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Ni D, Wei Y, Zhang Y, Moussa TAA, Zhang W, Mu W. Biochemical identification of D-mannose 2-epimerase from Cytophagaceae bacterium SJW1-29 for efficient bioconversion of D-glucose to D-mannose. Enzyme Microb Technol 2024; 179:110465. [PMID: 38852283 DOI: 10.1016/j.enzmictec.2024.110465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/25/2024] [Accepted: 05/31/2024] [Indexed: 06/11/2024]
Abstract
Enzymatic production of D-mannose attracts increasing attention because of the health effects and commercial values of D-mannose. Several kinds of epimerases or isomerases have been used for enzymatic production of D-mannose from D-glucose or D-fructose. D-Mannose epimerase (MEase), belonging to N-acyl-D-glucosamine 2-epimerase superfamily enzymes, catalyzes the C-2 epimerization between D-glucose and D-mannose. In this study, a novel MEase was identified from Cytophagaceae bacterium SJW1-29. Sequence and structure alignments indicate that it is highly conserved with the reported R. slithyformis MEase with the known crystal structure. It was a metal-independent enzyme, with an optimal pH of 8.0 and an optimal temperature of 40 °C. The specific activities on D-glucose and D-mannose were 2.90 and 2.96 U/mg, respectively. The Km, kcat, and kcat/Km on D-glucose were measured to be 194.9 mM, 2.72 s-1, and 0.014 mM-1 s-1, respectively. The purified enzyme produced 23.15 g/L of D-mannose from 100 g/L of D-glucose at pH 8.0 and 40 °C for 8 h, with a conversion rate of 23.15 %.
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Affiliation(s)
- Dawei Ni
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yuhan Wei
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yulei Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Tarek A A Moussa
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Wenli Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China
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2
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Zhang S, Gao YF, Zhang K, Deng GR, He GX, Gao PP, Yu YK, Yuan Y, Xing SJ, Zhao N, Zhang H, Di-Wu YC, Liu YH, Sui BD, Li Z, Ma J, Zheng CX. Integrating network pharmacology and experimental validation reveals therapeutic effects of D-mannose on NAFLD through mTOR suppression. Biochem Biophys Res Commun 2024; 715:149999. [PMID: 38678787 DOI: 10.1016/j.bbrc.2024.149999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 04/16/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD), a chronic liver condition and metabolic disorder, has emerged as a significant health issue worldwide. D-mannose, a natural monosaccharide widely existing in plants and animals, has demonstrated metabolic regulatory properties. However, the effect and mechanism by which D-mannose may counteract NAFLD have not been studied. In this study, network pharmacology followed by molecular docking analysis was utilized to identify potential targets of mannose against NAFLD, and the leptin receptor-deficient, genetically obese db/db mice was employed as an animal model of NAFLD to validate the regulation of D-mannose on core targets. As a result, 67 targets of mannose are predicted associated with NAFLD, which are surprisingly centered on the mechanistic target of rapamycin (mTOR). Further analyses suggest that mTOR signaling is functionally enriched in potential targets of mannose treating NAFLD, and that mannose putatively binds to mTOR as a core mechanism. Expectedly, repeated oral gavage of supraphysiological D-mannose ameliorates liver steatosis of db/db mice, which is based on suppression of hepatic mTOR signaling. Moreover, daily D-mannose administration reduced hepatic expression of lipogenic regulatory genes in counteracting NAFLD. Together, these findings reveal D-mannose as an effective and potential NAFLD therapeutic through mTOR suppression, which holds translational promise.
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Affiliation(s)
- Sha Zhang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Ying-Feng Gao
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Kai Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Guo-Rong Deng
- Department of Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Guang-Xiang He
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; The First Clinical Medical College, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Ping-Ping Gao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Yi-Kang Yu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; School of Basic Medicine, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yuan Yuan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Shu-Juan Xing
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Na Zhao
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Hong Zhang
- Medical Experiment Center, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Yong-Chang Di-Wu
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China
| | - Yi-Han Liu
- Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing, Beijing, 100039, China
| | - Bing-Dong Sui
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
| | - Zhe Li
- The First Clinical Medical College, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, 712046, China.
| | - Jing Ma
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
| | - Chen-Xi Zheng
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
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3
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Plante ER, Ekwunwa C, Maciag MC, Illanes D. Serum sickness-like reaction to D-supplement: a case report. BMC Pediatr 2024; 24:404. [PMID: 38909179 PMCID: PMC11193288 DOI: 10.1186/s12887-024-04753-8] [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: 09/29/2023] [Accepted: 04/10/2024] [Indexed: 06/24/2024] Open
Abstract
BACKGROUND Serum Sickness-Like Reaction (SSLR) is an immune response characterized by rash, polyarthralgias, inflammation, and fever. Serum sickness-like reaction is commonly attributed to antibiotics, anticonvulsants, and anti-inflammatory agents. CASE PRESENTATION A 16-year-old female with a history of overactive bladder and anemia presented with a diffuse urticarial rash, headaches, joint pain, and swelling for three days. Her medications included oral contraceptive pills, iron, mirabegron, UQora, and a probiotic. Physical examination revealed a diffuse urticarial rash, and her musculoskeletal exam revealed swelling and tenderness in her wrists. She was evaluated by her pediatrician and started on a 7-day course of prednisone, as well as antihistamines. Her CBC, basic metabolic panel, liver function panel, Lyme titers, and urinalysis were all within normal limits. With concern for hypersensitivity reaction to medication, all medications were discontinued. Nine days after symptom onset, the patient was evaluated by an allergist, who confirmed her presentation was consistent with serum sickness-like reaction. Her symptoms resolved, and her medications were re-introduced sequentially over several months. Restarting UQora, however, triggered a recurrence of her symptoms, and it was identified as the culprit medication. Consequently, UQora was permanently discontinued, and the patient has remained symptom-free. CONCLUSIONS This case report describes the first documented case of serum sickness-like reaction caused by UQora (active ingredient D-mannose). D-mannose is a monosaccharide, and it is frequently promoted to prevent urinary tract infections. While the clinical features and timeline in this case were typical of serum sickness-like reaction, UQora as the trigger was highly unusual. Clinicians should be aware of the diverse triggers of serum sickness-like reaction and the importance of prompt identification and management to enhance patient safety. Further research is necessary to better understand the potential therapeutic applications of D-mannose, as well as the potential risks and interactions.
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Affiliation(s)
- Emma R Plante
- Department of Gynecology and Urogynecology, Milford Regional Medical Center, 14 Prospect Street, Milford, MA, 01757, USA.
| | - Charles Ekwunwa
- Department of Obstetrics and Gynecology, Tufts University School of Medicine, 800 Washington St, Boston, MA, 02111, USA
| | - Michelle C Maciag
- Asthma and Allergy Affiliates, 114R Highland Ave, Salem, MA, 01970, USA
- Division of Allergy and Immunology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA, 02115, USA
| | - Diego Illanes
- Department of Gynecology and Urogynecology, Milford Regional Medical Center, 14 Prospect Street, Milford, MA, 01757, USA
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4
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Wang Y, Chen E, Wang Y, Sun X, Dong Q, Chen P, Zhang C, Yang J, Sun Y. Biosynthesis of mannose from glucose via constructing phosphorylation-dephosphorylation reactions in Escherichia coli. Enzyme Microb Technol 2024; 177:110427. [PMID: 38518553 DOI: 10.1016/j.enzmictec.2024.110427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/20/2024] [Accepted: 03/13/2024] [Indexed: 03/24/2024]
Abstract
d-mannose has been widely used in food, medicine, cosmetic, and food-additive industries. To date, chemical synthesis or enzymatic conversion approaches based on iso/epimerization reactions for d-mannose production suffered from low conversion rate due to the reaction equilibrium, necessitating intricate separation processes for obtaining pure products on an industrial scale. To circumvent this challenge, this study showcased a new approach for d-mannose synthesis from glucose through constructing a phosphorylation-dephosphorylation pathway in an engineered strain. Specifically, the gene encoding phosphofructokinase (PfkA) in glycolytic pathway was deleted in Escherichia coli to accumulate fructose-6-phosphate (F6P). Additionally, one endogenous phosphatase, YniC, with high specificity to mannose-6-phosphate, was identified. In ΔpfkA strain, a recombinant synthetic pathway based on mannose-6-phosphate isomerase and YniC was developed to direct F6P to mannose. The resulting strain successfully produced 25.2 g/L mannose from glucose with a high conversion rate of 63% after transformation for 48 h. This performance surpassed the 15% conversion rate observed with 2-epimerases. In conclusion, this study presents an efficient method for achieving high-yield mannose synthesis from cost-effective glucose.
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Affiliation(s)
- Yuyao Wang
- Tianjin University of Science and Technology, National Engineering Laboratory for Industrial Enzymes, Tianjin 300457, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Enhui Chen
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanfei Wang
- Tianjin University of Science and Technology, National Engineering Laboratory for Industrial Enzymes, Tianjin 300457, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Xinming Sun
- Tianjin University of Science and Technology, National Engineering Laboratory for Industrial Enzymes, Tianjin 300457, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Qianzhen Dong
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Peng Chen
- Tianjin University of Science and Technology, National Engineering Laboratory for Industrial Enzymes, Tianjin 300457, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Chenglin Zhang
- Tianjin University of Science and Technology, National Engineering Laboratory for Industrial Enzymes, Tianjin 300457, China
| | - Jiangang Yang
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Yuanxia Sun
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China; University of Chinese Academy of Sciences, Beijing 100049, China
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5
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Xiao S, Luo X, Zhang P, Zhang G, Hu X. Characterization of a novel recombinant D-mannose isomerase from Bifidobacterium bifidum and its catalytic mechanism. Enzyme Microb Technol 2024; 173:110355. [PMID: 38041880 DOI: 10.1016/j.enzmictec.2023.110355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 11/06/2023] [Accepted: 11/06/2023] [Indexed: 12/04/2023]
Abstract
Due to the increasing demand for health-conscious and environmentally friendly products, D-mannose has gained significant attention as a natural, low-calorie sweetener. The use of D-mannose isomerases (D-MIases) for D-mannose production has emerged as a prominent area of research, offering superior advantages compared with conventional methods such as plant extraction and chemical synthesis. In this study, a gene encoding D-MIase was cloned from Bifidobacterium and expressed in E. coli BL21 (DE3). The heterologously expressed enzyme, Bifi-mannose, formed a trimer with a molecular weight of 146.3 kDa and a melting temperature (Tm) of 63.39 ± 1.3 °C. Bifi-mannose exhibited optimal catalytic activity at pH 7.5 and 55 °C, and retained more than 80% of its activity after a 3-hour incubation at 55 °C, demonstrating excellent thermal stability. The Km, Vmax, and kcat/Km values of Bifi-mannose for D-fructose isomerization were determined as 538.7 ± 62.5 mM, 11.7 ± 0.9 μmol·mg1·s1, and 1.02 ± 0.3 mM1·s1, respectively. Notably, under optimized conditions, catalytic yields of 29.4, 87.1, and 148.5 mg·mL1 were achieved when using 100, 300, and 500 mg·mL1 of D-fructose as substrates, resulting in a high conversion rate (29%). Furthermore, kinetic parameters and molecular docking studies revealed that His387 residue primarily participates in the opening of the pyranose ring, while His253 acts as a basic catalyst in the isomerization process.
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Affiliation(s)
- Shuang Xiao
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Xiaoqiao Luo
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Peng Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Xing Hu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China.
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6
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Faustino M, Silva S, Costa EM, Pereira AM, Pereira JO, Oliveira AS, Ferreira CMH, Pereira CF, Durão J, Pintado ME, Carvalho AP. Effect of Mannan Oligosaccharides Extracts in Uropathogenic Escherichia coli Adhesion in Human Bladder Cells. Pathogens 2023; 12:885. [PMID: 37513732 PMCID: PMC10384913 DOI: 10.3390/pathogens12070885] [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: 06/02/2023] [Revised: 06/16/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
Urinary tract infections (UTIs) are a common public health problem, mainly caused by uropathogenic Escherichia coli (UPEC). Patients with chronic UTIs are usually treated with long-acting prophylactic antibiotics, which promotes the development of antibiotic-resistant UPEC strains and may complicate their long-term management. D-mannose and extracts rich in D-mannose such as mannan oligosaccharides (MOS; D-mannose oligomers) are promising alternatives to antibiotic prophylaxis due to their ability to inhibit bacterial adhesion to urothelial cells and, therefore, infection. This highlights the therapeutic potential and commercial value of using them as health supplements. Studies on the effect of MOS in UTIs are, however, scarce. Aiming to evaluate the potential benefits of using MOS extracts in UTIs prophylaxis, their ability to inhibit the adhesion of UPEC to urothelial cells and its mechanism of action were assessed. Additionally, the expression levels of the pro-inflammatory marker interleukin 6 (IL-6) were also evaluated. After characterizing their cytotoxic profiles, the preliminary results indicated that MOS extracts have potential to be used for the handling of UTIs and demonstrated that the mechanism through which they inhibit bacterial adhesion is through the competitive inhibition of FimH adhesins through the action of mannose, validated by a bacterial growth impact assessment.
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Affiliation(s)
- Margarida Faustino
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Sara Silva
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Eduardo M Costa
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Ana Margarida Pereira
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- Amyris Bio Products Portugal, Unipessoal Lda, Rua Diogo Botelho, 1327, 4169-005 Porto, Portugal
| | - Joana Odila Pereira
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- Amyris Bio Products Portugal, Unipessoal Lda, Rua Diogo Botelho, 1327, 4169-005 Porto, Portugal
| | - Ana Sofia Oliveira
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Carlos M H Ferreira
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- Amyris Bio Products Portugal, Unipessoal Lda, Rua Diogo Botelho, 1327, 4169-005 Porto, Portugal
| | - Carla F Pereira
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Joana Durão
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- Amyris Bio Products Portugal, Unipessoal Lda, Rua Diogo Botelho, 1327, 4169-005 Porto, Portugal
| | - Manuela E Pintado
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Ana P Carvalho
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
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7
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Shen D, Lu X, Li W, Zou L, Tong Y, Wang L, Rao L, Zhang Y, Hou L, Sun G, Chen L. Identification and characterization of an α-1,3 mannosidase from Elizabethkingia meningoseptica and its potential attenuation impact on allergy associated with cross-reactive carbohydratedeterminant. Biochem Biophys Res Commun 2023; 672:17-26. [PMID: 37331167 DOI: 10.1016/j.bbrc.2023.06.035] [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: 05/28/2023] [Accepted: 06/10/2023] [Indexed: 06/20/2023]
Abstract
Core α-1,3 mannose is structurally near the core xylose and core fucose on core pentasaccharide from plant and insect glycoproteins. Mannosidase is a useful tool for characterization the role of core α-1,3 mannose in the composition of glycan related epitope, especially for those epitopes in which core xylose and core fucose are involved. Through functional genomic analysis, we identified a glycoprotein α-1,3 mannosidase and named it MA3. We used MA3 to treat allergen horseradish peroxidase (HRP) and phospholipase A2 (PLA2) separately. The results showed that after MA3 removed α-1,3 mannose on HRP, the reactivity of HRP with anti-core xylose polyclonal antibody almost disappeared. And the reactivity of MA3-treated PLA2 with anti-core fucose polyclonal antibody decreased partially. In addition, when PLA2 was conducted enzyme digestion by MA3, the reactivity between PLA2 and allergic patients' sera diminished. These results demonstrated that α-1,3 mannose was an critical component of glycan related epitope.
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Affiliation(s)
- Danfeng Shen
- Dept. of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Xinrong Lu
- Dept. of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Wenjie Li
- Clinical Laboratory, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang Province, China
| | - Lin Zou
- Dept. of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Yongliang Tong
- Dept. of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Lei Wang
- Department of Research and Development, SysDiagno Biomedtech, Nanjing, 211800, Jiangsu Province, China
| | - Lin Rao
- Dept. of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Yuxin Zhang
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang Province, China
| | - Linlin Hou
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, 266109, Shandong Province, China.
| | - Guiqin Sun
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang Province, China.
| | - Li Chen
- Dept. of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
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8
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Wu H, Yi M, Wu X, Ding Y, Pu M, Wen L, Cheng Y, Zhang W, Mu W. Engineering the thermostability of d-lyxose isomerase from Caldanaerobius polysaccharolyticus via multiple computer-aided rational design for efficient synthesis of d-mannose. Synth Syst Biotechnol 2023; 8:323-330. [PMID: 37168606 PMCID: PMC10165151 DOI: 10.1016/j.synbio.2023.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/16/2023] [Accepted: 04/17/2023] [Indexed: 05/13/2023] Open
Abstract
d-Mannose is an attractive functional sugar that exhibits many physiological benefits on human health. The demand for low-calorie sugars and sweeteners in foods are increasingly available on the market. Some sugar isomerases, such as d-lyxose isomerase (d-LIase), can achieve an isomerization reaction between d-mannose and d-fructose. However, the weak thermostability of d-LIase limits its efficient conversion from d-fructose to d-mannose. Nonetheless, few studies are available that have investigated the molecular modification of d-LIase to improve its thermal stability. In this study, computer-aided tools including FireProt, PROSS, and Consensus Finder were employed to jointly design d-LIase mutants with improved thermostability for the first time. Finally, the obtained five-point mutant M5 (N21G/E78P/V58Y/C119Y/K170P) showed high thermal stability and catalytic activity. The half-life of M5 at 65 °C was 10.22 fold, and the catalytic efficiency towards 600 g/L of d-fructose was 2.6 times to that of the wild type enzyme, respectively. Molecular dynamics simulation and intramolecular forces analysis revealed a thermostability mechanism of highly rigidity conformation, newly formed hydrogen bonds and π-cation interaction between and within protein domains, and redistributed surface electrostatic charges for the mutant M5. This research provided a promising d-LIase mutant for the industrial production of d-mannose from d-fructose.
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Affiliation(s)
- Hao Wu
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Ming Yi
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Xiaoyi Wu
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Yating Ding
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Minghui Pu
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Li Wen
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Yunhui Cheng
- School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
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9
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Hao HN, Lu QQ, Wang Z, Li YL, Long SR, Dan Liu R, Cui J, Wang ZQ. Mannose facilitates Trichinella spiralis expulsion from the gut and alleviates inflammation of intestines and muscles in mice. Acta Trop 2023; 241:106897. [PMID: 36931335 DOI: 10.1016/j.actatropica.2023.106897] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/25/2022] [Accepted: 03/13/2023] [Indexed: 03/17/2023]
Abstract
Trichinellosis is a major zoonotic parasitosis which is a vital risk to meat food safety. It is requisite to exploit new strategy to interdict food animal Trichinella infection and to obliterate Trichinella from food animals to ensure meat safety. Mannose is an oligosaccharide that specifically binds to the carbohydrate-recognition domain of C-type lectin; it has many physiological functions including reliving inflammation and regulating immune reaction. The purpose of this study was to investigate the suppressive role of mannose on T. spiralis larval invasion and infection, its effect on intestinal and muscle inflammation, and immune responses after challenge. The results showed that compared to the saline-treated infected mice, the mannose-treated infected mice had less intestinal adult and muscle worm burdens, mild inflammation of intestine and muscle of infected mice. The levels of specific anti-Trichinella IgG (IgG1/IgG2a), IgA and sIgA in mannose-treated infected mice were obviously inferior to saline-treated infected mice (P < 0.01). Furthermore, the levels of two cytokines (IFN-γ and IL-4) in mannose-treated infected mice were also significantly lower than the saline-treated infected mice (P < 0.01). The protective effect of the mannose against Trichinella infection might be not related to specific antibody and cellular immune responses. The above results demonstrated that mannose could be considered as a novel adjuvant therapeutic agent for anti-Trichinella drugs to block larval invasion at early stage of Trichinella infection.
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Affiliation(s)
- Hui Nan Hao
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Qi Qi Lu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Zhen Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Yang Li Li
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Shao Rong Long
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Ruo Dan Liu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Jing Cui
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China.
| | - Zhong Quan Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China.
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10
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Qu L, Wang C, Xu H, Li L, Liu Y, Wan Q, Xu K. Atractylodin targets GLA to regulate D-mannose metabolism to inhibit osteogenic differentiation of human valve interstitial cells and ameliorate aortic valve calcification. Phytother Res 2023; 37:477-489. [PMID: 36199227 DOI: 10.1002/ptr.7628] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/22/2022] [Accepted: 09/03/2022] [Indexed: 11/07/2022]
Abstract
Atractylodin (ATL) has been reported to exert anti-inflammatory effects. Osteogenic changes induced by inflammation in valve interstitial cells (VICs) play a key role in the development of calcified aortic valve disease (CAVD). This study aimed to investigate the anti-calcification effects of ATL on aortic valves. Human VICs (hVICs) were exposed to osteogenic induction medium (OM) containing ATL to investigate cell viability, osteogenic gene and protein expression, and anti-calcification effects. Gas chromatography-mass spectroscopy (GC-MS) metabolomics analysis was used to detect changes in the metabolites of hVICs stimulated with OM before and after ATL administration. The compound-reaction-enzyme-gene network was used to identify drug targets. Gene interference was used to verify the targets. ApoE-/- mice fed a high-fat (HF) diet were used to evaluate the inhibition of aortic valve calcification by ATL. Treatment with 20 μM ATL in OM prevented calcified nodule accumulation and decreases in the gene and protein expression levels of ALP, RUNX2, and IL-1β. Differential metabolite analysis showed that D-mannose was highly associated with the anti-calcification effect of ATL. The addition of D-mannose prevented calcified nodule accumulation and inhibited succinate-mediated HIF-1α activation and IL-1β production. The target of ATL was identified as GLA. Silencing of the GLA gene (si-GLA) reversed the anti-osteogenic differentiation of ATL. In vivo, ATL ameliorated aortic valve calcification by preventing decreases in GLA expression and the up-regulation of IL-1β expression synchronously. In conclusion, ATL is a potential drug for the treatment of CAVD by targeting GLA to regulate D-mannose metabolism, thereby inhibiting succinate-mediated HIF-1α activation and IL-1β production.
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Affiliation(s)
- Linghang Qu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Chunli Wang
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Haiying Xu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Lanqing Li
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Yanju Liu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
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11
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Feeding Lactic Acid Bacteria with Different Sugars: Effect on Exopolysaccharides (EPS) Production and Their Molecular Characteristics. Foods 2023; 12:foods12010215. [PMID: 36613431 PMCID: PMC9819028 DOI: 10.3390/foods12010215] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 01/05/2023] Open
Abstract
Exopolysaccharides (EPS) are complex molecules produced by some microorganisms and used in foods as texturizers and stabilizers, their properties depending on their chemical structure. In this work, three different lactic acid bacteria (LAB), were tested for their ability to produce EPS, by using five different mono- and disaccharides as their sole carbon source. The growth and acidifying ability were analysed, the EPSs were quantified by the official method AOAC 991.43, and their chemical structure was investigated. The amount of EPS varied from 0.71 g/L to 2.38 g/L, and maltose was the best sugar for EPS production by Lacticaseibacillus paracasei 2333. Lacticaseibacillus rhamnosus 1019 produced the highest amount when fed with lactose, whereas the EPS amount of Lactobacillus bulgaricus 1932 was not significantly different depending on the sugar type. The EPS chains consisted of fructose, galactose, glucose, mannose, ribose, glucosamine, galactosamine, and in some cases rhamnose in different proportions, depending on the strain and carbon source. The molecular weight of EPS ranged from <10 KDa to >500 KDa and was again highly dependent on the strain and the sugar used, suggesting the possibility of growing different strains under different conditions to obtain EPS with different potential applications in the food system.
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12
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Dhanalakshmi M, Sruthi D, Jinuraj KR, Das K, Dave S, Andal NM, Das J. Mannose: a potential saccharide candidate in disease management. Med Chem Res 2023; 32:391-408. [PMID: 36694836 PMCID: PMC9852811 DOI: 10.1007/s00044-023-03015-z] [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: 11/05/2022] [Accepted: 01/04/2023] [Indexed: 01/21/2023]
Abstract
There are a plethora of antibiotic resistance cases and humans are marching towards another big survival test of evolution along with drastic climate change and infectious diseases. Ever since the first antibiotic [penicillin], and the myriad of vaccines, we were privileged to escape many infectious disease threats. The survival technique of pathogens seems rapidly changing and sometimes mimicking our own systems in such a perfect manner that we are left unarmed against them. Apart from searching for natural alternatives, repurposing existing drugs more effectively is becoming a familiar approach to new therapeutic opportunities. The ingenious use of revolutionary artificial intelligence-enabled drug discovery techniques is coping with the speed of such alterations. D-Mannose is a great hope as a nutraceutical in drug discovery, against CDG, diabetes, obesity, lung disease, and autoimmune diseases and recent findings of anti-tumor activity make it interesting along with its role in drug delivery enhancing techniques. A very unique work done in the present investigation is the collection of data from the ChEMBL database and presenting the targetable proteins on pathogens as well as on humans. It shows Mannose has 50 targets and the majority of them are on human beings. The structure and conformation of certain monosaccharides have a decisive role in receptor pathogen interactions and here we attempt to review the multifaceted roles of Mannose sugar, its targets associated with different diseases, as a natural molecule having many success stories as a drug and future hope for disease management. Graphical abstract
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Affiliation(s)
- M. Dhanalakshmi
- Research and Development Centre, Bharathiar University, Coimbatore, 641046 Tamil Nadu India
| | - D. Sruthi
- Department of Biochemistry, Indian Institute of Science, Bengaluru, 560012 India
| | - K. R. Jinuraj
- OSPF-NIAS Drug Discovery Lab, NIAS, IISc Campus, Bengaluru, 560012 India
| | - Kajari Das
- Department of Biotechnology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar-3, Odisha India
| | - Sushma Dave
- Department of Applied Sciences, JIET, Jodhpur, Rajasthan India
| | - N. Muthulakshmi Andal
- Department of Chemistry, PSGR Krishnammal College for Women, Coimbatore, 641004 Tamil Nadu India
| | - Jayashankar Das
- Valnizen Healthcare, Vile Parle West, Mumbai, 400056 Maharashtra India
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13
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Tian C, Yang J, Liu C, Chen P, Zhang T, Men Y, Ma H, Sun Y, Ma Y. Engineering substrate specificity of HAD phosphatases and multienzyme systems development for the thermodynamic-driven manufacturing sugars. Nat Commun 2022; 13:3582. [PMID: 35739124 PMCID: PMC9226320 DOI: 10.1038/s41467-022-31371-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 06/15/2022] [Indexed: 11/09/2022] Open
Abstract
Naturally, haloacid dehalogenase superfamily phosphatases have been evolved with broad substrate promiscuity; however, strong specificity to a particular substrate is required for developing thermodynamically driven routes for manufacturing sugars. How to alter the intrinsic substrate promiscuity of phosphatases and fit the “one enzyme-one substrate” model remains a challenge. Herein, we report the structure-guided engineering of a phosphatase, and successfully provide variants with tailor-made preference for three widespread phosphorylated sugars, namely, glucose 6-phosphate, fructose 6-phosphate, and mannose 6-phosphate, while simultaneously enhancement in catalytic efficiency. A 12000-fold switch from unfavorite substrate to dedicated one is generated. Molecular dynamics simulations reveal the origin of improved activity and substrate specificity. Furthermore, we develop four coordinated multienzyme systems and accomplish the conversion of inexpensive sucrose and starch to fructose and mannose in excellent yield of 94–96%. This innovative sugar-biosynthesis strategy overcomes the reaction equilibrium of isomerization and provides the promise of high-yield manufacturing of other monosaccharides and polyols. Haloacid dehalogenase-like phosphatases are widespread across all domains of life and play a crucial role in the regulation of levels of sugar phosphate metabolites in cells. The authors report on the structure-guided engineering of phosphatases for dedicated substrate specificity for the conversion of sucrose and starch into fructose and mannose.
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Affiliation(s)
- Chaoyu Tian
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China
| | - Jiangang Yang
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China. .,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China.
| | - Cui Liu
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China
| | - Peng Chen
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China
| | - Tong Zhang
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China
| | - Yan Men
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China
| | - Hongwu Ma
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China. .,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China.
| | - Yuanxia Sun
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China. .,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China.
| | - Yanhe Ma
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.,National Technology Innovation Center of Synthetic Biology, Tianjin, 300308, China
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14
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Nan F, Sun Y, Liang H, Zhou J, Ma X, Zhang D. Mannose: A Sweet Option in the Treatment of Cancer and Inflammation. Front Pharmacol 2022; 13:877543. [PMID: 35645798 PMCID: PMC9136145 DOI: 10.3389/fphar.2022.877543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/29/2022] [Indexed: 11/13/2022] Open
Abstract
As a natural sugar, mannose is a type of hexose that is abundant in many different types of fruits. Since mannose is rarely used for glycolysis in mammals, studies on the role of mannose have not attracted much attention. Glycosylation of specific proteins was thought to be the major function of mannose. Surprisingly, during the past few years, mannose was found to be effective in promoting immune tolerance and suppressing inflammatory diseases related to autoimmunity and allergy. Moreover importantly, mannose was also found to be efficient in suppressing tumors by suppressing glycolysis and enhancing chemotherapeutic agents. In this review, we summarize the recent studies of mannose on antitumor properties and anti-inflammatory characteristics. We emphasize that mannose could play a beneficial role in the treatment of a variety of diseases, including cancers and inflammatory diseases, and could be a novel therapeutic strategy that deserves continued evaluation.
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15
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Peng F, Sun Y, Hua C, Bai F, Ma H, Hu X, Liu X, Zhang M, Wang X. Polymetallic Molybdenum‐Based Catalysts for Epimerization of Glucose to Mannose. ChemistrySelect 2022. [DOI: 10.1002/slct.202103224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Fubin Peng
- School of Textile and Material Engineering Institution Dalian Polytechnic University Dalian 116034 P.R. China
- Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P.R. China
| | - Ying Sun
- Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P.R. China
| | - Chao Hua
- Innovation Academy for Green Manufacture Chinese Academy of Sciences Beijing 100190 P.R. China
- Key Laboratory of Green Process and Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P.R. China
- School of Chemical and Engineering University of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Fang Bai
- Innovation Academy for Green Manufacture Chinese Academy of Sciences Beijing 100190 P.R. China
- Key Laboratory of Green Process and Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P.R. China
- School of Chemical and Engineering University of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Hong Ma
- Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P.R. China
| | - Xiangping Hu
- Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P.R. China
| | - Xin Liu
- Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P.R. China
- University of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Meiyun Zhang
- Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P.R. China
- University of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Xinhong Wang
- School of Textile and Material Engineering Institution Dalian Polytechnic University Dalian 116034 P.R. China
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16
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Lee S, Qin L, Li OL. Reducing sugar production from spent coffee grounds using microbubble-assisted synthesis of silica acid catalyst. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.11.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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17
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Phosphatidylmannoside prevents obesity induced by high-fat feeding. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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18
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Jin Cho E, Gyo Lee Y, Song Y, Nguyen DT, Bae HJ. An integrated process for conversion of spent coffee grounds into value-added materials. BIORESOURCE TECHNOLOGY 2022; 346:126618. [PMID: 34954357 DOI: 10.1016/j.biortech.2021.126618] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Spent coffee grounds (SCG) are inexpensive materials with a complex composition that makes them promising feedstocks for a biorefinery.Here, conversion of SCG into a wide range of high value-added products (coffee oil, bio-ethanol, D-mannose, manno-oligosaccharide (MOS), cafestol and kahweol) using a novel integrated system was evaluated. The process involves oil extraction, MOS production by mannanase obtained from Penicillium purpurogenum, NaOH (Na) and hydrogen peroxide (HP) pretreatment for the degradation of lignin and phenolic compounds, diterpenes extraction, enzymatic hydrolysis, and fermentation, which can be performed using environmentally friendly technologies. Approximately 97 mL of coffee oil, 164 g of D-mannose, 102 g of MOS, 99 g of bioethanol and a dash of cafestol/kahweol were produced from 1 kg of dry SCG. Producing high-value co-products from SCG using an integrated approach as demonstrated here may be an efficient strategy to reduce waste generation, while improving the economics of the biorefinery production process.
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Affiliation(s)
- Eun Jin Cho
- Bio-Energy Research Center, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Yoon Gyo Lee
- Department of Bioenergy Science and Technology, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Younho Song
- Bio-Energy Research Center, Chonnam National University, Gwangju 500-757, Republic of Korea
| | | | - Hyeun-Jong Bae
- Bio-Energy Research Center, Chonnam National University, Gwangju 500-757, Republic of Korea; Department of Bioenergy Science and Technology, Chonnam National University, Gwangju 500-757, Republic of Korea.
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19
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The simultaneous profiling of 14 free monosaccharides in biofluids by a LC-MS/MS method. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1192:123086. [DOI: 10.1016/j.jchromb.2021.123086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 12/07/2021] [Accepted: 12/13/2021] [Indexed: 11/23/2022]
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20
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Zhang Z, Zhou X, Liu J, Zheng Y, Wu Y, Yang W, Yi Y, Liu J, Wang J. d-mannose attenuates lipopolysaccharide-induced osteolysis via CPT1A-Mediated lipid metabolic regulation in macrophages. Biochem Biophys Res Commun 2021; 583:135-141. [PMID: 34735875 DOI: 10.1016/j.bbrc.2021.10.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/08/2021] [Indexed: 02/05/2023]
Abstract
Inflammatory osteolysis is usually linked to the activation of proinflammatory macrophage and the consequent excessive osteoclast formation. Emerging evidence indicates that agents or drugs targeting lipid metabolism in macrophages might be potential in the prevention and treatment of osteolysis. d-mannose, as a natural-existed metabolic regulator, exerts strong effects on attenuating osteopenia and inflammation. However, whether d-mannose is therapeutically effective on osteolysis and whether a metabolic mechanism counts for the effect remain to be addressed. Here, by using an in vivo lipopolysaccharide (LPS)-induced inflammatory osteolysis mouse model as well as an in vitro LPS-induced inflammatory macrophage culture system, we show that d-mannose attenuates inflammatory osteolysis and inhibits excessive osteoclastogenesis by reversing the LPS-induced activation of proinflammatory macrophage. Mechanically, d-mannose recovers LPS-suppressed Cpt1a transcription and promotes lipid metabolism of macrophage. Treatment with etomoxir, an inhibitor of CPT1A, abolishes the effects of d-mannose on LPS-treated macrophage in vitro and eliminates its protection against osteolysis in vivo. Collectively, our results imply that d-mannose attenuates LPS-induced osteolysis by manipulating CPT1A-mediated lipid metabolism in macrophages. Our results disclose the unrecognized utilization of d-mannose as an effective intervention against inflammatory osteolysis and provide evidence to manage inflammatory scenarios by therapeutically targeting lipid metabolism in macrophage.
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Affiliation(s)
- Zhenzhen Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China; Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xueman Zhou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China; Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jiaqi Liu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China; Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yingcheng Zheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China; Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yange Wu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China; Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Wenke Yang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China; Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yating Yi
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jin Liu
- Lab for Aging Research, State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Jun Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
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21
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Wu H, Chen Q, Zhang W, Mu W. Overview of strategies for developing high thermostability industrial enzymes: Discovery, mechanism, modification and challenges. Crit Rev Food Sci Nutr 2021; 63:2057-2073. [PMID: 34445912 DOI: 10.1080/10408398.2021.1970508] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Biocatalysts such as enzymes are environmentally friendly and have substrate specificity, which are preferred in the production of various industrial products. However, the strict reaction conditions in industry including high temperature, organic solvents, strong acids and bases and other harsh environments often destabilize enzymes, and thus substantially compromise their catalytic functions, and greatly restrict their applications in food, pharmaceutical, textile, bio-refining and feed industries. Therefore, developing industrial enzymes with high thermostability becomes very important in industry as thermozymes have more advantages under high temperature. Discovering new thermostable enzymes using genome sequencing, metagenomics and sample isolation from extreme environments, or performing molecular modification of the existing enzymes with poor thermostability using emerging protein engineering technology have become an effective means of obtaining thermozymes. Based on the thermozymes as biocatalytic chips in industry, this review systematically analyzes the ways to discover thermostable enzymes from extreme environment, clarifies various interaction forces that will affect thermal stability of enzymes, and proposes different strategies to improve enzymes' thermostability. Furthermore, latest development in the thermal stability modification of industrial enzymes through rational design strategies is comprehensively introduced from structure-activity relationship point of view. Challenges and future research perspectives are put forward as well.
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Affiliation(s)
- Hao Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Qiuming Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
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22
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Biochemical Properties of a Novel D-Mannose Isomerase from Pseudomonas syringae for D-Mannose Production. Appl Biochem Biotechnol 2021; 193:1482-1495. [PMID: 33484446 DOI: 10.1007/s12010-021-03487-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 01/07/2021] [Indexed: 12/24/2022]
Abstract
D-Mannose isomerase can reversibly catalyze D-fructose to D-mannose which has various beneficial effects. A novel D-mannose isomerase gene (PsMIaseA) from Pseudomonas syringae was cloned and expressed in Escherichia coli. The recombinant D-mannose isomerase (PsMIaseA) showed the highest amino acid sequence homogeneity of 50% with ManI from Thermobifda fusca. PsMIaseA was purified through Ni-NTA chromatography, and its specific activity was 818.6 U mg-1. The optimal pH and temperature of PsMIaseA were pH 7.5 and 45 °C, respectively. The enzyme was stable within a wide pH range from 5.0 to 10.0. It could efficiently convert D-fructose to D-mannose without any metal ions. When PsMIaseA was incubated with 600 g/L D-fructose for 6 h, the space-time yield of D-mannose reached 27.2 g L-1 h-1 with a maximum conversion ratio of 27%. Therefore, the D-mannose isomerase may be suitable for green production of D-mannose.
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Ravikumar Y, Ponpandian LN, Zhang G, Yun J, Qi X. Harnessing -arabinose isomerase for biological production of -tagatose: Recent advances and its applications. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2020.11.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Jin P, Wang Y, Liang Z, Yuan M, Li H, Du Q. Efficient bioconversion of high-concentration d-fructose into d-mannose by a novel N-acyl- d-glucosamine 2-epimerase from Thermobifida halotolerans. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01915a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A novel N-acyl-d-glucosamine 2-epimerase ThMI exhibits high mannose isomerase activity with a maximum bioconversion ratio of 35.8% in 500 g L−1d-fructose. Whole-cell biocatalyst produced 157 g L−1d-mannose from 500 g L−1d-fructose in 60 min.
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Affiliation(s)
- Peng Jin
- College of Agricultural and Food Sciences
- Zhejiang A & F University
- Hangzhou
- China
| | - Yuanyuan Wang
- College of Agricultural and Food Sciences
- Zhejiang A & F University
- Hangzhou
- China
| | - Zhengang Liang
- Technology Center of Haikou Customs District China
- Haikou 570311
- China
| | - Miao Yuan
- College of Agricultural and Food Sciences
- Zhejiang A & F University
- Hangzhou
- China
| | - Hua Li
- Institute of Microbial Engineering
- Henan University
- Kaifeng 475001
- China
| | - Qizhen Du
- College of Agricultural and Food Sciences
- Zhejiang A & F University
- Hangzhou
- China
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Ruchala J, Sibirny AA. Pentose metabolism and conversion to biofuels and high-value chemicals in yeasts. FEMS Microbiol Rev 2020; 45:6034013. [PMID: 33316044 DOI: 10.1093/femsre/fuaa069] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/09/2020] [Indexed: 12/15/2022] Open
Abstract
Pentose sugars are widespread in nature and two of them, D-xylose and L-arabinose belong to the most abundant sugars being the second and third by abundance sugars in dry plant biomass (lignocellulose) and in general on planet. Therefore, it is not surprising that metabolism and bioconversion of these pentoses attract much attention. Several different pathways of D-xylose and L-arabinose catabolism in bacteria and yeasts are known. There are even more common and really ubiquitous though not so abundant pentoses, D-ribose and 2-deoxy-D-ribose, the constituents of all living cells. Thus, ribose metabolism is example of endogenous metabolism whereas metabolism of other pentoses, including xylose and L-arabinose, represents examples of the metabolism of foreign exogenous compounds which normally are not constituents of yeast cells. As a rule, pentose degradation by the wild-type strains of microorganisms does not lead to accumulation of high amounts of valuable substances; however, productive strains have been obtained by random selection and metabolic engineering. There are numerous reviews on xylose and (less) L-arabinose metabolism and conversion to high value substances; however, they mostly are devoted to bacteria or the yeast Saccharomyces cerevisiae. This review is devoted to reviewing pentose metabolism and bioconversion mostly in non-conventional yeasts, which naturally metabolize xylose. Pentose metabolism in the recombinant strains of S. cerevisiae is also considered for comparison. The available data on ribose, xylose, L-arabinose transport, metabolism, regulation of these processes, interaction with glucose catabolism and construction of the productive strains of high-value chemicals or pentose (ribose) itself are described. In addition, genome studies of the natural xylose metabolizing yeasts and available tools for their molecular research are reviewed. Metabolism of other pentoses (2-deoxyribose, D-arabinose, lyxose) is briefly reviewed.
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Affiliation(s)
- Justyna Ruchala
- Department of Microbiology and Molecular Genetics, University of Rzeszow, Zelwerowicza 4, Rzeszow 35-601, Poland.,Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAS of Ukraine, Drahomanov Street, 14/16, Lviv 79005, Ukraine
| | - Andriy A Sibirny
- Department of Microbiology and Molecular Genetics, University of Rzeszow, Zelwerowicza 4, Rzeszow 35-601, Poland.,Department of Molecular Genetics and Biotechnology, Institute of Cell Biology NAS of Ukraine, Drahomanov Street, 14/16, Lviv 79005, Ukraine
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Liu Z, Li Y, Wu J, Chen S. A Novel Pseudomonas geniculata AGE Family Epimerase/Isomerase and Its Application in d-Mannose Synthesis. Foods 2020; 9:E1809. [PMID: 33291324 PMCID: PMC7762179 DOI: 10.3390/foods9121809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/03/2020] [Accepted: 12/03/2020] [Indexed: 11/29/2022] Open
Abstract
d-mannose has exhibited excellent physiological properties in the food, pharmaceutical, and feed industries. Therefore, emerging attention has been applied to enzymatic production of d-mannose due to its advantage over chemical synthesis. The gene age of N-acetyl-d-glucosamine 2-epimerase family epimerase/isomerase (AGEase) derived from Pseudomonas geniculata was amplified, and the recombinant P. geniculata AGEase was characterized. The optimal temperature and pH of P. geniculata AGEase were 60 °C and 7.5, respectively. The Km, kcat, and kcat/Km of P. geniculata AGEase for d-mannose were 49.2 ± 8.5 mM, 476.3 ± 4.0 s-1, and 9.7 ± 0.5 s-1·mM-1, respectively. The recombinant P. geniculata AGEase was classified into the YihS enzyme subfamily in the AGE enzyme family by analyzing its substrate specificity and active center of the three-dimensional (3D) structure. Further studies on the kinetics of different substrates showed that the P. geniculata AGEase belongs to the d-mannose isomerase of the YihS enzyme. The P. geniculata AGEase catalyzed the synthesis of d-mannose with d-fructose as a substrate, and the conversion rate was as high as 39.3% with the d-mannose yield of 78.6 g·L-1 under optimal reaction conditions of 200 g·L-1d-fructose and 2.5 U·mL-1P. geniculata AGEase. This novel P. geniculata AGEase has potential applications in the industrial production of d-mannose.
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Affiliation(s)
- Zhanzhi Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Z.L.); (Y.L.); (J.W.)
- School of Biotechnology and Key Laboratory of Industrial Biotechnology Ministry of Education, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Ying Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Z.L.); (Y.L.); (J.W.)
- School of Biotechnology and Key Laboratory of Industrial Biotechnology Ministry of Education, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Jing Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Z.L.); (Y.L.); (J.W.)
- School of Biotechnology and Key Laboratory of Industrial Biotechnology Ministry of Education, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
| | - Sheng Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China; (Z.L.); (Y.L.); (J.W.)
- School of Biotechnology and Key Laboratory of Industrial Biotechnology Ministry of Education, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, China
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Wu H, Chen M, Guang C, Zhang W, Mu W. Identification of a novel recombinant D-lyxose isomerase from Thermoprotei archaeon with high thermostable, weak-acid and nickel ion dependent properties. Int J Biol Macromol 2020; 164:1267-1274. [PMID: 32750472 DOI: 10.1016/j.ijbiomac.2020.07.222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 07/16/2020] [Accepted: 07/24/2020] [Indexed: 10/23/2022]
Abstract
Recently, production of D-mannose becomes a hotspot owing to it exhibiting many physiological functions on people's health and wide applications in food and pharmaceutical field. The use of biological enzymes to production of D-mannose is of particular receiving considerable concerns due to it possessing many merits over chemical synthesis and plant extraction strategies. D-Lyxose isomerase (D-LIase) plays a pivotal role in preparation of D-mannose from d-fructose through isomerization reaction. Thus, a novel putative D-LIase from thermophiles strain Thermoprotei archaeon which was expressed in E. coli BL21(DE3) was first identified and biochemically characterized. The recombinant D-LIase showed an optimal temperature of 80 and 85 °C and pH of 6.5. It was highly thermostable at 70 °C and 80 °C after incubating for 48 h and 33 h, respectively, with retaining over 50% of the initial activity. A lower concentration of Ni2+ (0.5 mM) could greatly increase the activity by 25-fold, which was rare reported in other D-LIases. It was a dimer structure with melting temperature of 88.3 °C. Under the optimal conditions, 15.8 g L-1 of D-mannose and 33.8 g L-1 of D-xylulose were produced from 80 g L-1 of d-fructose and D-lyxose, respectively. This work provided a promising candidate sugar isomerase T. archaeon D-LIase for the production of D-mannose and D-xylulose.
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Affiliation(s)
- Hao Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ming Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Cuie Guang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China
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Wu H, Chen M, Guang C, Zhang W, Mu W. Characterization of a recombinant D-mannose-producing D-lyxose isomerase from Caldanaerobius polysaccharolyticus. Enzyme Microb Technol 2020; 138:109553. [DOI: 10.1016/j.enzmictec.2020.109553] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/07/2020] [Accepted: 03/10/2020] [Indexed: 11/24/2022]
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Chen M, Wu H, Zhang W, Mu W. Microbial and enzymatic strategies for the production of L-ribose. Appl Microbiol Biotechnol 2020; 104:3321-3329. [PMID: 32088757 DOI: 10.1007/s00253-020-10471-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/09/2020] [Accepted: 02/13/2020] [Indexed: 10/24/2022]
Abstract
L-Ribose is a non-naturally occurring pentose that recently has become known for its potential application in the pharmaceutical industry, as it is an ideal starting material for use in synthesizing L-nucleosides analogues, an important class of antiviral drugs. In the past few decades, the synthesis of L-ribose has been mainly undertaken through the chemical route. However, chemical synthesis of L-ribose is difficult to achieve on an industrial scale. Therefore, the biotechnological production of L-ribose has gained considerable attention, as it exhibits many merits over the chemical approaches. The present review focuses on various biotechnological strategies for the production of L-ribose through microbial biotransformation and enzymatic catalysis, and in particular on an analysis and comparison of the synthetic methods and different enzymes. The physiological functions and applications of L-ribose are also elucidated. In addition, different sugar isomerases involved in the production of L-ribose from a number of sources are discussed in detail with regard to their biochemical properties. Furthermore, analysis of the separation issues of L-ribose from the reaction solution and different purification methods is presented.Key points • l -Arabinose, l -ribulose and ribitol can be used to produce l -ribose by enzymes. • Five enzymes are systematically introduced for production of l -ribose. • Microbial transformation and enzymatic methods are promising for yielding l -ribose.
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Affiliation(s)
- Ming Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Hao Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, Jiangsu, China
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