1
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Yang YL, Zhou M, Yang L, Gressler M, Rassbach J, Wurlitzer JM, Zeng Y, Gao K, Hoffmeister D. A Mushroom P450-Monooxygenase Enables Regio- and Stereoselective Biocatalytic Synthesis of Epoxycyclohexenones. Angew Chem Int Ed Engl 2023; 62:e202313817. [PMID: 37852936 DOI: 10.1002/anie.202313817] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/20/2023]
Abstract
An epoxycyclohexenone (ECH) moiety occurs in natural products of both bacteria and ascomycete and basidiomycete fungi. While the enzymes for ECH formation in bacteria and ascomycetes have been identified and characterized, it remained obscure how this structure is biosynthesized in basidiomycetes. In this study, we i) identified a genetic locus responsible for panepoxydone biosynthesis in the basidiomycete mushroom Panus rudis and ii) biochemically characterized PanH, the cytochrome P450 enzyme catalyzing epoxide formation in this pathway. Using a PanH-producing yeast as a biocatalyst, we synthesized a small library of bioactive ECH compounds as a proof of concept. Furthermore, homology modeling, molecular dynamics simulation, and site directed mutation revealed the substrate specificity of PanH. Remarkably, PanH is unrelated to ECH-forming enzymes in bacteria and ascomycetes, suggesting that mushrooms evolved this biosynthetic capacity convergently and independently of other organisms.
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Affiliation(s)
- Yan-Long Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 730000, Lanzhou, China
- Department Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-Universität Jena, Beutenbergstr. 11a, 07745, Jena, Germany
| | - Man Zhou
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 730000, Lanzhou, China
| | - Lin Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 730000, Lanzhou, China
| | - Markus Gressler
- Department Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-Universität Jena, Beutenbergstr. 11a, 07745, Jena, Germany
| | - Johannes Rassbach
- Department Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-Universität Jena, Beutenbergstr. 11a, 07745, Jena, Germany
| | - Jacob M Wurlitzer
- Department Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-Universität Jena, Beutenbergstr. 11a, 07745, Jena, Germany
| | - Ying Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Kunming, China
| | - Kun Gao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 730000, Lanzhou, China
| | - Dirk Hoffmeister
- Department Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-Universität Jena, Beutenbergstr. 11a, 07745, Jena, Germany
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2
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Yang R, Feng J, Xiang H, Cheng B, Shao LD, Li YP, Wang H, Hu QF, Xiao WL, Matsuda Y, Wang WG. Ketoreductase Domain-Catalyzed Polyketide Chain Release in Fungal Alkyl Salicylaldehyde Biosynthesis. J Am Chem Soc 2023; 145:11293-11300. [PMID: 37172192 DOI: 10.1021/jacs.3c02011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Alkyl salicylaldehyde derivatives are polyketide natural products, which are widely distributed in fungi and exhibit great structural diversity. Their biosynthetic mechanisms have recently been intensively studied; however, how the polyketide synthases (PKSs) involved in the fungal alkyl salicylaldehyde biosyntheses release their products remained elusive. In this study, we discovered an orphan biosynthetic gene cluster of salicylaldehyde derivatives in the fungus Stachybotrys sp. g12. Intriguingly, the highly reducing PKS StrA, encoded by the gene cluster, performs a reductive polyketide chain release, although it lacks a C-terminal reductase domain, which is typically required for such a reductive release. Our study revealed that the chain release is achieved by the ketoreductase (KR) domain of StrA, which also conducts cannonical β-keto reductions during polyketide chain elongation. Furthermore, we found that the cupin domain-containing protein StrC plays a critical role in the aromatization reaction. Collectively, we have provided an unprecedented example of a KR domain-catalyzed polyketide chain release and a clearer image of how the salicylaldehyde scaffold is generated in fungi.
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Affiliation(s)
- Run Yang
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, State Ethnic Affairs Commission, Key Laboratory of Chemistry in Ethnic Medicinal Resources, Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan, China
| | - Jian Feng
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, State Ethnic Affairs Commission, Key Laboratory of Chemistry in Ethnic Medicinal Resources, Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan, China
| | - Hao Xiang
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, State Ethnic Affairs Commission, Key Laboratory of Chemistry in Ethnic Medicinal Resources, Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan, China
| | - Bin Cheng
- Key Laboratory of Medicinal Chemistry for Natural Resource of Ministry of Education, Yunnan Characteristic Plant Extraction Laboratory and Yunnan Provincial Center of Natural Products, School of Pharmacy, Yunnan University, Kunming 650091, Yunnan, China
| | - Li-Dong Shao
- Yunnan Key Laboratory of Southern Medicinal Utilization, School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming 650500 Yunnan, China
| | - Yan-Ping Li
- Yunnan Key Laboratory of Southern Medicinal Utilization, School of Chinese Materia Medica, Yunnan University of Chinese Medicine, Kunming 650500 Yunnan, China
| | - Hang Wang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Qiu-Fen Hu
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, State Ethnic Affairs Commission, Key Laboratory of Chemistry in Ethnic Medicinal Resources, Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan, China
| | - Wei-Lie Xiao
- Key Laboratory of Medicinal Chemistry for Natural Resource of Ministry of Education, Yunnan Characteristic Plant Extraction Laboratory and Yunnan Provincial Center of Natural Products, School of Pharmacy, Yunnan University, Kunming 650091, Yunnan, China
| | - Yudai Matsuda
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, Guangdong 518057, China
| | - Wei-Guang Wang
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, State Ethnic Affairs Commission, Key Laboratory of Chemistry in Ethnic Medicinal Resources, Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan, China
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3
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Bai X, Sheng Y, Tang Z, Pan J, Wang S, Tang B, Zhou T, Shi L, Zhang H. Polyketides as Secondary Metabolites from the Genus Aspergillus. J Fungi (Basel) 2023; 9:261. [PMID: 36836375 PMCID: PMC9962652 DOI: 10.3390/jof9020261] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
Polyketides are an important class of structurally diverse natural products derived from a precursor molecule consisting of a chain of alternating ketone and methylene groups. These compounds have attracted the worldwide attention of pharmaceutical researchers since they are endowed with a wide array of biological properties. As one of the most common filamentous fungi in nature, Aspergillus spp. is well known as an excellent producer of polyketide compounds with therapeutic potential. By extensive literature search and data analysis, this review comprehensively summarizes Aspergillus-derived polyketides for the first time, regarding their occurrences, chemical structures and bioactivities as well as biosynthetic logics.
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Affiliation(s)
- Xuelian Bai
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Yue Sheng
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Zhenxing Tang
- School of Culinary Arts, Tourism College of Zhejiang, Hangzhou 311231, China
| | - Jingyi Pan
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Shigui Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Bin Tang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Ting Zhou
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Lu’e Shi
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China
| | - Huawei Zhang
- School of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
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4
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Bacha SAS, Li Y, Nie J, Xu G, Han L, Farooq S. Comprehensive review on patulin and Alternaria toxins in fruit and derived products. FRONTIERS IN PLANT SCIENCE 2023; 14:1139757. [PMID: 37077634 PMCID: PMC10108681 DOI: 10.3389/fpls.2023.1139757] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 03/17/2023] [Indexed: 05/03/2023]
Abstract
Mycotoxins are toxic secondary metabolites produced by certain fungi, which can contaminate various food commodities, including fruits and their derived products. Patulin and Alternaria toxins are among the most commonly encountered mycotoxins in fruit and their derived products. In this review, the sources, toxicity, and regulations related to these mycotoxins, as well as their detection and mitigation strategies are widely discussed. Patulin is a mycotoxin produced mainly by the fungal genera Penicillium, Aspergillus, and Byssochlamys. Alternaria toxins, produced by fungi in the Alternaria genus, are another common group of mycotoxins found in fruits and fruit products. The most prevalent Alternaria toxins are alternariol (AOH) and alternariol monomethyl ether (AME). These mycotoxins are of concern due to their potential negative effects on human health. Ingesting fruits contaminated with these mycotoxins can cause acute and chronic health problems. Detection of patulin and Alternaria toxins in fruit and their derived products can be challenging due to their low concentrations and the complexity of the food matrices. Common analytical methods, good agricultural practices, and contamination monitoring of these mycotoxins are important for safe consumption of fruits and derived products. And Future research will continue to explore new methods for detecting and managing these mycotoxins, with the ultimate goal of ensuring the safety and quality of fruits and derived product supply.
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Affiliation(s)
- Syed Asim Shah Bacha
- Laboratory of Quality & Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Yinping Li
- Laboratory of Quality & Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
- *Correspondence: Jiyun Nie, ; Yinping Li,
| | - Jiyun Nie
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, China
- *Correspondence: Jiyun Nie, ; Yinping Li,
| | - Guofeng Xu
- Laboratory of Quality & Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Lingxi Han
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, China
| | - Saqib Farooq
- Laboratory of Quality & Safety Risk Assessment for Fruit, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
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5
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Zhang K, Duan X, Cai P, Gao L, Wu X, Yao L, Zhou YJ. Fusing an exonuclease with Cas9 enhances homologous recombination in Pichia pastoris. Microb Cell Fact 2022; 21:182. [PMID: 36071435 PMCID: PMC9450370 DOI: 10.1186/s12934-022-01908-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: 06/06/2022] [Accepted: 08/27/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The methylotrophic yeast Pichia pastoris is considered as an ideal host for the production of recombinant proteins and chemicals. However, low homologous recombination (HR) efficiency hinders its precise and extensive genetic manipulation. To enhance the homology-directed repair over non-homologous end joining (NHEJ), we expressed five exonucleases that were fused with the Cas9 for enhancing end resection of double strand breaks (DSBs) of DNA cuts. RESULTS The endogenous exonuclease Mre11 and Exo1 showed the highest positive rates in seamless deletion of FAA1, and fusing the MRE11 to the C-terminal of CAS9 had the highest positive rate and relatively high number of clones. We observed that expression of CAS9-MRE11 significantly improved positive rates when simultaneously seamless deletion of double genes (from 76.7 to 86.7%) and three genes (from 10.8 to 16.7%) when overexpressing RAD52. Furthermore, MRE11 overexpression significantly improved the genomic integration of multi-fragments with higher positive rate and clone number. CONCLUSIONS Fusion expression of the endogenous exonuclease Mre11 with Cas9 enhances homologous recombination efficiency in P. pastoris. The strategy described here should facilitate the metabolic engineering of P. pastoris toward high-level production of value-added compounds.
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Affiliation(s)
- Kun Zhang
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.,Henan Engineering Laboratory for Bioconversion Technology of Functional Microbes, College of Life Sciences, Henan Normal University, Xinxiang, 453007, Henan, China
| | - Xingpeng Duan
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.,College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China
| | - Peng Cai
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Linhui Gao
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaoyan Wu
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lun Yao
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.,Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yongjin J Zhou
- Division of Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China. .,Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China. .,CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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6
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Diversity of Neofusicoccum parvum for the Production of the Phytotoxic Metabolites (-)-Terremutin and (R)-Mellein. J Fungi (Basel) 2022; 8:jof8030319. [PMID: 35330321 PMCID: PMC8948911 DOI: 10.3390/jof8030319] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/07/2022] [Accepted: 03/17/2022] [Indexed: 02/04/2023] Open
Abstract
Two Neofusicoccumparvum isolates and a UV mutant were characterized for their phytotoxin production in vitro, their pathogenicity on grapevine, and their genome sequenced. The isolate Np-Bt67 produced high level of (-)-terremutin, but almost no (R)-mellein, and it was the most aggressive on grapevine, triggering apoplexy. Similar symptoms were not induced by purified (-)-terremutin. The isolate Bourgogne S-116 (Np-B) produced 3-fold less (-)-terremutin and high amounts of (R)-mellein, but it was less aggressive on grapevine than Np-Bt67. The UV9 mutant obtained from Np-B (NpB-UV9) no longer produced (-)-terremutin but overproduced (R)-mellein by 2.5-fold, and it was as pathogenic as its parent. NpB-UV9 differed from its parent by simple mutations in two genes (transcription factor UCR-NP2_6692, regulatory protein UCR-NP2_9007), not located neither near (R)-mellein, nor (-)-terremutin biosynthetic genes, but likely involved in the control of (-)-terremutin biosynthesis. Grapevine immunity was disturbed upon challenge with these pathogens or purified phytotoxins, leading to an upregulation of SA-dependent defenses, while (-)-terremutin interfered with host JA/ET-dependent defenses. Our results suggest that neither (-)-terremutin nor (R)-mellein alone is essential for the pathogenicity of N. parvum on grapevine, since isolate/mutant non-producing these toxins in vitro is pathogenic. However, these phytotoxins could play a quantitative role in the infection process.
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7
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Qian Z, Liu Q, Cai M. Investigating Fungal Biosynthetic Pathways Using Pichia pastoris as a Heterologous Host. Methods Mol Biol 2022; 2489:115-127. [PMID: 35524048 DOI: 10.1007/978-1-0716-2273-5_7] [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] [Indexed: 06/14/2023]
Abstract
Fungal natural products have extensive biological activities, and thus have been largely commercialized in the pharmaceutical, agricultural, and food industries. Recently, heterologous expression has become an irreplaceable technique to functionalize fungal biosynthetic gene clusters and synthesize fungal natural products in various chassis organisms. This chapter describes the general method of using Pichia pastoris as a chassis host to investigate fungal biosynthetic pathways.
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Affiliation(s)
- Zhilan Qian
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
- Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai, China
| | - Qi Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
- Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai, China
| | - Menghao Cai
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China.
- Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, Shanghai, China.
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8
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Zhang X, Gu S, Zheng X, Peng S, Li Y, Lin Y, Liang S. A Novel and Efficient Genome Editing Tool Assisted by CRISPR-Cas12a/Cpf1 for Pichia pastoris. ACS Synth Biol 2021; 10:2927-2937. [PMID: 34644057 DOI: 10.1021/acssynbio.1c00172] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Pichia pastoris has been widely exploited for the heterologous expression of proteins in both industry and academia. Recently, it has been shown to be a potentially good chassis host for the production of high-value chemicals and pharmaceuticals. Effective synthetic biology tools for genetic engineering are essential for industrial and biotechnological research in this yeast. Here, we describe a novel and efficient genome editing method mediated by the CRISPR-Cpf1 system, which could facilitate the deletion of large DNA fragments and integration of multiplexed gene fragments. The CRISPR-Cpf1 system exhibited a precise and high editing efficiency for single-gene disruption (99 ± 0.8%), duplex genome editing (65 ± 2.5% to 80 ± 3%), and triplex genome editing (30 ± 2.5%). In addition, the deletion of large DNA fragments of 20kb and one-step integration of multiple genes were first achieved using the developed CRISPR-Cpf1 system. Taken together, this study provides an efficient and simple gene editing tool for P. pastoris. The novel multiloci gene integration method mediated by CRISPR-Cpf1 may accelerate the ability to engineer this methylotrophic yeast for metabolic engineering and genome evolution in both biotechnological and biomedical applications.
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Affiliation(s)
- Xinying Zhang
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Songjie Gu
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Xueyun Zheng
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Siqi Peng
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Yanru Li
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Ying Lin
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Shuli Liang
- Guangdong Key Laboratory of Fermentation and Enzyme Engineering, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Research Center of Industrial Enzyme and Green Manufacturing Technology, School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
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9
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Rózsenberszki T, Komáromy P, Hülber-Beyer É, Bakonyi P, Nemestóthy N, Bélafi-Bakó K. Demonstration of bipolar membrane electrodialysis technique for itaconic acid recovery from real fermentation effluent of Aspergillus terreus. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.09.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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10
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Valanciene E, Jonuskiene I, Syrpas M, Augustiniene E, Matulis P, Simonavicius A, Malys N. Advances and Prospects of Phenolic Acids Production, Biorefinery and Analysis. Biomolecules 2020; 10:E874. [PMID: 32517243 PMCID: PMC7356249 DOI: 10.3390/biom10060874] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/28/2020] [Accepted: 06/03/2020] [Indexed: 12/20/2022] Open
Abstract
Biotechnological production of phenolic acids is attracting increased interest due to their superior antioxidant activity, as well as other antimicrobial, dietary, and health benefits. As secondary metabolites, primarily found in plants and fungi, they are effective free radical scavengers due to the phenolic group available in their structure. Therefore, phenolic acids are widely utilised by pharmaceutical, food, cosmetic, and chemical industries. A demand for phenolic acids is mostly satisfied by utilising chemically synthesised compounds, with only a low quantity obtained from natural sources. As an alternative to chemical synthesis, environmentally friendly bio-based technologies are necessary for development in large-scale production. One of the most promising sustainable technologies is the utilisation of microbial cell factories for biosynthesis of phenolic acids. In this paper, we perform a systematic comparison of the best known natural sources of phenolic acids. The advances and prospects in the development of microbial cell factories for biosynthesis of these bioactive compounds are discussed in more detail. A special consideration is given to the modern production methods and analytics of phenolic acids.
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Affiliation(s)
| | | | | | | | | | | | - Naglis Malys
- Bioprocess Research Centre, Faculty of Chemical Technology, Kaunas University of Technology, Radvilėnų pl. 19, Kaunas LT-50254, Lithuania; (E.V.); (I.J.); (M.S.); (E.A.); (P.M.); (A.S.)
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11
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Lv J, Gao Y, Zhao H, Awakawa T, Liu L, Chen G, Yao X, Hu D, Abe I, Gao H. Biosynthesis of Biscognienyne B Involving a Cytochrome P450‐Dependent Alkynylation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004364] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jian‐Ming Lv
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
- Integrated Chinese and Western Medicine Postdoctoral Research Station Jinan University Guangzhou 510632 P. R. China
| | - Yao‐Hui Gao
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Huan Zhao
- College of Traditional Chinese Medicine Jinan University Guangzhou 510632 P. R. China
| | - Takayoshi Awakawa
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Ling Liu
- State Key Laboratory of Mycology Institute of Microbiology Chinese Academy of Sciences Beijing 100101 P. R. China
| | - Guo‐Dong Chen
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Xin‐Sheng Yao
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Dan Hu
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Hao Gao
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
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12
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Lv J, Gao Y, Zhao H, Awakawa T, Liu L, Chen G, Yao X, Hu D, Abe I, Gao H. Biosynthesis of Biscognienyne B Involving a Cytochrome P450‐Dependent Alkynylation. Angew Chem Int Ed Engl 2020; 59:13531-13536. [DOI: 10.1002/anie.202004364] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Jian‐Ming Lv
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
- Integrated Chinese and Western Medicine Postdoctoral Research Station Jinan University Guangzhou 510632 P. R. China
| | - Yao‐Hui Gao
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Huan Zhao
- College of Traditional Chinese Medicine Jinan University Guangzhou 510632 P. R. China
| | - Takayoshi Awakawa
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Ling Liu
- State Key Laboratory of Mycology Institute of Microbiology Chinese Academy of Sciences Beijing 100101 P. R. China
| | - Guo‐Dong Chen
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Xin‐Sheng Yao
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Dan Hu
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Hao Gao
- Institute of Traditional Chinese Medicine and Natural Products College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research Jinan University Guangzhou 510632 P. R. China
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13
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Wen J, Tian L, Xu M, Zhou X, Zhang Y, Cai M. A Synthetic Malonyl-CoA Metabolic Oscillator in Komagataella phaffii. ACS Synth Biol 2020; 9:1059-1068. [PMID: 32227991 DOI: 10.1021/acssynbio.9b00378] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Malonyl-CoA is a key metabolic molecule that participates in a diverse range of physiological responses and can act as a building block for a variety of value-added pharmaceuticals and chemicals. The cytosolic malonyl-CoA concentration is usually very low, and thus dynamic metabolic control of malonyl-CoA variation will aid its stable formation and efficient consumption. We developed a synthetic malonyl-CoA metabolic oscillator in yeast. A synthetic regulatory protein, Prm1-FapR, was constructed by fusing a yeast transcriptional activator, Prm1, with a bacterial malonyl-CoA-sensitive transcription repressor, FapR. Two oppositely regulated biosensors were then engineered. A total of 18 hybrid promoter variants were designed, each carrying the operator sequence (fapO) of FapR and the core promoter of PAOX1 (cPAOX1), which is naturally regulated by Prm1. The promoter activities of these variants, regulated by Prm1-FapR, were tested. Through this process, a sensor for Prm1-FapR/(-52)fapO-PAOX1 carrying an activation/deactivation regulation module was built. Meanwhile, 24 promoter variants of PGAP with fapO inserted were designed and tested using the fusion regulator, giving a sensor for Prm1-FapR/PGAP-(+22) fapO that contained a repression/derepression regulation module. Both sensors were subsequently integrated into a single cell, which exhibited correct metabolic switching of eGFP and mCherry reporters following manipulation of cytosolic malonyl-CoA levels. The Prm1-FapR/(-52)fapO-PAOX1 and the Prm1-FapR/PGAP-(+22)fapO were also used to control the malonyl-CoA source and sink pathways, respectively, for the synthesis of 6-methylsalicylic acid. This finally led to an oscillatory metabolic mode of cytosolic malonyl-CoA. Such a metabolator is useful in exploring potential industrial and biomedical applications not limited by natural cellular behavior.
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Affiliation(s)
- Jiao Wen
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Lin Tian
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Mingqiang Xu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xiangshan Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yuanxing Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
- Shanghai Collaborative Innovation Center for Biomanufacturing, 130 Meilong Road, Shanghai 200237, China
| | - Menghao Cai
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
- Shanghai Collaborative Innovation Center for Biomanufacturing, 130 Meilong Road, Shanghai 200237, China
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14
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Liao J, Pang K, Sun G, Pai T, Hsu P, Lin J, Sun K, Hsieh C, Tang S. Chimeric 6-methylsalicylic acid synthase with domains of acyl carrier protein and methyltransferase from Pseudallescheria boydii shows novel biosynthetic activity. Microb Biotechnol 2019; 12:920-931. [PMID: 31199579 PMCID: PMC6681407 DOI: 10.1111/1751-7915.13445] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 05/06/2019] [Accepted: 05/17/2019] [Indexed: 01/09/2023] Open
Abstract
Polyketides are important secondary metabolites, many of which exhibit potent pharmacological applications. Biosynthesis of polyketides is carried out by a single polyketide synthase (PKS) or multiple PKSs in successive elongations of enzyme-bound intermediates related to fatty acid biosynthesis. The polyketide gene PKS306 from Pseudallescheria boydii NTOU2362 containing domains of ketosynthase (KS), acyltransferase (AT), dehydratase (DH), acyl carrier protein (ACP) and methyltransferase (MT) was cloned in an attempt to produce novel chemical compounds, and this PKS harbouring green fluorescent protein (GFP) was expressed in Saccharomyces cerevisiae. Although fluorescence of GFP and fusion protein analysed by anti-GFP antibody were observed, no novel compound was detected. 6-methylsalicylic acid synthase (6MSAS) was then used as a template and engineered with PKS306 by combinatorial fusion. The chimeric PKS containing domains of KS, AT, DH and ketoreductase (KR) from 6MSAS with ACP and MT from PKS306 demonstrated biosynthesis of a novel compound. The compound was identified with a deduced chemical formula of C7 H10 O3 , and the chemical structure was named as 2-hydroxy-2-(propan-2-yl) cyclobutane-1,3-dione. The novel compound synthesized by the chimeric PKS in this study demonstrates the feasibility of combinatorial fusion of PKS genes to produce novel polyketides.
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Affiliation(s)
- Ji‐Long Liao
- Department of Bioscience and BiotechnologyCenter of Excellence for the OceansNational Taiwan Ocean UniversityNo. 2 Pei‐Ning RoadKeelung20224Taiwan
| | - Ka‐Lai Pang
- Department of Marine BiologyCenter of Excellence for the OceansNational Taiwan Ocean UniversityNo. 2 Pei‐Ning RoadKeelung20224Taiwan
| | - Guang‐Huan Sun
- Division of UrologyDepartment of SurgeryNational Defense Medical CenterTri‐Service General HospitalNo. 325, Sec. 2, Cheng‐gong Rd.TaipeiTaiwan
| | - Tun‐Wen Pai
- Department of Computer Science and EngineeringNational Taiwan Ocean UniversityNo. 2 Pei‐Ning RoadKeelung20224Taiwan
| | - Pang‐Hung Hsu
- Department of Bioscience and BiotechnologyCenter of Excellence for the OceansNational Taiwan Ocean UniversityNo. 2 Pei‐Ning RoadKeelung20224Taiwan
| | - Jyuan‐Siou Lin
- Department of Bioscience and BiotechnologyCenter of Excellence for the OceansNational Taiwan Ocean UniversityNo. 2 Pei‐Ning RoadKeelung20224Taiwan
| | - Kuang‐Hui Sun
- Department of Biotechnology and Laboratory Science in MedicineNational Yang‐Ming UniversityNo. 155, Sec. 2, Linong StreetTaipeiTaiwan
- Department of Education and ResearchTaipei City HospitalTaipeiTaiwan
| | | | - Shye‐Jye Tang
- Department of Bioscience and BiotechnologyCenter of Excellence for the OceansNational Taiwan Ocean UniversityNo. 2 Pei‐Ning RoadKeelung20224Taiwan
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15
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Liu Q, Shi X, Song L, Liu H, Zhou X, Wang Q, Zhang Y, Cai M. CRISPR-Cas9-mediated genomic multiloci integration in Pichia pastoris. Microb Cell Fact 2019; 18:144. [PMID: 31434578 PMCID: PMC6704636 DOI: 10.1186/s12934-019-1194-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 08/14/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Pichia pastoris (syn. Komagataella phaffii) is a widely used generally recognized as safe host for heterologous expression of proteins in both industry and academia. Recently, it has been shown to be a potentially good chassis host for the production of high-value pharmaceuticals and chemicals. Nevertheless, limited availability of selective markers and low efficiency of homologous recombination make this process difficult and time-consuming, particularly in the case of multistep biosynthetic pathways. Therefore, it is crucial to develop an efficient and marker-free multiloci gene knock-in method in P. pastoris. RESULTS A non-homologous-end-joining defective strain (Δku70) was first constructed using the CRISPR-Cas9 based gene deficiency approach. It was then used as a parent strain for multiloci gene integration. Ten guide RNA (gRNA) targets were designed within 100 bp upstream of the promoters or downstream of terminator, and then tested using an eGFP reporter and confirmed as suitable single-locus integration sites. Three high-efficiency gRNA targets (PAOX1UP-g2, PTEF1UP-g1, and PFLD1UP-g1) were selected for double- and triple-locus co-integration. The integration efficiency ranged from 57.7 to 70% and 12.5 to 32.1% for double-locus and triple-locus integration, respectively. In addition, biosynthetic pathways of 6-methylsalicylic acid and 3-methylcatechol were successfully assembled using the developed method by one-step integration of functional genes. The desired products were obtained, which further established the effectiveness and applicability of the developed CRISPR-Cas9-mediated gene co-integration method in P. pastoris. CONCLUSIONS A CRISPR-Cas9-mediated multiloci gene integration method was developed with efficient gRNA targets in P. pastoris. Using this method, multiple gene cassettes can be simultaneously integrated into the genome without employing selective markers. The multiloci integration strategy is beneficial for pathway assembly of complicated pharmaceuticals and chemicals expressed in P. pastoris.
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Affiliation(s)
- Qi Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
| | - Xiaona Shi
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
| | - Lili Song
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
| | - Haifeng Liu
- Chinare Resources Angde Biotech Pharmaceutical Co., Ltd., 78 E-jiao Street, Liaocheng, China
| | - Xiangshan Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
- Chinare Resources Angde Biotech Pharmaceutical Co., Ltd., 78 E-jiao Street, Liaocheng, China
| | - Qiyao Wang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
| | - Yuanxing Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
- Shanghai Collaborative Innovation Center for Biomanufacturing, 130 Meilong Road, Shanghai, 200237 China
| | - Menghao Cai
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China
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16
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Xu Q, Bai C, Liu Y, Song L, Tian L, Yan Y, Zhou J, Zhou X, Zhang Y, Cai M. Modulation of acetate utilization in Komagataella phaffii by metabolic engineering of tolerance and metabolism. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:61. [PMID: 30936941 PMCID: PMC6427870 DOI: 10.1186/s13068-019-1404-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 03/11/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Acetate, an economical industrial chemical, which is also the precursor of acetyl-CoA, could serve as an alternative substrate for biomanufacturing. This nontraditional substrate can be widely produced from syngas via hydrolysis or pyrolysis of the cellulosic biomass, chemical or microbial catalysis, anaerobic fermentation in treated wastewater, etc. However, the toxicity of acetate to microorganisms has held back its utilization, especially for the eukaryotes that are good hosts for production of complicated pharmaceuticals or chemicals. This study seeks to improve acetate utilization in a widely used yeast host, Komagataella phaffii (previously Pichia pastoris), by metabolic engineering of acetate tolerance, transport, and metabolism. RESULTS A kinase-deficient library of K. phaffii was firstly used to screen acetate-resistant kinases. The HRK1 knockout strain was sensitive to acetate and overexpression of this gene improved acetate tolerance and cell growth of the strain. Also, overexpression of HRK1 caused a 55% productivity improvement of acetyl-CoA-dependent 6-methylsalicylic acid (6-MSA). However, activation of Hrk1 on membrane H(+)-ATPase Pma1 seemed not to work in the engineered strain. Acetate transporter gene ScFPS1* was further overexpressed, despite of not improving 6-MSA biosynthesis. To enhance acetate metabolism, acetyl-CoA synthesizing related genes, yeast PpACS1, ScACS1*, and E. coli ackA/pta were overexpressed separately. Introduction of PpACS1 and ScACS1* each increased biosynthesis of 6-MSA by approximately 20% on 20 mM acetate. Finally, co-overexpression of HRK1 and ScACS1* improved 6-MSA productivity by 51% on 20 mM acetate, despite that a low expression level of HRK1 happened when genes were expressed under the same promoter. CONCLUSIONS HRK1 screened by K. phaffii kinase-deficient library played an important role in acetate tolerance and was proved to profit the biosynthesis of acetyl-CoA-derived chemicals. It could be a potential target for metabolic engineering of acetate utilization in other eukaryotic hosts as well. A combined strategy of introducing genes for acetate tolerance and metabolism further improved biosynthesis of acetyl-CoA derived reporter compound in K. phaffii. This makes it a good choice for acetyl-CoA-derived chemicals with acetate as substrate or precursor in K. phaffii, which would also extend the use of this chassis host.
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Affiliation(s)
- Qin Xu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Chenxiao Bai
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Yiqi Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Lili Song
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Lin Tian
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Yunfeng Yan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Jinfeng Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Xiangshan Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
| | - Yuanxing Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
- Shanghai Collaborative Innovation Center for Biomanufacturing, Shanghai, 200237 China
| | - Menghao Cai
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237 China
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