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Fang H, Li Y, Song Y, Yu L, Song X, Zhao C. Consolidated bioprocessing of lignocellulosic wastes in Northwest China for D-glucaric acid production by an artificial microbial consortium. Bioprocess Biosyst Eng 2024:10.1007/s00449-024-03081-6. [PMID: 39158597 DOI: 10.1007/s00449-024-03081-6] [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: 07/11/2024] [Accepted: 08/12/2024] [Indexed: 08/20/2024]
Abstract
D-glucaric acid is a platform chemical of great importance and the consolidated bioprocessing (CBP) of lignocellulose by the microbial consortium of Trichoderma reesei C10 and Saccharomyces cerevisiae LGA-1C3S2 features prospects in biomanufacturing it. Here we compared some representative lignocelluloses in Northwest China including corn stover, wheat straw and switchgrass, and the leading pretreatments including steam explosion, subcritical water pretreatment, sodium hydroxide pretreatment, aqueous ammonia pretreatment, lime pretreatment, and diluted sulfuric acid pretreatment. It was found that sodium hydroxide pretreated switchgrass (SHPSG) was the best substrate for D-glucaric acid production, resulting in the highest D-glucaric acid titers, 11.69 ± 0.73 g/L in shake flask and 15.71 ± 0.80 g/L in 10L airlift fermenter, respectively. To the best of our knowledge, this is the highest D-glucaric acid production titer from lignocellulosic biomass. This work offers a paradigm of producing low-cost D-glucaric acid for low-carbon polyethylene 2,5-furandicarboxylate (PEF) and a reference on developing biorefinery in Northwest China.
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Affiliation(s)
- Hao Fang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, 311215, Zhejiang, China.
| | - Yuchen Li
- Department of Health Technology, Technical University of Denmark, 2800, Kgs. Lyngby, Denmark
| | - Yuqi Song
- Faculty of Engineering, Monash University, 14 Alliance Lane, Clayton Victoria 3800, Clayton, Australia
| | - Liang Yu
- Department of Biological Systems Engineering, Washington State University, Pullman, Washington, 99164, USA
| | - Xiangyang Song
- College of Chemical Engineering, Nanjing Forestry University, No.159 Longpan Road, Xuanwu District, Nanjing, 210037, Jiangsu, China
- Key Laboratory of Forestry Genetics & Biotechnology of Chinese Ministry of Education, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, Jiangsu, China
| | - Chen Zhao
- College of Life Sciences, Northwest A&F University, 22 Xinong Road, Yangling District, Xianyang, 712100, Shaanxi, China.
- Biomass Energy Center for Arid and Semi-Arid Lands, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China.
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Fang H, Deng Y, Pan Y, Li C, Yu L. Distributive and collaborative push‐and‐pull in an artificial microbial consortium for improved consolidated bioprocessing. AIChE J 2022. [DOI: 10.1002/aic.17844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hao Fang
- ZJU‐Hangzhou Global Scientific and Technological Innovation Center, No.733 Jianshe San Road Hangzhou Zhejiang China
- College of Life Sciences, Northwest A&F University, No.22 Xinong Road Yangling Shaanxi China
- College of Chemical and Biological Engineering, Zhejiang University, No.38 Zheda Road Hangzhou Zhejiang China
| | - Yuntao Deng
- College of Life Sciences, Northwest A&F University, No.22 Xinong Road Yangling Shaanxi China
| | - Yingjie Pan
- ZJU‐Hangzhou Global Scientific and Technological Innovation Center, No.733 Jianshe San Road Hangzhou Zhejiang China
| | - Chaofeng Li
- College of Life Sciences, Northwest A&F University, No.22 Xinong Road Yangling Shaanxi China
| | - Liang Yu
- Department of Biological Systems Engineering Washington State University Pullman Washington United States of America
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Fang H, Li C, Zhao J, Zhao C. Biotechnological Advances and Trends in Engineering Trichoderma reesei towards Cellulase Hyperproducer. BIOTECHNOL BIOPROC E 2021. [DOI: 10.1007/s12257-020-0243-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Li C, Lin X, Ling X, Li S, Fang H. Consolidated bioprocessing of lignocellulose for production of glucaric acid by an artificial microbial consortium. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:110. [PMID: 33931115 PMCID: PMC8086319 DOI: 10.1186/s13068-021-01961-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 04/21/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The biomanufacturing of D-glucaric acid has attracted increasing interest because it is one of the top value-added chemicals produced from biomass. Saccharomyces cerevisiae is regarded as an excellent host for D-glucaric acid production. RESULTS The opi1 gene was knocked out because of its negative regulation on myo-inositol synthesis, which is the limiting step of D-glucaric acid production by S. cerevisiae. We then constructed the biosynthesis pathway of D-glucaric acid in S. cerevisiae INVSc1 opi1Δ and obtained two engineered strains, LGA-1 and LGA-C, producing record-breaking titers of D-glucaric acid: 9.53 ± 0.46 g/L and 11.21 ± 0.63 g/L D-glucaric acid from 30 g/L glucose and 10.8 g/L myo-inositol in fed-batch fermentation mode, respectively. However, LGA-1 was preferable because of its genetic stability and its superior performance in practical applications. There have been no reports on D-glucaric acid production from lignocellulose. Therefore, the biorefinery processes, including separated hydrolysis and fermentation (SHF), simultaneous saccharification and fermentation (SSF) and consolidated bioprocessing (CBP) were investigated and compared. CBP using an artificial microbial consortium composed of Trichoderma reesei (T. reesei) Rut-C30 and S. cerevisiae LGA-1 was found to have relatively high D-glucaric acid titers and yields after 7 d of fermentation, 0.54 ± 0.12 g/L D-glucaric acid from 15 g/L Avicel and 0.45 ± 0.06 g/L D-glucaric acid from 15 g/L steam-exploded corn stover (SECS), respectively. In an attempt to design the microbial consortium for more efficient CBP, the team consisting of T. reesei Rut-C30 and S. cerevisiae LGA-1 was found to be the best, with excellent work distribution and collaboration. CONCLUSIONS Two engineered S. cerevisiae strains, LGA-1 and LGA-C, with high titers of D-glucaric acid were obtained. This indicated that S. cerevisiae INVSc1 is an excellent host for D-glucaric acid production. Lignocellulose is a preferable substrate over myo-inositol. SHF, SSF, and CBP were studied, and CBP using an artificial microbial consortium of T. reesei Rut-C30 and S. cerevisiae LGA-1 was found to be promising because of its relatively high titer and yield. T. reesei Rut-C30 and S. cerevisiae LGA-1were proven to be the best teammates for CBP. Further work should be done to improve the efficiency of this microbial consortium for D-glucaric acid production from lignocellulose.
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Affiliation(s)
- Chaofeng Li
- College of Life Sciences, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China
- Biomass Energy Center for Arid and Semi-Arid Lands, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China
| | - Xiaofeng Lin
- College of Life Sciences, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China
| | - Xing Ling
- College of Life Sciences, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China
| | - Shuo Li
- College of Life Sciences, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China
| | - Hao Fang
- College of Life Sciences, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China.
- Biomass Energy Center for Arid and Semi-Arid Lands, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang, 712100, Shaanxi, China.
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Sources of microbial oils with emphasis to Mortierella (Umbelopsis) isabellina fungus. World J Microbiol Biotechnol 2019; 35:63. [PMID: 30923965 DOI: 10.1007/s11274-019-2631-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 03/08/2019] [Indexed: 10/27/2022]
Abstract
The last years a constantly rising number of publications have appeared in the literature in relation to the production of oils and fats deriving from microbial sources (the "single cell oils"-SCOs). SCOs can be used as precursors for the synthesis of lipid-based biofuels or employed as substitutes of expensive oils rarely found in the plant or animal kingdom. In the present review-article, aspects concerning SCOs (economics, biochemistry, substrates, technology, scale-up), with emphasis on the potential of Mortierella isabellina were presented. Fats and hydrophilic substrates have been used as carbon sources for cultivating Zygomycetes. Among them, wild-type M. isabellina strains have been reported as excellent SCO-producers, with conversion yields on sugar consumed and lipid in DCW values reported comparable to the maximum ones achieved for genetically engineered SCO-producing strains. Lipids produced on glucose contain γ-linolenic acid (GLA), a polyunsaturated fatty acid (PUFA) of high dietary and pharmaceutical importance, though in low concentrations. Nevertheless, due to their abundance in oleic acid, these lipids are perfect precursors for the synthesis of 2nd generation biodiesel, while GLA can be recovered and directed to other usages. Genetic engineering focusing on over-expression of Δ6 and Δ12 desaturases and of C16 elongase may improve the fatty acid composition (viz. increasing the concentration of GLA or other nutritionally important PUFAs) of these lipids.
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Consolidated bioprocessing of lignocellulosic biomass to itaconic acid by metabolically engineering Neurospora crassa. Appl Microbiol Biotechnol 2018; 102:9577-9584. [DOI: 10.1007/s00253-018-9362-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/13/2018] [Accepted: 09/03/2018] [Indexed: 12/18/2022]
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