1
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Willett E, Banta S. Synthetic NAD(P)(H) Cycle for ATP Regeneration. ACS Synth Biol 2023. [PMID: 37369039 DOI: 10.1021/acssynbio.3c00172] [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: 06/29/2023]
Abstract
ATP is the energy currency of the cell and new methods for ATP regeneration will benefit a range of emerging biotechnology applications including synthetic cells. We designed and assembled a membraneless ATP-regenerating enzymatic cascade by exploiting the substrate specificities of selected NAD(P)(H)-dependent oxidoreductases combined with substrate-specific kinases. The enzymes in the NAD(P)(H) cycle were selected to avoid cross-reactions, and the cascade was driven by irreversible fuel oxidation. As a proof-of-concept, formate oxidation was chosen as the fueling reaction. ATP regeneration was accomplished via the phosphorylation of NADH to NADPH and the subsequent transfer of the phosphate to ADP by a reversible NAD+ kinase. The cascade was able to regenerate ATP at a high rate (up to 0.74 mmol/L/h) for hours, and >90% conversion of ADP to ATP using monophosphate was also demonstrated. The cascade was used to regenerate ATP for use in cell free protein synthesis reactions, and the ATP production rate was further enhanced when powered by the multistep oxidation of methanol. The NAD(P)(H) cycle provides a simple cascade for the in vitro regeneration of ATP without the need for a pH-gradient or costly phosphate donors.
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Affiliation(s)
- Emma Willett
- Department of Chemical Engineering, Columbia University, New York, New York 10027, United States
| | - Scott Banta
- Department of Chemical Engineering, Columbia University, New York, New York 10027, United States
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2
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Zhong J, Wu S, Chen WJ, Huang Y, Lei Q, Mishra S, Bhatt P, Chen S. Current insights into the microbial degradation of nicosulfuron: Strains, metabolic pathways, and molecular mechanisms. CHEMOSPHERE 2023; 326:138390. [PMID: 36935058 DOI: 10.1016/j.chemosphere.2023.138390] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 02/02/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Nicosulfuron is among the sulfonylurea herbicides that are widely used to control annual and perennial grass weeds in cornfields. However, nicosulfuron residues in the environment are likely to cause long-lasting harmful environmental and biological effects. Nicosulfuron degrades via photo-degradation, chemical hydrolysis, and microbial degradation. The latter is crucial for pesticide degradation and has become an essential strategy to remove nicosulfuron residues from the environment. Most previous studies have focused on the screening, degradation characteristics, and degradation pathways of biodegrader microorganisms. The isolated nicosulfuron-degrading strains include Bacillus, Pseudomonas, Klebsiella, Alcaligenes, Rhodopseudomonas, Ochrobactrum, Micrococcus, Serratia, Penicillium, Aspergillus, among others, all of which have good degradation efficiency. Two main intermediates, 2-amino-4,6-dimethoxypyrimidine (ADMP) and 2-aminosulfonyl-N,N-dimethylnicotinamide (ASDM), are produced during microbial degradation and are derived from the C-N, C-S, and S-N bond breaks on the sulfonylurea bridge, covering almost every bacterial degradation pathway. In addition, enzymes related to the degradation of nicosulfuron have been identified successively, including the manganese ABC transporter (hydrolase), Flavin-containing monooxygenase (oxidase), and E3 (esterase). Further in-depth studies based on molecular biology and genetics are needed to elaborate on their role in the evolution of novel catabolic pathways and the microbial degradation of nicosulfuron. To date, few reviews have focused on the microbial degradation and degradation mechanisms of nicosulfuron. This review summarizes recent advances in nicosulfuron degradation and comprehensively discusses the potential of nicosulfuron-degrading microorganisms for bioremediating contaminated environments, providing a reference for further research development on nicosulfuron biodegradation in the future.
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Affiliation(s)
- Jianfeng Zhong
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Siyi Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Wen-Juan Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Qiqi Lei
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, India
| | - Pankaj Bhatt
- Department of Agricultural & Biological Engineering, Purdue University, West Lafayette, 47906, USA.
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China.
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3
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Assembly of an improved hybrid cascade system for complete ethylene glycol oxidation: Enhanced catalytic performance for an enzymatic biofuel cell. Biosens Bioelectron 2022; 216:114649. [DOI: 10.1016/j.bios.2022.114649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 08/15/2022] [Accepted: 08/18/2022] [Indexed: 11/21/2022]
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4
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Enhanced thermostability of formate dehydrogenase via semi-rational design. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Antonio JGR, Franco JH, Almeida PZ, Polizeli MDLTM, Minteer SD, De Andrade A. Evaluation of TEMPO‐NH2 and Oxalate Oxidase Enzyme for Complete Ethylene Glycol Oxidation. ChemElectroChem 2022. [DOI: 10.1002/celc.202200181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jesimiel Glaycon Rodrigues Antonio
- University of Sao Paulo Campus of Ribeirao Preto: Universidade de Sao Paulo Campus de Ribeirao Preto Chemistry Avenida Bandeirantes 3900 14040901 Ribeirão Preto BRAZIL
| | - Jefferson Honorio Franco
- University of Sao Paulo Campus of Ribeirao Preto: Universidade de Sao Paulo Campus de Ribeirao Preto Chemistry Avenida Bandeirantes 3900 14040901 Ribeirão Preto BRAZIL
| | - Paula Zaghetto Almeida
- University of Sao Paulo Campus of Ribeirao Preto: Universidade de Sao Paulo Campus de Ribeirao Preto Biology Avenida Bandeirantes 3900 14040901 Ribeirão Preto BRAZIL
| | - Maria de Lourdes T. M. Polizeli
- University of Sao Paulo Campus of Ribeirao Preto: Universidade de Sao Paulo Campus de Ribeirao Preto Biology Avenida Bandeirantes 3900 14040901 Ribeirão Preto BRAZIL
| | | | - Adalgisa De Andrade
- University of São Paulo Chemistry Avenida Bandeirantes 3900 14040901 Ribeirão Preto BRAZIL
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6
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Li G, Wu Z, Xu C, Hu Z. Hybrid catalyst cascade for enhanced oxidation of glucose in glucose/air biofuel cell. Bioelectrochemistry 2021; 143:107983. [PMID: 34688196 DOI: 10.1016/j.bioelechem.2021.107983] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/07/2021] [Accepted: 10/13/2021] [Indexed: 02/08/2023]
Abstract
Redox enzymes are capable of harvesting electrical energy from biofuels in high catalytic activity and under mild condition. However, it is difficult to achieve efficient electron transfer and deep oxidation of biofuels simultaneously in a single-enzyme catalytic system. Herein, we report a hybrid catalyst cascade consisting of an organic oxidation catalyst, 2,2,6,6-tetramethyl-1-piperidine N-oxyl (TEMPO), and an enzyme, glucose oxidase (GOx), for electrochemical oxidation of glucose. It is found that TEMPO is capable of mediating electron transfer between the redox center of GOx and the electrode surface. While glucose can be oxidized into glucuronic acid under neutral conditions. Thus, combining GOx and TEMPO, we are able to achieve 4e- electrooxidation of glucose using the hybrid enzymatic and organic cascade (HEOC) system. When coupled with an air-breathing Pt cathode, the resulting glucose/air biofuel cell using the proposed HEOC anode exhibits a maximum power density of 38.1 μW cm-2 with a short-circuit current of 651.4 μA cm-2, which can be attributed to the enhanced energetic efficiency, enabling TEMPO a promising catalyst for glucose oxidation in bioelectronics applications.
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Affiliation(s)
- Gangyong Li
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China; Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Zongdong Wu
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Cuixing Xu
- Beijing Institute of Radiation Medicine, Beijing 100850, China; Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Zongqian Hu
- Beijing Institute of Radiation Medicine, Beijing 100850, China.
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7
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Lee YS, Lim K, Minteer SD. Cascaded Biocatalysis and Bioelectrocatalysis: Overview and Recent Advances. Annu Rev Phys Chem 2021; 72:467-488. [DOI: 10.1146/annurev-physchem-090519-050109] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Enzyme cascades are plentiful in nature, but they also have potential in artificial applications due to the possibility of using the target substrate in biofuel cells, electrosynthesis, and biosensors. Cascade reactions from enzymes or hybrid bioorganic catalyst systems exhibit extended substrate range, reaction depth, and increased overall performance. This review addresses the strategies of cascade biocatalysis and bioelectrocatalysis for ( a) CO2 fixation, ( b) high value-added product formation, ( c) sustainable energy sources via deep oxidation, and ( d) cascaded electrochemical enzymatic biosensors. These recent updates in the field provide fundamental concepts, designs of artificial electrocatalytic oxidation-reduction pathways (using a flexible setup involving organic catalysts and engineered enzymes), and advances in hybrid cascaded sensors for sensitive analyte detection.
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Affiliation(s)
- Yoo Seok Lee
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, USA
| | - Koun Lim
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, USA
| | - Shelley D. Minteer
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, USA
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8
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Franco JH, Grattieri M, de Andrade AR, Minteer SD. Unveiling complete lactate oxidation through a hybrid catalytic cascade. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138044] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Ethanol Biofuel Cells: Hybrid Catalytic Cascades as a Tool for Biosensor Devices. BIOSENSORS-BASEL 2021; 11:bios11020041. [PMID: 33557146 PMCID: PMC7913944 DOI: 10.3390/bios11020041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 01/30/2021] [Accepted: 02/01/2021] [Indexed: 12/02/2022]
Abstract
Biofuel cells use chemical reactions and biological catalysts (enzymes or microorganisms) to produce electrical energy, providing clean and renewable energy. Enzymatic biofuel cells (EBFCs) have promising characteristics and potential applications as an alternative energy source for low-power electronic devices. Over the last decade, researchers have focused on enhancing the electrocatalytic activity of biosystems and on increasing energy generation and electronic conductivity. Self-powered biosensors can use EBFCs while eliminating the need for an external power source. This review details improvements in EBFC and catalyst arrangements that will help to achieve complete substrate oxidation and to increase the number of collected electrons. It also describes how analytical techniques can be employed to follow the intermediates between the enzymes within the enzymatic cascade. We aim to demonstrate how a high-performance self-powered sensor design based on EBFCs developed for ethanol detection can be adapted and implemented in power devices for biosensing applications.
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10
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Anson CW, Stahl SS. Mediated Fuel Cells: Soluble Redox Mediators and Their Applications to Electrochemical Reduction of O 2 and Oxidation of H 2, Alcohols, Biomass, and Complex Fuels. Chem Rev 2020; 120:3749-3786. [PMID: 32216295 PMCID: PMC7357856 DOI: 10.1021/acs.chemrev.9b00717] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mediated fuel cells are electrochemical devices that produce power in a manner similar to that of conventional proton exchange membrane fuel cells (PEMFCs). They differ from PEMFCs in their use of redox mediators dissolved in liquid electrolyte to conduct oxidation of the fuel or reduction of the oxidant, typically O2, in bulk solution. The mediators transport electrons (and often protons) between the electrode and the catalysts or chemical reagents in solution. This strategy can help overcome many of the challenges associated with conventional fuel cells, including managing complex multiphase reactions (as in O2 reduction) or the use of challenging or heterogeneous fuels, such as hydrocarbons, polyols, and biomass. Mediators are also commonly used in enzymatic fuel cells, where direct electron transfer from the electrode to the enzymatic active site can be slow. This review provides a comprehensive survey of historical and recent mediated fuel cell efforts, including applications using chemical and enzymatic catalysts.
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Affiliation(s)
- Colin W. Anson
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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11
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Franco JH, Klunder KJ, Lee J, Russell V, de Andrade AR, Minteer SD. Enhanced electrochemical oxidation of ethanol using a hybrid catalyst cascade architecture containing pyrene-TEMPO, oxalate decarboxylase and carboxylated multi-walled carbon nanotube. Biosens Bioelectron 2020; 154:112077. [PMID: 32093895 DOI: 10.1016/j.bios.2020.112077] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 12/20/2022]
Abstract
The work presented herein demonstrates a hybrid bi-catalytic architecture for the complete electrochemical oxidation of ethanol. The new catalytic system contains pyrene-TEMPO (TEMPO = 2,2,6,6-tetramethylpiperidinyl-N-oxyl) immobilized on the surface of carboxylated multi-walled carbon nanotubes (MWCNT-COOH), and oxalate decarboxylase enzyme (OxDc) immobilized onto a carbon cloth electrode. Electrolysis revealed a stable amperometric curve and an excellent current density value over a duration of 10 h. In addition, the hybrid system immobilized on the carbon electrode exhibits outstanding stability after electrolysis. Nuclear magnetic resonance (NMR) and gas chromatography (GC) demonstrate that the hybrid electrode system is able to oxidize ethanol to CO2 after 10 h of electrolysis. Overall, this study illustrates the enhancement of an enzymatic biofuel cell through the hybrid multi-catalytic systems, which exhibit high oxidation rates for all substrates involved in complete ethanol oxidation, enabling the collection of up to 12 electrons per molecule of ethanol.
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Affiliation(s)
- Jefferson Honorio Franco
- Department of Chemistry, Faculty of Philosophy Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901, Ribeirão Preto, SP, Brazil; Department of Chemistry, University of Utah, Salt Lake City, UT, 84112, United States
| | - Kevin J Klunder
- Department of Chemistry, University of Utah, Salt Lake City, UT, 84112, United States
| | - Jack Lee
- Department of Chemistry, University of Utah, Salt Lake City, UT, 84112, United States
| | - Victoria Russell
- Department of Chemistry, University of Utah, Salt Lake City, UT, 84112, United States
| | - Adalgisa R de Andrade
- Department of Chemistry, Faculty of Philosophy Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901, Ribeirão Preto, SP, Brazil.
| | - Shelley D Minteer
- Department of Chemistry, University of Utah, Salt Lake City, UT, 84112, United States.
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12
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Zhang Z, Yang D, Wang J, Huo J, Zhang J. Studies on the interactions between nicosulfuron and degradation enzymes. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.11.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Affiliation(s)
- Kenji KANO
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University
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14
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Ji L, Fu X, Wang M, Xu C, Chen G, Song F, Guo S, Zhang Q. Enzyme cocktail containing NADH regeneration system for efficient bioremediation of oil sludge contamination. CHEMOSPHERE 2019; 233:132-139. [PMID: 31170583 DOI: 10.1016/j.chemosphere.2019.05.253] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 06/09/2023]
Abstract
Oil sludge is one kind of toxic and persistent contamination to ecology system from petroleum industry. In order to recycle contaminated sands and reduce environmental impacts at a lower operating cost, enzyme cocktail 21/CbFDH including NADH regeneration system for oily sludge bioremediation was constructed for the first time. The intracellular enzymes of oil-degrading strain Acinetobacter calcoaceticus 21 were prepared and the formate dehydrogenase gene Cbfdh from Candida boidinii was cloned and functionally expressed in E.coli BL21 induced by lactose. The activity and stability of CbFDH was enhanced through self-induction medium optimization using Box-Behnken design. The CbFDH activity was 12.2 times increased and was only decreased 3.9% upon storage at 30 °C for 5 d. The CbFDH increased the degradation rate of oil in high concentration. For the sludge with 10% oil (w/w), the degradation rate achieved 35.6% after 12 h using enzyme 21/CbFDH with the protein ratio of 1:4. The results will provide novel perspectives for creation and operation of petroleum-degrading enzymes involving formate dehydrogenase with higher efficiency and lower cost comparing to current microbial strains or consortium.
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Affiliation(s)
- Lei Ji
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103, PR China.
| | - Xiaowen Fu
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103, PR China
| | - Mutian Wang
- School of Science and Enterprise and Research Centre, Institute of Technology Carlow, Carlow, 00353, Ireland
| | - Chang Xu
- Rubenstein School of Environment and Natural Resources, University of Vermont, Burlington, 05405, USA
| | - Guanhong Chen
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103, PR China
| | - Fanyong Song
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103, PR China
| | - Shuhai Guo
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103, PR China
| | - Qiang Zhang
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103, PR China.
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15
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Franco JH, de Almeida PZ, Abdellaoui S, Hickey DP, Ciancaglini P, de Lourdes T M Polizeli M, Minteer SD, de Andrade AR. Bioinspired architecture of a hybrid bifunctional enzymatic/organic electrocatalyst for complete ethanol oxidation. Bioelectrochemistry 2019; 130:107331. [PMID: 31349191 DOI: 10.1016/j.bioelechem.2019.107331] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 07/12/2019] [Accepted: 07/12/2019] [Indexed: 11/24/2022]
Abstract
Electrochemical ethanol oxidation was performed at an innovative hybrid architecture electrode containing TEMPO-modified linear poly(ethylenimine) (LPEI) and oxalate oxidase (OxOx) immobilized on carboxylated multi-walled carbon nanotubes (MWCNT-COOH). On the basis of chromatographic results, the catalytic hybrid electrode system completely oxidized ethanol to CO2 after 12 h of electrolysis. The fact that the developed system can catalyze ethanol electrooxidation at a carbon electrode confirms that organic oxidation catalysts combined with enzymatic catalysts allow up to 12 electrons to be collected per fuel molecule. The Faradaic efficiency of the hybrid system investigated herein lies above 87%. The combination of OxOx with TEMPO-LPEI to obtain a novel hybrid anode to oxidize ethanol to carbon dioxide constitutes a simple methodology with useful application in the development of enzymatic biofuel cells.
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Affiliation(s)
- Jefferson Honorio Franco
- Department of Chemistry, Faculty of Philosophy Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Paula Zaghetto de Almeida
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Sofiene Abdellaoui
- Departments of Chemistry and Materials Science and Engineering, University of Utah, Salt Lake City, UT 84112, United States of America
| | - David P Hickey
- Departments of Chemistry and Materials Science and Engineering, University of Utah, Salt Lake City, UT 84112, United States of America
| | - Pietro Ciancaglini
- Department of Chemistry, Faculty of Philosophy Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Maria de Lourdes T M Polizeli
- Department of Biology, Faculty of Philosophy Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Shelley D Minteer
- Departments of Chemistry and Materials Science and Engineering, University of Utah, Salt Lake City, UT 84112, United States of America
| | - Adalgisa R de Andrade
- Department of Chemistry, Faculty of Philosophy Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901 Ribeirão Preto, SP, Brazil.
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16
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Asset T, Garcia ST, Herrera S, Andersen N, Chen Y, Peterson EJ, Matanovic I, Artyushkova K, Lee J, Minteer SD, Dai S, Pan X, Chavan K, Calabrese Barton S, Atanassov P. Investigating the Nature of the Active Sites for the CO2 Reduction Reaction on Carbon-Based Electrocatalysts. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01513] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Tristan Asset
- Department of Chemical & Biomolecular Engineering, National Fuel Cell Research Center (NFCRC), University of California, Irvine, California 92697, United States
| | - Samuel T. Garcia
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Sergio Herrera
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Nalin Andersen
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Yechuan Chen
- Department of Chemical & Biomolecular Engineering, National Fuel Cell Research Center (NFCRC), University of California, Irvine, California 92697, United States
| | - Eric J. Peterson
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Ivana Matanovic
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Kateryna Artyushkova
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Jack Lee
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Shelley D. Minteer
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Sheng Dai
- Department of Materials Science & Engineering, Irvine Materials Research Institute (IMRI), University of California, Irvine, California 92697, United States
| | - Xiaoqing Pan
- Department of Materials Science & Engineering, Irvine Materials Research Institute (IMRI), University of California, Irvine, California 92697, United States
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
- Irvine Materials Research Institute (IMRI), University of California, Irvine, California 92697, United States
| | - Kanchan Chavan
- Department of Chemical & Materials Engineering, Michigan State University, East Lansing, Michigan 48824, United States
| | - Scott Calabrese Barton
- Department of Chemical & Materials Engineering, Michigan State University, East Lansing, Michigan 48824, United States
| | - Plamen Atanassov
- Department of Chemical & Biomolecular Engineering, National Fuel Cell Research Center (NFCRC), University of California, Irvine, California 92697, United States
- Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, New Mexico 87131, United States
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17
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Electrometabolic Pathways: Recent Developments in Bioelectrocatalytic Cascades. Top Curr Chem (Cham) 2018; 376:43. [DOI: 10.1007/s41061-018-0221-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 10/25/2018] [Indexed: 12/29/2022]
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18
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Ing NL, El-Naggar MY, Hochbaum AI. Going the Distance: Long-Range Conductivity in Protein and Peptide Bioelectronic Materials. J Phys Chem B 2018; 122:10403-10423. [DOI: 10.1021/acs.jpcb.8b07431] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Kurt-Gür G, Ordu E. Characterization of a novel thermotolerant NAD +-dependent formate dehydrogenase from hot climate plant cotton ( Gossypium hirsutum L.). 3 Biotech 2018; 8:175. [PMID: 29556429 PMCID: PMC5845482 DOI: 10.1007/s13205-018-1200-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 03/05/2018] [Indexed: 11/26/2022] Open
Abstract
NAD+-dependent formate dehydrogenases (FDH, EC 1.2.1.2), providing energy to the cell in methylotrophic microorganisms, are stress proteins in higher plants and the level of FDH expression increases under several abiotic and biotic stress conditions. They are biotechnologically important enzymes in NAD(P)H regeneration as well as CO2 reduction. Here, the truncated form of the Gossypium hirsutum fdh1 cDNA was cloned into pQE-2 vector, and overexpressed in Escherichia coli DH5α-T1 cells. Recombinant GhFDH1 was purified 26.3-fold with a yield of 87.3%. Optimum activity was observed at pH 7.0, when substrate is formate. Kinetic analyses suggest that GhFDH1 has considerably high affinity to formate (0.76 ± 0.07 mM) and NAD+ (0.06 ± 0.01 mM). At the same time, the affinity (1.98 ± 0.4 mM) and catalytic efficiency (0.0041) values of the enzyme for NADP+ show that GhFDH1 is a valuable enzyme for protein engineering studies that is trying to change the coenzyme preference from NAD to NADP which has a much higher cost than that of NAD. Improving the NADP specificity is important for NADPH regeneration which is an important coenzyme used in many biotechnological production processes. The Tm value of GhFDH1 is 53.3 °C and the highest enzyme activity is measured at 30 °C with a half-life of 61 h. Whilst further improvements are still required, the obtained results show that GhFDH1 is a promising enzyme for NAD(P)H regeneration for its prominent thermostability and NADP+ specificity.
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Affiliation(s)
- Günseli Kurt-Gür
- Yildiz Technical University, Faculty of Art and Science, Department of Molecular Biology and Genetics, Davutpasa Campus Esenler, 34220 Istanbul, Turkey
| | - Emel Ordu
- Yildiz Technical University, Faculty of Art and Science, Department of Molecular Biology and Genetics, Davutpasa Campus Esenler, 34220 Istanbul, Turkey
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Lancaster L, Hickey DP, Sigman MS, Minteer SD, Wheeldon I. Bioinspired design of a hybrid bifunctional enzymatic/organic electrocatalyst for site selective alcohol oxidation. Chem Commun (Camb) 2018; 54:491-494. [DOI: 10.1039/c7cc08548f] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
TEMPO and AdhD were chemically conjugated into a bifunctional catalyst that selectively oxidizes primary and secondary alcohols.
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Affiliation(s)
- Louis Lancaster
- Department of Chemical and Environmental Engineering
- University of California, Riverside
- Riverside
- USA
| | | | | | - Shelley D. Minteer
- Department of Chemistry
- University of Utah
- Salt Lake City
- USA
- Department of Materials Science and Engineering
| | - Ian Wheeldon
- Department of Chemical and Environmental Engineering
- University of California, Riverside
- Riverside
- USA
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Quah T, Milton RD, Abdellaoui S, Minteer SD. Bioelectrocatalytic NAD+/NADH inter-conversion: transformation of an enzymatic fuel cell into an enzymatic redox flow battery. Chem Commun (Camb) 2017; 53:8411-8414. [DOI: 10.1039/c7cc03842a] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diaphorase and a benzylpropylviologen redox polymer were combined to create a bioelectrode that can both oxidize NADH and reduce NAD+.
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Affiliation(s)
- Timothy Quah
- Department of Chemistry
- University of Utah
- Salt Lake City
- USA
| | - Ross D. Milton
- Department of Chemistry
- University of Utah
- Salt Lake City
- USA
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