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Ciurko D, Neuvéglise C, Szwechłowicz M, Lazar Z, Janek T. Comparative Analysis of the Alkaline Proteolytic Enzymes of Yarrowia Clade Species and Their Putative Applications. Int J Mol Sci 2023; 24:ijms24076514. [PMID: 37047486 PMCID: PMC10095220 DOI: 10.3390/ijms24076514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/19/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Proteolytic enzymes are commercially valuable and have multiple applications in various industrial sectors. The most studied proteolytic enzymes produced by Yarrowia lipolytica, extracellular alkaline protease (Aep) and extracellular acid protease (Axp), were shown to be good candidates for different biotechnological applications. In this study, we performed a comprehensive analysis of the alkaline proteolytic enzymes of Yarrowia clade species, including phylogenetic studies, synteny analysis, and protease production and application. Using a combination of comparative genomics approaches based on sequence similarity, synteny conservation, and phylogeny, we reconstructed the evolutionary scenario of the XPR2 gene for species of the Yarrowia clade. Furthermore, except for the proteolytic activity of the analyzed Yarrowia clade strains, the brewers’ spent grain (BSG) was used as a substrate to obtain protein hydrolysates with antioxidant activity. For each culture, the degree of hydrolysis was calculated. The most efficient protein hydrolysis was observed in the cultures of Y. lipolytica, Y. galli, and Y. alimentaria. In contrast, the best results obtained using the 2,2-azinobis (3-ethyl-benzothiazoline-6-sulfonic acid (ABTS) method were observed for the culture medium after the growth of Y. divulgata, Y. galli, and Y. lipolytica on BSG.
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Affiliation(s)
- Dominika Ciurko
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland
| | - Cécile Neuvéglise
- SPO, Univ Montpellier, INRAE, Institut Agro, 34060 Montpellier, France
| | - Maciej Szwechłowicz
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland
| | - Zbigniew Lazar
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland
- Correspondence: (Z.L.); (T.J.); Tel.: +48-71-320-7735 (Z.L.); +48-71-320-7734 (T.J.)
| | - Tomasz Janek
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland
- Correspondence: (Z.L.); (T.J.); Tel.: +48-71-320-7735 (Z.L.); +48-71-320-7734 (T.J.)
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Kamineni A, Chen S, Chifamba G, Tsakraklides V. Promoters for lipogenesis-specific downregulation in Yarrowia lipolytica. FEMS Yeast Res 2021; 20:5857169. [PMID: 32533836 PMCID: PMC7335367 DOI: 10.1093/femsyr/foaa035] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 06/11/2020] [Indexed: 12/30/2022] Open
Abstract
Yarrowia lipolytica is a non-conventional yeast with potential applications in the biofuel and biochemical industries. It is an oleaginous yeast that accumulates lipids when it encounters nutrient limitation in the presence of excess carbon. Its molecular toolbox includes promoters for robust constitutive expression, regulated expression through the addition of media components and inducible expression during lipid accumulation. To date, no promoters have been identified that lead to downregulation at the transition from growth to lipid accumulation. We identified four native Y. lipolytica promoters that downregulate the expression of genes at this natural transition. Using the fatty acid desaturase genes FAD2 and OLE1 as reporter genes for these promoters, we correlated repression of desaturase transcript levels with a reduction of desaturated fatty acids at the transition to lipid accumulation. These promoters can restrict to the growth phase an essential or favorable activity that is undesirable during lipid accumulation under traditional fermentation conditions without media additions. This expression pattern results in lipogenesis phase-specific changes that could be useful in applications relating to optimizing lipid yield and composition.
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Affiliation(s)
| | - Shuyan Chen
- Novogy, Inc., 85 Bolton Street, Cambridge MA 02140, USA
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Yarrowia lipolytica Strains and Their Biotechnological Applications: How Natural Biodiversity and Metabolic Engineering Could Contribute to Cell Factories Improvement. J Fungi (Basel) 2021; 7:jof7070548. [PMID: 34356927 PMCID: PMC8307478 DOI: 10.3390/jof7070548] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 11/20/2022] Open
Abstract
Among non-conventional yeasts of industrial interest, the dimorphic oleaginous yeast Yarrowia lipolytica appears as one of the most attractive for a large range of white biotechnology applications, from heterologous proteins secretion to cell factories process development. The past, present and potential applications of wild-type, traditionally improved or genetically modified Yarrowia lipolytica strains will be resumed, together with the wide array of molecular tools now available to genetically engineer and metabolically remodel this yeast. The present review will also provide a detailed description of Yarrowia lipolytica strains and highlight the natural biodiversity of this yeast, a subject little touched upon in most previous reviews. This work intends to fill this gap by retracing the genealogy of the main Yarrowia lipolytica strains of industrial interest, by illustrating the search for new genetic backgrounds and by providing data about the main publicly available strains in yeast collections worldwide. At last, it will focus on exemplifying how advances in engineering tools can leverage a better biotechnological exploitation of the natural biodiversity of Yarrowia lipolytica and of other yeasts from the Yarrowia clade.
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The expression, secretion and activity of the aspartic protease MpAPr1 in Metschnikowia pulcherrima IWBT Y1123. J Ind Microbiol Biotechnol 2019; 46:1733-1743. [PMID: 31420798 DOI: 10.1007/s10295-019-02227-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 08/07/2019] [Indexed: 12/14/2022]
Abstract
Protease-secreting yeasts have broad biotechnological potential for application to various industrial processes, including winemaking. However, this activity is influenced by the yeast response to environmental factors such as nitrogen and protein sources, as are found in grape juice. In this study, the wine-relevant yeast Metschnikowia pulcherrima IWBT Y1123, with known protease-secreting ability, was subjected to different nitrogen-containing compounds to monitor their impact on protease secretion and activity. Protease activity increased above basal levels for haemoglobin-containing treatments, indicating an inductive influence of proteins. On the other hand, treatments containing both haemoglobin and assimilable nitrogen sources led to a delayed increase in protease activity and protein degradation, suggesting a nitrogen catabolite repression mechanism at work. Protease activity and expression were furthermore evaluated in grape juice, which revealed increased expression and activity levels over time as promising results for further investigations into the impact of this yeast on wine properties.
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Snyman C, Theron LW, Divol B. Understanding the regulation of extracellular protease gene expression in fungi: a key step towards their biotechnological applications. Appl Microbiol Biotechnol 2019; 103:5517-5532. [PMID: 31129742 DOI: 10.1007/s00253-019-09902-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/07/2019] [Accepted: 05/07/2019] [Indexed: 12/20/2022]
Abstract
The secretion of proteases by certain species of yeast and filamentous fungi is of importance not only for their biological function and survival, but also for their biotechnological application to various processes in the food, beverage, and bioprocessing industries. A key step towards understanding the role that these organisms play in their environment, and how their protease-secreting ability may be optimally utilised through industrial applications, involves an evaluation of those factors which influence protease production. The objective of this review is to provide an overview of the findings from investigations directed at elucidating the regulatory mechanisms underlying extracellular protease secretion in yeast and filamentous fungi, and the environmental stimuli that elicit these responses. The influence of nitrogen-, carbon-, and sulphur-containing compounds, as well as proteins, temperature, and pH, on extracellular protease regulation, which is frequently exerted at the transcriptional level, is discussed in particular depth. Protease-secreting organisms of biotechnological interest are also presented in this context, in an effort to explore the areas of industrial significance that could possibly benefit from such knowledge. In this way, the establishment of a platform of existing knowledge regarding fungal protease regulation is attempted, with the particular goal of aiding in the practical application of these organisms to processes that require secretion of this enzyme.
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Affiliation(s)
- C Snyman
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Private Bag X1, Matieland, 7602, South Africa
| | - L W Theron
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Private Bag X1, Matieland, 7602, South Africa
| | - B Divol
- Department of Viticulture and Oenology, Institute for Wine Biotechnology, Private Bag X1, Matieland, 7602, South Africa.
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Soong YHV, Liu N, Yoon S, Lawton C, Xie D. Cellular and metabolic engineering of oleaginous yeast Yarrowia lipolytica for bioconversion of hydrophobic substrates into high-value products. Eng Life Sci 2019; 19:423-443. [PMID: 32625020 DOI: 10.1002/elsc.201800147] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 12/12/2018] [Accepted: 02/07/2019] [Indexed: 12/17/2022] Open
Abstract
The non-conventional oleaginous yeast Yarrowia lipolytica is able to utilize both hydrophilic and hydrophobic carbon sources as substrates and convert them into value-added bioproducts such as organic acids, extracellular proteins, wax esters, long-chain diacids, fatty acid ethyl esters, carotenoids and omega-3 fatty acids. Metabolic pathway analysis and previous research results show that hydrophobic substrates are potentially more preferred by Y. lipolytica than hydrophilic substrates to make high-value products at higher productivity, titer, rate, and yield. Hence, Y. lipolytica is becoming an efficient and promising biomanufacturing platform due to its capabilities in biosynthesis of extracellular lipases and directly converting the extracellular triacylglycerol oils and fats into high-value products. It is believed that the cell size and morphology of the Y. lipolytica is related to the cell growth, nutrient uptake, and product formation. Dimorphic Y. lipolytica demonstrates the yeast-to-hypha transition in response to the extracellular environments and genetic background. Yeast-to-hyphal transition regulating genes, such as YlBEM1, YlMHY1 and YlZNC1 and so forth, have been identified to involve as major transcriptional factors that control morphology transition in Y. lipolytica. The connection of the cell polarization including cell cycle and the dimorphic transition with the cell size and morphology in Y. lipolytica adapting to new growth are reviewed and discussed. This review also summarizes the general and advanced genetic tools that are used to build a Y. lipolytica biomanufacturing platform.
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Affiliation(s)
- Ya-Hue Valerie Soong
- Massachusetts Biomanufacturing Center Department of Chemical Engineering University of Massachusetts Lowell Lowell MA USA
| | - Na Liu
- Massachusetts Biomanufacturing Center Department of Chemical Engineering University of Massachusetts Lowell Lowell MA USA
| | - Seongkyu Yoon
- Massachusetts Biomanufacturing Center Department of Chemical Engineering University of Massachusetts Lowell Lowell MA USA
| | - Carl Lawton
- Massachusetts Biomanufacturing Center Department of Chemical Engineering University of Massachusetts Lowell Lowell MA USA
| | - Dongming Xie
- Massachusetts Biomanufacturing Center Department of Chemical Engineering University of Massachusetts Lowell Lowell MA USA
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Affiliation(s)
- Linda L. Lasure
- Biosynthesis Research Laboratory, Industrial Products Group, Miles Laboratories, Inc., Elkhart, Indiana 46514
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8
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Synthetic biology and molecular genetics in non-conventional yeasts: Current tools and future advances. Fungal Genet Biol 2016; 89:126-136. [DOI: 10.1016/j.fgb.2015.12.001] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 11/18/2015] [Accepted: 12/05/2015] [Indexed: 12/16/2022]
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Meunchan M, Michely S, Devillers H, Nicaud JM, Marty A, Neuvéglise C. Comprehensive Analysis of a Yeast Lipase Family in the Yarrowia Clade. PLoS One 2015; 10:e0143096. [PMID: 26580812 PMCID: PMC4651352 DOI: 10.1371/journal.pone.0143096] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 10/30/2015] [Indexed: 11/18/2022] Open
Abstract
Lipases are currently the subject of intensive studies due to their large range of industrial applications. The Lip2p lipase from the yeast Yarrowia lipolytica (YlLIP2) was recently shown to be a good candidate for different biotechnological applications. Using a combination of comparative genomics approaches based on sequence similarity, synteny conservation, and phylogeny, we constructed the evolutionary scenario of the lipase family for six species of the Yarrowia clade. RNA-seq based transcriptome analysis revealed the primary role of LIP2 homologues in the assimilation of different substrates. Once identified, these YlLIP2 homologues were expressed in Y. lipolytica. The lipase Lip2a from Candida phangngensis was shown to naturally present better activity and enantioselectivity than YlLip2. Enantioselectivity was further improved by site-directed mutagenesis targeted to the substrate binding site. The mono-substituted variant V232S displayed enantioselectivity greater than 200 and a 2.5 fold increase in velocity. A double-substituted variant 97A-V232F presented reversed enantioselectivity, with a total preference for the R-enantiomer.
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Affiliation(s)
- Muchalin Meunchan
- Université de Toulouse, INSA, UPS, INP, LISBP, 135 Avenue de Rangueil, F-31077, Toulouse, France
- INRA, UMR792 Ingénierie des Systèmes Biologiques et des Procédés, F-31400, Toulouse, France
- CNRS, UMR5504, F-31400, Toulouse, France
- Department of Biochemistry, Faculty of Science, Khon Kaen University, 123 Mittapap Road, Khon Kaen, 40002, Thailand
| | - Stéphanie Michely
- INRA, UMR 1319 Micalis, F-78352, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, F-78352, Jouy-en-Josas, France
| | - Hugo Devillers
- INRA, UMR 1319 Micalis, F-78352, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, F-78352, Jouy-en-Josas, France
| | - Jean-Marc Nicaud
- INRA, UMR 1319 Micalis, F-78352, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, F-78352, Jouy-en-Josas, France
| | - Alain Marty
- Université de Toulouse, INSA, UPS, INP, LISBP, 135 Avenue de Rangueil, F-31077, Toulouse, France
- INRA, UMR792 Ingénierie des Systèmes Biologiques et des Procédés, F-31400, Toulouse, France
- CNRS, UMR5504, F-31400, Toulouse, France
- * E-mail: (AM); (CN)
| | - Cécile Neuvéglise
- INRA, UMR 1319 Micalis, F-78352, Jouy-en-Josas, France
- AgroParisTech, UMR Micalis, F-78352, Jouy-en-Josas, France
- * E-mail: (AM); (CN)
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11
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Rosi I, Costamagna L, Birtuccion M. SCREENING FOR EXTRACELLULAR ACID PROTEASE(S) PRODUCTION BY WINE YEASTS*. JOURNAL OF THE INSTITUTE OF BREWING 2013. [DOI: 10.1002/j.2050-0416.1987.tb04511.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Madzak C, Beckerich JM. Heterologous Protein Expression and Secretion in Yarrowia lipolytica. YARROWIA LIPOLYTICA 2013. [DOI: 10.1007/978-3-642-38583-4_1] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Moeller L, Zehnsdorf A, Aurich A, Barth G, Bley T, Strehlitz B. Citric acid production from sucrose by recombinantYarrowia lipolyticausing semicontinuous fermentation. Eng Life Sci 2012. [DOI: 10.1002/elsc.201200046] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Lucie Moeller
- Environmental and Biotechnology Centre; Helmholtz Centre for Environmental Research - UFZ; Leipzig; Germany
| | - Andreas Zehnsdorf
- Environmental and Biotechnology Centre; Helmholtz Centre for Environmental Research - UFZ; Leipzig; Germany
| | - Andreas Aurich
- Environmental and Biotechnology Centre; Helmholtz Centre for Environmental Research - UFZ; Leipzig; Germany
| | - Gerold Barth
- Institute of Microbiology; Dresden University of Technology; Dresden; Germany
| | - Thomas Bley
- Institute of Food Technology and Bioprocess Engineering; Dresden University of Technology; Dresden; Germany
| | - Beate Strehlitz
- Environmental and Biotechnology Centre; Helmholtz Centre for Environmental Research - UFZ; Leipzig; Germany
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Ogrydziak DM, Nicaud JM. Characterization of Yarrowia lipolytica XPR2 multi-copy strains over-producing alkaline extracellular protease - a system for rapidly increasing secretory pathway cargo loads. FEMS Yeast Res 2012; 12:938-48. [PMID: 22909173 DOI: 10.1111/j.1567-1364.2012.00846.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Revised: 08/06/2012] [Accepted: 08/07/2012] [Indexed: 01/07/2023] Open
Abstract
Upon transfer to alkaline extracellular protease (AEP) induction medium, strain 773-2 (50 integrated copies of XPR2), derived from highly inbred strain E129, grew for at least 10 h before AEP production began, and then growth rate decreased before increasing again; by then, cells had lost copies of XPR2 (Le Dall et al., 1994). Slowing of growth following AEP induction suggested that increased secretory pathway cargo load was affecting cell growth and that such a system had potential for secretion stress studies. Development of W29-derived XPR2 multi-copy strains and improved AEP induction conditions realized this potential. AEP production was sixfold higher than for 773-2. Rapid AEP induction and slowing of growth by 3 h minimized loss of XPR2 gene copies. Two strains, examined in more detail, differed in initial AEP productivity, extent of slowing of growth during AEP induction, and subsequent recovery of growth rate and AEP productivity demonstrating that the system provides a range of secretion stresses and ensuing adaptations. W29-derived strains should be more 'wild type' than 773-2 for secretory pathway components and their regulation. They should provide an excellent system for kinetic analysis of gene expression responses to acute increases in secretory pathway cargo load.
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Affiliation(s)
- David M Ogrydziak
- Department of Food Science and Technology, University of California, Davis, USA.
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Hong SP, Seip J, Walters-Pollak D, Rupert R, Jackson R, Xue Z, Zhu Q. Engineering Yarrowia lipolytica to express secretory invertase with strong FBA1IN promoter. Yeast 2011; 29:59-72. [PMID: 22222800 DOI: 10.1002/yea.1917] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Accepted: 11/03/2011] [Indexed: 11/07/2022] Open
Abstract
Oleaginous yeast Yarrowia lipolytica is an important host for the production of lipid-derived compounds or heterologous proteins. Selection of strong promoters and effective expression systems is critical for heterologous protein secretion. To search for a strong promoter in Y. lipolytica, activities of FBA1, TDH1 and GPM1 promoters were compared to that of TEF1 promoter by constructing GUS reporter fusions. The FBA1 promoter activity was 2.2 and 5.5 times stronger than the TDH1 and GPM1 promoters, respectively. The FBA1IN promoter (FBA1 sequence of -826 to +169) containing an intron (+64 to +165) showed five-fold higher expression than the FBA1 promoter (-831 to -1). The transcriptional enhancement by the 5'-region within the FBA1 gene was confirmed by GPM1::FBA1 chimeric promoter construction. Using the strong FBA1IN promoter, four different S. cerevisiae SUC2 expression cassettes were tested for the SUC+ phenotype in Y. lipolytica. Functional invertase secretion was facilitated by the Xpr2 prepro-region with an additional 13 amino acids of mature Xpr2, or by the native Suc2 signal sequence. However, these two secretory signals in tandem, or the mature Suc2 with no secretory signal, did not direct secretion of functional invertase. Unlike previously reported Y. lipolytica SUC+ strains, our engineered stains secreted most of invertase into the medium.
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Affiliation(s)
- Seung-Pyo Hong
- Central Research and Development, DuPont Co., Wilmington, DE, USA.
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Blanchin-Roland S. Identical domains of Yarrowia lipolytica Vps23 are required for both ESCRT and Rim pathways, but the latter needs an interaction between the Vps23 UEV domain and Rim8/PalF. FEMS Yeast Res 2011; 11:473-86. [DOI: 10.1111/j.1567-1364.2011.00735.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Kurucová A, Farkasová E, Varecka L, Simkovic M. Spontaneous and protein-induced secretion of proteinases from Saccharomyces cerevisiae. J Basic Microbiol 2010; 49:545-52. [PMID: 19810045 DOI: 10.1002/jobm.200900068] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Many fungi are capable of secreting the wide spectrum of hydrolytic enzymes. We characterized an inducible proteinase secretion in yeasts, Saccharomyces cerevisiae. The proteinase secretion by S. cerevisiae was induced in the presence of yeast extract, or of purified proteins, such as bovine serum albumin, casein, or ovalbumin, and some proteolytic activity was present also without protein inducer. We found that properties of proteinases induced under cultivation conditions were different in various aspects (temperature- and pH-dependencies, substrate specificities, sensitivities to proteinase inhibitors). Proteinase activities were also characterized by gelatin zymography. Multiple proteinase bands with wide-molecular weights (ranging from 45 to 240 kDa) were detected and patterns of proteinase bands were different. S. cerevisiae cells were able to retain the information about previous contacts with protein inducer resulting in faster and more intensive proteinase secretion response after repeated induction.
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Affiliation(s)
- Anita Kurucová
- Department of Biochemistry and Microbiology, Institute of Biochemistry, Nutrition and Health Protection, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovak Republic
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Blanchin-Roland S, Da Costa G, Gaillardin C. Ambient pH signalling in the yeast Yarrowia lipolytica involves YlRim23p/PalC, which interacts with Snf7p/Vps32p, but does not require the long C terminus of YlRim9p/PalI. MICROBIOLOGY-SGM 2008; 154:1668-1676. [PMID: 18524921 DOI: 10.1099/mic.0.2008/017046-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A conserved ambient pH signal transduction pathway has been evidenced in both ascomycetous yeasts and filamentous fungi, called the Rim or Pal pathway, respectively. However, closely related PalC orthologues are found only in Yarrowia lipolytica and in filamentous fungi, where the Rim9p/PalI factor has a much longer C-terminal tail than in other yeasts. We show here that, like Aspergillus nidulans palI mutants, a Ylrim9Delta mutant has a less extreme phenotype than other mutants of the pathway, whereas rim9 mutants in Saccharomyces cerevisiae and Candida albicans reportedly exhibit a tight Rim phenotype. Deletion of the long C-terminal tail of YlRim9p/PalI had no phenotypic effect on ambient pH signalling. We also show that the Y. lipolytica PalC orthologue, named YlRim23p, is absolutely required for the alkaline pH response. Its only interactant identified in a genome-wide two-hybrid screen is YlSnf7/Vps32p, confirming the link between the Rim and the Vps pathways. YlRim13p and YlRim20p both interact with YlSnf7/Vps32p but not with YlRim23p. The long C-terminal tail of YlRim9p/PalI interacts neither with YlRim23p nor with YlSnf7/Vps32p. These results show that YlRim23p is a bona fide component of the Rim pathway in Y. lipolytica and that it participates in the complexes linking pH signalling and endocytosis.
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Affiliation(s)
- Sylvie Blanchin-Roland
- Laboratoire de Microbiologie et Génétique Moléculaire, AgroParisTech, INRA, UMR1238, CNRS, UMR2585, F-78850 Thiverval-Grignon, France
| | - Grégory Da Costa
- Laboratoire de Microbiologie et Génétique Moléculaire, AgroParisTech, INRA, UMR1238, CNRS, UMR2585, F-78850 Thiverval-Grignon, France
| | - Claude Gaillardin
- Laboratoire de Microbiologie et Génétique Moléculaire, AgroParisTech, INRA, UMR1238, CNRS, UMR2585, F-78850 Thiverval-Grignon, France
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Förster A, Aurich A, Mauersberger S, Barth G. Citric acid production from sucrose using a recombinant strain of the yeast Yarrowia lipolytica. Appl Microbiol Biotechnol 2007; 75:1409-17. [PMID: 17447058 DOI: 10.1007/s00253-007-0958-0] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2006] [Revised: 03/20/2007] [Accepted: 03/21/2007] [Indexed: 12/01/2022]
Abstract
The yeast Yarrowia lipolytica is able to secrete high amounts of several organic acids under conditions of growth limitation and carbon source excess. Here we report the production of citric acid (CA) in a fed-batch cultivation process on sucrose using the recombinant Y. lipolytica strain H222-S4(p67ICL1) T5, harbouring the invertase encoding ScSUC2 gene of Saccharomyces cerevisiae under the inducible XPR2 promoter control and multiple ICL1 copies (10-15). The pH-dependent expression of invertase was low at pH 5.0 and was identified as limiting factor of the CA-production bioprocess. The invertase expression was sufficiently enhanced at pH 6.0-6.8 and resulted in production of 127-140 g l(-1) CA with a yield Y (CA) of 0.75-0.82 g g(-1), whereas at pH 5.0, 87 g l (-1) with a yield Y (CA) of 0.51 g g(-1) were produced. The CA-productivity Q (CA) increased from 0.40 g l (-1) h(-1) at pH 5.0 up to 0.73 g l (-1) h(-1) at pH 6.8. Accumulation of glucose and fructose at high invertase expression level at pH 6.8 indicated a limitation of CA production by sugar uptake. The strain H222-S4(p67ICL1) T5 also exhibited a gene-dose-dependent high isocitrate lyase expression resulting in strong reduction (<5%) of isocitric acid, a by-product during CA production.
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Affiliation(s)
- André Förster
- Institut für Mikrobiologie, Technische Universität Dresden, 01062 Dresden, Germany
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21
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Blanchin-Roland S, Costa GD, Gaillardin C. ESCRT-I components of the endocytic machinery are required for Rim101-dependent ambient pH regulation in the yeast Yarrowia lipolytica. MICROBIOLOGY-SGM 2005; 151:3627-3637. [PMID: 16272384 DOI: 10.1099/mic.0.28196-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Ambient pH signalling involves a cascade of conserved Rim or Pal products in ascomycetous yeasts or filamentous fungi, respectively. Insertional mutagenesis in the yeast Yarrowia lipolytica identified two components of the endosome-associated ESCRT-I complex involved in multivesicular body (MVB) vesicle formation, YlVps28p and YlVps23p. They were shown to be required at alkaline pH, like Rim factors, for transcriptional activation of alkaline-induced genes and repression of acid-induced genes. The constitutively active YlRIM101-1119 allele, which suppresses the pH-signalling defects of Ylrim mutations, also suppresses Ylvps defects in pH response, but not in endocytosis. The contribution of the ESCRT-III component Snf7p could not be assessed due to the essential nature of this component in Y. lipolytica. Unlike Rim factors, YlVps4p, a component of the MVB pathway acting downstream from ESCRT complexes, seems not to be required for the alkaline response. In Y. lipolytica, all vps mutations including those affecting YlVPS4, affected growth at acidic pH, a feature not exhibited by Ylrim mutations. These results suggest that Rim and Vps pathways cooperate in ambient pH signalling and that this relation is conserved across the full range of hemiascomycetous yeasts.
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Affiliation(s)
- Sylvie Blanchin-Roland
- Microbiologie et Génétique Moléculaire, Institut National Agronomique Paris-Grignon, Institut National de la Recherche Agronomique UMR1238, Centre National de la Recherche Scientifique UMR2585, 78850 Thiverval-Grignon, France
| | - Grégory Da Costa
- Microbiologie et Génétique Moléculaire, Institut National Agronomique Paris-Grignon, Institut National de la Recherche Agronomique UMR1238, Centre National de la Recherche Scientifique UMR2585, 78850 Thiverval-Grignon, France
| | - Claude Gaillardin
- Microbiologie et Génétique Moléculaire, Institut National Agronomique Paris-Grignon, Institut National de la Recherche Agronomique UMR1238, Centre National de la Recherche Scientifique UMR2585, 78850 Thiverval-Grignon, France
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22
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Gellissen G, Kunze G, Gaillardin C, Cregg JM, Berardi E, Veenhuis M, van der Klei I. New yeast expression platforms based on methylotrophic Hansenula polymorpha and Pichia pastoris and on dimorphic Arxula adeninivorans and Yarrowia lipolytica - a comparison. FEMS Yeast Res 2005; 5:1079-96. [PMID: 16144775 DOI: 10.1016/j.femsyr.2005.06.004] [Citation(s) in RCA: 130] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2005] [Revised: 06/09/2005] [Accepted: 06/09/2005] [Indexed: 11/29/2022] Open
Abstract
Yeasts combine the ease of genetic manipulation and fermentation of a microbial organism with the capability to secrete and to modify proteins according to a general eukaryotic scheme. Yeasts thus provide attractive platforms for the production of recombinant proteins. Here, four important species are presented and compared: the methylotrophic Hansenula polymorpha and Pichia pastoris, distinguished by an increasingly large track record as industrial platforms, and the dimorphic species Arxula adeninivorans and Yarrrowia lipolytica, not yet established as industrial platforms, but demonstrating promising technological potential, as discussed in this article.
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Affiliation(s)
- Gerd Gellissen
- PharmedArtis GmbH, Forckenbeckstr. 6, 52074 Aachen, Germany
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23
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Bhave SL, Chattoo BB. Expression of vitreoscilla hemoglobin improves growth and levels of extracellular enzyme in Yarrowia lipolytica. Biotechnol Bioeng 2004; 84:658-66. [PMID: 14595778 DOI: 10.1002/bit.10817] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Enhancement in oxygen uptake by high-cell-density cultivations has been achieved previously by expression of the bacterial hemoglobin gene from Vitreoscilla. The Vitreoscilla hemoglobin (VHb) gene was expressed in the yeast Yarrowia lipolytica to study the effect of expression in this commercially important yeast. The expression of VHb in this yeast was found to enhance growth, contrary to reported observations in wild-type Saccharomyces cerevisiae in which there was no significant growth enhancement. VHb-expressing Y. lipolytica exhibited higher specific growth rate, enhanced oxygen uptake rate, and higher respiratory activity. We report the beneficial effects of VHb expression on growth under microaerobic as well as under nonlimiting dissolved oxygen conditions. Earlier studies in Y. lipolytica have demonstrated inhibition of mycelia formation by respiratory inhibitors and poor nitrogen source, conditions poor for growth. VHb(+) Y. lipolytica cells were more efficient at forming mycelia, indicating better utilization of available oxygen as compared with the VHb(-) cells. Expression of VHb was also found to increase the levels of enzyme ribonuclease secreted into the medium, a property that may be beneficial for producing heterologous proteins in Y. lipolytica.
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Affiliation(s)
- Sanjay L Bhave
- Department of Microbiology and Biotechnology Center, Faculty of Science, MS University of Baroda, 390002 Gujarat, India
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24
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Fickers P, Nicaud JM, Gaillardin C, Destain J, Thonart P. Carbon and nitrogen sources modulate lipase production in the yeast Yarrowia lipolytica. J Appl Microbiol 2004; 96:742-9. [PMID: 15012812 DOI: 10.1111/j.1365-2672.2004.02190.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS To analyse the influence of nitrogen and carbon sources on extracellular lipase production by Yarrowia lipolytica-overproducing mutant in order to optimize its production in large-scale bioreactors. METHODS AND RESULTS The level of lipase production and LIP2 induction, measured using an LIP2-LacZ reporter gene, were compared for different carbon and nitrogen sources and for different concentrations. The localization of the enzyme during growth was also determined by Western blotting analysis using a six-histidine-tagged lipase. SIGNIFICANCE AND IMPACT OF THE STUDY Tryptone N1 and oleic acid are the most suitable nitrogen and carbon sources for the production of the extracellular lipase by the Y. lipolytica mutant. Higher levels of lipase production were obtained as the tryptone concentration increased in the culture medium. Such a positive correlation was not observed with oleic acid media where the highest lipolytic productivities were obtained in the presence of low concentration. We also demonstrate that in the presence of oleic acid, lipase is cell-bound during the growth phase before being released in the media. CONCLUSIONS This work provides a better understanding of the mechanism controlling LIP2 expression and, thus, extracellular lipase production in the yeast Y. lipolytica.
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Affiliation(s)
- P Fickers
- Service de Technologie Microbienne, Centre Wallon de Biologie Industrielle, Université de Liège, Liège, Belgium.
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25
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Madzak C, Gaillardin C, Beckerich JM. Heterologous protein expression and secretion in the non-conventional yeast Yarrowia lipolytica: a review. J Biotechnol 2004; 109:63-81. [PMID: 15063615 DOI: 10.1016/j.jbiotec.2003.10.027] [Citation(s) in RCA: 275] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2002] [Revised: 09/25/2003] [Accepted: 10/14/2003] [Indexed: 11/20/2022]
Abstract
The production of heterologous proteins is a research field of high interest, with both academic and commercial applications. Yeasts offer a number of advantages as host systems, and, among them, Yarrowia lipolytica appears as one of the most attractive. This non-conventional dimorphic yeast exhibits a remarkable regularity of performance in the efficient secretion of various heterologous proteins. This review presents the main characteristics of Y. lipolytica, and the genetic and molecular tools available in this yeast. A particular emphasis is given to newly developed tools such as efficient promoters, a non-homologous integration method, and an amplification system using defective selection markers. A table recapitulates the 42 heterologous proteins produced until now in Y. lipolytica. A few relevant examples are exposed in more detail, in order to illustrate some peculiar points of the Y. lipolytica physiology, and to offer a comparison with other production systems. This amount of data demonstrates the global reliability and versatility of Y. lipolytica as a host for heterologous production.
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Affiliation(s)
- Catherine Madzak
- Laboratoire de Microbiologie et Génétique Moléculaire (LMGM), INRA/CNRS/INAP-G, Centre de Biotechnologie Agro-Industrielle, BP 01, 78850 Thiverval-Grignon, France.
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26
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Kantarcioglu AS, Yücel A. Phospholipase and protease activities in clinical Candida isolates with reference to the sources of strains. Mycoses 2002; 45:160-5. [PMID: 12100532 DOI: 10.1046/j.1439-0507.2002.00727.x] [Citation(s) in RCA: 132] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The present study was aimed at determining in vitro phospholipase and protease activities in 95 clinical isolates of various Candida species (C. albicans, C. glabrata, C. guilliermondii,C.kefyr, C. krusei, C. lipolytica, C. lusitaniae, C. parapsilosis, C.rugosa and C. tropicalis). 59 (62.1%) of isolates examined were phospholipase positive and 75 (78.9.9%) were protease positive. 56 (93.3%) of C.albicans isolates tested were phospholipase producers - however only a few strains of C. glabrata and C. kefyr behaved in the same way. Protease activity was detected in 57 (95%) of C. albicans strains tested and in a few strains of C. kefyr, C.lipolytica, C. parapsilosis and C. tropicalis- the remaining isolates were negative. 56 strains of C.albicans and 2 strains of C. kefyr tested produced both phospholipase and protease.
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Affiliation(s)
- A Serda Kantarcioglu
- Department of Microbiology and Clinical Microbiology, Cerrahpaşa Medical Faculty, Istanbul University, Istanbul Turkey.
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27
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Gonzalez-Lopez CI, Szabo R, Blanchin-Roland S, Gaillardin C. Genetic control of extracellular protease synthesis in the yeast Yarrowia lipolytica. Genetics 2002; 160:417-27. [PMID: 11861549 PMCID: PMC1461987 DOI: 10.1093/genetics/160.2.417] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Depending on the pH of the growth medium, the yeast Yarrowia lipolytica secretes an acidic protease or an alkaline protease, the synthesis of which is also controlled by carbon, nitrogen, and sulfur availability, as well as by the presence of extracellular proteins. Previous results have indicated that the alkaline protease response to pH was dependent on YlRim101p, YlRim8p/YlPalF, and YlRim21p/YlPalH, three components of a conserved pH signaling pathway initially described in Aspergillus nidulans. To identify other partners of this response pathway, as well as pH-independent regulators of proteases, we searched for mutants that affect the expression of either or both acidic and alkaline proteases, using a YlmTn1-transposed genomic library. Four mutations affected only alkaline protease expression and identified the homolog of Saccharomyces cerevisiae SIN3. Eighty-nine mutations affected the expression of both proteases and identified 10 genes. Five of them define a conserved Rim pathway, which acts, as in other ascomycetes, by activating alkaline genes and repressing acidic genes at alkaline pH. Our results further suggest that in Y. lipolytica this pathway is active at acidic pH and is required for the expression of the acidic AXP1 gene. The five other genes are homologous to S. cerevisiae OPT1, SSY5, VPS28, NUP85, and MED4. YlOPT1 and YlSSY5 are not involved in pH sensing but define at least a second protease regulatory pathway.
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Affiliation(s)
- Claudia I Gonzalez-Lopez
- Laboratoire de Génétique Moléculaire et Cellulaire, Institut National Agronomique Paris-Grignon, Centre National de la Recherche Scientifique URA1925, 78850 Thiverval-Grignon, France
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28
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Pignède G, Wang HJ, Fudalej F, Seman M, Gaillardin C, Nicaud JM. Autocloning and amplification of LIP2 in Yarrowia lipolytica. Appl Environ Microbiol 2000; 66:3283-9. [PMID: 10919782 PMCID: PMC92146 DOI: 10.1128/aem.66.8.3283-3289.2000] [Citation(s) in RCA: 113] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We synthesized a Yarrowia lipolytica strain overproducing lipase for industrial applications by using long terminal repeat (zeta) of the Y. lipolytica retrotransposon Ylt1 and an allele of URA3 with a promoter deletion to construct JMP3. JMP3 is a derivative of plasmid pHSS6 carrying a NotI-NotI cassette which contains a defective URA3 allele, a polylinker sequence, and the zeta region for targeting to multiple sites in the genome of the recipient. We inserted the LIP2 gene (encoding extracellular lipase) under the control of the strong POX2 promoter into JMP3 to generate JMP6. The pHSS6 region was removed by NotI digestion prior to transformation. Two Y. lipolytica strains transformed with the JMP6 LIP2 cassette had a mean of 10 integrated copies devoid of the Escherichia coli region, corresponding to an autocloning event. The copy number in the transformants was stable even after 120 generations in nonselective and lipase-inducing conditions. The resulting strains could produce 0.5 g of active lipase per liter in the supernatant, 40 times more than the single-copy strain with the LIP2 promoter. This work provides a new expression system in Y. lipolytica that results in strains devoid of bacterial DNA and in strains producing a high level of lipase for industrial uses, waste treatment, and pancreatic insufficiency therapy.
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Affiliation(s)
- G Pignède
- Laboratoire Mayoly-Spindler, Service Recherche, Chatou Cedex, France
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29
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Müller S, Sandal T, Kamp-Hansen P, Dalbøge H. Comparison of expression systems in the yeasts Saccharomyces cerevisiae, Hansenula polymorpha, Klyveromyces lactis, Schizosaccharomyces pombe and Yarrowia lipolytica. Cloning of two novel promoters from Yarrowia lipolytica. Yeast 1998; 14:1267-83. [PMID: 9802206 DOI: 10.1002/(sici)1097-0061(1998100)14:14<1267::aid-yea327>3.0.co;2-2] [Citation(s) in RCA: 179] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
We have compared expression systems based on autonomously replicating vectors in the yeasts Saccharomyces cerevisiae, Schizosaccharomyces pombe, Kluyveromyces lactis, Hansenula polymorpha and Yarrowia lipolytica in order to identify a more suitable host organism for use in the expression cloning method (Dalbøge and Heldt-Hansen, 1994) in which S. cerevisiae has traditionally been used. The capacity of the expression systems to secrete active forms of six fungal genes encoding the enzymes galactanase, lipase, polygalacturonase, xylanase and two cellulases was examined, as well as glycosylation pattern, plasmid stability and transformation frequency. All of the examined alternative hosts were able to secrete more active enzyme than S. cerevisiae but the relative expression capacity of the individual hosts varied significantly in a gene-dependent manner. One of the most attractive of the alternative host organisms, Y. lipolytica, yielded an increase which ranged from 4.5 times to more than two orders of magnitude. As the initially employed Y. lipolytica XPR2 promoter is unfit in the context of expression cloning, two novel promoter sequences for highly expressed genes present in only one copy on the genome were isolated. Based on sequence homology, the genes were identified as TEF, encoding translation elongation factor-1 alpha and RPS7, encoding ribosomal protein S7. Using the heterologous cellulase II (celII) and xylanase I (xylI) as reporter genes, the effect of the new promoters was measured in qualitative and quantitative assays. Based on the present tests of the new promoters. Y. lipolytica appears as a highly attractive alternative to S. cerevisiae as a host organism for expression cloning.
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Affiliation(s)
- S Müller
- Microbial Discovery I, Novo Nordisk A/S, Bagsvaerd, Denmark
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30
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Chang CC, Ryu DD, Park CS, Kim JY. Improvement of heterologous protein productivity using recombinant Yarrowia lipolytica and cyclic fed-batch process strategy. Biotechnol Bioeng 1998; 59:379-85. [PMID: 10099350 DOI: 10.1002/(sici)1097-0290(19980805)59:3<379::aid-bit15>3.0.co;2-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A cyclic fed-batch bioprocess is designed and a significant improvement of rice alpha-amylase productivity of recombinant Yarrowia lipolytica is illustrated. A bioprocess control strategy developed and reported here entails use of a genetically stable recombinant cloned for heterologous protein, use of optimized media for cell growth and enzyme production phases, and process control strategy enabling high cell-density culture and high alpha-amylase productivity. This process control can be achieved through maintaining a constant optimal specific cell growth rate at a predetermined value (i.e., 0.1 h-1), controlling medium feed rate commensurate with the cell growth rate, and maintaining a high cell-density culture (i.e., 60-70 g/L) for high productivity of cloned heterologous protein. The volumetric enzyme productivity (1, 960 units/L. h) achieved from the cyclic fed-batch process was about 3-fold higher than that of the fed-batch culture process (630 units/L. h).
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Affiliation(s)
- C C Chang
- Process Development Division, Development Center for Biotechnology, 81 Chang-Hsing Street, Taipei, Taiwan, Republic of China
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31
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Matoba S, Ogrydziak DM. Another factor besides hydrophobicity can affect signal peptide interaction with signal recognition particle. J Biol Chem 1998; 273:18841-7. [PMID: 9668059 DOI: 10.1074/jbc.273.30.18841] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Translocation of alkaline extracellular protease (AEP) into the endoplasmic reticulum of Yarrowia lipolytica is cotranslational and signal recognition particle (SRP)-dependent, whereas translocation of P17M AEP (proline to methionine at position 17, second amino acid in the pro-region) is posttranslational and SRP-independent. P17M signal peptide mutations that resulted in more rapid SRP-dependent translocation of AEP precursor were isolated. Most of these mutations significantly increased hydrophobicity, but the A12P/P17M mutation did not. The switch from SRP-dependent to SRP-independent translocation without a decrease in hydrophobicity (wild type to P17M) and restoration of SRP-dependent translocation without an increase in hydrophobicity (P17M to A12P/P17M) indicate that some factor(s) in addition to hydrophobicity determines selection of targeting pathway. Models of extended forms of wild type and A12P/P17M signal peptides are kinked, whereas the P17M signal peptide is relatively straight. Possibly the conformation/orientation of signal peptides at the ribosomal surface affects SRP binding and consequently the targeting route to the endoplasmic reticulum. Kinked signal peptides might approach SRP more closely more often. Most likely, these effects were only detectable because of the short length and low average hydrophobicity of the AEP signal peptide.
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Affiliation(s)
- S Matoba
- Institute of Marine Resources, University of California, Davis, California 95616, USA
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32
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Lambert M, Blanchin-Roland S, Le Louedec F, Lepingle A, Gaillardin C. Genetic analysis of regulatory mutants affecting synthesis of extracellular proteinases in the yeast Yarrowia lipolytica: identification of a RIM101/pacC homolog. Mol Cell Biol 1997; 17:3966-76. [PMID: 9199331 PMCID: PMC232249 DOI: 10.1128/mcb.17.7.3966] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Depending on the pH of the growth medium, the yeast Yarrowia lipolytica secretes both an acidic proteinase and an alkaline proteinase, the synthesis of which is also controlled by carbon, nitrogen, and sulfur availability, as well as by the presence of extracellular proteins. Recessive mutations at four unlinked loci, named PAL1 to PAL4, were isolated which prevent alkaline proteinase derepression under conditions of carbon and nitrogen limitation at pH 6.8. These mutations markedly affect mating and sporulation. A dominant suppressor of all four PAL mutations was isolated from a wild-type genomic library, which turned out to be a C-terminally truncated form of a 585-residue transcriptional factor of the His2Cys2 zinc finger family, which we propose to call YlRim101p. Another C-terminally truncated version of YlRim101p (419 residues) is encoded by the dominant RPH2 mutation previously isolated as expressing alkaline protease independently of the pH. YlRim101p is homologous to the transcriptional activators Rim101p of Saccharomyces cerevisiae, required for entry into meiosis, and PacC of Aspergillus nidulans and Penicillium chrysogenum, which were recently shown to mediate regulation by ambient pH. YlRim101p appears essential for mating and sporulation and for alkaline proteinase derepression. YlRIM101 expression is autoregulated, maximal at alkaline pH, and strongly impaired by PAL mutations.
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Affiliation(s)
- M Lambert
- Laboratoire de Génétique Moléculaire et Cellulaire INRA-CNRS, Institut National Agronomique Paris-Grignon, Thiverval-Grignon, France
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33
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Chang CC, Ryu DD, Park CS, Kim JY. Enhancement of rice α-amylase production in recombinant Yarrowia lipolytica. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0922-338x(97)82002-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Otero RC, Gaillardin C. Dominant mutations affecting expression of pH-regulated genes in Yarrowia lipolytica. MOLECULAR & GENERAL GENETICS : MGG 1996; 252:311-9. [PMID: 8842151 DOI: 10.1007/bf02173777] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In the yeast Yarrowia lipolytica the levels of the alkaline extracellular protease (AEP) and acid extracellular protease (AXP) are controlled by the pH of the growth medium. When the pH of growth medium is kept close to 4.0, levels of AXP are high and those of AEP are low, whereas at pH above 6.0 the opposite is true. Mutations which mimic the effects on the protease system of growth at alkaline pH have been identified in two genes, RPH1 and RPH2, in Y. lipolytica. Detailed genetic studies showed that mutations in these two genes are dominant in heterozygous diploids, and that their effects are additive in haploid double mutants. These mutants show that pH regulates AEP expression independently from other metabolic signals. These mutants are not detectably affected in their growth rates, nor in internal pH homeostasis.
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Affiliation(s)
- R C Otero
- Laboratoire de Génétique Moléculaire et Cellulaire INRA-CNRS, Institut National Agronomique Paris-Grignon, Thiverval-Grignon, France
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35
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Le Dall M, Nicaud J, Tréton BY, Gaillardin CM. The 3-phosphoglycerate kinase gene of the yeast Yarrowia lipolytica de-represses on gluconeogenic substrates. Curr Genet 1996; 29:446-56. [PMID: 8625424 DOI: 10.1007/bf02221513] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
We have isolated the 3-phosphoglycerate kinase (PGK) gene of the yeast Yarrowia lipolytica by probing a genomic library with a PCR fragment amplified with primers deduced from two highly conserved regions of various PGKs. It is a unique sequence encoding a polypeptide of 417 residues with extensive homology to other PGKs, especially to that of Aspergillus nidulans (76% identity). The expression of the Y. lipolytica PGK1 gene proved to be higher on gluconeogenic substrates than on glycolytic ones. Haploid strains harboring a disrupted allele were able to grow on mixtures of a gluconeogenic carbon source and of a glycolytic one, but required proline supplementation in the presence of glucose, and were inhibited by glycerol.
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Affiliation(s)
- M Le Dall
- Laboratoire de Génétique Moléculaire et Cellulaire, INRA-CNRS, CBAI, Institut National Agronomique, F-78850 Thiverval-Grignon, France
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36
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Alleman MM, Gottlieb M. Enhanced acquisition of purine nucleosides and nucleobases by purine-starved Crithidia luciliae. Mol Biochem Parasitol 1996; 76:279-87. [PMID: 8920013 DOI: 10.1016/0166-6851(96)02566-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The effects of purine starvation on the ability of the trypanosomatid Crithidia luciliae to accumulate purines were determined. Kinetic studies showed that the uptake of the nucleoside adenosine by purine-starved organisms was approximately 7-fold faster than by nutrient-replete cells. Further, these studies demonstrated that purine-starved organisms accumulated the nucleobases hypoxanthine and adenine at a rate > 100-fold faster than organisms cultivated under replete conditions. Activities of several intracellular purine-salvage enzymes were measured in organisms from both culture conditions. Of those measured, the activities of adenine deaminase and hypoxanthine phosphoribosyltransferase were elevated approximately 4-fold and approximately 11-fold, respectively, in purine-starved organisms. Competitive substrate specificity studies suggested that these elevated enzyme activities were not responsible for the increased rates of uptake by purine-starved cells. The results are consistent with the induction of novel surface membrane purine transporters expressed in response to purine starvation. These studies using C. luciliae may provide insights into the mechanisms of trypanosomatid adaptation to altered environments encountered during the course of the life cycle.
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Affiliation(s)
- M M Alleman
- Department of Molecular Microbiology and Immunology, Johns Hopkins University School of Hygiene and Public Health, Baltimore, MD 21205, USA
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37
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Two upstream activation sequences control the expression of the XPR2 gene in the yeast Yarrowia lipolytica. Mol Cell Biol 1994. [PMID: 8264600 DOI: 10.1128/mcb.14.1.327] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We have initiated a study of the promoter region of the alkaline extracellular protease gene (XPR2) from Yarrowia lipolytica to identify upstream sequences possibly involved in carbon, nitrogen, and peptone control of XPR2 expression. Deletion analysis showed that the TATA box and two major upstream activation sequences (UASs) were essential for promoter activity under conditions of repression or full induction. Within the distal UAS (UAS1), in vivo footprinting studies with dimethyl sulfate (DMS) identified two sequences similar to Saccharomyces cerevisiae GCN4 (-800 to -792)- and TUF/RAP1 (-790 to -778)-binding sites and two sequences which partially overlap a repeated sequence (-778 to -771 and -720 to -713) similar to the CAR1 upstream repression sequence of S. cerevisiae. Oligonucleotides carrying the TUF/RAP1-like-binding site and adjacent downstream nucleotides restored full transcriptional activity of a UAS1-deleted promoter. Within the proximal UAS (UAS2), a directly repeated decameric sequence (-146 to -137 and -136 to -127) was protected against DMS in vivo. Sequences identical to the ABF1-binding site of S. cerevisiae (-121 to -109) or similar to the GCN4-binding site (-113 to -105) were not clearly protected from DMS in vivo. An oligomer (-150 to -106) carrying these three sequences, inserted into a UAS2-deleted promoter, increased the transcriptional activity. The results from footprints under different physiological conditions suggested that protein binding to both UASs was constitutive. Deletion of both UASs greatly reduced XPR2 expression without abolishing its regulation. Our results strongly suggest that these UASs are targets for transcriptional factors required for assisting specific regulatory proteins.
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Blanchin-Roland S, Cordero Otero RR, Gaillardin C. Two upstream activation sequences control the expression of the XPR2 gene in the yeast Yarrowia lipolytica. Mol Cell Biol 1994; 14:327-38. [PMID: 8264600 PMCID: PMC358382 DOI: 10.1128/mcb.14.1.327-338.1994] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
We have initiated a study of the promoter region of the alkaline extracellular protease gene (XPR2) from Yarrowia lipolytica to identify upstream sequences possibly involved in carbon, nitrogen, and peptone control of XPR2 expression. Deletion analysis showed that the TATA box and two major upstream activation sequences (UASs) were essential for promoter activity under conditions of repression or full induction. Within the distal UAS (UAS1), in vivo footprinting studies with dimethyl sulfate (DMS) identified two sequences similar to Saccharomyces cerevisiae GCN4 (-800 to -792)- and TUF/RAP1 (-790 to -778)-binding sites and two sequences which partially overlap a repeated sequence (-778 to -771 and -720 to -713) similar to the CAR1 upstream repression sequence of S. cerevisiae. Oligonucleotides carrying the TUF/RAP1-like-binding site and adjacent downstream nucleotides restored full transcriptional activity of a UAS1-deleted promoter. Within the proximal UAS (UAS2), a directly repeated decameric sequence (-146 to -137 and -136 to -127) was protected against DMS in vivo. Sequences identical to the ABF1-binding site of S. cerevisiae (-121 to -109) or similar to the GCN4-binding site (-113 to -105) were not clearly protected from DMS in vivo. An oligomer (-150 to -106) carrying these three sequences, inserted into a UAS2-deleted promoter, increased the transcriptional activity. The results from footprints under different physiological conditions suggested that protein binding to both UASs was constitutive. Deletion of both UASs greatly reduced XPR2 expression without abolishing its regulation. Our results strongly suggest that these UASs are targets for transcriptional factors required for assisting specific regulatory proteins.
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Affiliation(s)
- S Blanchin-Roland
- Laboratoire de Génétique Moléculaire et Cellulaire INRA-CNRS, Institut National Agronomique, Thiverval-Grignon, France
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Paterson IC, Keith Charnley A, Cooper RM, Clarkson JM. Regulation of production of a trypsin-like protease by the insect pathogenic fungus Metarhizium anisopliae. FEMS Microbiol Lett 1993. [DOI: 10.1111/j.1574-6968.1993.tb06188.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Abstract
Many species of yeast secrete significant amounts of protease(s). In this article, results of numerous surveys of yeast extracellular protease production have been compiled and inconsistencies in the data and limitations of the methodology have been examined. Regulation, purification, characterization, and processing of yeast extracellular proteases are reviewed. Results obtained from the sequences of cloned genes, especially the Saccharomyces cerevisiae Bar protease, the Candida albicans acid protease, and the Yarrowia lipolytica alkaline protease, have been emphasized. Biotechnological applications and the medical relevance of yeast extracellular proteases are covered. Yeast extracellular proteases have potential in beer and wine stabilization, and they probably contribute to pathogenicity of Candida spp. Yeast extracellular protease genes also provide secretion and processing signals for yeast expression systems designed for secretion of heterologous proteins. Coverage of the secretion of foreign proteases such as prochymosin, urokinase, and tissue plasminogen activator by yeast in included.
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Affiliation(s)
- D M Ogrydziak
- Institute of Marine Resources, University of California, Davis 95616
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Affiliation(s)
- M A Romanos
- Department of Cell Biology, Wellcome Research Laboratories, Beckenham, Kent, U.K
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Sutar II, Srinivasan MC, Vartak HG. Production of an alkaline proteinase fromConidiobolus coronatus and its use to resolvedl-phenylalanine anddl-phenylglycine. World J Microbiol Biotechnol 1992; 8:254-8. [DOI: 10.1007/bf01201873] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/1991] [Accepted: 10/16/1991] [Indexed: 10/25/2022]
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Levin RE, Witkowski R. Characteristics and identity of obligately aerobic spoilage yeasts from fish silage. THE JOURNAL OF APPLIED BACTERIOLOGY 1991; 71:354-9. [PMID: 1960111 DOI: 10.1111/j.1365-2672.1991.tb03800.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Yarrowia (Candida) lipolytica was the predominant organism isolated from the surface film of growth derived from ground hake gurry to which only phosphoric acid was added to give a pH of 4.0. The optimum pH for the crude extracellular protease activity of two distinguishable strains of Y. lipolytica, designated CL1 and CL2, with casein as substrate was 7.0. The optimum temperature of the crude extracellular protease activity from both strains was 50 degrees C. The addition of 2.0% glucose to broth cultures resulted in a significant increase in final cell mass and extracellular protease activity but resulted in a reduction in the units of protease activity per mg of dry cell mass at initial pH values of 5.6 and 7.0 but not an initial pH of 8.0.
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Affiliation(s)
- R E Levin
- Department of Food Science, Massachusetts Agricultural Experiment Station, University of Massachusetts, Amherst, MA 01003
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Nicaud JM, Fournier P, La Bonnardière C, Chasles M, Gaillardin C. Use of ars18 based vectors to increase protein production in Yarrowia lipolytica. J Biotechnol 1991; 19:259-70. [PMID: 1367240 DOI: 10.1016/0168-1656(91)90063-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The isolation of ars sequence from the yeast Yarrowia lipolytica has recently been reported (Fournier et al., 1991). Vectors containing ars18 have been used to increase homologous and heterologous protein production. Examples presented are the Yarrowia lipolytica alkaline extracellular protease (AEP), the porcine alpha 1-interferon and the bovine prochymosin. A 2- to 6-fold increase in the corresponding protein production was observed and in several cases it was established that it corresponded to the copy number of plasmid in the cell.
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Affiliation(s)
- J M Nicaud
- Laboratoire de Génétique des Microorganismes, Institut National Agronomique Paris-Grignon, Thiverval-Grignon, France
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Fabre E, Nicaud JM, Lopez MC, Gaillardin C. Role of the proregion in the production and secretion of the Yarrowia lipolytica alkaline extracellular protease. J Biol Chem 1991. [DOI: 10.1016/s0021-9258(19)67863-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Nicaud JM, Fabre E, Beckerich J, Fournier P, Gaillardin C. Cloning, sequencing and amplification of the alkaline extracellular protease (XPR2) gene of the yeast Yarrowia lipolytica. J Biotechnol 1989. [DOI: 10.1016/0168-1656(89)90048-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Bigelis R, Black KA. Selection of spontaneous mutants ofYarrowia lipolytica by inositol-less death. ACTA ACUST UNITED AC 1989. [DOI: 10.1007/bf01569639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Nicaud JM, Fabre E, Gaillardin C. Expression of invertase activity in Yarrowia lipolytica and its use as a selective marker. Curr Genet 1989; 16:253-60. [PMID: 2627713 DOI: 10.1007/bf00422111] [Citation(s) in RCA: 96] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Few selective markers are available for the transformation of the industrial yeast Yarrowia lipolytica, and those that are require the use of specialized hosts (e.g., auxotrophs, antibiotic sensitive). To enable the transformation of any Y. lipolytica strain, we used the property that Y. lipolytica cannot use sucrose as a sole carbon source. We have constructed a gene fusion where the Saccharomyces cerevisiae SUC2 gene is placed under the control of the promoter and signal sequence of the Y. lipolytica XPR2 gene, which encodes an Alkaline Extracellular Protease (AEP). Strains bearing this fusion express invertase activity and grow on sucrose as a carbon source. The activity follows the same regulation as does the alkaline extracellular protease, is secreted into the periplasm and confers a Suc+ phenotype. It was shown that this chimeric gene could be used as a dominant marker for transformation in a one-step procedure.
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Affiliation(s)
- J M Nicaud
- Institut National Agronomique, Centre de Biotechnologie, Thiverval-Grignon, France
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St. Leger RJ, Durrands PK, Cooper RM, Charnley AK. Regulation of production of proteolytic enzymes by the entomopathogenic fungus Metarhizium anisopliae. Arch Microbiol 1988. [DOI: 10.1007/bf00408316] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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