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Yang H, Guo J, Zhang L, Shen W, Xia Y, Chen X. Systematic metabolic engineering for improved synthesis of perillic acid in Candida tropicalis. Appl Microbiol Biotechnol 2024; 108:447. [PMID: 39190181 DOI: 10.1007/s00253-024-13279-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 08/04/2024] [Accepted: 08/08/2024] [Indexed: 08/28/2024]
Abstract
Perillic acid has been studied as an anticancer and antimicrobial drug. Production of perillic acid has attracted considerable attention. Meanwhile, Candida tropicalis is an unconventional diploid yeast, most significantly characterized by its ability to metabolize alkanes or fatty acids for growth and proliferation. Therefore, perillic acid's precursor (L-limonene) in C. tropicalis was firstly synthesized by expressing a Mentha spicata L-limonene synthase gene, LS_Ms in this work. Expression of a gene which encoded for a truncated version of tLS_Ms increased the production of L-limonene with a 2.78-fold increase in the titer over C. tropicalis GJR-LS-01. Compartmentalized expression of the gene tLS_Ms inhibited the production of L-limonene in C. tropicalis compared to cytoplasmic expression. Cytoplasmic overexpression of seven precursor synthesis genes significantly enhanced the production of L-limonene in C. tropicalis compared to their compartmentalized expression (mitochondria or peroxisomes), which increased by 31.7-fold in C. tropicalis GJR-tLS-01. The L-limonene titer in C. tropicalis GJR-EW-tLS-04 overexpressing the mutant gene ERG20WW in the cytoplasm was significantly increased, 11.33-fold higher than the control. The titer of L-limonene for 60 g/L glucose was increased by 1.40-fold compared to the control. Finally, a Salvia miltiorrhiza cytochrome P450 enzyme gene CYP7176 and an Arabidopsis thaliana NADPH cytochrome P450 reductase gene CPR were heterologously expressed in C. tropicalis GJR-EW-tLS-04C for the synthesis of perillic acid, which reached a titer of 106.69 mg/L in a 5-L fermenter. This is the first report of de novo synthesis of perillic acid in engineered microorganisms. The results also showed that other chemicals may be efficiently produced in C. tropicalis. KEY POINTS: • Key genes cytoplasmic expression was conducive to L-limonene production in C. tropicalis. • Perillic acid was first synthesized de novo in engineered microorganisms. • The titer of perillic acid reached 106.69 mg/L in a 5-L fermenter.
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Affiliation(s)
- Haiquan Yang
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Jinrong Guo
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Lihua Zhang
- College of Life Science, Xinyang Normal University, Xinyang, 464000, China
| | - Wei Shen
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Yuanyuan Xia
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Xianzhong Chen
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China.
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Cancellieri MC, Nobbio C, Gatti FG, Brenna E, Parmeggiani F. Applications of biocatalytic CC bond reductions in the synthesis of flavours and fragrances. J Biotechnol 2024; 390:13-27. [PMID: 38761886 DOI: 10.1016/j.jbiotec.2024.05.006] [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: 02/29/2024] [Revised: 05/09/2024] [Accepted: 05/10/2024] [Indexed: 05/20/2024]
Abstract
Industrial biotechnology and biocatalysis can provide very effective synthetic tools to increase the sustainability of the production of fine chemicals, especially flavour and fragrance (F&F) ingredients, the market demand of which has been constantly increasing in the last years. One of the most important transformations in F&F chemistry is the reduction of CC bonds, typically carried out with metal-catalysed hydrogenations or hydride-based reagents. Its biocatalytic counterpart is a competitive alternative, showcasing a range of advantages such as excellent chemo-, regio- and stereoselectivity, ease of implementation, mild reaction conditions and modest environmental impact. In the present review, the application of biocatalysed alkene reductions (from microbial fermentations with wild-type strains to engineered isolated ene-reductase enzymes) to synthetic processes useful for the F&F industry will be described, highlighting not only the exquisite stereoselectivity achieved, but also the overall improvement when chirality is not involved. Multi-enzymatic cascades involving CC bioreductions are also examined, which allow much greater chemical complexity to be built in one-pot biocatalytic systems.
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Affiliation(s)
- Maria C Cancellieri
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy
| | - Celeste Nobbio
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy
| | - Francesco G Gatti
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy
| | - Elisabetta Brenna
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy.
| | - Fabio Parmeggiani
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano 20133, Italy.
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Gröger H, Horino S, Kanomata K, Akai S. Strategies to Design Chemocatalytic Racemization of Tertiary Alcohols: State of the Art & Utilization for Dynamic Kinetic Resolution. Chemistry 2024; 30:e202304028. [PMID: 38580616 DOI: 10.1002/chem.202304028] [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: 12/03/2023] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/07/2024]
Abstract
The synthesis of enantiomerically pure tertiary alcohols is an important issue in organic synthesis of a range of pharmaceuticals including molecules such as the anti-HIV drug Efavirenz. A conceptually elegant approach to such enantiomers is the dynamic kinetic resolution of racemic tertiary alcohols, which, however, requires efficient racemization strategies. The racemization of tertiary alcohols is particularly challenging due to various side reactions that can occur because of their high tendency for elimination reactions. In the last few years, several complementary catalytic concepts for racemization of tertiary alcohols have been developed, characterized by efficient racemization and suppression of unwanted side-reactions. Besides resins bearing sulfonic acid moieties and a combination of boronic acid and oxalic acid as heterogeneous and homogeneous Brønsted-acids, respectively, immobilized oxovanadium and piperidine turned out to be useful catalysts. The latter two catalysts, which have already been applied to different types of substrates, also have proven good compatibility with lipase, thus leading to the first two examples of chemoenzymatic dynamic kinetic resolution of tertiary alcohols. In this review, the difficulties in racemizing tertiary alcohols are specifically described, and the recently developed complementary concepts to overcome these hurdles are summarized.
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Affiliation(s)
- Harald Gröger
- Chair of Industrial Organic Chemistry and Biotechnology, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615, Bielefeld, Germany
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Satoshi Horino
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kyohei Kanomata
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shuji Akai
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6, Yamadaoka, Suita, Osaka, 565-0871, Japan
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Soares-Castro P, Soares F, Reis F, Lino-Neto T, Santos PM. Bioprospection of the bacterial β-myrcene-biotransforming trait in the rhizosphere. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12650-w. [PMID: 37405434 PMCID: PMC10386936 DOI: 10.1007/s00253-023-12650-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/06/2023] [Accepted: 06/16/2023] [Indexed: 07/06/2023]
Abstract
The biocatalysis of β-myrcene into value-added compounds, with enhanced organoleptic/therapeutic properties, may be performed by resorting to specialized enzymatic machinery of β-myrcene-biotransforming bacteria. Few β-myrcene-biotransforming bacteria have been studied, limiting the diversity of genetic modules/catabolic pathways available for biotechnological research. In our model Pseudomonas sp. strain M1, the β-myrcene catabolic core-code was identified in a 28-kb genomic island (GI). The lack of close homologs of this β-myrcene-associated genetic code prompted a bioprospection of cork oak and eucalyptus rhizospheres, from 4 geographic locations in Portugal, to evaluate the environmental diversity and dissemination of the β-myrcene-biotransforming genetic trait (Myr+). Soil microbiomes were enriched in β-myrcene-supplemented cultures, from which β-myrcene-biotransforming bacteria were isolated, belonging to Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, and Sphingobacteriia classes. From a panel of representative Myr+ isolates that included 7 bacterial genera, the production of β-myrcene derivatives previously reported in strain M1 was detected in Pseudomonas spp., Cupriavidus sp., Sphingobacterium sp., and Variovorax sp. A comparative genomics analysis against the genome of strain M1 found the M1-GI code in 11 new Pseudomonas genomes. Full nucleotide conservation of the β-myrcene core-code was observed throughout a 76-kb locus in strain M1 and all 11 Pseudomonas spp., resembling the structure of an integrative and conjugative element (ICE), despite being isolated from different niches. Furthermore, the characterization of isolates not harboring the Myr+-related 76-kb locus suggested that they may biotransform β-myrcene via alternative catabolic loci, being thereby a novel source of enzymes and biomolecule catalogue for biotechnological exploitation. KEY POINTS: • The isolation of 150 Myr+ bacteria hints the ubiquity of such trait in the rhizosphere. • The Myr+ trait is spread across different bacterial taxonomic classes. • The core-code for the Myr+ trait was detected in a novel ICE, only found in Pseudomonas spp.
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Affiliation(s)
- Pedro Soares-Castro
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, Braga, Portugal
- Faculdade de Medicina, Instituto de Medicina Molecular, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisbon, Portugal
| | - Filipa Soares
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Francisca Reis
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Teresa Lino-Neto
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Pedro M Santos
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, Braga, Portugal.
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5
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Brescia FF, Koch M, Wende RC, Schreiner PR, Zorn H, Fraatz MA. Structure Elucidation of Aroma-Active Bicyclic Benzofuran Derivatives Formed by Cystostereum murrayi. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:7744-7751. [PMID: 37172111 DOI: 10.1021/acs.jafc.3c01807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Among the monoterpenoid aroma compounds formed by the basidiomycete Cystostereum murrayi are highly potent bicyclic benzofuran derivatives. In addition to the dill ethers previously described in a few fungi, two stereoisomers of the rare 3,6-dimethyl-3a,4,5,6,7,7a-hexahydro-3H-1-benzofuran-2-one (1a and 2c), also known as dihydromenthofurolactones, and a C3-unsaturated analogue (3a) are formed by C. murrayi. The analysis of synthesized reference standards of the lactones allowed an unambiguous assignment of the stereoisomers formed by the fungus. Despite a similar structure, two key differences in the stereochemistry of the lactones and dill ethers emerged. The analysis of submerged cultures further revealed the formation of additional, so far unknown, fungal terpenoids, including limonen-10-ol (7) and the corresponding aldehyde limonen-10-al (8). Analysis of chiral terpenoids as well as supplementation studies, including stable isotope-labeled compounds, indicated independent biogenesis pathways for dill ethers and lactones.
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Affiliation(s)
- Fabio F Brescia
- Institute of Food Chemistry and Food Biotechnology, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Maximilian Koch
- Institute of Food Chemistry and Food Biotechnology, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Raffael C Wende
- Institute of Organic Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Peter R Schreiner
- Institute of Organic Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Holger Zorn
- Institute of Food Chemistry and Food Biotechnology, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Ohlebergsweg 12, 35392 Giessen, Germany
| | - Marco A Fraatz
- Institute of Food Chemistry and Food Biotechnology, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
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6
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Beyond natural aromas: The bioactive and technological potential of monoterpenes. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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7
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Lv JX, Ding YQ, Huang CM, Guo LL, Fang JL, Jia X, Zhang WH, You S, Qin B. Enzyme- and Chemo-enzyme-Catalyzed Stereodivergent Synthesis. PHARMACEUTICAL FRONTS 2022. [DOI: 10.1055/s-0042-1755556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
Multiple stereoisomers can be found when a substance contains chiral carbons in its chemical structure. To obtain the desired stereoisomers, asymmetric synthesis was proposed in the 1970s and developed rapidly at the beginning of this century. Stereodivergent synthesis, an extension of asymmetric synthesis in organic synthesis with the hope to produce all stereoisomers of chiral substances in high conversion and selectivity, enriches the variety of available products and serves as a reference suggestion for the synthesis of their derivatives and other compounds. Since biocatalysis has outstanding advantages of economy, environmental friendliness, high efficiency, and reaction at mild conditions, the biocatalytic reaction is regarded as an efficient strategy to perform stereodivergent synthesis. Thus, in this review, we summarize the stereodivergent synthesis catalyzed by enzymes or chemo-enzymes in cases where a compound contains two or three chiral carbons, i.e., at most four or eight stereoisomers are present. The types of reactions, including reduction of substituent ketones, cyclization reactions, olefin addition, and nonredox transesterification reactions, are also discussed for the understanding of the progress and application of biocatalysis in stereodivergent synthesis.
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Affiliation(s)
- Jia-Xiang Lv
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Ya-Qi Ding
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Chen-Ming Huang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Ling-Ling Guo
- Microbial Research Institute of Liaoning Province, Liaoyang, People's Republic of China
| | - Jia-Li Fang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Xian Jia
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Wen-He Zhang
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Song You
- School of Life Sciences and Biopharmaceutical Sciences, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Bin Qin
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
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Shou C, Zheng YC, Zhan JR, Li CX, Xu JH. Removing the Obstacle to (-)-Menthol Biosynthesis by Building a Microbial Cell Factory of (+)-cis-Isopulegone from (-)-Limonene. CHEMSUSCHEM 2022; 15:e202101741. [PMID: 34519416 DOI: 10.1002/cssc.202101741] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 09/13/2021] [Indexed: 06/13/2023]
Abstract
Microbial synthesis of plant-based (-)-menthol is of great interest because of its high demand (≈30 kiloton per year) as well as unique odor and cooling characteristics. However, this remains a great challenge due to the yet unfilled gap between (-)-limonene and (+)-cis-isopulegone. Herein, the first artificial and effective system was developed for (+)-cis-isopulegone biosynthesis from (-)-limonene by recruiting two bacterial enzymes to replace their inefficient counterparts from Mentha piperita, limonene-3-hydroxylase, and isopiperitenol dehydrogenase. A cofactor self-regenerative recombinant Escherichia coli strain was constructed by introducing a formate dehydrogenase for nicotinamide adenine dinucleotide phosphate (NADPH) regeneration and an engineered microbial isopiperitenol dehydrogenase. The production of (+)-cis-isopulegone (up to 281.2 mg L-1 ) was improved by 36 times compared with that of the initial strain. This work lays a reliable foundation for the microbial synthesis of (-)-menthol.
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Affiliation(s)
- Chao Shou
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Yu-Cong Zheng
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Jing-Ru Zhan
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Chun-Xiu Li
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Jian-He Xu
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
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Oliveira LFC, Tega DU, Duarte GHB, Barbosa LD, Ribeiro HC, Castello ACD, Sawaya ACHF, Sussulini A. Foodomics for agroecology: Differentiation of volatile profile in mint (Mentha × gracilis Sole) from permaculture, organic and conventional agricultural systems using HS-SPME/GC-MS. Food Res Int 2022; 155:111107. [PMID: 35400399 DOI: 10.1016/j.foodres.2022.111107] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/04/2022] [Accepted: 03/06/2022] [Indexed: 11/04/2022]
Abstract
In the present study, foodomics approach was employed to investigate changes in the metabolism from the volatile terpenoids profile of mint(Mentha × gracillis Sole)from conventional, organic and permaculture (a type of agroecological agriculture system) farms using headspace solid-phase microextraction (HS-SPME) associated to gas chromatography coupled to mass spectrometry (GC-MS) and chemometric tools. The discrimination among the three types of mint was successfully achieved and demonstrated evidence of ecological interaction impact in the food metabolism. The agroecological mint presented as differential compounds: α-terpineol, bornyl formate, cis-carvyl propionate, cis-carveol, camphor, dihydrocarvyl acetate, dihydrocarveol, karahanaenone, nonanal, 3-octyl acetate, and trans-3-hexenyl-2 methylbutyrate. While organic and conventional mint presented as differential compounds: α-cedrene, β -pinene, γ-muurolene, δ-cadinene, germacrene, terpinolene, and elemol. The majority of differential metabolites from agroecological mint are oxygenated monoterpenes, which have more intense flavor and biological activities than hydrocarbons monoterpenes and sesquiterpenes found in organic and conventional mint. Furthermore, the discrimination between organic and conventional mint was effectively performed, which demonstrated different terpenoid profiles though without implying benefits for one or another agriculture system.
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Affiliation(s)
- Luan Felipe Campos Oliveira
- Laboratory of Bioanalytics and Integrated Omics (LaBIOmics), Department of Analytical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, 13083-970 Campinas, SP, Brazil; Yoko Civilization Research Centre, 05508-900 São Paulo, SP, Brazil
| | - David Ulisses Tega
- Laboratory of Bioanalytics and Integrated Omics (LaBIOmics), Department of Analytical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, 13083-970 Campinas, SP, Brazil
| | - Gustavo Henrique Bueno Duarte
- Department of Analytical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, 13083-970 Campinas, SP, Brazil
| | - Luidy Darllan Barbosa
- Laboratory of Bioanalytics and Integrated Omics (LaBIOmics), Department of Analytical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, 13083-970 Campinas, SP, Brazil
| | - Henrique Caracho Ribeiro
- Laboratory of Bioanalytics and Integrated Omics (LaBIOmics), Department of Analytical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, 13083-970 Campinas, SP, Brazil
| | | | | | - Alessandra Sussulini
- Laboratory of Bioanalytics and Integrated Omics (LaBIOmics), Department of Analytical Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, 13083-970 Campinas, SP, Brazil; Instituto Nacional de Ciência e Tecnologia de Bioanalítica (INCTBio), Institute of Chemistry, University of Campinas (UNICAMP), 13083-970 Campinas, SP, Brazil.
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10
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Sun C, Zhang R, Xie C. Efficient Synthesis of (R)-(+)-Perillyl Alcohol From (R)-(+)-Limonene Using Engineered Escherichia coli Whole Cell Biocatalyst. Front Bioeng Biotechnol 2022; 10:900800. [PMID: 35547170 PMCID: PMC9084310 DOI: 10.3389/fbioe.2022.900800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/04/2022] [Indexed: 11/25/2022] Open
Abstract
(R)-(+)-perillyl alcohol is a much valued supplemental compound with a wide range of agricultural and pharmacological characteristics. The aim of this study was to improve (R)-(+)-perillyl alcohol production using a whole-cell catalytic formula. In this study, we employed plasmids with varying copy numbers to identify an appropriate strain, strain 03. We demonstrated that low levels of alKL provided maximal biocatalyst stability. Upon determination of the optimal conditions, the (R)-(+)-perillyl alcohol yield reached 130 mg/L. For cofactor regeneration, we constructed strain 10, expressing FDH from Candida boidinii, and achieved (R)-(+)-perillyl alcohol production of 230 mg/L. As a result, 1.23 g/L (R)-(+)-perillyl alcohol was transformed in a 5 L fermenter. Our proposed method facilitates an alternative approach to the economical biosynthesis of (R)-(+)-perillyl alcohol.
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Affiliation(s)
- Chao Sun
- A State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, China
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
| | - Rubing Zhang
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
- *Correspondence: Rubing Zhang, ; Congxia Xie,
| | - Congxia Xie
- A State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, China
- *Correspondence: Rubing Zhang, ; Congxia Xie,
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11
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Fungal biotransformation of limonene and pinene for aroma production. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1007/s43153-022-00239-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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12
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Pokharel SS, Zhong Y, Changning L, Shen F, Likun L, Parajulee MN, Fang W, Chen F. Influence of reduced N-fertilizer application on foliar chemicals and functional qualities of tea plants under Toxoptera aurantii infestation. BMC PLANT BIOLOGY 2022; 22:166. [PMID: 35366797 PMCID: PMC8976352 DOI: 10.1186/s12870-022-03533-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND The tea aphid, Toxoptera aurantii (Boyer de Fonscolombe) is a polyphagous pest predominant in tea orchards and has become the most pernicious pest deteriorating tea quality. Nitrogen (N) is essential to plant growth improvement, and it can significantly impact plant defensive ability against aphid infestation. This study was designed to quantify the influence of reduced N-fertilizer application on foliar chemicals and functional quality parameters of tea plants against the infestation of T. aurantii. In this study, the tea seedlings (cv. Longjing43) were applied with normal level (NL) of N-fertilizer (240 kg N ha-1) along with reduced N-fertilizer levels (70%NL and 50%NL), and with and without T. aurantii infestation. RESULTS The results showed that N-fertilizer application significantly affected plant biomass and photosynthetic indexes, foliar soluble nutrients and polyphenols, tea catechins, caffeine, essential amino acids, volatile organic compounds of tea seedlings, and the population dynamics of T. aurantii. Compared with the normal N-fertilizer level, the reduced N-fertilizer application (70%NL and 50%NL) significantly decreased all the foliar functional quality components of tea seedlings without aphid infestation, while these components were increased in tea seedlings with aphid infestation. Moreover, the transcript expression levels of foliar functional genes (including CsTCS, CsTs1, and CsGT1) were significantly higher in the NL, and significantly lower in the 50%NL for tea seedlings without aphid infestation, while the transcript expression levels were significantly higher in 50%NL in aphid inoculated tea seedlings. CONCLUSION The results demonstrated that the reduced N-fertilizer application could enhance foliar chemicals and functional quality parameters of tea plants especially with T. aurantii infestation, which can relieve soil nitrogen pressure and reduce pesticide use for control of tea aphid infestation in tea plantations.
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Affiliation(s)
| | - Yanni Zhong
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Lv Changning
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Fangyuan Shen
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Li Likun
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Megha N Parajulee
- Texas A&M AgriLife Research and Extension Center, Lubbock, TX79403, USA
| | - Wanping Fang
- Department of Tea Science, College of Horticulture, Nanjing Agricultural University, Nanjing, China.
| | - Fajun Chen
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, China.
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13
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Fessner ND, Weber H, Glieder A. Regiospecific 7-hydroxylation of ten-carbon monoterpenes by detoxifying CYP5035S7 monooxygenase of the white-rot fungus Polyporus arcularius. Biochem Biophys Res Commun 2022; 595:35-40. [DOI: 10.1016/j.bbrc.2022.01.072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/18/2022] [Indexed: 12/22/2022]
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14
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Kolat SP, Patil H. Biocatalytic transformations of bioactive labdane diterpenoids from Andrographis paniculata (Burm f.) Nees: A review. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.2002305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Swati P. Kolat
- Bharatiya Jain Sanghatana’s Arts, Science and Commerce College, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Harshal Patil
- Moreshwar Arts, Science and Commerce College, Bhokardan Dr. Baba Saheb Ambedkar Marathwada University, Aurangabad, Maharashtra, India
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15
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An insight into the botanical origins of propolis from permanent preservation and reforestation areas of southern Brazil. Sci Rep 2021; 11:22043. [PMID: 34764418 PMCID: PMC8586149 DOI: 10.1038/s41598-021-01709-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/28/2021] [Indexed: 11/08/2022] Open
Abstract
Brown propolis from permanent preservation and reforestation areas of southern Brazil have attracted international commercial interest and have a unique composition, although little is known about their botanical origins, which are the plant resins used by bee foragers to produce propolis. Hence, the volatile profiles of organic and non-organic brown propolis and resins of suspected botanical origins—Araucaria angustifolia, Pinus elliott and Pinus taeda—were determined using static headspace gas chromatography coupled to mass spectrometry (SHS-GCMS) and compared. Nighty nine volatiles were tentatively identified, and monoterpenes and sesquiterpenes were the most abundant classes. Principal component analysis (PCA) showed similarity between organic propolis and A. angustifolia volatile profiles (p < 0.05). Hierarchical clustering analysis showed singularities among propolis, even between propolis produced 1 km away from each other. Heatmaps were used to identify peaks present in similar relative intensities in both propolis and conifer resins. Hence, the approach using volatile profiles shed light to propolis botanical origins, which is important for authentication and traceability purposes.
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16
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Ouled Aitouna A, Belghiti ME, Eşme A, Anouar E, Ouled Aitouna A, Zeroual A, Salah M, Chekroun A, Alaoui El Abdallaoui HE, Benharref A, Mazoir N. Chemical reactivities and molecular docking studies of parthenolide with the main protease of HEP-G2 and SARS-CoV-2. J Mol Struct 2021; 1243:130705. [PMID: 34031619 PMCID: PMC8133493 DOI: 10.1016/j.molstruc.2021.130705] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/30/2021] [Accepted: 05/12/2021] [Indexed: 12/16/2022]
Abstract
We have used bioinformatics to identify drugs for the treatment of COVID-19, using drugs already being tested for the treatment as benchmarks like Remdesivir and Chloroquine. Our findings provide further support for drugs that are already being explored as therapeutic agents for the treatment of COVID-19 and identify promising new targets that merit further investigation. In addition, the epoxidation of Parthenolide 1 using peracids, has been scrutinized within the MEDT at the B3LYP/6-311(d,p) computational level. DFT results showed a high chemoselectivity on the double bond C3[bond, double bond]C4, in full agreement with the experimental outcomes. ELF analysis demonstrated that epoxidation reaction took place through a one-step mechanism, in which the formation of the two new C-O single bonds is somewhat asynchronous.
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Affiliation(s)
- Abdelhak Ouled Aitouna
- Laboratory of Biomolecular Chemistry, Natural Substances and Reactivity, URAC 16, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech, Morocco
| | - ME. Belghiti
- Laboratory of Nernest Technology, 163 Willington Street, Sherbrook, QC J1H5C7, Canada,Department of Chemistry, Chouaib Doukkali University, P.O. Box El Jadida 24000, Morocco,Corresponding authors
| | - Aslı Eşme
- Department of Elementary Science Education Faculty of Education Kocaeli University, Umuttepe, Kocaeli 41380, Turkey
| | - E. Anouar
- Chemistry Department, College of Sciences and Humanities, Prince Sattam bin Abdulaziz University, P.O. Box 83, Al Kharj 11942, Saudi Arabia
| | - Anass Ouled Aitouna
- Molecular Modelling and Spectroscopy Research Team, Faculty of Science, Chouaïb Doukkali University, P.O. Box 20, El Jadida 24000, Morocco,Laboratory of Plant Biotechnology and Ecosystem Valorization (LB2VE), Research Unit: Natural Resource Valorizations, Faculty of Sciences Chouaib Doukkali University, P.O. Box, El Jadida 24000, Morocco
| | - A. Zeroual
- Molecular Modelling and Spectroscopy Research Team, Faculty of Science, Chouaïb Doukkali University, P.O. Box 20, El Jadida 24000, Morocco,Corresponding authors
| | - M. Salah
- Molecular Modelling and Spectroscopy Research Team, Faculty of Science, Chouaïb Doukkali University, P.O. Box 20, El Jadida 24000, Morocco
| | - A. Chekroun
- Laboratory of Biomolecular Chemistry, Natural Substances and Reactivity, URAC 16, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech, Morocco
| | - H. El Alaoui El Abdallaoui
- Molecular Modelling and Spectroscopy Research Team, Faculty of Science, Chouaïb Doukkali University, P.O. Box 20, El Jadida 24000, Morocco
| | - A. Benharref
- Laboratory of Biomolecular Chemistry, Natural Substances and Reactivity, URAC 16, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech, Morocco
| | - N. Mazoir
- Laboratory of Plant Biotechnology and Ecosystem Valorization (LB2VE), Research Unit: Natural Resource Valorizations, Faculty of Sciences Chouaib Doukkali University, P.O. Box, El Jadida 24000, Morocco,Department of Chemistry, Chouaib Doukkali University, P.O. Box El Jadida 24000, Morocco
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17
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Jiang Z, Xu C, Wang L, Hong K, Ma C, Lv C. Potential enzymes involved in beer monoterpenoids transformation: structures, functions and challenges. Crit Rev Food Sci Nutr 2021; 63:2082-2092. [PMID: 34459289 DOI: 10.1080/10408398.2021.1970510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Monoterpenes are important flavor and fragrance compounds in food. In beer, the monoterpenes mainly come from hops added during boiling process. Biotransformations of monoterpene which occurred during fermentation conferred beer with various kinds of aroma profiles, which can be mainly attributed to the contribution of enzymes in yeast. However, there are few reports on the identification and characterization of these enzymes in yeast. Illustrating the structure and functions of key enzymes related to transformations will broaden their potential applications in beer or other foodstuffs. Monoterpenoids including terpene hydrocarbons (limonene, myrcene, and pinene) and terpene alcohol (linalool, geraniol, nerol, and citronellol) gave the beer flower-like or fruit-like aroma. The biotransformation of monoterpenes and monoterpene alcohols in bacteria and yeast, and potential enzymes related to the transformation of them are reviewed here. Enzymes primarily are dehydrogenases including linalool dehydrogenase/isomerase, geraniol/geranial dehydrogenase, nerol dehydrogenase and citronellol dehydrogenase. Most of them are substrate-specific or substrate-specific after modifications by biotechnology methods, and part of them have been expressed in E. coli, while the purification and catalytic rate is very low. Efforts should be made to acquire abundant enzymes, and to fabricate enzyme-expressing yeast, which can be further applied in beer fermentation system.highlightsMonoterpenoids contributed to the flavor of food, especially beer.Transformation of monoterpenoids occurred during fermentation.Various kinds of enzymes are involved in the transformation of monoterpenoids in bacteria, yeast, etc.Crystal structures of these enzymes have been partially resolved.Few enzymes are further applied in food system to obtain abundant flavor.
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Affiliation(s)
- Zhenghui Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, China
| | - Chen Xu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, China
| | - Limin Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, China
| | - Kai Hong
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, China
| | - Changwei Ma
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, China
| | - Chenyan Lv
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing Key Laboratory of Functional Food from Plant Resources, Beijing, China
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18
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Synthesis and characterization of new secondary benzylamines derivatives of aryl-himachalene. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01563-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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19
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Wau JS, Robertson MJ, Oelgemöller M. Solar Photooxygenations for the Manufacturing of Fine Chemicals-Technologies and Applications. Molecules 2021; 26:1685. [PMID: 33802876 PMCID: PMC8002662 DOI: 10.3390/molecules26061685] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/15/2021] [Accepted: 03/15/2021] [Indexed: 12/05/2022] Open
Abstract
Photooxygenation reactions involving singlet oxygen (1O2) are utilized industrially as a mild and sustainable access to oxygenated products. Due to the usage of organic dyes as photosensitizers, these transformations can be successfully conducted using natural sunlight. Modern solar chemical reactors enable outdoor operations on the demonstration (multigram) to technical (multikilogram) scales and have subsequently been employed for the manufacturing of fine chemicals such as fragrances or biologically active compounds. This review will highlight examples of solar photooxygenations for the manufacturing of industrially relevant target compounds and will discuss current challenges and opportunities of this sustainable methodology.
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Affiliation(s)
- Jayson S. Wau
- College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia; (J.S.W.); (M.J.R.)
| | - Mark J. Robertson
- College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia; (J.S.W.); (M.J.R.)
| | - Michael Oelgemöller
- College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia; (J.S.W.); (M.J.R.)
- Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, 9000 Gent, Belgium
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20
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Medeiros TDMD, Alexandrino TD, Pastore GM, Bicas JL. Extraction and purification of limonene-1,2-diol obtained from the fungal biotransformation of limonene. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117683] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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21
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Soares-Castro P, Soares F, Santos PM. Current Advances in the Bacterial Toolbox for the Biotechnological Production of Monoterpene-Based Aroma Compounds. Molecules 2020; 26:molecules26010091. [PMID: 33379215 PMCID: PMC7794910 DOI: 10.3390/molecules26010091] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/19/2020] [Accepted: 12/22/2020] [Indexed: 11/16/2022] Open
Abstract
Monoterpenes are plant secondary metabolites, widely used in industrial processes as precursors of important aroma compounds, such as vanillin and (-)-menthol. However, the physicochemical properties of monoterpenes make difficult their conventional conversion into value-added aromas. Biocatalysis, either by using whole cells or enzymes, may overcome such drawbacks in terms of purity of the final product, ecological and economic constraints of the current catalysis processes or extraction from plant material. In particular, the ability of oxidative enzymes (e.g., oxygenases) to modify the monoterpene backbone, with high regio- and stereo-selectivity, is attractive for the production of "natural" aromas for the flavor and fragrances industries. We review the research efforts carried out in the molecular analysis of bacterial monoterpene catabolic pathways and biochemical characterization of the respective key oxidative enzymes, with particular focus on the most relevant precursors, β-pinene, limonene and β-myrcene. The presented overview of the current state of art demonstrates that the specialized enzymatic repertoires of monoterpene-catabolizing bacteria are expanding the toolbox towards the tailored and sustainable biotechnological production of values-added aroma compounds (e.g., isonovalal, α-terpineol, and carvone isomers) whose implementation must be supported by the current advances in systems biology and metabolic engineering approaches.
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22
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Biocatalytic Potential of Native Basidiomycetes from Colombia for Flavour/Aroma Production. Molecules 2020; 25:molecules25184344. [PMID: 32971920 PMCID: PMC7570902 DOI: 10.3390/molecules25184344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/11/2020] [Accepted: 09/15/2020] [Indexed: 11/17/2022] Open
Abstract
Aromas and flavours can be produced from fungi by either de novo synthesis or biotransformation processes. Herein, the biocatalytic potential of seven basidiomycete species from Colombia fungal strains isolated as endophytes or basidioma was evaluated. Ganoderma webenarium, Ganoderma chocoense, and Ganoderma stipitatum were the most potent strains capable of decolourizing β,β-carotene as evidence of their potential as biocatalysts for de novo aroma synthesis. Since a species’ biocatalytic potential cannot solely be determined via qualitative screening using β,β-carotene biotransformation processes, we focused on using α-pinene biotransformation with mycelium as a measure of catalytic potential. Here, two strains of Trametes elegans—namely, the endophytic (ET-06) and basidioma (EBB-046) strains—were screened. Herein, T. elegans is reported for the first time as a novel biocatalyst for the oxidation of α-pinene, with a product yield of 2.9 mg of cis-Verbenol per gram of dry weight mycelia used. The EBB-046 strain generated flavour compounds via the biotransformation of a Cape gooseberry medium and de novo synthesis in submerged cultures. Three aroma-producing compounds were identified via GC–MS—namely, methyl-3-methoxy-4H-pyran-4-one, hexahydro-3-(methylpropyl)-pyrrolo[1,2-a]pyrazine-1,4-dione, and hexahydro-3-(methylphenyl)-pyrrolo[1,2-a]pyrazine-1,4-dione.
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23
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Bhaskar P, Sareen D. Bioinformatics approach to understand nature's unified mechanism of stereo-divergent synthesis of isoprenoid skeletons. World J Microbiol Biotechnol 2020; 36:142. [PMID: 32851438 DOI: 10.1007/s11274-020-02918-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 08/13/2020] [Indexed: 11/27/2022]
Abstract
In isoprenoid metabolism, cyclisation is the important gateway to chemical diversity. Terpene synthase is responsible for the cyclisation of a few universal substrates forming hundreds of often stereo-chemically complex mono- and poly-cyclic terpene hydrocarbons with a broad spectrum of functions in pharmaceuticals, flavours and fragrance industry. Although they are discovered and characterised mainly from plants and fungi, yet only a small share of bacterial terpenes has been investigated so far owing to their low level of expression in wild-type microorganisms. Extensive bacterial genome mining has revealed a treasure trove of terpene synthase genes and their regulated heterologous overexpression has pitched-in to describe the biochemical function of putative genes and sequester new terpene metabolites. This review deals with the modern genome mining techniques and molecular methods, providing more experimental tools for studying the structure and functions of terpenoid metabolites and strongly supports the idea that genome mining is a utile approach in deciphering the terpenoid diversity in bacteria.
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Affiliation(s)
- Pranav Bhaskar
- Department of Biochemistry, Panjab University, Chandigarh, 160014, India
| | - Dipti Sareen
- Department of Biochemistry, Panjab University, Chandigarh, 160014, India.
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24
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Velázquez JE, Sadañoski MA, Zapata PD, Comelli NA, Villalba LL. Bioproduction of α-terpineol and R-(+)-limonene derivatives by terpene-tolerant ascomycete fungus as a potential contribution to the citrus value chain. J Appl Microbiol 2020; 130:76-89. [PMID: 32648320 DOI: 10.1111/jam.14777] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 06/12/2020] [Accepted: 07/03/2020] [Indexed: 12/14/2022]
Abstract
AIMS The aims of this article were to select fungal species with high tolerance and high growth rate in mediums supplemented with limonene and citrus essential oils (CEOs), and to test the bioconversion capability of the chosen isolates for the bioproduction of aroma compounds. METHODS AND RESULTS Based on the use of predictive mycology, 21 of 29 isolates were selected after assaying R-(+)-limonene and CEO tolerance (10 g l-1 ). With a dendrogram divisive coefficient of 0·937, the subcluster two with isolates Aspergillus niger LBM 055, Penicillium sp. LBM 150, Penicillium sp. LBM 151 and Penicillium sp. LBM 154 gathered the highest tolerance and mycelia growth speed. Ultrastructural analysis indicated that culture media containing limonene had no visible toxic activity that could promote morphological changes in the fungal cell wall. The biomass of A. niger LBM055 was distinctive in liquid media supplemented with R-(+)-limonene (0·57 ± 0·07 g) and it was selected to prove bioconversion capacity, under static and agitated conditions, and converted up to 98% of limonene, yielding a wide variety of products that were quantified by GC-FID. It was obtained at molecular weights less than limonene (64-100%), between limonene and α-terpineol (12-72%) and greater than α-terpineol (2-48%). CONCLUSIONS Aspergillus niger LBM 055, Penicillium sp. LBM 150, Penicillium sp. LBM 151 and Penicillium sp. LBM 154 showed to the highest tolerance and growth rate in mediums supplemented with R-(+)-limonene and orange and lemon essential oils. Particularly, A. niger LBM055, showed limonene bioconversion capability and produced different molecular weights compounds such us α-terpineol. SIGNIFICANCE AND IMPACT OF THE STUDY Different bioproducts can be obtained by changing operative condition with the same fungus, and this bioprocess aspect is a significant approach to be adopted on industrial scale leading to the creation of new natural flavours and fragrance compositions.
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Affiliation(s)
- J E Velázquez
- Laboratorio de Biotecnología Molecular, Facultad de Ciencias Exactas, Químicas y Naturales, Instituto de Biotecnología Misiones "Dra. María Ebe Reca", CONICET, Universidad Nacional de Misiones, Posadas, Misiones, Argentina
| | - M A Sadañoski
- Laboratorio de Biotecnología Molecular, Facultad de Ciencias Exactas, Químicas y Naturales, Instituto de Biotecnología Misiones "Dra. María Ebe Reca", CONICET, Universidad Nacional de Misiones, Posadas, Misiones, Argentina
| | - P D Zapata
- Laboratorio de Biotecnología Molecular, Facultad de Ciencias Exactas, Químicas y Naturales, Instituto de Biotecnología Misiones "Dra. María Ebe Reca", CONICET, Universidad Nacional de Misiones, Posadas, Misiones, Argentina
| | - N A Comelli
- Departamento de Ciencias Básicas, Área Química, Facultad de Ingeniería y Ciencias Agropecuarias, Universidad Nacional de San Luis - Instituto de Investigación en Tecnología Química (INTEQUI - CONICET), San Luis, Argentina
| | - L L Villalba
- Laboratorio de Biotecnología Molecular, Facultad de Ciencias Exactas, Químicas y Naturales, Instituto de Biotecnología Misiones "Dra. María Ebe Reca", CONICET, Universidad Nacional de Misiones, Posadas, Misiones, Argentina
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25
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Concepción O, Belmar J, F. de la Torre A, M. Muñiz F, Pertino MW, Alarcón B, Ormazabal V, Nova-Lamperti E, Zúñiga FA, Jiménez CA. Synthesis and Cytotoxic Analysis of Novel Myrtenyl Grafted Pseudo-Peptides Revealed Potential Candidates for Anticancer Therapy. Molecules 2020; 25:molecules25081911. [PMID: 32326138 PMCID: PMC7221699 DOI: 10.3390/molecules25081911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/11/2020] [Accepted: 04/13/2020] [Indexed: 11/16/2022] Open
Abstract
Myrtenal is a natural monoterpene isolated from essential oils of several plants and their derivates have shown to have several biological properties including cytotoxicity. The cytotoxic activity of these derivates are being investigated for their antitumor effect leading to the development of potential anticancer agents. In this study, novels Myrtenyl grafted pseudo-peptides were designed, synthesized and functionally characterized as possible therapeutic agents for cancer treatment. Thirteen novel Myrtenyl grafted pseudo-peptides were prepared in high atom economy and efficiency by a classic Ugi-4CR and sequential post-modification. Their structures were confirmed by NMR, and ESI-MS, and its cytotoxic activity was evaluated in three cancer cell lines and primary CD4+ T cells at different proliferative cycles. Our results revealed that some of these compounds showed significant cytotoxicity against human gastric, breast and colon adenocarcinoma cells lines, but not against human dermal fibroblast cell line. Moreover, from the thirteen novel myrtenyl synthesized the compound (1R,5S)-N-{[1-(3-chlorophenyl)-1H-1,2,3-triazol-4-yl]methyl}-N-[2-(cyclohexylamino)-2–oxoethyl]-6,6-dimethylbicyclo[3.1.1]hept-2-ene-2-carboxamide (3b) proved to be the best candidate in terms of acceptable EC50, and Emax values in cancer cell lines and at inducing cytotoxicity in CD4+ T cells undergoing active proliferation, without affecting non-proliferating T cells. Overall, the synthesis and characterization of our Myrtenyl derivates revealed novel potential anticancer candidates with selective cytotoxic activity.
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Affiliation(s)
- Odette Concepción
- Department of Organic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Edmundo Larenas 129, Concepción P.C. 4070371, Chile; (J.B.); (A.F.d.l.T.); (F.M.M.)
- Correspondence: (O.C.); (C.A.J.); Tel.: +56-41-22042658 (O.C. & C.A.J.)
| | - Julio Belmar
- Department of Organic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Edmundo Larenas 129, Concepción P.C. 4070371, Chile; (J.B.); (A.F.d.l.T.); (F.M.M.)
| | - Alexander F. de la Torre
- Department of Organic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Edmundo Larenas 129, Concepción P.C. 4070371, Chile; (J.B.); (A.F.d.l.T.); (F.M.M.)
| | - Francisco M. Muñiz
- Department of Organic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Edmundo Larenas 129, Concepción P.C. 4070371, Chile; (J.B.); (A.F.d.l.T.); (F.M.M.)
| | - Mariano W. Pertino
- Institute of Natural Resources Chemistry, Universidad de Talca, Casilla 747, Avenida Lircay, Talca P.C. 3462227, Chile;
| | - Barbara Alarcón
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción P.C. 4070371, Chile; (B.A.); (E.N.-L.); (F.A.Z.)
| | - Valeska Ormazabal
- Department of Pharmacology, Faculty of Biological Sciences, Universidad de Concepción, Concepción P.C. 4070371, Chile;
| | - Estefania Nova-Lamperti
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción P.C. 4070371, Chile; (B.A.); (E.N.-L.); (F.A.Z.)
| | - Felipe A. Zúñiga
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción P.C. 4070371, Chile; (B.A.); (E.N.-L.); (F.A.Z.)
| | - Claudio A. Jiménez
- Department of Organic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Edmundo Larenas 129, Concepción P.C. 4070371, Chile; (J.B.); (A.F.d.l.T.); (F.M.M.)
- Correspondence: (O.C.); (C.A.J.); Tel.: +56-41-22042658 (O.C. & C.A.J.)
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26
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Sousa GMD, Cazarin CBB, Maróstica Junior MR, Lamas CDA, Quitete VHAC, Pastore GM, Bicas JL. The effect of α-terpineol enantiomers on biomarkers of rats fed a high-fat diet. Heliyon 2020; 6:e03752. [PMID: 32382672 PMCID: PMC7199010 DOI: 10.1016/j.heliyon.2020.e03752] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 02/28/2020] [Accepted: 04/02/2020] [Indexed: 12/13/2022] Open
Abstract
Alpha-terpineol is a monoterpenoid found in many essential oils, being widely used in food and household products. In vitro antioxidant and anti-inflammatory activities have already been associated with this alcohol; therefore, this study aimed to check if these properties were also present in vivo, counteracting the oxidant and inflammatory effects of a high-fat diet, as well as if there were differences in the biological activities among the two α-terpineol enantiomers. Thus, this work evaluated the effect of supplementation of α-terpineol enantiomers (at 25, 50 and 100 mg/kg of diet) on biological parameters of diet-induced obese Sprague-Dawley rats. In general, α-terpineol improved the nutritional parameters of rats fed a high-fat diet. The intake of α-terpineol at concentrations ≥50 mg/kg was able to reestablish the insulin sensibility and reduced (p < 0.05) serum levels of pro-inflammatory cytokines TNF-α and IL-1β, when compared with the control group. The intake of R-(+)- and (-)-α-terpineol decreased the TNF-α level by approximately 1.5 and 3.4 times, respectively, when compared with the high-fat group, regardless of the concentration. Moreover, both enantiomers at 50 mg/kg decreased the levels of serum thiobarbituric acid reactive substances (TBARS) by 2.6-4.2 times, while hepatic TBARS were reduced in approximately 1.6 times, regardless of the compound and concentration tested. Further experiments are suggested to confirm the mechanisms and the security of α-terpineol in different experimental models and more extended exposure experiments.
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Affiliation(s)
- Gardênia Martins de Sousa
- Department of Food Science, School of Food Engineering, University of Campinas, Rua Monteiro Lobato, 80, CEP 13083-862, Campinas, SP, Brazil
| | - Cinthia Baú Betim Cazarin
- Department of Food and Nutrition, School of Food Engineering, University of Campinas, Rua Monteiro Lobato, 80, CEP 13083-862, Campinas, SP, Brazil
| | - Mário Roberto Maróstica Junior
- Department of Food and Nutrition, School of Food Engineering, University of Campinas, Rua Monteiro Lobato, 80, CEP 13083-862, Campinas, SP, Brazil
| | - Celina de Almeida Lamas
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Rua Monteiro Lobato, 255, CEP 13083-862, Campinas, SP, Brazil
| | - Valéria Helena Alves Cagnon Quitete
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, Rua Monteiro Lobato, 255, CEP 13083-862, Campinas, SP, Brazil
| | - Glaucia Maria Pastore
- Department of Food Science, School of Food Engineering, University of Campinas, Rua Monteiro Lobato, 80, CEP 13083-862, Campinas, SP, Brazil
| | - Juliano Lemos Bicas
- Department of Food Science, School of Food Engineering, University of Campinas, Rua Monteiro Lobato, 80, CEP 13083-862, Campinas, SP, Brazil
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27
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Li Z, Howell K, Fang Z, Zhang P. Sesquiterpenes in grapes and wines: Occurrence, biosynthesis, functionality, and influence of winemaking processes. Compr Rev Food Sci Food Saf 2019; 19:247-281. [PMID: 33319521 DOI: 10.1111/1541-4337.12516] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/09/2019] [Accepted: 11/13/2019] [Indexed: 12/17/2022]
Abstract
Grapes are an important global horticultural product, and are mainly used for winemaking. Typically, grapes and wines are rich in various phytochemicals, including phenolics, terpenes, pyrazines, and benzenoids, with different compounds responsible for different nutritional and sensory properties. Among these compounds, sesquiterpenes, a subcategory of the terpenes, are attracting increasing interest as they affect aroma and have potential health benefits. The characteristics of sesquiterpenes in grapes and wines in terms of classification, biosynthesis pathway, and active functions have not been extensively reviewed. This paper summarizes 97 different sesquiterpenes reported in grapes and wines and reviews their biosynthesis pathways and relevant bio-regulation mechanisms. This review further discusses the functionalities of these sesquiterpenes including their aroma contribution to grapes and wines and potential health benefits, as well as how winemaking processes affect sesquiterpene concentrations.
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Affiliation(s)
- Zizhan Li
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Kate Howell
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Zhongxiang Fang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
| | - Pangzhen Zhang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Victoria, Australia
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28
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Makrygenni O, Vanmairis L, Taourit S, Launay F, Shum Cheong Sing A, Proust A, Gérard H, Villanneau R. Selective Formation of Epoxylimonene Catalyzed by Phosphonyl/Arsonyl Derivatives of Trivacant Polyoxotungstates at Low Temperature. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201901152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ourania Makrygenni
- Sorbonne Université CNRS, Campus Pierre et Marie Curie Institut Parisien de Chimie Moléculaire, CNRS UMR 8232 4 Place Jussieu 75005 Paris France
| | - Louise Vanmairis
- Lab. de Chimie des Substances Naturelles et Sci. des Aliments Université de la Réunion 15 Av. Henri Cassin, CS 92003 97744 Saint‐Denis cedex 9 France
| | - Sabrina Taourit
- Lab. de Chimie des Substances Naturelles et Sci. des Aliments Université de la Réunion 15 Av. Henri Cassin, CS 92003 97744 Saint‐Denis cedex 9 France
| | - Franck Launay
- Sorbonne Université CNRS, Campus Pierre et Marie Curie Lab. de Réactivité de Surface, CNRS UMR 7197 4 Place Jussieu 75005 Paris France
| | - Alain Shum Cheong Sing
- Lab. de Chimie des Substances Naturelles et Sci. des Aliments Université de la Réunion 15 Av. Henri Cassin, CS 92003 97744 Saint‐Denis cedex 9 France
| | - Anna Proust
- Sorbonne Université CNRS, Campus Pierre et Marie Curie Institut Parisien de Chimie Moléculaire, CNRS UMR 8232 4 Place Jussieu 75005 Paris France
| | - Hélène Gérard
- Sorbonne Université CNRS, Campus Pierre et Marie Curie Laboratoire de Chimie Théorique LCT UMR 7616 4 Place Jussieu 75005 Paris France
| | - Richard Villanneau
- Sorbonne Université CNRS, Campus Pierre et Marie Curie Institut Parisien de Chimie Moléculaire, CNRS UMR 8232 4 Place Jussieu 75005 Paris France
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29
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Sales A, Pastore GM, Bicas JL. Optimization of limonene biotransformation to limonene-1,2-diol by Colletotrichum nymphaeae CBMAI 0864. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.07.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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30
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Catalytic Oxidation Processes for the Upgrading of Terpenes: State-of-the-Art and Future Trends. Catalysts 2019. [DOI: 10.3390/catal9110893] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Terpenic olefins constitute a relevant platform of renewable molecules, which could be used as key intermediates for the perfumery, flavoring, and pharmaceutical industries. The upgrading of these cheap and available agro-resources through catalytic oxidation processes remains of great interest, leading to the formation of either epoxides via the oxidation of the olefinic bond or α,β-unsaturated ketones by the Csp3-H functionalization at the α-position of the double bond. This critical review summarizes some of the most relevant homogeneous or heterogeneous catalysts designed for the oxidation of some abundant terpenic olefins in the last decade (2008–2018).
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31
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Zeroual A, Ríos-Gutiérrez M, Amiri O, El Idrissi M, Domingo LR. A molecular electron density theory study of the mechanism, chemo- and stereoselectivity of the epoxidation reaction of R-carvone with peracetic acid. RSC Adv 2019; 9:28500-28509. [PMID: 35529642 PMCID: PMC9071017 DOI: 10.1039/c9ra05309c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 08/26/2019] [Indexed: 11/21/2022] Open
Abstract
The epoxidation reaction of R-carvone 8 with peracetic acid 9 has been studied within the molecular electron density theory at the B3LYP/6-311(d,p) computational level. The chemo- and stereoisomeric reaction paths involving the two C-C double bonds of R-carvone 8 have been studied. DFT calculations account for the high chemoselectivity involving the C-C double bond of the isopropenyl group and the low diastereoselectivity, in complete agreement with the experimental outcomes. The Baeyer-Villiger reaction involving the carbonyl group of R-carvone 8 has also been analysed. A bonding evolution theory analysis of the epoxidation reaction shows the complexity of the bonding changes taking place along this reaction. Formation of the oxirane ring takes place asynchronously at the end of the reaction by attack of anionic oxygen on the two carbons of the isopropenyl C-C double bond.
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Affiliation(s)
- Abdellah Zeroual
- Molecular Modeling and Spectroscopy Research Team, Faculty of Science, ChouaïbDoukkali University P.O. Box 20 24000 El Jadida Morocco
| | - Mar Ríos-Gutiérrez
- Department of Organic Chemistry, University of Valencia Dr. Moliner 50, 46100 Burjassot Valencia Spain
| | - Ouafa Amiri
- Laboratory of Organic and Analytical Chemistry, Faculty of Sciences and Techniques, Sultan Moulay Slimane University B. P. 523 Beni-Mellal Morocco
| | - Mohammed El Idrissi
- Molecular Modeling and Spectroscopy Research Team, Faculty of Science, ChouaïbDoukkali University P.O. Box 20 24000 El Jadida Morocco
- Department of Chemistry, Polydisciplinary Faculty, Sultan Moulay Slimane University Beni-Mellal Morocco
| | - Luis R Domingo
- Department of Organic Chemistry, University of Valencia Dr. Moliner 50, 46100 Burjassot Valencia Spain
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Mdletshe LS, Makgwane PR, Ray SS. Fabrication of Bimetal CuFe 2O 4 Oxide Redox-Active Nanocatalyst for Oxidation of Pinene to Renewable Aroma Oxygenates. NANOMATERIALS 2019; 9:nano9081140. [PMID: 31395824 PMCID: PMC6723823 DOI: 10.3390/nano9081140] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/25/2019] [Accepted: 07/30/2019] [Indexed: 12/16/2022]
Abstract
This study report on the synthesis of spinel CuFe2O4 nanostructures by surfactant-assisted method. The catalysts were characterized by X-ray diffraction (XRD), laser Raman, transition electron microscope (TEM), scanning electron microscope (SEM), energy dispersive X-ray (EDX), hydrogen temperature programmed reduction (H2-TPR), and Brunauer-Teller-Emmett-Teller (BET) surface area techniques. CuFe2O4 was active for pinene oxidation using tertiary butyl hydroperoxide (TBHP) to pinene oxide, verbenol, and verbenone aroma oxygenates. Under optimized reaction conditions, the spinel CuFe2O4 catalyst could afford 80% pinene conversion at a combined verbenol/verbenone selectivity of 76% within the reaction time of 20 h. The changes in catalyst synthesis solvent composition ratios induced significantly varying redox, phases, and textural structure features, which resulted in various catalytic enhancement effect. Characterization results showed the spinel CuFe2O4 catalyst possessing less than 5 wt% impurity phases, Cu(OH)2, and CuO to afford the best catalytic performance. The CuFe2O4 catalyst was recyclable to up to five reaction cycles without loss of its activity. The recyclability of the bimetal CuFe2O4 oxide catalyst was simply rendered by use of an external magnet to separate it from the liquid solution.
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Affiliation(s)
- Lindokuhle S Mdletshe
- DST/CSIR National Centre for Nanostructured Materials, Council for Scientific and Industrial Research (CSIR), Pretoria 0001, South Africa
- Department of Applied Chemistry, University of Johannesburg, Doornfontein 2018, South Africa
| | - Peter R Makgwane
- DST/CSIR National Centre for Nanostructured Materials, Council for Scientific and Industrial Research (CSIR), Pretoria 0001, South Africa.
- Department of Chemistry, University of the Western Cape, Bellville 7530, South Africa.
| | - Suprakas S Ray
- DST/CSIR National Centre for Nanostructured Materials, Council for Scientific and Industrial Research (CSIR), Pretoria 0001, South Africa.
- Department of Applied Chemistry, University of Johannesburg, Doornfontein 2018, South Africa.
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33
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Exploring Castellaniella defragrans Linalool (De)hydratase-Isomerase for Enzymatic Hydration of Alkenes. Molecules 2019; 24:molecules24112092. [PMID: 31159367 PMCID: PMC6600392 DOI: 10.3390/molecules24112092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 01/08/2023] Open
Abstract
Acyclic monoterpenes constitute a large and highly abundant class of secondary plant metabolites and are, therefore, attractive low-cost raw materials for the chemical industry. To date, numerous biocatalysts for their transformation are known, giving access to highly sought-after monoterpenoids. In view of the high selectivity associated with many of these reactions, the demand for enzymes generating commercially important target molecules is unabated. Here, linalool (de)hydratase-isomerase (Ldi, EC 4.2.1.127) from Castellaniella defragrans was examined for the regio- and stereoselective hydration of the acyclic monoterpene β-myrcene to (S)-(+)-linalool. Expression of the native enzyme in Escherichia coli allowed for identification of bottlenecks limiting enzyme activity, which were investigated by mutating selected residues implied in enzyme assembly and function. Combining these analyses with the recently published 3D structures of Ldi highlighted the precisely coordinated reduction-oxidation state of two cysteine pairs in correct oligomeric assembly and the catalytic mechanism, respectively. Subcellular targeting studies upon fusion of Ldi to different signal sequences revealed the significance of periplasmic localization of the mature enzyme in the heterologous expression host. This study provides biochemical and mechanistic insight into the hydration of β-myrcene, a nonfunctionalized terpene, and emphasizes its potential for access to scarcely available but commercially interesting tertiary alcohols.
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34
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DiPucchio RC, Rosca S, Athavan G, Schafer LL. Exploiting Natural Complexity: Synthetic Terpenoid‐Alkaloids by Regioselective and Diastereoselective Hydroaminoalkylation Catalysis. ChemCatChem 2019. [DOI: 10.1002/cctc.201900398] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Rebecca C. DiPucchio
- Department of ChemistryUniversity of British Columbia 2036 Main Mall Vancouver, B.C V6T 1Z1 Canada
| | - Sorin‐Claudiu Rosca
- Department of ChemistryUniversity of British Columbia 2036 Main Mall Vancouver, B.C V6T 1Z1 Canada
| | - Gayathri Athavan
- Department of ChemistryUniversity of British Columbia 2036 Main Mall Vancouver, B.C V6T 1Z1 Canada
| | - Laurel L. Schafer
- Department of ChemistryUniversity of British Columbia 2036 Main Mall Vancouver, B.C V6T 1Z1 Canada
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35
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Löfgren J, Görbe T, Oschmann M, Svedendahl Humble M, Bäckvall J. Transesterification of a Tertiary Alcohol by Engineered
Candida antarctica
Lipase A. Chembiochem 2019; 20:1438-1443. [DOI: 10.1002/cbic.201800792] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Indexed: 01/27/2023]
Affiliation(s)
- Johanna Löfgren
- Department of Organic ChemistryArrhenius Laboratory Stockholm University 106 91 Stockholm Sweden
| | - Tamás Görbe
- Department of Organic ChemistryArrhenius Laboratory Stockholm University 106 91 Stockholm Sweden
| | - Michael Oschmann
- Department of Organic ChemistryArrhenius Laboratory Stockholm University 106 91 Stockholm Sweden
| | - Maria Svedendahl Humble
- KTH Royal Institute of TechnologySchool of Engineering Sciences in ChemistryBiotechnology and Health (CBH)Department of Industrial Biotechnology AlbaNova University Center 106 91 Stockholm Sweden
- Pharem Biotech ABBiovation Park Forskargatan 20 J 151 36 Södertälje Sweden
| | - Jan‐E. Bäckvall
- Department of Organic ChemistryArrhenius Laboratory Stockholm University 106 91 Stockholm Sweden
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36
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Pessôa MG, Vespermann KA, Paulino BN, Barcelos MC, Pastore GM, Molina G. Newly isolated microorganisms with potential application in biotechnology. Biotechnol Adv 2019; 37:319-339. [DOI: 10.1016/j.biotechadv.2019.01.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 12/23/2022]
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37
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Sales A, Moreira RC, Pastore GM, Bicas JL. Establishment of culture conditions for bio-transformation of R-(+)-limonene to limonene-1,2-diol by Colletotrichum nymphaeae CBMAI 0864. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.01.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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38
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Selective hydroxylation of 1,8- and 1,4-cineole using bacterial P450 variants. Arch Biochem Biophys 2019; 663:54-63. [DOI: 10.1016/j.abb.2018.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 10/24/2018] [Accepted: 12/21/2018] [Indexed: 01/10/2023]
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39
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Singh P, Kapkoti DS, Singh N, Tewari R, Saikia D, Rout PK, Pandey R, Bhakuni RS. Biotransformation of artemisinic acid by the fungus Trichothecium roseum and anti-candidal activity of its metabolites. BIOCATAL BIOTRANSFOR 2019. [DOI: 10.1080/10242422.2018.1552265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Pooja Singh
- Medicinal Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Deepak Singh Kapkoti
- Medicinal Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Nandan Singh
- Molecular Bioprospection Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Rashi Tewari
- Process Chemistry and Chemical Engineering Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Dharmendra Saikia
- Molecular Bioprospection Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Prasant Kumar Rout
- Process Chemistry and Chemical Engineering Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Rakesh Pandey
- Microbial Technology and Nematology, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
| | - Rajendra Singh Bhakuni
- Medicinal Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
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40
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Rubulotta G, Quadrelli EA. Terpenes: A Valuable Family of Compounds for the Production of Fine Chemicals. STUDIES IN SURFACE SCIENCE AND CATALYSIS 2019. [DOI: 10.1016/b978-0-444-64127-4.00011-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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41
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Guo J, Zhang R, Ouyang J, Zhang F, Qin F, Liu G, Zhang W, Li H, Ji X, Jia X, Qin B, You S. Stereodivergent Synthesis of Carveol and Dihydrocarveol through Ketoreductases/Ene‐Reductases Catalyzed Asymmetric Reduction. ChemCatChem 2018. [DOI: 10.1002/cctc.201801391] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jiyang Guo
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Rui Zhang
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Jingping Ouyang
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Feiting Zhang
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Fengyu Qin
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Guigao Liu
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Wenhe Zhang
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Hengyu Li
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Xiaohong Ji
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Xian Jia
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Bin Qin
- Wuya College of InnovationShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
| | - Song You
- School of Life Sciences and Biopharmaceutical SciencesShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 P.R. China
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Engleder M, Pichler H. On the current role of hydratases in biocatalysis. Appl Microbiol Biotechnol 2018; 102:5841-5858. [PMID: 29785499 PMCID: PMC6013536 DOI: 10.1007/s00253-018-9065-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 04/27/2018] [Accepted: 04/27/2018] [Indexed: 11/06/2022]
Abstract
Water addition to carbon-carbon double bonds provides access to value-added products from inexpensive organic feedstock. This interesting but relatively little-studied reaction is catalysed by hydratases in a highly regio- and enantiospecific fashion with excellent atom economy. Considering that asymmetric hydration of (non-activated) carbon-carbon double bonds is virtually impossible with current organic chemistry, enzymatic hydration reactions are highly attractive for industrial applications. Hydratases have been known for several decades but their biocatalytic potential has only been explored over the past 15 years. As a result, a considerable amount of information on this enzyme group has become available, enabling their development for practical applications. This review focuses on hydratases catalysing water addition to non-activated carbon-carbon double bonds, and examines hydratases from a biochemical, structural and mechanistic angle. Current challenges and opportunities in hydration biocatalysis are discussed, and, ultimately, their potential for organic synthesis is highlighted.
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Affiliation(s)
- Matthias Engleder
- Austrian Centre of Industrial Biotechnology (acib), Petersgasse 14, 8010, Graz, Austria
- Institute of Molecular Biotechnology, Graz University of Technology, NAWI Graz, BioTechMed Graz, Petersgasse 8010, Graz, Austria
| | - Harald Pichler
- Austrian Centre of Industrial Biotechnology (acib), Petersgasse 14, 8010, Graz, Austria.
- Institute of Molecular Biotechnology, Graz University of Technology, NAWI Graz, BioTechMed Graz, Petersgasse 8010, Graz, Austria.
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O’Brien TE, Bertolani SJ, Zhang Y, Siegel JB, Tantillo DJ. Predicting Productive Binding Modes for Substrates and Carbocation Intermediates in Terpene Synthases-Bornyl Diphosphate Synthase as a Representative Case. ACS Catal 2018; 8:3322-3330. [PMID: 30034923 PMCID: PMC6049084 DOI: 10.1021/acscatal.8b00342] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Terpene synthases comprise a family of enzymes that convert acyclic oligo-isoprenyl diphosphates to terpene natural products with complex, polycyclic carbon backbones via the generation and protection of carbocation intermediates. To accommodate this chemistry, terpene synthase active sites generally are lined with alkyl and aromatic, i.e., nonpolar, sidechains. Predicting the correct, mechanistically relevant binding modes for entire terpene synthase reaction pathways remains an unsolved challenge. Here we describe a method for identifying such modes: TerDockin, a series of protocols to predict the orientation of carbon skeletons of substrates and derived carbocations relative to the bound diphosphate group in terpene synthase active sites. Using this recipe for bornyl diphosphate synthase, we have predicted binding modes that are consistent with all current experimental observations, including the results of isotope labeling experiments and known stereoselectivity. In addition, the predicted binding modes recapitulate key findings of a seminal study involving more computationally demanding QM/MM molecular dynamics methods on part of this pathway. This work illustrates the value of the TerDockin approach as a starting point for more involved calculations and sets the stage for the rational engineering of this family of enzymes.
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Affiliation(s)
- Terrence E. O’Brien
- Department of Chemistry, University of California Davis, Davis, California, USA
| | - Steven J. Bertolani
- Department of Chemistry, University of California Davis, Davis, California, USA
| | - Yue Zhang
- Department of Chemistry, University of California Davis, Davis, California, USA
| | - Justin B. Siegel
- Department of Chemistry, University of California Davis, Davis, California, USA
- Department of Biochemistry and Molecular Medicine, University of California Davis, Davis, California, USA
- Genome Center, University of California Davis, Davis, California, USA
| | - Dean J. Tantillo
- Department of Chemistry, University of California Davis, Davis, California, USA
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Schempp FM, Drummond L, Buchhaupt M, Schrader J. Microbial Cell Factories for the Production of Terpenoid Flavor and Fragrance Compounds. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:2247-2258. [PMID: 28418659 DOI: 10.1021/acs.jafc.7b00473] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Terpenoid flavor and fragrance compounds are of high interest to the aroma industry. Microbial production offers an alternative sustainable access to the desired terpenoids independent of natural sources. Genetically engineered microorganisms can be used to synthesize terpenoids from cheap and renewable resources. Due to its modular architecture, terpenoid biosynthesis is especially well suited for the microbial cell factory concept: a platform host engineered for a high flux toward the central C5 prenyl diphosphate precursors enables the production of a broad range of target terpenoids just by varying the pathway modules converting the C5 intermediates to the product of interest. In this review typical terpenoid flavor and fragrance compounds marketed or under development by biotech and aroma companies are given, and the specificities of the aroma market are discussed. The main part of this work focuses on key strategies and recent advances to engineer microbes to become efficient terpenoid producers.
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Affiliation(s)
- Florence M Schempp
- DECHEMA-Forschungsinstitut, Industrial Biotechnology , Theodor-Heuss-Allee 25 , 60486 Frankfurt am Main , Germany
| | - Laura Drummond
- DECHEMA-Forschungsinstitut, Industrial Biotechnology , Theodor-Heuss-Allee 25 , 60486 Frankfurt am Main , Germany
| | - Markus Buchhaupt
- DECHEMA-Forschungsinstitut, Industrial Biotechnology , Theodor-Heuss-Allee 25 , 60486 Frankfurt am Main , Germany
| | - Jens Schrader
- DECHEMA-Forschungsinstitut, Industrial Biotechnology , Theodor-Heuss-Allee 25 , 60486 Frankfurt am Main , Germany
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Görbe T, Lihammar R, Bäckvall JE. Heterogeneous Acid-Catalyzed Racemization of Tertiary Alcohols. Chemistry 2017; 24:77-80. [DOI: 10.1002/chem.201704691] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Tamás Görbe
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University; 106 91 Stockholm Sweden
| | - Richard Lihammar
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University; 106 91 Stockholm Sweden
| | - Jan-E. Bäckvall
- Department of Organic Chemistry; Arrhenius Laboratory; Stockholm University; 106 91 Stockholm Sweden
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Vallet M, Vanbellingen QP, Fu T, Le Caer JP, Della-Negra S, Touboul D, Duncan KR, Nay B, Brunelle A, Prado S. An Integrative Approach to Decipher the Chemical Antagonism between the Competing Endophytes Paraconiothyrium variabile and Bacillus subtilis. JOURNAL OF NATURAL PRODUCTS 2017; 80:2863-2873. [PMID: 29139291 DOI: 10.1021/acs.jnatprod.6b01185] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
An integrative approach combining traditional natural products chemistry, molecular networking, and mass spectrometry imaging has been undertaken to decipher the molecular dialogue between the fungus Paraconiothyrium variabile and the bacterium Bacillus subtilis, which were isolated as endophytes from the conifer Cephalotaxus harringtonia and are characterized by a strong and mutual antibiosis. From this study, we highlight that bacterial surfactins and a fungal tetronic acid are involved in such competition and that the fungus is able to hydrolyze surfactins to fight against the bacterial partner.
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Affiliation(s)
- Marine Vallet
- Unité Molécules de Communication et Adaptation des Micro-organismes (UMR 7245), Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS , CP 54, 57 rue Cuvier, 75005 Paris, France
| | - Quentin P Vanbellingen
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay , Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Tingting Fu
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay , Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Jean-Pierre Le Caer
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay , Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Serge Della-Negra
- Institut de Physique Nucléaire, UMR8608, IN2P3-CNRS, Université Paris-Sud, Université Paris-Saclay , 91406, Orsay, France
| | - David Touboul
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay , Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Katherine R Duncan
- Strathclyde Institute of Pharmacy and Biomedical Sciences, HW608, University of Strathclyde , 161 Cathedral Street, Glasgow G4 ORE, U.K
| | - Bastien Nay
- Unité Molécules de Communication et Adaptation des Micro-organismes (UMR 7245), Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS , CP 54, 57 rue Cuvier, 75005 Paris, France
| | - Alain Brunelle
- Institut de Chimie des Substances Naturelles, CNRS UPR2301, Université Paris-Sud, Université Paris-Saclay , Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Soizic Prado
- Unité Molécules de Communication et Adaptation des Micro-organismes (UMR 7245), Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS , CP 54, 57 rue Cuvier, 75005 Paris, France
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Martins I, Varela A, Frija LMT, Estevão MAS, Planchon S, Renaut J, Afonso CAM, Silva Pereira C. Proteomic Insights on the Metabolism of Penicillium janczewskii during the Biotransformation of the Plant Terpenoid Labdanolic Acid. Front Bioeng Biotechnol 2017; 5:45. [PMID: 28824907 PMCID: PMC5534450 DOI: 10.3389/fbioe.2017.00045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 07/10/2017] [Indexed: 01/24/2023] Open
Abstract
Plant terpenoids compose a natural source of chemodiversity of exceptional value. Many of these compounds own biological/pharmacological activity, others are regarded as unique chemical skeletons for the synthesis of derivatives with improved properties. Functional chemical modification of terpenoids through biotransformation frequently relies on the use of Ascomycota strains, but information on major cellular responses is still largely lacking. Penicillium janczewskii mediates a stereo-selective hydroxylation of labdanolic acid (LA)-terpenoid found abundantly in Cistus ladanifer-producing 3β-hydroxy-labdanolic acid with yields >90%. Herein, combined analyses of mycelial and extracellular differential proteomes demonstrated that the plant terpenoid increased stress responses, especially against oxidative stress (e.g., accumulation of superoxide dismutase) and apparently altered mitochondria functioning. One putative cytochrome P450 monooxygenase differentially accumulated in the secretome and the terpenoid bioconversion was inhibited in vivo in the presence of a P450 inhibitor. The stereo-selective hydroxylation of the plant terpenoid is likely mediated by P450 enzymes, yet its unequivocal identity remains unclear. To the best of our knowledge, this is the first time that proteomics was used to investigate how a plant terpenoid impacts the metabolism of a filamentous fungus during its efficiently biotransformation. Our findings may encourage the development of new strategies for the valorization of plant natural resources through biotechnology.
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Affiliation(s)
- Isabel Martins
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Oeiras, Portugal
| | - Adélia Varela
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Oeiras, Portugal
- Instituto Nacional Investigação Agrária e Veterinária, Oeiras, Portugal
| | - Luís M. T. Frija
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - Mónica A. S. Estevão
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - Sébastien Planchon
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Jenny Renaut
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Carlos A. M. Afonso
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal
| | - Cristina Silva Pereira
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Oeiras, Portugal
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Benavente P, Cárdenas-Lizana F, Keane MA. Selective production of carvacrol from carvone over supported Pd catalysts. CATAL COMMUN 2017. [DOI: 10.1016/j.catcom.2017.03.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Ly TTB, Schifrin A, Nguyen BD, Bernhardt R. Improvement of a P450-Based Recombinant Escherichia coli Whole-Cell System for the Production of Oxygenated Sesquiterpene Derivatives. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:3891-3899. [PMID: 28447451 DOI: 10.1021/acs.jafc.7b00792] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Sesquiterpenes are common constituents of essential oil in plants. Their oxygenated derivatives often possess desirable flavor, fragrance, and pharmaceutical properties. Recently, the CYP264B1-based recombinant Escherichia coli whole-cell system has been constructed for the oxidation of sesquiterpenes. However, limiting factors of this system related to the high volatility of substrates and the suitability of the P450 redox partner need to be addressed. In this work, the improvement of the system was implemented with (+)-α-longipinene as a model substrate. By using 2-hydroxypropyl-β-cyclodextrin and an alternative ferredoxin reductase, the conversion of (+)-α-longipinene was improved 77.1%. Applying the optimized conditions, the yields of the main products were 54.2, 34.2, and 47.2 mg L-1, corresponding to efficiencies of 82.1, 51.8, and 71.5% for the conversion of (+)-α-longipinene, (-)-isolongifolene, and α-humulene, respectively, at a 200 mL scale. These products were characterized as 12-hydroxy-α-longipinene, isolongifolene-9-one, and 5-hydroxy-α-humulene, respectively, by nuclear magnetic resonance spectroscopy.
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Affiliation(s)
- Thuy T B Ly
- Institute of Biotechnology, Vietnam Academy of Science and Technology (VAST) , 18-Hoang Quoc Viet, Hanoi, Vietnam
| | - Alexander Schifrin
- Institute of Biochemistry, Saarland University , D-66123 Saarbruecken, Germany
| | - Bach Duc Nguyen
- Department of Molecular Biology, Faculty of Biotechnology, Vietnam National University of Agriculture , Ngo Xuan Quang, Trau Quy, Gia Lam, Hanoi, Vietnam
| | - Rita Bernhardt
- Institute of Biochemistry, Saarland University , D-66123 Saarbruecken, Germany
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Fusarium species—a promising tool box for industrial biotechnology. Appl Microbiol Biotechnol 2017; 101:3493-3511. [DOI: 10.1007/s00253-017-8255-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 03/15/2017] [Accepted: 03/17/2017] [Indexed: 11/25/2022]
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