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Zhu Z, Ding X, Rang J, Xia L. Application and research progress of ARTP mutagenesis in actinomycetes breeding. Gene 2024; 929:148837. [PMID: 39127415 DOI: 10.1016/j.gene.2024.148837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 08/12/2024]
Abstract
Atmospheric and room temperature plasma (ARTP) is an emerging artificial mutagenesis breeding technology. In comparison to traditional physical and chemical methods, ARTP technology can induce DNA damage more effectively and obtain mutation strains with stable heredity more easily after screening. It possesses advantages such as simplicity, safety, non-toxicity, and cost-effectiveness, showing high application value in microbial breeding. This article focuses on ARTP mutagenesis breeding of actinomycetes, specifically highlighting the application of ARTP mutagenesis technology in improving the performance of strains and enhancing the biosynthetic capabilities of actinomycetes. We analyzed the advantages and challenges of ARTP technology in actinomycetes breeding and summarized the common features, specific mutation sites and metabolic pathways of ARTP mutagenic strains, which could give guidance for genetic modification. It suggested that the future research work should focus on the establishment of high throughput rapid screening methods and integrate transcriptomics, proteomics, metabonomics and other omics to delve into the genetic regulations and synthetic mechanisms of the bioactive substances in ARTP mutated actinomycetes. This article aims to provide new perspectives for actinomycetes breeding through the establishment and application of ARTP mutagenesis technology, thereby promoting source innovation and the sustainable industrial development of actinomycetes.
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Affiliation(s)
- Zirong Zhu
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Xuezhi Ding
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Jie Rang
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Liqiu Xia
- Hunan Provincial Key Laboratory of Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China.
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Li D, Shen J, Ding Q, Wu J, Chen X. Recent progress of atmospheric and room-temperature plasma as a new and promising mutagenesis technology. Cell Biochem Funct 2024; 42:e3991. [PMID: 38532652 DOI: 10.1002/cbf.3991] [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: 12/09/2023] [Revised: 03/11/2024] [Accepted: 03/11/2024] [Indexed: 03/28/2024]
Abstract
At present, atmospheric and room-temperature plasma (ARTP) is regarded as a new and powerful mutagenesis technology with the advantages of environment-friendliness, operation under mild conditions, and fast mutagenesis speed. Compared with traditional mutagenesis strategies, ARTP is used mainly to change the structure of microbial DNA, enzymes, and proteins through a series of physical, chemical, and electromagnetic effects with the organisms, leading to nucleotide breakage, conversion or inversion, causing various DNA damages, so as to screen out the microbial mutants with better biological characteristics. As a result, in recent years, ARTP mutagenesis and the combination of ARTP with traditional mutagenesis have been widely used in microbiology, showing great potential for application. In this review, the recent progress of ARTP mutagenesis in different application fields and bottlenecks of this technology are systematically summarized, with a view to providing a theoretical basis and technical support for better application. Finally, the outlook of ARTP mutagenesis is presented, and we identify the challenges in the field of microbial mutagenesis by ARTP.
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Affiliation(s)
- Dongao Li
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, China
| | - Jie Shen
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
| | - Qiang Ding
- Yichang Sanxia Pharmaceutical Co., Ltd., Yichang City, Hubei Province, China
| | - Jinyong Wu
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
| | - Xiangsong Chen
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Low Temperature Plasma Application Laboratory, Hefei, China
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Cen YK, He NY, Zhou WY, Liu ZQ, Zheng YG. Development of a yeast cell based method for efficient screening of high yield tacrolimus production strain. 3 Biotech 2024; 14:26. [PMID: 38169568 PMCID: PMC10757991 DOI: 10.1007/s13205-023-03870-y] [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: 09/12/2023] [Accepted: 11/21/2023] [Indexed: 01/05/2024] Open
Abstract
Tacrolimus (FK506) is a widely used and clinically important immunosuppressant drug that can be produced by fermentation of Streptomyces tsukubaensis. The industrial strains are typically obtained through multiple rounds of mutagenesis and screening, a labor-intensive process. We have established an efficient yeast cell based screening method for the evolutionary process of high-FK506-yielding strain. The S. tsukubaensis strains of different FK506 yields were tested for zone of growth inhibition of the wild type and calcineurin mutant (cnb1∆) yeast strains. We found that different FK506 yields correspond well to altered yeast growth inhibitions. Based on the combinational inhibition effects of FK506 with different antifungals that have been frequently reported, we also tested the zone of inhibition by addition of fluconazole, amphotericin B and caspofungin to the medium. In the end, for the best screening performance, we systemically evaluated the strategy when different yeast strains and different antifungals were used according to the clarity, size, and divergence of the inhibition circles. Using different yeast strains and antifungals, we successfully broadened the screening spectrum. An efficient high-FK506-yield S. tsukubaensis screening method has been established and optimized. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03870-y.
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Affiliation(s)
- Yu-Ke Cen
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014 China
- Engineering Research Center of Bioconversion and Bio Purification of Ministry of Education, Zhejiang University of Technology, Hangzhou, 310014 China
| | - Nai-Ying He
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014 China
- Engineering Research Center of Bioconversion and Bio Purification of Ministry of Education, Zhejiang University of Technology, Hangzhou, 310014 China
| | - Wan-Ying Zhou
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014 China
- Engineering Research Center of Bioconversion and Bio Purification of Ministry of Education, Zhejiang University of Technology, Hangzhou, 310014 China
| | - Zhi-Qiang Liu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014 China
- Engineering Research Center of Bioconversion and Bio Purification of Ministry of Education, Zhejiang University of Technology, Hangzhou, 310014 China
| | - Yu-Guo Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014 China
- Engineering Research Center of Bioconversion and Bio Purification of Ministry of Education, Zhejiang University of Technology, Hangzhou, 310014 China
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Zhang Y, Zhang X, Wang M. Product-driven high-throughput screening of industrial filamentous actinomycetes. Trends Biotechnol 2023; 41:1109-1112. [PMID: 36863908 DOI: 10.1016/j.tibtech.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/05/2023] [Accepted: 02/14/2023] [Indexed: 03/04/2023]
Abstract
Traditional strain breeding of industrial filamentous actinomycetes has long been hampered by insufficient screening throughput. From microtiter plate based methods to droplet-based microfluidic screening, various novel product-driven high-throughput screening (HTS) methods have pushed the screening speed limit towards a minimum of hundreds of strains per second with single cell resolution.
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Affiliation(s)
- Yue Zhang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Xuemei Zhang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China; Haihe Laboratory of Synthetic Biology, Tianjin 300308, China; School of Life Sciences, University of Science and Technology of China, Hefei 230026, China
| | - Meng Wang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
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Zhou JY, Ma BB, Zhao QW, Mao XM. Development of a native-locus dual reporter system for the efficient screening of the hyper-production of natural products in Streptomyces. Front Bioeng Biotechnol 2023; 11:1225849. [PMID: 37456716 PMCID: PMC10343952 DOI: 10.3389/fbioe.2023.1225849] [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: 05/19/2023] [Accepted: 06/20/2023] [Indexed: 07/18/2023] Open
Abstract
Streptomyces is renowned for its abundant production of bioactive secondary metabolites, but most of these natural products are produced in low yields. Traditional rational network refactoring is highly dependent on the comprehensive understanding of regulatory mechanisms and multiple manipulations of genome editing. Though random mutagenesis is fairly straightforward, it lacks a general and effective strategy for high throughput screening of the desired strains. Here in an antibiotic daptomycin producer S. roseosporus, we developed a dual-reporter system at the native locus of the daptomycin gene cluster. After elimination of three enzymes that potentially produce pigments by genome editing, a gene idgS encoding the indigoidine synthetase and a kanamycin resistant gene neo were integrated before and after the non-ribosomal peptidyl synthetase genes for daptomycin biosynthesis, respectively. After condition optimization of UV-induced mutagenesis, strains with hyper-resistance to kanamycin along with over-production of indigoidine were efficiently obtained after one round of mutagenesis and target screening based on the dual selection of the reporter system. Four mutant strains showed increased production of daptomycin from 1.4 to 6.4 folds, and significantly improved expression of the gene cluster. Our native-locus dual reporter system is efficient for targeting screening after random mutagenesis and would be widely applicable for the effective engineering of Streptomyces species and hyper-production of these invaluable natural products for pharmaceutical development.
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Affiliation(s)
- Jing-Yi Zhou
- Department of Clinical Pharmacy, The First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, China
| | - Bin-Bin Ma
- Department of Clinical Pharmacy, The First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, China
| | - Qing-Wei Zhao
- Department of Clinical Pharmacy, The First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Hangzhou, China
| | - Xu-Ming Mao
- Department of Clinical Pharmacy, The First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, China
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Research progress on the degradation mechanism and modification of keratinase. Appl Microbiol Biotechnol 2023; 107:1003-1017. [PMID: 36633625 DOI: 10.1007/s00253-023-12360-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/23/2022] [Accepted: 12/31/2022] [Indexed: 01/13/2023]
Abstract
Keratin is regarded as the main component of feathers and is difficult to be degraded by conventional proteases, leading to substantial abandonment. Keratinase is the only enzyme with the most formidable potential for degrading feathers. Although there have been in-depth studies in recent years, the large-scale application of keratinase is still associated with many problems. It is relatively challenging to find keratinase not only with high activity but could also meet the industrial application environment, so it is urgent to exploit keratinase with high acid and temperature resistance, strong activity, and low price. Therefore, researchers have been keen to explore the degradation mechanism of keratinases and the modification of existing keratinases for decades. This review critically introduces the basic properties and mechanism of keratinase, and focuses on the current situation of keratinase modification and the direction and strategy of its future application and modification. KEY POINTS: •The research status and mechanism of keratinase were reviewed. •The new direction of keratinase application and modification is discussed. •The existing modification methods and future modification strategies of keratinases are reviewed.
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Gou Z, Li J, He F, Bamao Z, Li Z, Xu T. Screening of a high-yield strain of avermectin B 1a by colony analysis in situ. INTERNATIONAL MICROBIOLOGY : THE OFFICIAL JOURNAL OF THE SPANISH SOCIETY FOR MICROBIOLOGY 2023; 26:123-133. [PMID: 36178644 DOI: 10.1007/s10123-022-00279-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 08/21/2022] [Accepted: 09/19/2022] [Indexed: 01/06/2023]
Abstract
Avermectin, an agricultural antibiotic, is widely used as an agricultural insecticide and an important lead compound of antibiotics. It is manufactured by Streptomyces avermitilis through fermentation. Manufacturers pay special attention to screening for strains with high fermentation capacity based on morphological properties of the colony and by the result of shake flask fermentation. These traditional screening methods are time-consuming and labor-intensive and require specialized equipment. Moreover, evaluation of colony appearance is highly subjective. To improve and accelerate the screening process, we developed a rapid in situ screening method. Forty-four strains isolated naturally from the spores of industrial high-yielding strains were studied. The data show that the colony fermentation titer is highly correlated with the yield from the shake flask fermentation of avermectin, and the Pearson's R is 0.990. The total titer of avermectins by shake flask fermentation is also highly correlated with the B1a titer (Pearson's R is 0.994). This result also shows that strains can be quickly screened by analyzing the colony titer. Pigment rings of the colonies that appeared after growing and maturing on the new medium plate were analyzed. The chosen colonies were directly marked and punched and then extracted with methanol. The fermentation ability can be evaluated by measuring the absorbance at 245 nm. This methodology can be applied in both natural breeding and mutation breeding conditions. By continuously breeding from 2008 to 2020, the flask titer of avermectin B1a increased from 4582 ± 483 to 9197 ± 1134 μg/mL.
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Affiliation(s)
- Zhongxuan Gou
- Jiangsu Food & Pharmaceutical Science College, Huaian, 223003, Jiangsu, China. .,Hebei Veyong Biochemical Co., LTD, Shijiazhuang City, Hebei, 050011, China.
| | - Junhua Li
- Hebei Veyong Biochemical Co., LTD, Shijiazhuang City, Hebei, 050011, China
| | - Feng He
- Jiangsu Food & Pharmaceutical Science College, Huaian, 223003, Jiangsu, China
| | - Zhaxi Bamao
- Jiangsu Food & Pharmaceutical Science College, Huaian, 223003, Jiangsu, China
| | - Zixuan Li
- Jiangsu Food & Pharmaceutical Science College, Huaian, 223003, Jiangsu, China
| | - Tingyu Xu
- Jiangsu Food & Pharmaceutical Science College, Huaian, 223003, Jiangsu, China.,Hebei Veyong Biochemical Co., LTD, Shijiazhuang City, Hebei, 050011, China
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Del Carratore F, Hanko EK, Breitling R, Takano E. Biotechnological application of Streptomyces for the production of clinical drugs and other bioactive molecules. Curr Opin Biotechnol 2022; 77:102762. [PMID: 35908316 DOI: 10.1016/j.copbio.2022.102762] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/30/2022]
Abstract
Streptomyces is one of the most relevant genera in biotechnology, and its rich secondary metabolism is responsible for the biosynthesis of a plethora of bioactive compounds, including several clinically relevant drugs. The use of Streptomyces species for the manufacture of natural products has been established for more than half a century; however, the tremendous advances observed in recent years in genetic engineering and molecular biology have revolutionised the optimisation of Streptomyces as cell factories and drastically expanded the biotechnological potential of these bacteria. Here, we illustrate the most exciting advances reported in the past few years, with a particular focus on the approaches significantly improving the biotechnological capacity of Streptomyces to produce clinical drugs and other valuable secondary metabolites.
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Affiliation(s)
- Francesco Del Carratore
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Erik Kr Hanko
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Rainer Breitling
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Eriko Takano
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.
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Avilamycin production enhancement by mutagenesis and fermentation optimization in Streptomyces viridochromogenes. World J Microbiol Biotechnol 2022; 38:50. [DOI: 10.1007/s11274-021-03191-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 11/14/2021] [Indexed: 12/12/2022]
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Wu QB, Zhang XY, Chen XA, Li YQ. Improvement of FK506 production via metabolic engineering-guided combinational strategies in Streptomyces tsukubaensis. Microb Cell Fact 2021; 20:166. [PMID: 34425854 PMCID: PMC8383387 DOI: 10.1186/s12934-021-01660-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 08/14/2021] [Indexed: 11/10/2022] Open
Abstract
Background FK506, a macrolide mainly with immunosuppressive activity, can be produced by various Streptomyces strains. However, one of the major challenges in the fermentation of FK506 is its insufficient production, resulting in high fermentation costs and environmental burdens. Herein, we tried to improve its production via metabolic engineering-guided combinational strategies in Streptomyces tsukubaensis. Results First, basing on the genome sequencing and analysis, putative competitive pathways were deleted. A better parental strain L19-2 with increased FK506 production from 140.3 to 170.3 mg/L and a cleaner metabolic background was constructed. Subsequently, the FK506 biosynthetic gene cluster was refactored by in-situ promoter-substitution strategy basing on the regulatory circuits. This strategy enhanced transcription levels of the entire FK506 biosynthetic gene cluster in a fine-tuning manner and dramatically increased the FK506 production to 410.3 mg/mL, 1.41-fold higher than the parental strain L19-2 (170.3 mg/L). Finally, the FK506 production was further increased from 410.3 to 603 mg/L in shake-flask culture by adding L-isoleucine at a final concentration of 6 g/L. Moreover, the potential of FK506 production capacity was also evaluated in a 15-L fermenter, resulting in the FK506 production of 830.3 mg/L. Conclusion From the aspects of competitive pathways, refactoring of the FK506 biosynthetic gene cluster and nutrients-addition, a strategy for hyper-production and potentially industrial application of FK506 was developed and a hyper-production strain L19-9 was constructed. The strategy presented here can be generally applicable to other Streptomyces for improvement of FK506 production and streamline hyper-production of other valuable secondary metabolites. Supplementary Information The online version contains supplementary material available at 10.1186/s12934-021-01660-w.
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Affiliation(s)
- Qing-Bin Wu
- First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, Zhejiang University School of Medicine , Hangzhou, 310058, China.,Zhejiang Provincial Key Lab for Microbial Biochemistry and Metabolic Engineering, Hangzhou, 310058, China
| | - Xiao-Ying Zhang
- First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, Zhejiang University School of Medicine , Hangzhou, 310058, China.,Zhejiang Provincial Key Lab for Microbial Biochemistry and Metabolic Engineering, Hangzhou, 310058, China
| | - Xin-Ai Chen
- First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, Zhejiang University School of Medicine , Hangzhou, 310058, China.,Zhejiang Provincial Key Lab for Microbial Biochemistry and Metabolic Engineering, Hangzhou, 310058, China
| | - Yong-Quan Li
- First Affiliated Hospital and Institute of Pharmaceutical Biotechnology, Zhejiang University School of Medicine , Hangzhou, 310058, China. .,Zhejiang Provincial Key Lab for Microbial Biochemistry and Metabolic Engineering, Hangzhou, 310058, China.
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