1
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Chmiel JA, Stuivenberg GA, Al KF, Akouris PP, Razvi H, Burton JP, Bjazevic J. Vitamins as regulators of calcium-containing kidney stones - new perspectives on the role of the gut microbiome. Nat Rev Urol 2023; 20:615-637. [PMID: 37161031 PMCID: PMC10169205 DOI: 10.1038/s41585-023-00768-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/31/2023] [Indexed: 05/11/2023]
Abstract
Calcium-based kidney stone disease is a highly prevalent and morbid condition, with an often complicated and multifactorial aetiology. An abundance of research on the role of specific vitamins (B6, C and D) in stone formation exists, but no consensus has been reached on how these vitamins influence stone disease. As a consequence of emerging research on the role of the gut microbiota in urolithiasis, previous notions on the contribution of these vitamins to urolithiasis are being reconsidered in the field, and investigation into previously overlooked vitamins (A, E and K) was expanded. Understanding how the microbiota influences host vitamin regulation could help to determine the role of vitamins in stone disease.
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Affiliation(s)
- John A Chmiel
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Gerrit A Stuivenberg
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Kait F Al
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Polycronis P Akouris
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Hassan Razvi
- Division of Urology, Department of Surgery, Western University, London, Ontario, Canada
| | - Jeremy P Burton
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
- Division of Urology, Department of Surgery, Western University, London, Ontario, Canada
| | - Jennifer Bjazevic
- Division of Urology, Department of Surgery, Western University, London, Ontario, Canada.
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2
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Davison PA, Tu W, Xu J, Della Valle S, Thompson IP, Hunter CN, Huang WE. Engineering a Rhodopsin-Based Photo-Electrosynthetic System in Bacteria for CO 2 Fixation. ACS Synth Biol 2022; 11:3805-3816. [PMID: 36264158 PMCID: PMC9680020 DOI: 10.1021/acssynbio.2c00397] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A key goal of synthetic biology is to engineer organisms that can use solar energy to convert CO2 to biomass, chemicals, and fuels. We engineered a light-dependent electron transfer chain by integrating rhodopsin and an electron donor to form a closed redox loop, which drives rhodopsin-dependent CO2 fixation. A light-driven proton pump comprising Gloeobacter rhodopsin (GR) and its cofactor retinal have been assembled in Ralstonia eutropha (Cupriavidus necator) H16. In the presence of light, this strain fixed inorganic carbon (or bicarbonate) leading to 20% growth enhancement, when formate was used as an electron donor. We found that an electrode from a solar panel can replace organic compounds to serve as the electron donor, mediated by the electron shuttle molecule riboflavin. In this new autotrophic and photo-electrosynthetic system, GR is augmented by an external photocell for reductive CO2 fixation. We demonstrated that this hybrid photo-electrosynthetic pathway can drive the engineered R. eutropha strain to grow using CO2 as the sole carbon source. In this system, a bioreactor with only two inputs, light and CO2, enables the R. eutropha strain to perform a rhodopsin-dependent autotrophic growth. Light energy alone, supplied by a solar panel, can drive the conversion of CO2 into biomass with a maximum electron transfer efficiency of 20%.
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Affiliation(s)
- Paul A. Davison
- Plants,
Photosynthesis and Soil, School of Biosciences, University of Sheffield, SheffieldS10 2TN, United Kingdom
| | - Weiming Tu
- Department
of Engineering Science, University of Oxford, OxfordOX1 3PJ, United Kingdom
| | - Jiabao Xu
- Department
of Engineering Science, University of Oxford, OxfordOX1 3PJ, United Kingdom
| | - Simona Della Valle
- Department
of Engineering Science, University of Oxford, OxfordOX1 3PJ, United Kingdom
| | - Ian P. Thompson
- Department
of Engineering Science, University of Oxford, OxfordOX1 3PJ, United Kingdom
| | - C. Neil Hunter
- Plants,
Photosynthesis and Soil, School of Biosciences, University of Sheffield, SheffieldS10 2TN, United Kingdom
| | - Wei E. Huang
- Department
of Engineering Science, University of Oxford, OxfordOX1 3PJ, United Kingdom,. Tel: +44 1865 283786
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3
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Shin KC, Seo MJ, Kim YS, Yeom SJ. Molecular Properties of β-Carotene Oxygenases and Their Potential in Industrial Production of Vitamin A and Its Derivatives. Antioxidants (Basel) 2022; 11:1180. [PMID: 35740077 PMCID: PMC9227343 DOI: 10.3390/antiox11061180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 11/16/2022] Open
Abstract
β-Carotene 15,15'-oxygenase (BCO1) and β-carotene 9',10'-oxygenase (BCO2) are potential producers of vitamin A derivatives, since they can catalyze the oxidative cleavage of dietary provitamin A carotenoids to retinoids and derivative such as apocarotenal. Retinoids are a class of chemical compounds that are vitamers of vitamin A or are chemically related to it, and are essential nutrients for humans and highly valuable in the food and cosmetics industries. β-carotene oxygenases (BCOs) from various organisms have been overexpressed in heterogeneous bacteria, such as Escherichia coli, and their biochemical properties have been studied. For the industrial production of retinal, there is a need for increased production of a retinal producer and biosynthesis of retinal using biocatalyst systems improved by enzyme engineering. The current review aims to discuss BCOs from animal, plants, and bacteria, and to elaborate on the recent progress in our understanding of their functions, biochemical properties, substrate specificity, and enzyme activities with respect to the production of retinoids in whole-cell conditions. Moreover, we specifically propose ways to integrate BCOs into retinal biosynthetic bacterial systems to improve the performance of retinal production.
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Affiliation(s)
- Kyung-Chul Shin
- Department of Integrative Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea;
| | - Min-Ju Seo
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Korea
| | - Yeong-Su Kim
- Wild Plants Industrialization Research Division, Baekdudaegan National Arboretum, Bonghwa 36209, Korea
| | - Soo-Jin Yeom
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Korea
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4
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Long Z, Zhao Y, Xue Y, Wang M, Li J, Su Z, Sun J, Liu Q, Liu H, Mao D, Wei T. A novel thermophilic β-carotene 15,15'-monooxygenase with broad substrate specificity from the marine bacterium Candidatus Pelagibacter sp. HTCC7211. Biotechnol Lett 2021; 43:2233-2241. [PMID: 34618272 DOI: 10.1007/s10529-021-03188-w] [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: 06/09/2021] [Accepted: 09/13/2021] [Indexed: 10/20/2022]
Abstract
To characterize a novel thermophilic β-carotene 15,15'-monooxygenase BCMO7211 isolated from the marine bacterium Candidatus Pelagibacter sp. HTCC7211. BCMO7211 was functionally overexpressed in Escherichia coli and purified to homogeneity by Ni-NTA affinity chromatography and Superdex-200 gel filtration chromatography. Labeling experiments with H218O demonstrated that the oxygen atom in the terminal aldehyde group of the produced retinal molecules was provided from both molecular oxygen and water, indicating that BCMO7211 is the first characterized bacterial β-carotene 15,15'-monooxygenase. BCMO7211 exhibited broad carotenoid substrate specificity toward α-carotene, β-cryptoxanthin, β-carotene, zeaxanthin, and lutein. The optimum temperature, pH, and concentrations of the substrate and enzyme for retinal production were 60 °C, 9.0, 500 mg β-carotene/L, and 2.5 U/ml, respectively. Under optimum conditions, 888.3 mg/L retinal was produced in 60 min with a conversion rate of 89.0% (w/w). BCMO7211 is a potential candidate for the enzymatic synthesis of retinal in biotechnological applications.
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Affiliation(s)
- Zhangde Long
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China.,School of Food and Biological Engineering, Zhengzhou University of Light Industry, 5 Dongfeng Rd, Zhengzhou, 450002, China
| | - Yuzhe Zhao
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, 5 Dongfeng Rd, Zhengzhou, 450002, China
| | - Yun Xue
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China.,School of Food and Biological Engineering, Zhengzhou University of Light Industry, 5 Dongfeng Rd, Zhengzhou, 450002, China
| | - Min Wang
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, 5 Dongfeng Rd, Zhengzhou, 450002, China
| | - Jigang Li
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China
| | - Zan Su
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China
| | - Jiansheng Sun
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China
| | - Qibin Liu
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China
| | - Hong Liu
- China Tobacco Guangxi Industrial Co., Ltd., Nanning, 530001, China
| | - Duobin Mao
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, 5 Dongfeng Rd, Zhengzhou, 450002, China
| | - Tao Wei
- School of Food and Biological Engineering, Zhengzhou University of Light Industry, 5 Dongfeng Rd, Zhengzhou, 450002, China.
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5
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Liang MH, He YJ, Liu DM, Jiang JG. Regulation of carotenoid degradation and production of apocarotenoids in natural and engineered organisms. Crit Rev Biotechnol 2021; 41:513-534. [PMID: 33541157 DOI: 10.1080/07388551.2021.1873242] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Carotenoids are important precursors of a wide range of apocarotenoids with their functions including: hormones, pigments, retinoids, volatiles, and signals, which can be used in the food, flavors, fragrances, cosmetics, and pharmaceutical industries. This article focuses on the formation of these multifaceted apocarotenoids and their diverse biological roles in all living systems. Carotenoid degradation pathways include: enzymatic oxidation by specific carotenoid cleavage oxygenases (CCOs) or nonspecific enzymes such as lipoxygenases and peroxidases and non-enzymatic oxidation by reactive oxygen species. Recent advances in the regulation of carotenoid cleavage genes and the biotechnological production of multiple apocarotenoids are also covered. It is suggested that different developmental stages and environmental stresses can influence both the expression of carotenoid cleavage genes and the formation of apocarotenoids at multiple levels of regulation including: transcriptional, transcription factors, posttranscriptional, posttranslational, and epigenetic modification. Regarding the biotechnological production of apocarotenoids especially: crocins, retinoids, and ionones, enzymatic biocatalysis and metabolically engineered microorganisms have been a promising alternative route. New substrates, carotenoid cleavage enzymes, biosynthetic pathways for apocarotenoids, and new biological functions of apocarotenoids will be discussed with the improvement of our understanding of apocarotenoid biology, biochemistry, function, and formation from different organisms.
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Affiliation(s)
- Ming-Hua Liang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Yu-Jing He
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Dong-Mei Liu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Jian-Guo Jiang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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6
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Birolli WG, Lima RN, Porto ALM. Applications of Marine-Derived Microorganisms and Their Enzymes in Biocatalysis and Biotransformation, the Underexplored Potentials. Front Microbiol 2019; 10:1453. [PMID: 31481935 PMCID: PMC6710449 DOI: 10.3389/fmicb.2019.01453] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 06/11/2019] [Indexed: 12/19/2022] Open
Abstract
Biodiversity has been explored in the search for novel enzymes, including forests, savannas, tundras, deserts, and finally the sea. Marine microorganisms and their enzymes are capable of being active in high-salt concentration, large range of temperature, and high incidence of light and pressure, constituting an important source of unique biocatalysts. This review presents studies employing whole-cell processes of marine bacteria and fungi, aiming for new catalysts for different reactions in organic synthesis, such as reduction, oxidation, hydroxylation, hydrolysis, elimination, and conjugation. Genomics and protein engineering studies were also approached, and reactions employing isolated enzymes from different classes (oxidoreductases, hydrolases, lyases, and ligases) were described and summarized. Future biotechnological studies and process development should focus on molecular biology for the obtention of enzymes with interesting, fascinating and enhanced properties, starting from the exploration of microorganisms from the marine environment. This review approaches the literature about the use of marine-derived bacteria, fungi, and their enzymes for biocatalytic reactions of organic compounds, promoting a discussion about the possibilities of these microorganisms in the synthesis of different substances.
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Affiliation(s)
- Willian G Birolli
- Laboratory of Organic Chemistry and Biocatalysis, São Carlos Institute of Chemistry, University of São Paulo, São Carlos, Brazil.,Center of Exact Sciences and Technology, Department of Chemistry, Federal University of São Carlos, São Carlos, Brazil
| | - Rafaely N Lima
- Laboratory of Organic Chemistry and Biocatalysis, São Carlos Institute of Chemistry, University of São Paulo, São Carlos, Brazil.,Center of Exact Sciences and Technology, Department of Chemistry, Federal University of São Carlos, São Carlos, Brazil
| | - André L M Porto
- Laboratory of Organic Chemistry and Biocatalysis, São Carlos Institute of Chemistry, University of São Paulo, São Carlos, Brazil
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7
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Molecular cloning, expression pattern of β-carotene 15,15-dioxygenase gene and association analysis with total carotenoid content in pearl oyster Pinctada fucata martensii. Comp Biochem Physiol B Biochem Mol Biol 2018; 229:34-41. [PMID: 30502389 DOI: 10.1016/j.cbpb.2018.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/13/2018] [Accepted: 11/22/2018] [Indexed: 12/16/2022]
Abstract
β-carotene-15,15-dioxygenase is an enzyme involved in carotenoid metabolism to catalyze oxidative cleavage of β-carotene at its central double bond to two molecules of retinal in intestinal cells of vertebrate. In this study, we cloned and characterized β-carotene-15,15-dioxygenase in pearl oyster Pinctada fucata martensii (PmβCDOX). The full length of PmβCDOX gene was 1802 bp, including 1554 bp of the open reading frame (ORF) that encoded 517 amino acids, a 5'UTR of 134 bp and a 3' UTR of 114 bp. PmβCDOX was expressed at various tissues with highest level in hepatopancreas. Eighteen and fifteen single nucleotide polymorphisms (SNPs) were separately obtained in the exon and promoter of PmβCDOX. Eight SNPs (six SNPs in the exon and two SNPs in the promoter region) were significantly associated to total carotenoid content (TCC) (P < .05). The eight SNPs of significantly associated TCC were divided three haploblocks. Haplotypes CCTT had larger TCC than other haplotypes. The present results suggest that PmβCDOX is involved in carotenoid metabolism in pearl oyster. Our study will be helpful for development gene marker in selective breeding programs for TCC trait of the species.
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8
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Yu D, Zhang R, Wang Y, Zou D, Li T, Tang H, Jiang L, Wang L. Purification of β-carotene 15,15′-monooxygenase from pig intestine and its enzymatic hydrolysis of pigment in soybean oil. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.13960] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dianyu Yu
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Ruchun Zhang
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Yuqi Wang
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Dezhi Zou
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Tingting Li
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Honglin Tang
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Lianzhou Jiang
- College of Food Science and Technology; Northeast Agricultural University; Harbin 150030 China
| | - Liqi Wang
- School of Computer and Information Engineering; Harbin University of Commerce; Harbin 150028 China
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9
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Dong J, Fernández‐Fueyo E, Hollmann F, Paul CE, Pesic M, Schmidt S, Wang Y, Younes S, Zhang W. Biocatalytic Oxidation Reactions: A Chemist's Perspective. Angew Chem Int Ed Engl 2018; 57:9238-9261. [PMID: 29573076 PMCID: PMC6099261 DOI: 10.1002/anie.201800343] [Citation(s) in RCA: 276] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Indexed: 01/25/2023]
Abstract
Oxidation chemistry using enzymes is approaching maturity and practical applicability in organic synthesis. Oxidoreductases (enzymes catalysing redox reactions) enable chemists to perform highly selective and efficient transformations ranging from simple alcohol oxidations to stereoselective halogenations of non-activated C-H bonds. For many of these reactions, no "classical" chemical counterpart is known. Hence oxidoreductases open up shorter synthesis routes based on a more direct access to the target products. The generally very mild reaction conditions may also reduce the environmental impact of biocatalytic reactions compared to classical counterparts. In this Review, we critically summarise the most important recent developments in the field of biocatalytic oxidation chemistry and identify the most pressing bottlenecks as well as promising solutions.
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Affiliation(s)
- JiaJia Dong
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Elena Fernández‐Fueyo
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Frank Hollmann
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Caroline E. Paul
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Milja Pesic
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Sandy Schmidt
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Yonghua Wang
- School of Food Science and EngineeringSouth China University of TechnologyGuangzhou510640P. R. China
| | - Sabry Younes
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Wuyuan Zhang
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
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10
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Dong J, Fernández-Fueyo E, Hollmann F, Paul CE, Pesic M, Schmidt S, Wang Y, Younes S, Zhang W. Biokatalytische Oxidationsreaktionen - aus der Sicht eines Chemikers. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800343] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- JiaJia Dong
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Elena Fernández-Fueyo
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Frank Hollmann
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Caroline E. Paul
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Milja Pesic
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Sandy Schmidt
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Yonghua Wang
- School of Food Science and Engineering; South China University of Technology; Guangzhou 510640 P. R. China
| | - Sabry Younes
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Wuyuan Zhang
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
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Alternative Biotransformation of Retinal to Retinoic Acid or Retinol by an Aldehyde Dehydrogenase from Bacillus cereus. Appl Environ Microbiol 2016; 82:3940-3946. [PMID: 27107124 DOI: 10.1128/aem.00848-16] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 04/17/2016] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED A novel bacterial aldehyde dehydrogenase (ALDH) that converts retinal to retinoic acid was first identified in Bacillus cereus The amino acid sequence of ALDH from B. cereus (BcALDH) was more closely related to mammalian ALDHs than to bacterial ALDHs. This enzyme converted not only small aldehydes to carboxylic acids but also the large aldehyde all-trans-retinal to all-trans-retinoic acid with NAD(P)(+) We newly found that BcALDH and human ALDH (ALDH1A1) could reduce all-trans-retinal to all-trans-retinol with NADPH. The catalytic residues in BcALDH were Glu266 and Cys300, and the cofactor-binding residues were Glu194 and Glu457. The E266A and C300A variants showed no oxidation activity. The E194S and E457V variants showed 15- and 7.5-fold higher catalytic efficiency (kcat/Km) for the reduction of all-trans-retinal than the wild-type enzyme, respectively. The wild-type, E194S variant, and E457V variant enzymes with NAD(+) converted 400 μM all-trans-retinal to 210 μM all-trans-retinoic acid at the same amount for 240 min, while with NADPH, they converted 400 μM all-trans-retinal to 20, 90, and 40 μM all-trans-retinol, respectively. These results indicate that BcALDH and its variants are efficient biocatalysts not only in the conversion of retinal to retinoic acid but also in its conversion to retinol with a cofactor switch and that retinol production can be increased by the variant enzymes. Therefore, BcALDH is a novel bacterial enzyme for the alternative production of retinoic acid and retinol. IMPORTANCE Although mammalian ALDHs have catalyzed the conversion of retinal to retinoic acid with NAD(P)(+) as a cofactor, a bacterial ALDH involved in the conversion is first characterized. The biotransformation of all-trans-retinal to all-trans-retinoic acid by BcALDH and human ALDH was altered to the biotransformation to all-trans-retinol by a cofactor switch using NADPH. Moreover, the production of all-trans-retinal to all-trans-retinol was changed by mutations at positions 194 and 457 in BcALDH. The alternative biotransformation of retinoids was first performed in the present study. These results will contribute to the biotechnological production of retinoids, including retinoic acid and retinol.
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Hong SH, Kim KR, Oh DK. Biochemical properties of retinoid-converting enzymes and biotechnological production of retinoids. Appl Microbiol Biotechnol 2015; 99:7813-26. [DOI: 10.1007/s00253-015-6830-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 07/06/2015] [Accepted: 07/08/2015] [Indexed: 10/23/2022]
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13
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Characterization of alcohol dehydrogenase from Kangiella koreensis and its application to production of all-trans-retinol. Biotechnol Lett 2014; 37:849-56. [PMID: 25481533 DOI: 10.1007/s10529-014-1740-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 11/26/2014] [Indexed: 10/24/2022]
Abstract
A recombinant alcohol dehydrogenase (ADH) from Kangiella koreensis was purified as a 40 kDa dimer with a specific activity of 21.3 nmol min(-1) mg(-1), a K m of 1.8 μM, and a k cat of 1.7 min(-1) for all-trans-retinal using NADH as cofactor. The enzyme showed activity for all-trans-retinol using NAD (+) as a cofactor. The reaction conditions for all-trans-retinol production were optimal at pH 6.5 and 60 °C, 2 g enzyme l(-1), and 2,200 mg all-trans-retinal l(-1) in the presence of 5% (v/v) methanol, 1% (w/v) hydroquinone, and 10 mM NADH. Under optimized conditions, the ADH produced 600 mg all-trans-retinol l(-1) after 3 h, with a conversion yield of 27.3% (w/w) and a productivity of 200 mg l(-1) h(-1). This is the first report of the characterization of a bacterial ADH for all-trans-retinal and the biotechnological production of all-trans-retinol using ADH.
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14
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Hong SH, Nam HK, Kim KR, Kim SW, Oh DK. Molecular characterization of an aldo-keto reductase from Marivirga tractuosa that converts retinal to retinol. J Biotechnol 2014; 169:23-33. [DOI: 10.1016/j.jbiotec.2013.11.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 10/10/2013] [Accepted: 11/11/2013] [Indexed: 01/20/2023]
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15
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Rajagopalan A, Lara M, Kroutil W. Oxidative Alkene Cleavage by Chemical and Enzymatic Methods. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300882] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Maeda I, Inaba A, Koike H, Yoneyama K, Ueda S, Yoshida K. Acyclic carotenoid and cyclic apocarotenoid cleavage by an orthologue of lignostilbene-α,β-dioxygenase in Rhodopseudomonas palustris. ACTA ACUST UNITED AC 2013; 154:449-54. [DOI: 10.1093/jb/mvt075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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17
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Enhancement of retinal production by supplementing the surfactant Span 80 using metabolically engineered Escherichia coli. J Biosci Bioeng 2012; 113:461-6. [DOI: 10.1016/j.jbiosc.2011.11.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Revised: 10/20/2011] [Accepted: 11/17/2011] [Indexed: 11/19/2022]
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Production of β-apo-10′-carotenal from β-carotene by human β-carotene-9′,10′-oxygenase expressed in E. coli. Biotechnol Lett 2011; 33:1195-200. [DOI: 10.1007/s10529-011-0556-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2011] [Accepted: 01/28/2011] [Indexed: 11/26/2022]
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Kim YS, Oh DK. Biotransformation of carotenoids to retinal by carotenoid 15,15'-oxygenase. Appl Microbiol Biotechnol 2010; 88:807-16. [PMID: 20717662 DOI: 10.1007/s00253-010-2823-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2010] [Revised: 08/03/2010] [Accepted: 08/03/2010] [Indexed: 12/01/2022]
Abstract
Retinal, a precursor of vitamin A, has been used in foods, cosmetics, pharmaceuticals, nutraceuticals, and animal feed additives. Carotenoid 15,15'-oxygenases, including β-carotene 15,15'-oxygenases from mammalians, chickens, fruit flies, zebrafishes, the uncultured marine bacterium, and the fungus Fusarium fujikuroi, and apo-carotenoid 15,15'-oxygenases from cyanobacteria produce retinal from carotenoids. In this article, the biochemical properties, reaction mechanism, and substrate specificity of carotenoid oxygenases are reviewed, along with a description of the enzymatic biotransformation of carotenoids to retinal. Retinal producing methods using metabolically engineered cells and uncharacterized proteins are suggested.
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Affiliation(s)
- Yeong-Su Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 143-701, Republic of Korea
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