the extracted yeast lipids. The lipids were used to prepare biodiesel and the yield was 85.30%. The properties of this biodiesel were determined and found to be comparable to the specifications established by ASTM D6751 and EN14214 related to biodiesel quality. Conclusions Based on the results obtained, the biodiesel from R. kratochvilovae SY89 oil could be a competitive alternative to conventional diesel fuel.
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Affiliation(s)
- Tamene Milkessa Jiru
- Department of Biotechnology, University of Gondar, P.O.Box: 196, Gondar, Ethiopia.
| | - Laurinda Steyn
- Department of Microbial, Biochemical and Food Biotechnology, University of the Free State, P.O.Box: 339, Bloemfontein, South Africa
| | - Carolina Pohl
- Department of Microbial, Biochemical and Food Biotechnology, University of the Free State, P.O.Box: 339, Bloemfontein, South Africa
| | - Dawit Abate
- Microbial, Cellular and Molecular Biology Department, College of Natural Sciences, Addis Ababa University, P.O.Box: 1176, Addis Ababa, Ethiopia
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18
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Park YK, Nicaud JM, Ledesma-Amaro R. The Engineering Potential of Rhodosporidium toruloides as a Workhorse for Biotechnological Applications. Trends Biotechnol 2017; 36:304-317. [PMID: 29132754 DOI: 10.1016/j.tibtech.2017.10.013] [Citation(s) in RCA: 142] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 10/18/2017] [Accepted: 10/19/2017] [Indexed: 12/30/2022]
Abstract
Moving our society towards a bioeconomy requires efficient and sustainable microbial production of chemicals and fuels. Rhodotorula (Rhodosporidium) toruloides is a yeast that naturally synthesizes substantial amounts of specialty chemicals and has been recently engineered to (i) enhance its natural production of lipids and carotenoids, and (ii) produce novel industrially relevant compounds. The use of R. toruloides by companies and research groups has exponentially increased in recent years as a result of recent improvements in genetic engineering techniques and the availability of multiomics information on its genome and metabolism. This review focuses on recent engineering approaches in R. toruloides for bioproduction and explores its potential as a biotechnological chassis.
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Affiliation(s)
- Young-Kyoung Park
- Micalis Institute, Institut National de la Recherche Agronomique (INRA), AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France
| | - Jean-Marc Nicaud
- Micalis Institute, Institut National de la Recherche Agronomique (INRA), AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France
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19
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Ramírez-Castrillón M, Jaramillo-Garcia VP, Rosa PD, Landell MF, Vu D, Fabricio MF, Ayub MAZ, Robert V, Henriques JAP, Valente P. The Oleaginous Yeast Meyerozyma guilliermondii BI281A as a New Potential Biodiesel Feedstock: Selection and Lipid Production Optimization. Front Microbiol 2017; 8:1776. [PMID: 29018411 PMCID: PMC5614974 DOI: 10.3389/fmicb.2017.01776] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 08/31/2017] [Indexed: 11/22/2022] Open
Abstract
A high throughput screening (HTS) methodology for evaluation of cellular lipid content based on Nile red fluorescence reads using black background 96-wells test plates and a plate reader equipment allowed the rapid intracellular lipid estimation of strains from a Brazilian phylloplane yeast collection. A new oleaginous yeast, Meyerozyma guilliermondii BI281A, was selected, for which the gravimetric determination of total lipids relative to dry weight was 52.38% for glucose or 34.97% for pure glycerol. The lipid production was optimized obtaining 108 mg/L of neutral lipids using pure glycerol as carbon source, and the strain proved capable of accumulating oil using raw glycerol from a biodiesel refinery. The lipid profile showed monounsaturated fatty acids (MUFA) varying between 56 or 74% in pure or raw glycerol, respectively. M. guilliermondii BI281A bears potential as a new biodiesel feedstock.
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Affiliation(s)
- Mauricio Ramírez-Castrillón
- Graduate Program in Cell and Molecular Biology, Biotechnology Center, Federal University of Rio Grande do SulPorto Alegre, Brazil.,Department of Microbiology, Immunology and Parasitology, Federal University of Rio Grande do SulPorto Alegre, Brazil.,Research Group in Mycology (GIM), Research Center in Environmental Basic Sciences (CICBA), Faculty of Basic Sciences, Universidad Santiago de CaliCali, Colombia
| | - Victoria P Jaramillo-Garcia
- Graduate Program in Cell and Molecular Biology, Biotechnology Center, Federal University of Rio Grande do SulPorto Alegre, Brazil
| | - Priscila D Rosa
- Graduate Program in Medical Sciences, Federal University of Rio Grande do SulPorto Alegre, Brazil
| | | | - Duong Vu
- Bioinformatics Research Group, Westerdijk Fungal Biodiversity InstituteUtrecht, Netherlands
| | - Mariana F Fabricio
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande do SulPorto Alegre, Brazil
| | - Marco A Z Ayub
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande do SulPorto Alegre, Brazil
| | - Vincent Robert
- Bioinformatics Research Group, Westerdijk Fungal Biodiversity InstituteUtrecht, Netherlands
| | - João A P Henriques
- Graduate Program in Cell and Molecular Biology, Biotechnology Center, Federal University of Rio Grande do SulPorto Alegre, Brazil
| | - Patricia Valente
- Department of Microbiology, Immunology and Parasitology, Federal University of Rio Grande do SulPorto Alegre, Brazil
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20
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Xu J, Liu D. Exploitation of genus Rhodosporidium for microbial lipid production. World J Microbiol Biotechnol 2017; 33:54. [DOI: 10.1007/s11274-017-2225-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 02/09/2017] [Indexed: 11/25/2022]
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21
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Xavier M, Coradini A, Deckmann A, Franco T. Lipid production from hemicellulose hydrolysate and acetic acid by Lipomyces starkeyi and the ability of yeast to metabolize inhibitors. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2016.11.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Rolz C. Two consecutive step process for ethanol and microbial oil production from sweet sorghum juice. Biochem Eng J 2016. [DOI: 10.1016/j.bej.2016.04.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Gientka I, Gadaszewska M, Błażejak S, Kieliszek M, Bzducha-Wróbel A, Stasiak-Różańska L, Kot AM. Evaluation of lipid biosynthesis ability by Rhodotorula and Sporobolomyces strains in medium with glycerol. Eur Food Res Technol 2016. [DOI: 10.1007/s00217-016-2742-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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24
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Tchakouteu S, Kalantzi O, Gardeli C, Koutinas A, Aggelis G, Papanikolaou S. Lipid production by yeasts growing on biodiesel-derived crude glycerol: strain selection and impact of substrate concentration on the fermentation efficiency. J Appl Microbiol 2015; 118:911-27. [DOI: 10.1111/jam.12736] [Citation(s) in RCA: 112] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2014] [Revised: 11/04/2014] [Accepted: 12/15/2014] [Indexed: 01/23/2023]
Affiliation(s)
- S.S. Tchakouteu
- Department of Food Science and Human Nutrition; Agricultural University of Athens; Athens Greece
| | - O. Kalantzi
- Department of Food Science and Human Nutrition; Agricultural University of Athens; Athens Greece
| | - Chr. Gardeli
- Department of Food Science and Human Nutrition; Agricultural University of Athens; Athens Greece
| | - A.A. Koutinas
- Department of Food Science and Human Nutrition; Agricultural University of Athens; Athens Greece
| | - G. Aggelis
- Unit of Microbiology; Department of Biology; Division of Genetics, Cell and Development Biology; University of Patras; Patras Greece
- Department of Biological Sciences; King Abdulaziz University; Jeddah Saudi Arabia
| | - S. Papanikolaou
- Department of Food Science and Human Nutrition; Agricultural University of Athens; Athens Greece
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