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Vasylyshyn R, Dmytruk O, Sybirnyy A, Ruchała J. Engineering of Ogataea polymorpha strains with ability for high-temperature alcoholic fermentation of cellobiose. FEMS Yeast Res 2024; 24:foae007. [PMID: 38400543 DOI: 10.1093/femsyr/foae007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 01/30/2024] [Accepted: 02/22/2024] [Indexed: 02/25/2024] Open
Abstract
Successful conversion of cellulosic biomass into biofuels requires organisms capable of efficiently utilizing xylose as well as cellodextrins and glucose. Ogataea (Hansenula) polymorpha is the natural xylose-metabolizing organism and is one of the most thermotolerant yeasts known, with a maximum growth temperature above 50°C. Cellobiose-fermenting strains, derivatives of an improved ethanol producer from xylose O. polymorpha BEP/cat8∆, were constructed in this work by the introduction of heterologous genes encoding cellodextrin transporters (CDTs) and intracellular enzymes (β-glucosidase or cellobiose phosphorylase) that hydrolyze cellobiose. For this purpose, the genes gh1-1 of β-glucosidase, CDT-1m and CDT-2m of cellodextrin transporters from Neurospora crassa and the CBP gene coding for cellobiose phosphorylase from Saccharophagus degradans, were successfully expressed in O. polymorpha. Through metabolic engineering and mutagenesis, strains BEP/cat8∆/gh1-1/CDT-1m and BEP/cat8∆/CBP-1/CDT-2mAM were developed, showing improved parameters for high-temperature alcoholic fermentation of cellobiose. The study highlights the need for further optimization to enhance ethanol yields and elucidate cellobiose metabolism intricacies in O. polymorpha yeast. This is the first report of the successful development of stable methylotrophic thermotolerant strains of O. polymorpha capable of coutilizing cellobiose, glucose, and xylose under high-temperature alcoholic fermentation conditions at 45°C.
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Affiliation(s)
- Roksolana Vasylyshyn
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D Street, 35-601 Rzeszow, Poland
- Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAN of Ukraine, Drahomanov Street 14/16, 79005 Lviv, Ukraine
| | - Olena Dmytruk
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D Street, 35-601 Rzeszow, Poland
- Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAN of Ukraine, Drahomanov Street 14/16, 79005 Lviv, Ukraine
| | - Andriy Sybirnyy
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D Street, 35-601 Rzeszow, Poland
- Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAN of Ukraine, Drahomanov Street 14/16, 79005 Lviv, Ukraine
| | - Justyna Ruchała
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D Street, 35-601 Rzeszow, Poland
- Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAN of Ukraine, Drahomanov Street 14/16, 79005 Lviv, Ukraine
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Gao J, Yu W, Li Y, Jin M, Yao L, Zhou YJ. Engineering co-utilization of glucose and xylose for chemical overproduction from lignocellulose. Nat Chem Biol 2023; 19:1524-1531. [PMID: 37620399 DOI: 10.1038/s41589-023-01402-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 07/10/2023] [Indexed: 08/26/2023]
Abstract
Bio-refining lignocellulose could provide a sustainable supply of fuels and fine chemicals; however, the challenges associated with the co-utilization of xylose and glucose typically compromise the efficiency of lignocellulose conversion. Here we engineered the industrial yeast Ogataea polymorpha (Hansenula polymorpha) for lignocellulose biorefinery by facilitating the co-utilization of glucose and xylose to optimize the production of free fatty acids (FFAs) and 3-hydroxypropionic acid (3-HP) from lignocellulose. We rewired the central metabolism for the enhanced supply of acetyl-coenzyme A and nicotinamide adenine dinucleotide phosphate hydrogen, obtaining 30.0 g l-1 of FFAs from glucose, with productivity of up to 0.27 g l-1 h-1. Strengthening xylose uptake and catabolism promoted the synchronous utilization of glucose and xylose, which enabled the production of 38.2 g l-1 and 7.0 g l-1 FFAs from the glucose-xylose mixture and lignocellulosic hydrolysates, respectively. Finally, this efficient cell factory was metabolically transformed for 3-HP production with the highest titer of 79.6 g l-1 in fed-batch fermentation in mixed glucose and xylose.
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Affiliation(s)
- Jiaoqi Gao
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
| | - Wei Yu
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- University of Chinese Academy of Sciences, Beijing, PR China
| | - Yunxia Li
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
| | - Mingjie Jin
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, PR China
| | - Lun Yao
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China
| | - Yongjin J Zhou
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China.
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China.
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, PR China.
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Wu Y, Feng S, Sun Z, Hu Y, Jia X, Zeng B. An outlook to sophisticated technologies and novel developments for metabolic regulation in the Saccharomyces cerevisiae expression system. Front Bioeng Biotechnol 2023; 11:1249841. [PMID: 37869712 PMCID: PMC10586203 DOI: 10.3389/fbioe.2023.1249841] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/04/2023] [Indexed: 10/24/2023] Open
Abstract
Saccharomyces cerevisiae is one of the most extensively used biosynthetic systems for the production of diverse bioproducts, especially biotherapeutics and recombinant proteins. Because the expression and insertion of foreign genes are always impaired by the endogenous factors of Saccharomyces cerevisiae and nonproductive procedures, various technologies have been developed to enhance the strength and efficiency of transcription and facilitate gene editing procedures. Thus, the limitations that block heterologous protein secretion have been overcome. Highly efficient promoters responsible for the initiation of transcription and the accurate regulation of expression have been developed that can be precisely regulated with synthetic promoters and double promoter expression systems. Appropriate codon optimization and harmonization for adaption to the genomic codon abundance of S. cerevisiae are expected to further improve the transcription and translation efficiency. Efficient and accurate translocation can be achieved by fusing a specifically designed signal peptide to an upstream foreign gene to facilitate the secretion of newly synthesized proteins. In addition to the widely applied promoter engineering technology and the clear mechanism of the endoplasmic reticulum secretory pathway, the innovative genome editing technique CRISPR/Cas (clustered regularly interspaced short palindromic repeats/CRISPR-associated system) and its derivative tools allow for more precise and efficient gene disruption, site-directed mutation, and foreign gene insertion. This review focuses on sophisticated engineering techniques and emerging genetic technologies developed for the accurate metabolic regulation of the S. cerevisiae expression system.
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Affiliation(s)
| | | | | | | | | | - Bin Zeng
- College of Pharmacy, Shenzhen Technology University, Shenzhen, Guangdong, China
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Collins JH, Young EM. Draft genome of the Ogataea polymorpha type strain CBS 4732. Microbiol Resour Announc 2023; 12:e0061122. [PMID: 37530527 PMCID: PMC10508121 DOI: 10.1128/mra.00611-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 06/28/2023] [Indexed: 08/03/2023] Open
Abstract
The methylotrophic yeast Ogataea polymorpha is of significant biotechnological interest, particularly in high-temperature fermentations and for recombinant protein production. Here, we present a high-quality genome assembly for the O. polymorpha type strain CBS 4732.
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Affiliation(s)
- Joseph H. Collins
- Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Eric M. Young
- Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
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Donzella L, Sousa MJ, Morrissey JP. Evolution and functional diversification of yeast sugar transporters. Essays Biochem 2023; 67:811-827. [PMID: 36928992 PMCID: PMC10500205 DOI: 10.1042/ebc20220233] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023]
Abstract
While simple sugars such as monosaccharides and disaccharide are the typical carbon source for most yeasts, whether a species can grow on a particular sugar is generally a consequence of presence or absence of a suitable transporter to enable its uptake. The most common transporters that mediate sugar import in yeasts belong to the major facilitator superfamily (MFS). Some of these, for example the Saccharomyces cerevisiae Hxt proteins have been extensively studied, but detailed information on many others is sparce. In part, this is because there are many lineages of MFS transporters that are either absent from, or poorly represented in, the model S. cerevisiae, which actually has quite a restricted substrate range. It is important to address this knowledge gap to gain better understanding of the evolution of yeasts and to take advantage of sugar transporters to exploit or engineer yeasts for biotechnological applications. This article examines the full repertoire of MFS proteins in representative budding yeasts (Saccharomycotina). A comprehensive analysis of 139 putative sugar transporters retrieved from 10 complete genomes sheds new light on the diversity and evolution of this family. Using the phylogenetic lens, it is apparent that proteins have often been misassigned putative functions and this can now be corrected. It is also often seen that patterns of expansion of particular genes reflects the differential importance of transport of specific sugars (and related molecules) in different yeasts, and this knowledge also provides an improved resource for the selection or design of tailored transporters.
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Affiliation(s)
- Lorena Donzella
- School of Microbiology, Environmental Research Institute, APC Microbiome Ireland, SUSFERM Research Centre, University College Cork, T12 K8AF, Cork, Ireland
- Department of Biology, CBMA (Centre of Molecular and Environmental Biology), University of Minho, Braga, Portugal
| | - Maria João Sousa
- Department of Biology, CBMA (Centre of Molecular and Environmental Biology), University of Minho, Braga, Portugal
| | - John P Morrissey
- School of Microbiology, Environmental Research Institute, APC Microbiome Ireland, SUSFERM Research Centre, University College Cork, T12 K8AF, Cork, Ireland
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Vedernikovs N, Khroustalyova G, Muiznieks I, Rapoport A. New concept for conversion of lignocellulose to ethanol and furfural. Appl Microbiol Biotechnol 2023; 107:535-542. [PMID: 36607404 DOI: 10.1007/s00253-022-12353-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 01/07/2023]
Abstract
Studies on the chemical mechanisms of furfural formation showed the possibility to apply a new differential catalysis of hemicellulose - its depolymerisation and pentose dehydration to furfural. This change led to the increase in furfural yield and essential decrease of cellulose destruction. The lignocellulose residue that remains after the production of furfural may be subjected to enzymatic hydrolysis to glucose and the subsequent fermentation to ethanol. The remaining lignin appeared to be suitable for the production of additional various value-added products including medicinal mushrooms and laccase-containing enzyme complexes. Based on these developments, an innovative concept is proposed for the waste-free use of lignocellulose to obtain various valuable products. KEY POINTS: • New chemical mechanism of furfural production. • New lignocellulose pretreatment does not damage cellulose and lignin. • Lignocellulose may be processed using waste-free technology.
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Affiliation(s)
- Nikolajs Vedernikovs
- Latvian State Institute of Wood Chemistry, Dzerbenes Str., 27, Riga, LV-1006, Latvia
| | - Galina Khroustalyova
- Laboratory of Cell Biology, Institute of Microbiology and Biotechnology, University of Latvia, Jelgavas Str., 1-537, Riga, LV-1004, Latvia
| | - Indrikis Muiznieks
- Department of Microbiology and Biotechnology, Faculty of Biology, University of Latvia, Jelgavas Str., 1, Riga, LV-1004, Latvia
| | - Alexander Rapoport
- Laboratory of Cell Biology, Institute of Microbiology and Biotechnology, University of Latvia, Jelgavas Str., 1-537, Riga, LV-1004, Latvia.
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Sibirny AA. Metabolic engineering of non-conventional yeasts for construction of the advanced producers of biofuels and high-value chemicals. BBA ADVANCES 2022; 3:100071. [PMID: 37082251 PMCID: PMC10074886 DOI: 10.1016/j.bbadva.2022.100071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Non-conventional yeasts, i.e. yeasts different from Saccharomyces cerevisiae, represent heterogenous group of unicellular fungi consisting of near 1500 species. Some of these species have interesting and sometimes unique properties like ability to grow on methanol, n-alkanes, ferment pentose sugars xylose and l-arabinose, grow at high temperatures (50°С and more), overproduce riboflavin (vitamin B2) and others. These unique properties are important for development of basic science; moreover, some of them possess also significant applied interest for elaboration of new biotechnologies. Current paper represents review of the recent own results and of those of other authors in the field of non-conventional yeast study for construction of the advanced producers of biofuels (ethanol, isobutanol) from lignocellulosic sugars glucose and xylose or crude glycerol (Ogataea polymorpha, Magnusiomyces magnusii) and vitamin B2 (riboflavin) from glucose and cheese whey (Candida famata).
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Affiliation(s)
- Andriy A. Sibirny
- Institute of Cell Biology, NAS of Ukraine, Drahomanov Street 14/16, Lviv 79005 Ukraine
- University of Rzeszow, Zelwerowicza 4, Rzeszow 35-601 Poland
- Corresponding author at: Institute of Cell Biology, NAS of Ukraine, Drahomanov Street 14/16, Lviv 79005 Ukraine.
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Semkiv MV, Ruchala J, Tsaruk AY, Zazulya AZ, Vasylyshyn RV, Dmytruk OV, Zuo M, Kang Y, Dmytruk KV, Sibirny AA. The role of hexose transporter-like sensor hxs1 and transcription activator involved in carbohydrate sensing azf1 in xylose and glucose fermentation in the thermotolerant yeast Ogataea polymorpha. Microb Cell Fact 2022; 21:162. [PMID: 35964033 PMCID: PMC9375311 DOI: 10.1186/s12934-022-01889-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 08/06/2022] [Indexed: 11/24/2022] Open
Abstract
Background Fuel ethanol from lignocellulose could be important source of renewable energy. However, to make the process feasible, more efficient microbial fermentation of pentose sugars, mainly xylose, should be achieved. The native xylose-fermenting thermotolerant yeast Ogataea polymorpha is a promising organism for further development. Efficacy of xylose alcoholic fermentation by O. polymorpha was significantly improved by metabolic engineering. Still, genes involved in regulation of xylose fermentation are insufficiently studied. Results We isolated an insertional mutant of O.polymorpha with impaired ethanol production from xylose. The insertion occurred in the gene HXS1 that encodes hexose transporter-like sensor, a close homolog of Saccharomyces cerevisiae sensors Snf3 and Rgt2. The role of this gene in xylose utilization and fermentation was not previously elucidated. We additionally analyzed O.polymorpha strains with the deletion and overexpression of the corresponding gene. Strains with deletion of the HXS1 gene had slower rate of glucose and xylose consumption and produced 4 times less ethanol than the wild-type strain, whereas overexpression of HXS1 led to 10% increase of ethanol production from glucose and more than 2 times increase of ethanol production from xylose. We also constructed strains of O.polymorpha with overexpression of the gene AZF1 homologous to S. cerevisiae AZF1 gene which encodes transcription activator involved in carbohydrate sensing. Such transformants produced 10% more ethanol in glucose medium and 2.4 times more ethanol in xylose medium. Besides, we deleted the AZF1 gene in O. polymorpha. Ethanol accumulation in xylose and glucose media in such deletion strains dropped 1.5 and 1.8 times respectively. Overexpression of the HXS1 and AZF1 genes was also obtained in the advanced ethanol producer from xylose. The corresponding strains were characterized by 20–40% elevated ethanol accumulation in xylose medium. To understand underlying mechanisms of the observed phenotypes, specific enzymatic activities were evaluated in the isolated recombinant strains. Conclusions This paper shows the important role of hexose sensor Hxs1 and transcription factor Azf1 in xylose and glucose alcoholic fermentation in the native xylose-fermenting yeast O. polymorpha and suggests potential importance of the corresponding genes for construction of the advanced ethanol producers from the major sugars of lignocellulose.
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Affiliation(s)
- Marta V Semkiv
- Institute of Cell Biology, NAS of Ukraine, Drahomanov St, 14/16, 79005, Lviv, Ukraine
| | - Justyna Ruchala
- University of Rzeszow, Zelwerowicza 4, 35-601, Rzeszow, Poland
| | - Aksynia Y Tsaruk
- Institute of Cell Biology, NAS of Ukraine, Drahomanov St, 14/16, 79005, Lviv, Ukraine
| | - Anastasiya Z Zazulya
- Institute of Cell Biology, NAS of Ukraine, Drahomanov St, 14/16, 79005, Lviv, Ukraine
| | | | - Olena V Dmytruk
- Institute of Cell Biology, NAS of Ukraine, Drahomanov St, 14/16, 79005, Lviv, Ukraine.,University of Rzeszow, Zelwerowicza 4, 35-601, Rzeszow, Poland
| | - MingXing Zuo
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guizhou, 550014, Guiyang, China
| | - Yingqian Kang
- Department of Microbiology, School of Basic Medical Sciences, Guizhou Medical University, Guizhou, 550014, Guiyang, China
| | - Kostyantyn V Dmytruk
- Institute of Cell Biology, NAS of Ukraine, Drahomanov St, 14/16, 79005, Lviv, Ukraine.,University of Rzeszow, Zelwerowicza 4, 35-601, Rzeszow, Poland
| | - Andriy A Sibirny
- Institute of Cell Biology, NAS of Ukraine, Drahomanov St, 14/16, 79005, Lviv, Ukraine. .,University of Rzeszow, Zelwerowicza 4, 35-601, Rzeszow, Poland.
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Li Y, Zhai X, Yu W, Feng D, Shah AA, Gao J, Zhou YJ. Production of free fatty acids from various carbon sources by Ogataea polymorpha. BIORESOUR BIOPROCESS 2022; 9:78. [PMID: 38647893 PMCID: PMC10992350 DOI: 10.1186/s40643-022-00566-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/16/2022] [Indexed: 11/10/2022] Open
Abstract
Energy shortage and environmental concern urgently require establishing the feasible bio-refinery process from various feedstocks. The methylotrophic yeast Ogataea polymorpha is thermo-tolerant and can utilize various carbon sources, such as glucose, xylose and methanol, which makes it a promising host for bio-manufacturing. Here, we explored the capacity of O. polymorpha for overproduction of free fatty acids (FFAs) from multiple substrates. The engineered yeast produced 674 mg/L FFA from 20 g/L glucose in shake flask and could sequentially utilize the mixture of glucose and xylose. However, the FFA producing strain failed to survive in sole methanol and supplementing co-substrate xylose promoted methanol metabolism. A synergistic utilization of xylose and methanol was observed in the FFA producing strain. Finally, a mixture of glucose, xylose and methanol was evaluated for FFA production (1.2 g/L). This study showed that O. polymorpha is an ideal host for chemical production from various carbon sources.
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Affiliation(s)
- Yunxia Li
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
| | - XiaoXin Zhai
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
| | - Wei Yu
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Dao Feng
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People's Republic of China
| | - Aamer Ali Shah
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Jiaoqi Gao
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People's Republic of China.
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China.
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, People's Republic of China.
| | - Yongjin J Zhou
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People's Republic of China.
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China.
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, 457 Zhongshan Road, Dalian, 116023, People's Republic of China.
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Wang L, Guo S, Zeng B, Wang S, Chen Y, Cheng S, Liu B, Wang C, Wang Y, Meng Q. Draft Genome Assembly and Annotation for Cutaneotrichosporon dermatis NICC30027, an Oleaginous Yeast Capable of Simultaneous Glucose and Xylose Assimilation. MYCOBIOLOGY 2022; 50:69-81. [PMID: 35291590 PMCID: PMC8890563 DOI: 10.1080/12298093.2022.2038844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/10/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
The identification of oleaginous yeast species capable of simultaneously utilizing xylose and glucose as substrates to generate value-added biological products is an area of key economic interest. We have previously demonstrated that the Cutaneotrichosporon dermatis NICC30027 yeast strain is capable of simultaneously assimilating both xylose and glucose, resulting in considerable lipid accumulation. However, as no high-quality genome sequencing data or associated annotations for this strain are available at present, it remains challenging to study the metabolic mechanisms underlying this phenotype. Herein, we report a 39,305,439 bp draft genome assembly for C. dermatis NICC30027 comprised of 37 scaffolds, with 60.15% GC content. Within this genome, we identified 524 tRNAs, 142 sRNAs, 53 miRNAs, 28 snRNAs, and eight rRNA clusters. Moreover, repeat sequences totaling 1,032,129 bp in length were identified (2.63% of the genome), as were 14,238 unigenes that were 1,789.35 bp in length on average (64.82% of the genome). The NCBI non-redundant protein sequences (NR) database was employed to successfully annotate 11,795 of these unigenes, while 3,621 and 11,902 were annotated with the Swiss-Prot and TrEMBL databases, respectively. Unigenes were additionally subjected to pathway enrichment analyses using the Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), Cluster of Orthologous Groups of proteins (COG), Clusters of orthologous groups for eukaryotic complete genomes (KOG), and Non-supervised Orthologous Groups (eggNOG) databases. Together, these results provide a foundation for future studies aimed at clarifying the mechanistic basis for the ability of C. dermatis NICC30027 to simultaneously utilize glucose and xylose to synthesize lipids.
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Affiliation(s)
- Laiyou Wang
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Shuxian Guo
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Bo Zeng
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Shanshan Wang
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Yan Chen
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Shuang Cheng
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Bingbing Liu
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Chunyan Wang
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang, China
- Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology, Nanyang Institute of Technology, Nanyang, China
| | - Yu Wang
- College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China
| | - Qingshan Meng
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
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11
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Erian AM, Sauer M. Utilizing yeasts for the conversion of renewable feedstocks to sugar alcohols - a review. BIORESOURCE TECHNOLOGY 2022; 346:126296. [PMID: 34798255 DOI: 10.1016/j.biortech.2021.126296] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 06/13/2023]
Abstract
Sugar alcohols are widely marketed compounds. They are useful building block chemicals and of particular value as low- or non-calorigenic sweeteners, serving as sugar substitutes in the food industry. To date most sugar alcohols are produced by chemical routes using pure sugars, but a transition towards the use of renewable, non-edible feedstocks is anticipated. Several yeasts are naturally able to convert renewable feedstocks, such as lignocellulosic substrates, glycerol and molasses, into sugar alcohols. These bioconversions often face difficulties to obtain sufficiently high yields and productivities necessary for industrialization. This review provides insight into the most recent studies on utilizing yeasts for the conversion of renewable feedstocks to diverse sugar alcohols, including xylitol, erythritol, mannitol and arabitol. Moreover, metabolic approaches are highlighted that specifically target shortcomings of sugar alcohol production by yeasts from these renewable substrates.
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Affiliation(s)
- Anna Maria Erian
- CD-Laboratory for Biotechnology of Glycerol, Muthgasse 18, Vienna, Austria; University of Natural Resources and Life Sciences, Vienna, Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, Muthgasse 18, 1190 Vienna, Austria
| | - Michael Sauer
- CD-Laboratory for Biotechnology of Glycerol, Muthgasse 18, Vienna, Austria; University of Natural Resources and Life Sciences, Vienna, Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, Muthgasse 18, 1190 Vienna, Austria.
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12
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Transporter engineering promotes the co-utilization of glucose and xylose by Candida glycerinogenes for d-xylonate production. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Kim J, Hwang S, Lee SM. Metabolic engineering for the utilization of carbohydrate portions of lignocellulosic biomass. Metab Eng 2021; 71:2-12. [PMID: 34626808 DOI: 10.1016/j.ymben.2021.10.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/16/2021] [Accepted: 10/03/2021] [Indexed: 01/01/2023]
Abstract
The petrochemical industry has grown to meet the need for massive production of energy and commodities along with an explosive population growth; however, serious side effects such as greenhouse gas emissions and global warming have negatively impacted the environment. Lignocellulosic biomass with myriad quantities on Earth is an attractive resource for the production of carbon-neutral fuels and chemicals through environmentally friendly processes of microbial fermentation. This review discusses metabolic engineering efforts to achieve economically feasible industrial production of fuels and chemicals from microbial cell factories using the carbohydrate portion of lignocellulosic biomass as substrates. The combined knowledge of systems biology and metabolic engineering has been applied to construct robust platform microorganisms with maximum conversion of monomeric sugars, such as glucose and xylose, derived from lignocellulosic biomass. By comprehensively revisiting carbon conversion pathways, we provide a rationale for engineering strategies, as well as their features, feasibility, and recent representative studies. In addition, we briefly discuss how tools in systems biology can be applied in the field of metabolic engineering to accelerate the development of microbial cell factories that convert lignocellulosic biomass into carbon-neutral fuels and chemicals with economic feasibility.
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Affiliation(s)
- Jiwon Kim
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea; Department of Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Sungmin Hwang
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Sun-Mi Lee
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea; Clean Energy and Chemical Engineering, University of Science and Technology, Daejeon, 34113, Republic of Korea; Green School (Graduate School of Energy and Environment), Korea University, Seoul, 02841, Republic of Korea.
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14
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Identification of key residues for efficient glucose transport by the hexose transporter CgHxt4 in high sugar fermentation yeast Candida glycerinogenes. Appl Microbiol Biotechnol 2021; 105:7295-7307. [PMID: 34515842 DOI: 10.1007/s00253-021-11567-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 08/03/2021] [Accepted: 09/01/2021] [Indexed: 10/20/2022]
Abstract
Efficient hexose transporters are essential for the development of industrial yeast strains with high fermentation performance. We previously identified a hexose transporter, CgHxt4, with excellent sugar uptake performance at ultra-high glucose concentrations (200 g/L) in the high sugar fermenting yeast C. glycerinogenes. To understand the working mechanism of this transporter, we constructed 87 mutants and examined their glucose uptake performance. The results revealed that five residues (N321, N322, F325, G426, and P427) are essential for the efficient glucose transport of CgHxt4. Subsequently, we focused our analysis on the roles of N321 and P427. Specifically, N321 and P427 are likely to play a role in glucose coordination and conformational flexibility, respectively. Our results help to expand the application potential of this transporter and provide insights into the working mechanism of yeast hexose transporter. KEY POINTS: • Five residues, transmembrane segments 7 and 10, were found to be essential for CgHxt4. • N321 and P427 are likely to play a role in glucose coordination and conformational flexibility, respectively. • Chimeric CgHxt5.4TM7 significantly enhanced the performance of CgHxt5.
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15
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Kwon DH, Kim SB, Park, JB, Ha SJ. Overexpression of Mutant Galactose Permease ( ScGal2_N376F) Effective for Utilization of Glucose/Xylose or Glucose/ Galactose Mixture by Engineered Kluyveromyces marxianus. J Microbiol Biotechnol 2020; 30:1944-1949. [PMID: 33046681 PMCID: PMC9728301 DOI: 10.4014/jmb.2008.08035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/28/2020] [Accepted: 10/05/2020] [Indexed: 12/15/2022]
Abstract
Mutant sugar transporter ScGAL2-N376F was overexpressed in Kluyveromyces marxianus for efficient utilization of xylose, which is one of the main components of cellulosic biomass. K. marxianus ScGal2_N376F, the ScGAL2-N376F-overexpressing strain, exhibited 47.04 g/l of xylose consumption and 26.55 g/l of xylitol production, as compared to the parental strain (24.68 g/l and 7.03 g/l, respectively) when xylose was used as the sole carbon source. When a mixture of glucose and xylose was used as the carbon source, xylose consumption and xylitol production rates were improved by 195% and 360%, respectively, by K. marxianus ScGal2_N376F. Moreover, the glucose consumption rate was improved by 27% as compared to that in the parental strain. Overexpression of both wild-type ScGAL2 and mutant ScGAL2-N376F showed 48% and 52% enhanced sugar consumption and ethanol production rates, respectively, when a mixture of glucose and galactose was used as the carbon source, which is the main component of marine biomass. As shown in this study, ScGAL2-N376F overexpression can be applied for the efficient production of biofuels or biochemicals from cellulosic or marine biomass.
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Affiliation(s)
- Deok-Ho Kwon
- Department of Bioengineering and Technology, Kangwon National University, Chuncheon 2434, Republic of Korea,Interdisciplinary Program in Biohealth-Machinery Convergence Engineering, Kangwon National University, Chuncheon 2441, Republic of Korea
| | - Saet-Byeol Kim
- Department of Bioengineering and Technology, Kangwon National University, Chuncheon 2434, Republic of Korea
| | - Jae-Bum Park,
- Department of Bioengineering and Technology, Kangwon National University, Chuncheon 2434, Republic of Korea
| | - Suk-Jin Ha
- Department of Bioengineering and Technology, Kangwon National University, Chuncheon 2434, Republic of Korea,Institute of Fermentation and Brewing, Kangwon National University, Chuncheon 4341, Republic of Korea,Interdisciplinary Program in Biohealth-Machinery Convergence Engineering, Kangwon National University, Chuncheon 2441, Republic of Korea,Corresponding author Phone: +82-33-250-6278 Fax: +82-33-243-6350 E-mail:
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16
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Ruchala J, Sibirny AA. Pentose metabolism and conversion to biofuels and high-value chemicals in yeasts. FEMS Microbiol Rev 2020; 45:6034013. [PMID: 33316044 DOI: 10.1093/femsre/fuaa069] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/09/2020] [Indexed: 12/15/2022] Open
Abstract
Pentose sugars are widespread in nature and two of them, D-xylose and L-arabinose belong to the most abundant sugars being the second and third by abundance sugars in dry plant biomass (lignocellulose) and in general on planet. Therefore, it is not surprising that metabolism and bioconversion of these pentoses attract much attention. Several different pathways of D-xylose and L-arabinose catabolism in bacteria and yeasts are known. There are even more common and really ubiquitous though not so abundant pentoses, D-ribose and 2-deoxy-D-ribose, the constituents of all living cells. Thus, ribose metabolism is example of endogenous metabolism whereas metabolism of other pentoses, including xylose and L-arabinose, represents examples of the metabolism of foreign exogenous compounds which normally are not constituents of yeast cells. As a rule, pentose degradation by the wild-type strains of microorganisms does not lead to accumulation of high amounts of valuable substances; however, productive strains have been obtained by random selection and metabolic engineering. There are numerous reviews on xylose and (less) L-arabinose metabolism and conversion to high value substances; however, they mostly are devoted to bacteria or the yeast Saccharomyces cerevisiae. This review is devoted to reviewing pentose metabolism and bioconversion mostly in non-conventional yeasts, which naturally metabolize xylose. Pentose metabolism in the recombinant strains of S. cerevisiae is also considered for comparison. The available data on ribose, xylose, L-arabinose transport, metabolism, regulation of these processes, interaction with glucose catabolism and construction of the productive strains of high-value chemicals or pentose (ribose) itself are described. In addition, genome studies of the natural xylose metabolizing yeasts and available tools for their molecular research are reviewed. Metabolism of other pentoses (2-deoxyribose, D-arabinose, lyxose) is briefly reviewed.
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Affiliation(s)
- Justyna Ruchala
- Department of Microbiology and Molecular Genetics, University of Rzeszow, Zelwerowicza 4, Rzeszow 35-601, Poland.,Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAS of Ukraine, Drahomanov Street, 14/16, Lviv 79005, Ukraine
| | - Andriy A Sibirny
- Department of Microbiology and Molecular Genetics, University of Rzeszow, Zelwerowicza 4, Rzeszow 35-601, Poland.,Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAS of Ukraine, Drahomanov Street, 14/16, Lviv 79005, Ukraine
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