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Cazier EA, Pham TN, Cossus L, Abla M, Ilc T, Lawrence P. Exploring industrial lignocellulosic waste: Sources, types, and potential as high-value molecules. WASTE MANAGEMENT (NEW YORK, N.Y.) 2024; 188:11-38. [PMID: 39094219 DOI: 10.1016/j.wasman.2024.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 07/22/2024] [Accepted: 07/24/2024] [Indexed: 08/04/2024]
Abstract
Lignocellulosic biomass has a promising role in a circular bioeconomy and may be used to produce valuable molecules for green chemistry. Lignocellulosic biomass, such as food waste, agricultural waste, wood, paper or cardboard, corresponded to 15.7% of all waste produced in Europe in 2020, and has a high potential as a secondary raw material for industrial processes. This review first presents industrial lignocellulosic waste sources, in terms of their composition, quantities and types of lignocellulosic residues. Secondly, the possible high added-value chemicals obtained from transformation of lignocellulosic waste are detailed, as well as their potential for applications in the food industry, biomedical, energy or chemistry sectors, including as sources of polyphenols, enzymes, bioplastic precursors or biofuels. In a third part, various available transformation treatments, such as physical treatments with ultrasound or heat, chemical treatments with acids or bases, and biological treatments with enzymes or microorganisms, are presented. The last part discusses the perspectives of the use of lignocellulosic waste and the fact that decreasing the cost of transformation is one of the major issues for improving the use of lignocellulosic biomass in a circular economy and green chemistry approach, since it is currently often more expensive than petroleum-based counterparts.
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Affiliation(s)
- Elisabeth A Cazier
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France; Nantes Université, Oniris, GEPEA, UMR 6144, F-44600 Saint-Nazaire, France(1).
| | - Thanh-Nhat Pham
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France
| | - Louis Cossus
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France
| | - Maher Abla
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France.
| | - Tina Ilc
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France.
| | - Philip Lawrence
- UCLy (Lyon Catholic University), ESTBB, Lyon, France; UCLy (Lyon Catholic University), UR CONFLUENCE : Sciences et Humanités (EA 1598), Lyon, France.
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2
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Amenaghawon AN, Ayere JE, Amune UO, Otuya IC, Abuga EC, Anyalewechi CL, Okoro OV, Okolie JA, Oyefolu PK, Eshiemogie SO, Osahon BE, Omede M, Eshiemogie SA, Igemhokhai S, Okedi MO, Kusuma HS, Muojama OE, Shavandi A, Darmokoesoemo H. A comprehensive review of recent advances in the applications and biosynthesis of oxalic acid from bio-derived substrates. ENVIRONMENTAL RESEARCH 2024; 251:118703. [PMID: 38518912 DOI: 10.1016/j.envres.2024.118703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/12/2024] [Accepted: 03/11/2024] [Indexed: 03/24/2024]
Abstract
Organic acids are important compounds with numerous applications in different industries. This work presents a comprehensive review of the biological synthesis of oxalic acid, an important organic acid with many industrial applications. Due to its important applications in pharmaceuticals, textiles, metal recovery, and chemical and metallurgical industries, the global demand for oxalic acid has increased. As a result, there is an increasing need to develop more environmentally friendly and economically attractive alternatives to chemical synthesis methods, which has led to an increased focus on microbial fermentation processes. This review discusses the specific strategies for microbial production of oxalic acid, focusing on the benefits of using bio-derived substrates to improve the economics of the process and promote a circular economy in comparison with chemical synthesis. This review provides a comprehensive analysis of the various fermentation methods, fermenting microorganisms, and the biochemistry of oxalic acid production. It also highlights key sustainability challenges and considerations related to oxalic acid biosynthesis, providing important direction for further research. By providing and critically analyzing the most recent information in the literature, this review serves as a comprehensive resource for understanding the biosynthesis of oxalic acid, addressing critical research gaps, and future advances in the field.
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Affiliation(s)
- Andrew Nosakhare Amenaghawon
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria.
| | - Joshua Efosa Ayere
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria
| | - Ubani Oluwaseun Amune
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical Engineering, Faculty of Engineering, Edo State University, Uzairue, Edo State, Nigeria
| | - Ifechukwude Christopher Otuya
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical Engineering, Faculty of Engineering, Delta State University of Science and Technology, Ozoro, Delta State, Nigeria
| | - Emmanuel Christopher Abuga
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria
| | - Chinedu Lewis Anyalewechi
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical Engineering, Faculty of Engineering, Federal Polytechnic Oko, Anambra State, Nigeria
| | - Oseweuba Valentine Okoro
- BioMatter Unit - École polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Jude A Okolie
- Engineering Pathways, Gallogly College of Engineering, University of Oklahoma, Norman, OK 73019, USA
| | - Peter Kayode Oyefolu
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Steve Oshiokhai Eshiemogie
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Blessing Esohe Osahon
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria
| | - Melissa Omede
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria
| | - Stanley Aimhanesi Eshiemogie
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria
| | - Shedrach Igemhokhai
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Petroleum Engineering, University of Benin, Benin City, Edo State, Nigeria
| | - Maxwell Ogaga Okedi
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical and Biomedical Engineering, Florida A&M University-Florida State University, Tallahassee, FL 2310-6046, USA
| | - Heri Septya Kusuma
- Department of Chemical Engineering, Faculty of Industrial Technology, Universitas Pembangunan Nasional "Veteran" Yogyakarta, Indonesia.
| | - Obiora Ebuka Muojama
- Bioresources Valorization Laboratory, Department of Chemical Engineering, Faculty of Engineering, University of Benin, Benin City, Edo State, Nigeria; Department of Chemical and Biological Engineering, University of Alabama, Tuscaloosa, AL, 35487-0203, USA
| | - Amin Shavandi
- BioMatter Unit - École polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Handoko Darmokoesoemo
- Department of Chemistry, Faculty of Science and Technology, Airlangga University, Mulyorejo, Surabaya 60115, Indonesia.
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Wu X, Zhang T, Zhang K, Zhang R, Shi M, Gu C, Shi T, Lu L, Xue F, Xu Q, Zhang C. The forced activation of asexual conidiation in Aspergillus niger simplifies bioproduction. Synth Syst Biotechnol 2024; 9:277-284. [PMID: 38496318 PMCID: PMC10942867 DOI: 10.1016/j.synbio.2024.02.007] [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: 10/23/2023] [Revised: 02/22/2024] [Accepted: 02/28/2024] [Indexed: 03/19/2024] Open
Abstract
Aspergillus niger is an efficient cell factory for organic acids production, particularly l-malic acid, through genetic manipulation. However, the traditional method of collecting A. niger spores for inoculation is labor-intensive and resource-consuming. In our study, we used the CRISPR-Cas9 system to replace the promoter of brlA, a key gene in Aspergillus conidiation, with a xylose-inducible promoter xylP in l-malic acid-producing A. niger strain RG0095, generating strain brlAxylP. When induced with xylose in submerged liquid culture, brlAxylP exhibited significant upregulation of conidiation-related genes. This induction allowed us to easily collect an abundance of brlAxylP spores (>7.1 × 106/mL) in liquid xylose medium. Significantly, the submerged conidiation approach preserves the substantial potential of A. niger as a foundational cellular platform for the biosynthesis of organic acids, including but not limited to l-malic acid. In summary, our study offers a simplified submerged conidiation strategy to streamline the preparation stage and reduce labor and material costs for industrial organic acid production using Aspergillus species.
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Affiliation(s)
- Xingyu Wu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Tingting Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Ke Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Rui Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Man Shi
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Chenlei Gu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Tianqiong Shi
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Ling Lu
- College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Feng Xue
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Qing Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Chi Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
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Zhang Q, Fu J, Lin H, Xuan G, Zhang W, Chen L, Wang G. Shining light on carbon dots: Toward enhanced antibacterial activity for biofilm disruption. Biotechnol J 2024; 19:e2400156. [PMID: 38804136 DOI: 10.1002/biot.202400156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/22/2024] [Accepted: 05/06/2024] [Indexed: 05/29/2024]
Abstract
In spite of tremendous efforts dedicated to addressing bacterial infections and biofilm formation, the post-antibiotic ear continues to witness a gap between the established materials and an easily accessible yet biocompatible antibacterial reagent. Here we show carbon dots (CDs) synthesized via a single hydrothermal process can afford promising antibacterial activity that can be further enhanced by exposure to light. By using citric acid and polyethyleneimine as the precursors, the photoluminescence CDs can be produced within a one-pot, one-step hydrothermal reaction in only 2 h. The CDs demonstrate robust antibacterial properties against both Gram-positive and Gram-negative bacteria and, notably, a considerable enhancement of antibacterial effect can be observed upon photo-irradiation. Mechanistic insights reveal that the CDs generate singlet oxygen (1O2) when exposed to light, leading to an augmented reactive oxygen species level. The approach for disruption of biofilms and inhibition of biofilm formation by using the CDs has also been established. Our findings present a potential solution to combat antibacterial resistance and offer a path to reduce dependence on traditional antibiotics.
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Affiliation(s)
- Qingsong Zhang
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Jianxin Fu
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Hong Lin
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Guanhua Xuan
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Weiwei Zhang
- College of Marine Sciences, Ningbo University, Ningbo, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Process and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China
| | - Guoqing Wang
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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Chibli LA, de Lima BR, Carneiro AM, Figueiró HC, Cicek SS, Spiegler V, Funari CS. Toward a More Sustainable Sample Preparation in Phytochemistry: Case Studies in Four Subclasses of Alkaloids. JOURNAL OF NATURAL PRODUCTS 2024; 87:470-479. [PMID: 38381880 DOI: 10.1021/acs.jnatprod.3c01048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
The fact that alkaloids are bases has been the most explored chemical feature of their extraction and purification procedures. The main drawback of these procedures is that they employ undesirable chemicals, with HCl and CH2Cl2 probably being the most commonly employed chemicals in their subsequent steps. This work tested the hypothesis that advantages in recovery efficiency support this common practice. Experiments were conducted in three laboratories, monitoring the alkaloids harmine (1), boldine (2), vincamine (3), and mescaline (4) extracted from Banisteriopsis caapi, Peumus boldus, Vinca minor, and Trichocereus macrogonus var. pachanoi, respectively. The research demonstrated that HCl could be replaced with citric acid (CA) without loss or even better extraction performance. The recommended EtOAc could completely replace CH2Cl2 in three out of four study cases and partially in the fourth case without harming the extraction efficiency. In addition, the alternative solvents tert-amyl methyl ether (TAME) and n-butyl acetate (BuOAc) could enhance the extraction of alkaloids. These results might incentivize natural products laboratories to consider sustainability more routinely, thus being closer to current practices in the pharmaceutical industry, which has been replacing solvents and processes with greener ones.
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Affiliation(s)
- Lucas Apolinário Chibli
- Green Biotech Network, School of Agricultural Sciences, São Paulo State University (UNESP), 18610-034 Botucatu, Brazil
| | - Bruna Ribeiro de Lima
- Green Biotech Network, School of Agricultural Sciences, São Paulo State University (UNESP), 18610-034 Botucatu, Brazil
| | - Ariadne Magalhães Carneiro
- Green Biotech Network, School of Agricultural Sciences, São Paulo State University (UNESP), 18610-034 Botucatu, Brazil
| | - Harley Cardoso Figueiró
- Green Biotech Network, School of Agricultural Sciences, São Paulo State University (UNESP), 18610-034 Botucatu, Brazil
| | - Serhat Sezai Cicek
- Department of Pharmaceutical Biology, Kiel University, Gutenbergstrase 76, 24118 Kiel, Germany
- Department of Biotechnology, Hamburg University of Applied Sciences, Ulmentliet 20, 21033 Hamburg, Germany
| | - Verena Spiegler
- Institute of Pharmaceutical Biology and Phytochemistry, University of Münster, 48149 Münster, Germany
| | - Cristiano Soleo Funari
- Green Biotech Network, School of Agricultural Sciences, São Paulo State University (UNESP), 18610-034 Botucatu, Brazil
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Gao X, Mi X, Hou S, Kang C. Analysis of factors related to thrombosis in patients with PICC placements. Medicine (Baltimore) 2024; 103:e37168. [PMID: 38306520 PMCID: PMC10843478 DOI: 10.1097/md.0000000000037168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/16/2024] [Indexed: 02/04/2024] Open
Abstract
This study aimed to investigate the conditions of patients with peripherally inserted central catheter (PICC) placements, analyze the risk factors influencing thrombosis in PICC-placed patients, and formulate more accurate and effective PICC management strategies. A total of 147 patients undergoing PICC placements were selected as the study subjects. Clinical data were collected, and the patients were divided into thrombosis and non-thrombosis groups. Detect levels of bilirubin, white blood cells, venous pressure, heparin concentration, blood flow, citric acid, and platelets. Pearson chi-square test, Spearman correlation analysis, as well as univariate and multivariate logistic regression were employed to analyze independent risk factors. Among the 147 patients with PICC placements, there were 84 males and 63 females. Thrombosis occurred in 116 cases, with an incidence rate of 78.91%. Pearson chi-square test showed a significant correlation between citric acid, blood flow, platelets and frailty (P < .001) with thrombosis formation. Spearman correlation analysis revealed a significant correlation between citric acid (ρ = -0.636, P < .001), blood flow (ρ = 0.584, P < .001), platelet count (ρ = 0.440, P < .001), frailty (ρ = -0.809, P < .001) and thrombosis in PICC placement patients. Univariate logistic regression analysis indicated a significant correlation between thrombosis formation and citric acid (OR = 0.022, 95% CI = 0.006-0.08, P < .001), blood flow (OR = 33.973, 95% CI = 9.538-121.005, P < .001), platelet count (OR = 22.065, 95% CI = 5.021-96.970, P < .001), frailty (OR = 0.003, 95% CI = 0.001-0.025, P < .001). Multivariate logistic regression analysis also showed a significant correlation between thrombosis formation and citric acid (OR = 0.013, 95% CI = 0.002-0.086, P < .001), blood flow (OR = 35.064, 95% CI = 6.385-192.561, P < .001), platelet count (OR = 4.667, 95% CI = 0.902-24.143, P < .001), frailty (OR = 0.006, 95% CI = 0.001-0.051, P < .001). However, gender (OR = 0.544, 95% CI = 0.113-2.612, P = .447), age (OR = 4.178, 95% CI = 0.859-20.317, P = .076), bilirubin (OR = 2.594, 95% CI = 0.586-11.482, P = .209), white blood cells (OR = 0.573, 95% CI = 0.108-3.029, P = .512), venous pressure (OR = 0.559, 95% CI = 0.129-2.429, P = .438), and heparin concentration (OR = 2.660, 95% CI = 0.333-21.264, P = .356) showed no significant correlation with thrombosis formation. Patients with PICC placements have a higher risk of thrombosis, citric acid, blood flow, platelet count and frailty are the main risk factors.
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Affiliation(s)
- Xiaoli Gao
- Gastrointestinal Rehabilitation Center, Beijing Rehabilitation Hospital Affiliated to Capital Medical University, Xixiazhuang, Badachu, Shijingshan District, Beijing
| | - Xihua Mi
- Gastrointestinal Rehabilitation Center, Beijing Rehabilitation Hospital Affiliated to Capital Medical University, Xixiazhuang, Badachu, Shijingshan District, Beijing
| | - Shiyang Hou
- Gastrointestinal Rehabilitation Center, Beijing Rehabilitation Hospital Affiliated to Capital Medical University, Xixiazhuang, Badachu, Shijingshan District, Beijing
| | - Chunbo Kang
- Gastrointestinal Rehabilitation Center, Beijing Rehabilitation Hospital Affiliated to Capital Medical University, Xixiazhuang, Badachu, Shijingshan District, Beijing
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Feng Y, Dai L, Zhang Y, Sun S, Cong S, Ling S, Zhang H. Buyang Huanwu Decoction alleviates blood stasis, platelet activation, and inflammation and regulates the HMGB1/NF-κB pathway in rats with pulmonary fibrosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117088. [PMID: 37652195 DOI: 10.1016/j.jep.2023.117088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/14/2023] [Accepted: 08/24/2023] [Indexed: 09/02/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Qi deficiency and blood stasis are identified to be pathological factors of pulmonary fibrosis (PF) in traditional Chinese medicine (TCM) theory. Buyang Huanwu Decoction (BYHWD) is a traditional Chinese prescription ameliorating Qi deficiency and blood stasis. AIM OF THE STUDY The objective of this study was to investigate the anti-fibrosis effect of BYHWD and the potential molecular mechanism in rats. MATERIALS AND METHODS Bleomycin was used to construct PF rat models. 27 PF rats were randomly divided into three groups based on treatments: model group (saline solution, n = 9), low-dose BYHWD group (3.5 g/kg, n = 9), and high-dose BYHWD group (14.0 g/kg, n = 9). Moreover, 9 normal rats were used as the blank group. The blood viscosity, coagulation indexes (APTT, TT, PT, and FIB), platelet-related parameters (PLT, PDW, MPV, PCT, and PLCR), platelet microparticles (PMPs), and inflammatory factors (IL-2, IL-10, IL-1β, IL-6, IL-8, IL-17, IFN-γ, TNF-α, PAC-1, HMGB1, NF-κB, and TF) were determined. The lung tissue samples of rats were observed after hematoxylin-eosin (HE) staining. The full component analysis of the BYHWD extract was performed using the ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method. The signaling pathway included into the study was selected on the basis of bioinformatics analysis and the results of the phytochemical analysis. The expression levels of genes and proteins involved in the selected signaling pathway were detected. RESULTS Compared to the blank group, the whole blood viscosity, PLR, PDW, MPV, PCT, PLCR, PMPs, and the levels of IL-1β, IL-6, IL-8, IL-17, TNF-α, PAC-1, HMGB1, NF-κB, and TF were increased, while the levels of IL-2 and IL-10 were decreased in the model group. Both low-dose BYHWD and high-dose BYHWD reversed these PF-induced effects in spite of the fact that low-dose BYHWD had no significant effect on the level of NF-κB. In addition, BYHWD ameliorated PF-induced inflammation in the rat lung tissue. The phytochemical analysis of the BYHWD extract combined with the bioinformatics analysis suggested that the therapeutical effect of BYHWD on PF was related to the HMGB1/NF-κB pathway, which consisted of NF-κB, IKBKB, ICAM1, VCAM1, HMGB1, and TLR4. Both RT-qPCR and western blot analyses showed that PF induced increases in the expression levels of NF-κB, ICAM1, VCAM1, HMGB1, and TLR4, but a decrease in the expression level of IKBKB. Moreover, both low-dose BYHWD and high-dose BYHWD exerted the opposite effects, and recovered the expression levels of NF-κB, ICAM1, VCAM1, HMGB1, TLR4, and IKBKB, despite the fact that low-dose BYHWD had no effects on the mRNA expression levels of NF-κB or TLR4. CONCLUSIONS In summary, BYHWD alleviated PF-induced blood stasis, platelet activation, and inflammation in the rats. Our study suggested BYHWD had a therapeutic effect on PF and was a good alternative for the complementary therapy of PF, and the potential molecular mechanism was modulation of HMGB1/NF-κB signaling pathway, and it needs further study.
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Affiliation(s)
- Yuenan Feng
- Experimental Training Center, Heilongjiang University of Chinese Medicine, No.24 Heping Road, Xiangfang District, Harbin, 150040, Heilongjiang Province, China.
| | - Linfeng Dai
- Xiangfang District:Department of Pharmacy, Heilongjiang Provincial Hospital, No.82 Zhongshan Road, Xiangfang District, Harbin, 150036, Heilongjiang Province, China.
| | - Yanli Zhang
- Experimental Training Center, Heilongjiang University of Chinese Medicine, No.24 Heping Road, Xiangfang District, Harbin, 150040, Heilongjiang Province, China.
| | - Simiao Sun
- College of Pharmacy, Heilongjiang University of Chinese Medicine, No.24 Heping Road, Xiangfang District, Harbin, 150040, Heilongjiang Province, China.
| | - Shan Cong
- Department of Pharmacy, The Second Affiliated Hospital of Qiqihar Medical University, No.64 Zhonghua West Road, Jianhua District, Qiqihar, 161006, Heilongjiang Province, China.
| | - Shuang Ling
- Jiamusi College, Heilongjiang University of Chinese Medicine, No.53 Guanghua Street, Jiamusi, 154007, China.
| | - Huan Zhang
- Nangang District:Department of Pharmacy, Heilongjiang Provincial Hospital, No. 405 Gogol Street, Nangang District, Harbin, 150001, Heilongjiang Province, China.
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8
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Abd-Alrahman AM, Ramadan MM, Maraay MF, Salem R, Saleh FM, Hashim MA, Zhernyakova A, El-Messery TM. Production of natural flavor compounds using Bacillus subtilis-fermented soybean meal extract and their biological potential: a comprehensive in vitro study. Front Nutr 2024; 10:1280209. [PMID: 38299181 PMCID: PMC10829107 DOI: 10.3389/fnut.2023.1280209] [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: 08/19/2023] [Accepted: 12/27/2023] [Indexed: 02/02/2024] Open
Abstract
This study aims to investigate the production of natural flavor compounds through the utilization of Bacillus subtilis-fermented soybean meal extract and evaluate their biological potential. The experiment involved a comprehensive in vitro investigation to assess the capabilities and effects of the produced flavor compounds. The resulting flavor compounds were subjected to various in vitro tests to assess their properties, including cytotoxicity, antioxidant activity, anticancer potential, antiviral activity, and antimicrobial activity. To enhance the fermentation process, soybean meal extract was fortified with a combination of L-Lysine and L-Threonine. Gas chromatography-mass spectrometry (GC/MS) analysis was conducted on the fermented soybean meal using two strains of Bacillus subtilis, namely NRCH123 and NRCZ144. This analysis revealed the presence of various volatile compounds in all extracts, including Butylated hydroxytoluene. The fermented soybean extract with bacillus subtilis NRCZ144 (B2) fortified with a combination of 2.5% (w/w) L-Lysine and 2.5% w/w L-threonine (SLT2) exhibited a rich profile of flavor compounds, with Eucalyptol being identified as the predominant compound. The antioxidant activity of the SLT2 extract was found to be 72.04% at a concentration of 100 μg/mL, indicating significant antioxidant potential. Furthermore, when tested against the human liver cancer cell line HepG2, the extract demonstrated anticancer activity with an IC50 value of 2.26 μg/mL. The extract exhibited potent cytotoxicity, with an IC50 value of 1.02 μg/mL. Importantly, the SLT2 extract displayed strong antibacterial and antifungal activity, even at very low concentrations. The extract's antimicrobial properties indicate its potential for inhibiting the growth of bacteria and fungi.
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Affiliation(s)
- Abeer M. Abd-Alrahman
- Department Food Science and Technology, Faculty of Home Economics, Al-Azhar University, Tanta, Egypt
| | - Manal M. Ramadan
- Department Chemistry of Flavor and Aroma, Food Industry and Nutrition, National Research Centre, Cairo, Egypt
| | | | - Rabab Salem
- Department Food Science and Technology, Faculty of Home Economics, Al-Azhar University, Tanta, Egypt
| | - Fatma M. Saleh
- Department Food Science and Technology, Faculty of Home Economics, Al-Azhar University, Tanta, Egypt
| | - Mahmood A Hashim
- International Research Centre “Biotechnologies of the Third Millennium,” Faculty of Biotechnologies (BioTech), ITMO University, Saint Petersburg, Russia
- Agricultural Research Center, Food Technology Research Institute, Giza, Egypt
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Anastasia Zhernyakova
- International Research Centre “Biotechnologies of the Third Millennium,” Faculty of Biotechnologies (BioTech), ITMO University, Saint Petersburg, Russia
| | - Tamer M. El-Messery
- International Research Centre “Biotechnologies of the Third Millennium,” Faculty of Biotechnologies (BioTech), ITMO University, Saint Petersburg, Russia
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9
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Książek E. Citric Acid: Properties, Microbial Production, and Applications in Industries. Molecules 2023; 29:22. [PMID: 38202605 PMCID: PMC10779990 DOI: 10.3390/molecules29010022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Citric acid finds broad applications in various industrial sectors, such as the pharmaceutical, food, chemical, and cosmetic industries. The bioproduction of citric acid uses various microorganisms, but the most commonly employed ones are filamentous fungi such as Aspergillus niger and yeast Yarrowia lipolytica. This article presents a literature review on the properties of citric acid, the microorganisms and substrates used, different fermentation techniques, its industrial utilization, and the global citric acid market. This review emphasizes that there is still much to explore, both in terms of production process techniques and emerging new applications of citric acid.
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Affiliation(s)
- Ewelina Książek
- Department of Agroenginieering and Quality Analysis, Faculty of Production Engineering, Wroclaw University of Economics and Business, Komandorska 118-120, 53-345 Wrocław, Poland
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10
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Wohlgemuth R. Synthesis of Metabolites and Metabolite-like Compounds Using Biocatalytic Systems. Metabolites 2023; 13:1097. [PMID: 37887422 PMCID: PMC10608848 DOI: 10.3390/metabo13101097] [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: 08/16/2023] [Revised: 10/13/2023] [Accepted: 10/15/2023] [Indexed: 10/28/2023] Open
Abstract
Methodologies for the synthesis and purification of metabolites, which have been developed following their discovery, analysis, and structural identification, have been involved in numerous life science milestones. The renewed focus on the small molecule domain of biological cells has also created an increasing awareness of the rising gap between the metabolites identified and the metabolites which have been prepared as pure compounds. The design and engineering of resource-efficient and straightforward synthetic methodologies for the production of the diverse and numerous metabolites and metabolite-like compounds have attracted much interest. The variety of metabolic pathways in biological cells provides a wonderful blueprint for designing simplified and resource-efficient synthetic routes to desired metabolites. Therefore, biocatalytic systems have become key enabling tools for the synthesis of an increasing number of metabolites, which can then be utilized as standards, enzyme substrates, inhibitors, or other products, or for the discovery of novel biological functions.
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Affiliation(s)
- Roland Wohlgemuth
- MITR, Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego Street 116, 90-924 Lodz, Poland;
- Swiss Coordination Committee Biotechnology (SKB), 8021 Zurich, Switzerland
- European Society of Applied Biocatalysis (ESAB), 1000 Brussels, Belgium
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11
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Mores S, de Souza Vandenberghe LP, Martinez-Burgos WJ, Rodrigues C, Soccol CR. Simultaneous reuse and treatment of sugar-sweetened beverage wastes for citric acid production. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:2401-2407. [PMID: 37424583 PMCID: PMC10326170 DOI: 10.1007/s13197-023-05761-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/30/2023] [Accepted: 04/05/2023] [Indexed: 07/11/2023]
Abstract
This study aimed to evaluate the feasibility of using sugar-sweetened beverages (SSB) for citric acid (CA) production and its impact on chemical oxygen demand (COD) of SSB. Five types of SSB were used as a carbon source for CA production by A. niger, and the COD of each SSB was measured before and after the bioprocess. Results showed that all tested SSB were suitable for CA production, with maximum yields ranging from 13.01 to 56.62 g L- 1. The COD was reduced from 53 to 75.64%, indicating that the bioprocess effectively treated SSB wastes. The use of SSB as a substrate for CA production provides an alternative to traditional feedstocks, such as sugarcane and beet molasses. The low-cost and high availability of SSB makes it an attractive option for CA production. Moreover, the study demonstrated the potential of the bioprocess to simultaneously treat and reuse SSB wastes, reducing the environmental impact of the beverage industry. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-023-05761-9.
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Affiliation(s)
- Sabrina Mores
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná (UFPR), P.O. Box 19011, Curitiba, Paraná 81531-990 Brazil
| | - Luciana Porto de Souza Vandenberghe
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná (UFPR), P.O. Box 19011, Curitiba, Paraná 81531-990 Brazil
| | - Walter José Martinez-Burgos
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná (UFPR), P.O. Box 19011, Curitiba, Paraná 81531-990 Brazil
| | - Cristine Rodrigues
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná (UFPR), P.O. Box 19011, Curitiba, Paraná 81531-990 Brazil
| | - Carlos Ricardo Soccol
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná (UFPR), P.O. Box 19011, Curitiba, Paraná 81531-990 Brazil
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12
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Upgrading Major Waste Streams Derived from the Biodiesel Industry and Olive Mills via Microbial Bioprocessing with Non-Conventional Yarrowia lipolytica Strains. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9030251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
This study reports the development of a bioprocess involving the valorization of biodiesel-derived glycerol as the main carbon source for cell proliferation of Yarrowia lipolytica strains and production of metabolic compounds, i.e., citric acid (Cit), polyols, and other bio-metabolites, the substitution of process tap water with olive mill wastewater (OMW) in batch fermentations, and partial detoxification of OMW (up to 31.1% decolorization). Increasing initial phenolics (Phen) of OMW-glycerol blends led to substantial Cit secretion. Maximum Cit values, varying between 64.1–65.1 g/L, combined with high yield (YCit/S = 0.682–0.690 g Cit/g carbon sources) and productivity (0.335–0.344 g/L/h) were achieved in the presence of Phen = 3 g/L. The notable accumulation of endopolysaccharides (EPs) on the produced biomass was determined when Y. lipolytica LMBF Y-46 (51.9%) and ACA-YC 5033 (61.5%) were cultivated on glycerol-based media. Blending with various amounts of OMW negatively affected EPs and polyols biosynthesis. The ratio of mannitol:arabitol:erythritol was significantly affected (p < 0.05) by the fermentation media. Erythritol was the major polyol in the absence of OMW (53.5–62.32%), while blends of OMW-glycerol (with Phen = 1–3 g/L) promoted mannitol production (54.5–76.6%). Nitrogen-limited conditions did not favor the production of cellular lipids (up to 16.6%). This study addressed sustainable management and resource efficiency enabling the bioconversion of high-organic-load and toxic waste streams into valuable products within a circular bioeconomy approach.
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13
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State of the Art on the Microbial Production of Industrially Relevant Organic Acids. Catalysts 2022. [DOI: 10.3390/catal12020234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The industrial relevance of organic acids is high; because of their chemical properties, they can be used as building blocks as well as single-molecule agents with a huge annual market. Organic acid chemical platforms can derive from fossil sources by petrochemical refining processes, but most of them also represent natural metabolites produced by many cells. They are the products, by-products or co-products of many primary metabolic processes of microbial cells. Thanks to the potential of microbial cell factories and to the development of industrial biotechnology, from the last decades of the previous century, the microbial-based production of these molecules has started to approach the market. This was possible because of a joint effort of microbial biotechnologists and biochemical and process engineers that boosted natural production up to the titer, yield and productivity needed to be industrially competitive. More recently, the possibility to utilize renewable residual biomasses as feedstock not only for biofuels, but also for organic acids production is further augmenting the sustainability of their production, in a logic of circular bioeconomy. In this review, we briefly present the latest updates regarding the production of some industrially relevant organic acids (citric fumaric, itaconic, lactic and succinic acid), discussing the challenges and possible future developments of successful production.
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14
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Exploring cocoa pod husks as a potential substrate for citric acid production by solid-state fermentation using Aspergillus niger mutant strain. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.12.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Ye R, Zhao Z, Gao R, Wan J, Cao X. Conversion of Calcium Citrate to Citric Acid with Compressed CO 2. ACS OMEGA 2022; 7:683-687. [PMID: 35036734 PMCID: PMC8757331 DOI: 10.1021/acsomega.1c05316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Citric acid is mainly produced in the fermentation industry, which needs complex processes and produces a high amount of CaSO4 as waste. In this study, CO2 has been used to convert calcium citrate to citric acid and CaCO3 by controlling the reaction parameters (reactants ratio, temperature, and pressure). The CaCO3 produced in this conversion could further be used in the fermentation industry for citric acid production. The transformation condition has been optimized by controlling temperature, pressure, reaction time, and mass ratio of calcium citrate and water. The highest conversion could reach up to 94.7% under optimal experimental conditions of 18 MPa of pressure, 65 °C of reaction temperature, 4 h of reaction time, and 2 g/L of calcium citrate/water suspension solution. This method features simple process, easy separation of citric acid, and environmentally friendly process, which could be a potentially alternative route for downstream treatment in fermentation production of citric acid.
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16
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Merli G, Becci A, Amato A, Beolchini F. Acetic acid bioproduction: The technological innovation change. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 798:149292. [PMID: 34375263 DOI: 10.1016/j.scitotenv.2021.149292] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/16/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Acetic acid is an organic acid of great importance globally and the demand of this product is currently increasing. The production of this acid has consequently aroused more and more interest over the years, especially for more sustainable processes. From a biological point of view, acetic acid can be produced by acetogenesis using inorganic substrates like CO2 or CO (with acetogenic bacteria) and aerobic fermentation (with acetic acid bacteria or fungi). With the aim of investigating the progress of technological innovation, the methodology applied by this review was an analysis of the international patents with the Espacenet platform, which ensured a worldwide invention overview. Another criterion was the selection of a precise period of time, from 1990 to 2020. A patent review is able to create an overview of the inventions designed for the real scale implementation, providing a whole picture of the state of the art of the technological innovation change. In addition, the most representative works of literature, that consider the influence of operating conditions (T, pH, oxygenation), have been analysed for each process. The present review, with an innovative approach focused on the technological innovation change, highlighted the ongoing interest for acetic acid bioproduction by acetogenic and acetic acid bacteria. The number of patents related to acetic acid bacteria was consistent also in the past years, but recently the interest is moving forward the utilization of genetic engineering (36% of the patents) and new substrates, like agriculture waste (26% of the patens), responding to circular economy principles. On the other hand, the acetic acid production by acetogenic bacteria is most recent, with over the 90% of the patents developed in the last 10 years. In this case the interest is mainly focused on the use of synthesis gas as substrate, that could increase the process sustainability.
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Affiliation(s)
- Giulia Merli
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Alessandro Becci
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy.
| | - Alessia Amato
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Francesca Beolchini
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
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17
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Pooresmaeil M, Javanbakht S, Namazi H, Shaabani A. Application or function of citric acid in drug delivery platforms. Med Res Rev 2021; 42:800-849. [PMID: 34693555 DOI: 10.1002/med.21864] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 08/02/2021] [Accepted: 10/12/2021] [Indexed: 12/11/2022]
Abstract
Nontoxic materials with natural origin are promising materials in the designing and preparation of the new drug delivery systems (DDSs). Today's, citric acid (CA) has attracted a great deal of attention because of its special features; green nature, biocompatibility, low price, biodegradability, and commercially available property. So, CA has been employed in the preparation of the various platforms to induce a suitable property on their structure. Recently, several research groups investigated the CA-based platforms in different forms like tablets, dendrimers, hyperbranched polymers, (co)polymer, hydrogels, and nanoparticles as efficient DDSs. By considering an increasing amount of published articles in this field, for the first time, in this review, an overview of the published works regarding CA applications in the design of various DDSs is presented with a detailed and insightful discussion.
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Affiliation(s)
- Malihe Pooresmaeil
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | | | - Hassan Namazi
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.,Research Center for Pharmaceutical Nanotechnology (RCPN), Tabriz University of Medical Science, Tabriz, Iran
| | - Ahmad Shaabani
- Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
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18
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Eco-Innovation Diversity in a Circular Economy: Towards Circular Innovation Studies. SUSTAINABILITY 2021. [DOI: 10.3390/su131910974] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Transition to a Circular Economy (CE) is about structural change and is predicated on the introduction of transformative eco-innovation (EI). Research on the CE–EI nexus has recently attracted attention both from an analytical and regulatory perspective. However, in-depth research exploring EI dynamics within the CE is still marginal, especially concerning the trends and dynamics of the pro-CE innovation policy and strategy. This paper addresses this gap by taking advantage of the burgeoning research on CE of the last 20 years and offers a new working synthesis. By implementing a “(systematic) review of (systematic) reviews”, this paper provides a new comprehensive framework for understanding pro-circular innovation strategies and, as a complement, argues the need to advance “circular innovation studies” as an agenda in its own right. Innovations related to recycling and recovery CE strategies along with business-model innovations and systemic/transformative innovations are found to be a major current trend in the research, connecting supply and demand side innovations and also driving other forms of innovation linked to design, product manufacturing, logistics and reverse logistics and end-of-life management and recovery. Additionally, of note is that the conceptual understanding of EI dynamics within a CE is still mainly implicit (rather than explicitly discussed) limiting the possibilities to advance knowledge in the area of innovation for CE: this is why we propose a “circular innovation studies” agenda.
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Wang B, Tan F, Yu F, Li H, Zhang M. Efficient biorefinery of whole cassava for citrate production using Aspergillus niger mutated by atmospheric and room temperature plasma and enhanced co-saccharification strategy. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:4613-4620. [PMID: 33474750 DOI: 10.1002/jsfa.11104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/07/2021] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The non-grain crop cassava has attracted intense attention in the biorefinery process. However, efficient biorefinery of whole cassava is faced with some challenges due to the existence of strain inhibition and refractory cellulose during the citrate production process. RESULTS Here, a novel breeding method - atmospheric and room temperature plasma (ARTP) - was applied for strain improvement of citrate-producing strain Aspergillus niger from whole cassava. The citrate yield of the mutant obtained using ARTP mutagenesis increased by 36.5% in comparison with the original strain. Moreover, citric acid fermentation was further improved on the basis of an enhanced co-saccharification strategy by supplementing glucoamylase and cellulase. The fermentation efficiency increased by 35.8% with a 17.0 g L-1 reduction in residual sugar on a pilot scale. CONCLUSIONS All these results confirmed that a combination of the novel breeding method and enhanced co-saccharification strategy could be used to efficiently refine whole cassava. The results also provide inspiration for the production of value-added products and waste disposal in agro-based industries. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Baoshi Wang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Fengling Tan
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Feifei Yu
- Shandong Drug and Food Vocational College, Weihai, China
| | - Hua Li
- School of Life Sciences, Institute of Microbial Engineering, Henan University, Kaifeng, China
| | - Mingxia Zhang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
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20
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Mores S, Vandenberghe LPDS, Magalhães Júnior AI, de Carvalho JC, de Mello AFM, Pandey A, Soccol CR. Citric acid bioproduction and downstream processing: Status, opportunities, and challenges. BIORESOURCE TECHNOLOGY 2021; 320:124426. [PMID: 33249260 DOI: 10.1016/j.biortech.2020.124426] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/12/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
Citric acid (CA) has been widely used in different industrial sectors, being produced through fermentation of low-cost feedstock. The development of downstream processes, easier to operate, environmentally friendly, and more economic than precipitation, is certainly a challenge in CA bioproduction. Large volumes of by-products generated in precipitation require treatment before disposal. Adsorption, extraction, and membrane separation have been shown to have a lower environmental impact than precipitation, but the technological maturity of these methods is still limited. However, reactive extraction and adsorption have great potential for industrial applications. This review shows that there is still much to be explored, both about the factors that are intrinsic to the techniques, but also in their combination for new processes' development. This review reports the most recent advances on CA bioproduction, with significant information about recovery and purification methods involving this highly industrially demanded organic acid.
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Affiliation(s)
- Sabrina Mores
- Federal University of Paraná (UFPR). Department of Bioprocess Engineering and Biotechnology. P.O. Box 19011, ZIP Code 81531-990, Curitiba, Paraná, Brazil
| | - Luciana Porto de Souza Vandenberghe
- Federal University of Paraná (UFPR). Department of Bioprocess Engineering and Biotechnology. P.O. Box 19011, ZIP Code 81531-990, Curitiba, Paraná, Brazil.
| | - Antonio Irineudo Magalhães Júnior
- Federal University of Paraná (UFPR). Department of Bioprocess Engineering and Biotechnology. P.O. Box 19011, ZIP Code 81531-990, Curitiba, Paraná, Brazil
| | - Júlio César de Carvalho
- Federal University of Paraná (UFPR). Department of Bioprocess Engineering and Biotechnology. P.O. Box 19011, ZIP Code 81531-990, Curitiba, Paraná, Brazil
| | - Ariane Fátima Murawski de Mello
- Federal University of Paraná (UFPR). Department of Bioprocess Engineering and Biotechnology. P.O. Box 19011, ZIP Code 81531-990, Curitiba, Paraná, Brazil
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001, India
| | - Carlos Ricardo Soccol
- Federal University of Paraná (UFPR). Department of Bioprocess Engineering and Biotechnology. P.O. Box 19011, ZIP Code 81531-990, Curitiba, Paraná, Brazil
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21
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Wang B, Wang B, Tan F, Li H, Zhang M. Fine regulation of the starch liquefaction process and its application in the production of citric acid. Int J Biol Macromol 2020; 164:2092-2099. [PMID: 32800959 DOI: 10.1016/j.ijbiomac.2020.08.085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/07/2020] [Accepted: 08/09/2020] [Indexed: 11/18/2022]
Abstract
Citric acid (CA), generally fermented from the starchy material, has attracted intense attention because of its wide applications in many aspects. However, the traditional starchy-liquefaction process based on the dextrose equivalent value and iodine-testing method is inappropriate as it hinders the subsequent CA fermentations. Here, a novel method of evaluating the starch liquefaction in the CA production process was established. Firstly, dextrin samples with the molecular weight (Mw) narrow distribution were prepared by alcohol fractional precipitation. Glucoamylase (GM) from the culture of CA-producing strain Aspergillus niger was purified. Then, the structure-activity relationship between the dextrin and GM was analyzed. Results demonstrated that the Mw of liquefied components aggregated in the range of 1.4-1.9 kDa could improve the efficiency of simultaneous saccharification and fermentation process. CA production rate and total sugar uptake rate were evidently improved with residual total sugar decreasing by 10.8% and fermentation efficiency enhanced by 21.1% in 9 h shorter fermentation time. All these results confirmed that fine regulation of the starch liquefaction based on the Mw characteristics was feasible and effective to improve the CA fermentation. Our proposed strategy could also be useful for other fermentations and sugar industry involving the starchy material.
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Affiliation(s)
- Baoshi Wang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China.
| | - Bin Wang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Fengling Tan
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China
| | - Hua Li
- School of Life Sciences, Institute of Microbial Engineering, Henan University, Kaifeng 475004, China
| | - Mingxia Zhang
- School of Life Science and Technology, Henan Collaborative Innovation Center in Modern Biological Breeding, Henan Institute of Science and Technology, Xinxiang, China.
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22
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23
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Xu J, Zhang R, Han Z, Wang Z, Wang F, Deng L, Nie K. The highly-stable immobilization of enzymes on a waste mycelium carrier. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 271:111032. [PMID: 32778312 DOI: 10.1016/j.jenvman.2020.111032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 06/22/2020] [Accepted: 06/28/2020] [Indexed: 06/11/2023]
Abstract
Mycelium is an abundant waste from the fermentation industry, and the environmental problems associated with its required disposal seriously limited the development of fermentation industry. In China, millions of tons of various kinds of mycelium residues were produced each year. Research into providing added-value to mycelium, while avoiding its disposal, is hence of paramount importance. Mycelium can be used as carrier for enzymes, while the enzyme immobilization moreover improves their stability and lifetime performance. Carrier recycling, the natural degradation and disposal of artificial polymer carriers are critical issues in immobilization. This research investigated its use to manufacture a highly-stable immobilized enzyme. An acid pretreatment was employed to enhance the adsorption ability of mycelium, and its adsorption ability was compared with other carriers. Under the optimal conditions, a core-shell immobilized enzyme with porous structure was obtained. The stability and the recycle results of the evaluation indicated the excellent performance of the immobilized enzyme. The mycelium recycling was also investigated to verify the practicability. All the results indicated that the use of a mycelium-based carrier was a promising strategy for the reutilization of the fermentation waste, and this technique provides an alternative way to reduce the total amount of the waste mycelium. Meanwhile, the stability and reusability performance of the mycelium-based immobilization could also decrease the influence of the disposal of the solid waste from denatured enzymes to the environment.
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Affiliation(s)
- Juntao Xu
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Renwei Zhang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Zehui Han
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Zheng Wang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Fang Wang
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Li Deng
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China.
| | - Kaili Nie
- Beijing Key Lab of Bioprocess, National Energy R&D Center for Biorefinery, Beijing, 100029, PR China; College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, PR China.
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Li C, Zhou J, Du G, Chen J, Takahashi S, Liu S. Developing Aspergillus niger as a cell factory for food enzyme production. Biotechnol Adv 2020; 44:107630. [PMID: 32919011 DOI: 10.1016/j.biotechadv.2020.107630] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 09/05/2020] [Accepted: 09/05/2020] [Indexed: 02/06/2023]
Abstract
Aspergillus niger has become one of the most important hosts for food enzyme production due to its unique food safety characteristics and excellent protein secretion systems. A series of food enzymes such as glucoamylase have been commercially produced by A. niger strains, making this species a suitable platform for the engineered of strains with improved enzyme production. However, difficulties in genetic manipulations and shortage of expression strategies limit the progress in this regard. Moreover, several mycotoxins have recently been detected in some A. niger strains, which raises the necessity for a regulatory approval process for food enzyme production. With robust strains, processing engineering strategies are also needed for producing the enzymes on a large scale, which is also challenging for A. niger, since its culture is aerobic, and non-Newtonian fluid properties are developed during submerged culture, making mixing and aeration very energy-intensive. In this article, the progress and challenges of developing A. niger for the production of food enzymes are reviewed, including its genetic manipulations, strategies for more efficient production of food enzymes, and elimination of mycotoxins for product safety.
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Affiliation(s)
- Cen Li
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
| | - Jingwen Zhou
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
| | - Guocheng Du
- School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
| | - Jian Chen
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Jiangsu Provisional Research Center for Bioactive Product Processing Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
| | - Shunji Takahashi
- Natural Product Biosynthesis Research Unit, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
| | - Song Liu
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; School of Biotechnology and Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
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Biotechnology for Metal Recovery from End-of-Life Printed Circuit Boards with Aspergillus niger. SUSTAINABILITY 2020. [DOI: 10.3390/su12166482] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The growing production and use of electric and electronic components has led to higher rates of metal consumption and waste generation. To solve this double criticality, the old linear management method (in which a product becomes waste to dispose), has evolved towards a circular approach. Printed circuit boards (PCBs) are the brains of many electronic devices. At the end of their life, this equipment represents a valuable scrap for the content of base metals such as Cu and Zn (25 and 2 wt %, respectively) and precious metals such as Au, Ag, and Pd (250, 1000, and 110 ppm, respectively). Recently, biotechnological approaches have gained increasing prominence in PCB exploitation since they can be more cost-efficient and environmentally friendly than the chemical techniques. In this context, the present paper describes a sustainable process which uses the fungal strain Aspergillus niger for Cu and Zn extraction from PCBs. The best conditions identified were PCB addition after 14 days, Fe3+ as oxidant agent, and a pulp density of 2.5% (w/v). Extraction efficiencies of 60% and 40% for Cu and Zn, respectively, were achieved after 21 days of fermentation. The ecodesign of the process was further enhanced by using milk whey as substrate for the fungal growth and the consequent citric acid production, which was selected as a bioleaching agent.
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Shah SS, Palmieri MC, Sponchiado SRP, Bevilaqua D. Enhanced bio-recovery of aluminum from low-grade bauxite using adapted fungal strains. Braz J Microbiol 2020; 51:1909-1918. [PMID: 32748245 DOI: 10.1007/s42770-020-00342-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 07/17/2020] [Indexed: 01/10/2023] Open
Abstract
Filamentous fungi have been proved to have a pronounced capability to recover metals from mineral ores. However, the metal recovery yield is reduced due to toxic effects triggered by various heavy metals present in the ore. The current study highlights the fungal adaptations to the toxic effects of metals at higher pulp densities for the enhanced bio-recovery of aluminum from low-grade bauxite. In the previous studies, a drastic decrease in the aluminum dissolution was observed when the bauxite pulp density was increased from 1 to 10% (w/v) due to the high metal toxicity and low tolerance of Aspergillus niger and Penicillium simplicissium to heavy metals. These fungi were adapted in order to increase heavy metal tolerance of these fungal strains and also to get maximum Al dissolution. A novel approach was employed for the adaptation of fungal strains using a liquid growth medium containing 5% bauxite pulp density supplemented with molasses as an energy source. The mycelia of adapted strains were harvested and subsequently cultured in a low-cost oat-agar medium. Batch experiments were performed to compare the aluminum leaching efficiencies in the direct one-step and the direct two-step bioleaching processes. FE-SEM analysis revealed the direct destructive and corrosive action by the bauxite-tolerant strains due to the extension and penetration of the vegetative mycelium filaments into the bauxite matrix. XRD analysis of the bioleached bauxite samples showed a considerable decline in oxide minerals such as corundum and gibbsite. Results showed a high amount of total Al (≥ 98%) was successfully bioleached and solubilized from low-grade bauxite by the adapted fungal strains grown in the presence of 5% pulp density and molasses as a low-cost substrate. Graphical abstract.
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Affiliation(s)
- Syed Sikandar Shah
- Department of Biochemistry and Chemical Technology, São Paulo State University (UNESP), Institute of Chemistry Araraquara, Araraquara, SP, 14800-060, Brazil. .,Department of Chemical Engineering, Polytechnic School of University of Sao Paulo (USP), Sao Paulo, SP, 05508-010, Brazil.
| | | | - Sandra Regina Pombeiro Sponchiado
- Department of Biochemistry and Chemical Technology, São Paulo State University (UNESP), Institute of Chemistry Araraquara, Araraquara, SP, 14800-060, Brazil
| | - Denise Bevilaqua
- Department of Biochemistry and Chemical Technology, São Paulo State University (UNESP), Institute of Chemistry Araraquara, Araraquara, SP, 14800-060, Brazil
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Fickers P, Cheng H, Sze Ki Lin C. Sugar Alcohols and Organic Acids Synthesis in Yarrowia lipolytica: Where Are We? Microorganisms 2020; 8:E574. [PMID: 32326622 PMCID: PMC7232202 DOI: 10.3390/microorganisms8040574] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/09/2020] [Accepted: 04/13/2020] [Indexed: 01/01/2023] Open
Abstract
Sugar alcohols and organic acids that derive from the metabolism of certain microorganisms have a panoply of applications in agro-food, chemical and pharmaceutical industries. The main challenge in their production is to reach a productivity threshold that allow the process to be profitable. This relies on the construction of efficient cell factories by metabolic engineering and on the development of low-cost production processes by using industrial wastes or cheap and widely available raw materials as feedstock. The non-conventional yeast Yarrowia lipolytica has emerged recently as a potential producer of such metabolites owing its low nutritive requirements, its ability to grow at high cell densities in a bioreactor and ease of genome edition. This review will focus on current knowledge on the synthesis of the most important sugar alcohols and organic acids in Y. lipolytica.
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Affiliation(s)
- Patrick Fickers
- Microbial Process and Interactions, TERRA Teaching and Research Centre, University of Liege—Gembloux Agro-Bio Tech, 5030 Gembloux, Belgium
| | - Hairong Cheng
- State Key Laboratory of Microbial Metabolism, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Carol Sze Ki Lin
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong;
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