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Liu D, Garrigues S, de Vries RP. Heterologous protein production in filamentous fungi. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12660-8. [PMID: 37405433 PMCID: PMC10386965 DOI: 10.1007/s00253-023-12660-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/16/2023] [Accepted: 06/21/2023] [Indexed: 07/06/2023]
Abstract
Filamentous fungi are able to produce a wide range of valuable proteins and enzymes for many industrial applications. Recent advances in fungal genomics and experimental technologies are rapidly changing the approaches for the development and use of filamentous fungi as hosts for the production of both homologous and heterologous proteins. In this review, we highlight the benefits and challenges of using filamentous fungi for the production of heterologous proteins. We review various techniques commonly employed to improve the heterologous protein production in filamentous fungi, such as strong and inducible promoters, codon optimization, more efficient signal peptides for secretion, carrier proteins, engineering of glycosylation sites, regulation of the unfolded protein response and endoplasmic reticulum associated protein degradation, optimization of the intracellular transport process, regulation of unconventional protein secretion, and construction of protease-deficient strains. KEY POINTS: • This review updates the knowledge on heterologous protein production in filamentous fungi. • Several fungal cell factories and potential candidates are discussed. • Insights into improving heterologous gene expression are given.
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Affiliation(s)
- Dujuan Liu
- Fungal Physiology, Westerdijk Fungal Biodiversity Institute & Fungal Molecular Physiology, Utrecht University, Uppsalalaan 8, 3584 CT, Utrecht, The Netherlands
| | - Sandra Garrigues
- Fungal Physiology, Westerdijk Fungal Biodiversity Institute & Fungal Molecular Physiology, Utrecht University, Uppsalalaan 8, 3584 CT, Utrecht, The Netherlands
- Department of Food Biotechnology, Instituto de Agroquímica Y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC), Paterna, Valencia, Spain
| | - Ronald P de Vries
- Fungal Physiology, Westerdijk Fungal Biodiversity Institute & Fungal Molecular Physiology, Utrecht University, Uppsalalaan 8, 3584 CT, Utrecht, The Netherlands.
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Ji W, Wang X, Liu X, Wang Y, Liu F, Xu B, Luo H, Tu T, Zhang W, Xu X, Su X. Combining manipulation of integration loci and secretory pathway on expression of an Aspergillus niger glucose oxidase gene in Trichoderma reesei. Microb Cell Fact 2023; 22:38. [PMID: 36841771 PMCID: PMC9960163 DOI: 10.1186/s12934-023-02046-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 02/18/2023] [Indexed: 02/27/2023] Open
Abstract
Trichoderma reesei (T. reesei) is well-known for its excellent ability to secret a large quantity of cellulase. However, unlike the endogenous proteins, little is known about the molecular mechanisms governing heterologous protein production. Herein, we focused on the integration loci and the secretory pathway, and investigated their combinatorial effects on heterologous gene expression in T. reesei using a glucose oxidase from Aspergillus niger as a model protein. Integration in the cel3c locus was more efficient than the cbh1 locus in expressing the AnGOx by increasing the transcription of AnGOx in the early stage. In addition, we discovered that interruption of the cel3c locus has an additional effect by increasing the expression of the secretory pathway component genes. Accordingly, overexpressing three secretory pathway component genes, that were snc1, sso2, and rho3, increased AnGOx expression in the cbh1 transformant but not in the cel3c transformant.
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Affiliation(s)
- Wangli Ji
- grid.410727.70000 0001 0526 1937Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, No.12 South Zhongguancun St., Haidian District, Beijing, 100081 China
| | - Xiaolu Wang
- grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No. 2 West Yuanmingyuan Road, Haidian District, Beijing, 100193 China
| | - Xiaoqing Liu
- grid.410727.70000 0001 0526 1937Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, No.12 South Zhongguancun St., Haidian District, Beijing, 100081 China
| | - Yuan Wang
- grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No. 2 West Yuanmingyuan Road, Haidian District, Beijing, 100193 China
| | - Fangui Liu
- grid.459577.d0000 0004 1757 6559College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000 Guangdong China
| | - Bo Xu
- grid.459577.d0000 0004 1757 6559College of Biological and Food Engineering, Guangdong University of Petrochemical Technology, Maoming, 525000 Guangdong China
| | - Huiying Luo
- grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No. 2 West Yuanmingyuan Road, Haidian District, Beijing, 100193 China
| | - Tao Tu
- grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No. 2 West Yuanmingyuan Road, Haidian District, Beijing, 100193 China
| | - Wei Zhang
- grid.410727.70000 0001 0526 1937Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, No.12 South Zhongguancun St., Haidian District, Beijing, 100081 China
| | - Xinxin Xu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, No.12 South Zhongguancun St., Haidian District, Beijing, 100081, China.
| | - Xiaoyun Su
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No. 2 West Yuanmingyuan Road, Haidian District, Beijing, 100193, China.
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