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Demkiv O, Gayda G, Stasyuk N, Moroz A, Serkiz R, Kausaite-Minkstimiene A, Gonchar M, Nisnevitch M. Flavocytochrome b2-Mediated Electroactive Nanoparticles for Developing Amperometric L-Lactate Biosensors. BIOSENSORS 2023; 13:587. [PMID: 37366952 DOI: 10.3390/bios13060587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/17/2023] [Accepted: 05/26/2023] [Indexed: 06/28/2023]
Abstract
L-Lactate is an indicator of food quality, so its monitoring is essential. Enzymes of L-Lactate metabolism are promising tools for this aim. We describe here some highly sensitive biosensors for L-Lactate determination which were developed using flavocytochrome b2 (Fcb2) as a bio-recognition element, and electroactive nanoparticles (NPs) for enzyme immobilization. The enzyme was isolated from cells of the thermotolerant yeast Ogataea polymorpha. The possibility of direct electron transfer from the reduced form of Fcb2 to graphite electrodes has been confirmed, and the amplification of the electrochemical communication between the immobilized Fcb2 and the electrode surface was demonstrated to be achieved using redox nanomediators, both bound and freely diffusing. The fabricated biosensors exhibited high sensitivity (up to 1436 A·M-1·m-2), fast responses, and low limits of detection. One of the most effective biosensors, which contained co-immobilized Fcb2 and the hexacyanoferrate of gold, having a sensitivity of 253 A·M-1·m-2 without freely diffusing redox mediators, was used for L-Lactate analysis in samples of yogurts. A high correlation was observed between the values of analyte content determined using the biosensor and referenced enzymatic-chemical photometric methods. The developed biosensors based on Fcb2-mediated electroactive nanoparticles can be promising for applications in laboratories of food control.
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Affiliation(s)
- Olha Demkiv
- Department of Analytical Biotechnology, Institute of Cell Biology National Academy of Sciences of Ukraine (ICB NASU), 14/16, Dragomanova Str., 79005 Lviv, Ukraine
| | - Galina Gayda
- Department of Analytical Biotechnology, Institute of Cell Biology National Academy of Sciences of Ukraine (ICB NASU), 14/16, Dragomanova Str., 79005 Lviv, Ukraine
| | - Nataliya Stasyuk
- Department of Analytical Biotechnology, Institute of Cell Biology National Academy of Sciences of Ukraine (ICB NASU), 14/16, Dragomanova Str., 79005 Lviv, Ukraine
| | - Anna Moroz
- Department of Analytical Biotechnology, Institute of Cell Biology National Academy of Sciences of Ukraine (ICB NASU), 14/16, Dragomanova Str., 79005 Lviv, Ukraine
| | - Roman Serkiz
- Department of Analytical Biotechnology, Institute of Cell Biology National Academy of Sciences of Ukraine (ICB NASU), 14/16, Dragomanova Str., 79005 Lviv, Ukraine
| | - Asta Kausaite-Minkstimiene
- NanoTechnas-Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
| | - Mykhailo Gonchar
- Department of Analytical Biotechnology, Institute of Cell Biology National Academy of Sciences of Ukraine (ICB NASU), 14/16, Dragomanova Str., 79005 Lviv, Ukraine
| | - Marina Nisnevitch
- Department of Chemical Engineering, Ariel University, Kyriat-ha-Mada, Ariel 4070000, Israel
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Bachar O, Cohen R, Meirovich MM, Cohen Y, Yehezkeli O. Biotic-abiotic hybrids for bioanalytics and biocatalysis. Curr Opin Biotechnol 2023; 81:102943. [PMID: 37116411 DOI: 10.1016/j.copbio.2023.102943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/09/2023] [Accepted: 03/18/2023] [Indexed: 04/30/2023]
Abstract
The advances in biotic-abiotic interfaced systems open new directions toward bioanalytics and biocatalysis applications. Conjugating the unique electronic and optic properties of nanoelements with the high selectivity and extraordinary catalytic abilities of biotic materials holds great promise to gain superior new features. Herein, we present a wide scope of biotic-abiotic research, with key examples for its utilization in bioanalytics applications as well as in biocatalysis. The described configurations feature methodologies that enable extending the known scientific toolbox to gain synergy. These new nanobiohybrids may contribute to major global challenges, for example, developing alternative energy utilization or new affordable biodiagnostics and therapeutics tools.
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Affiliation(s)
- Oren Bachar
- Faculty of Biotechnology and Food Engineering, Technion Israel Institute of Technology, Haifa, Israel
| | - Roy Cohen
- Faculty of Biotechnology and Food Engineering, Technion Israel Institute of Technology, Haifa, Israel
| | - Matan M Meirovich
- Faculty of Biotechnology and Food Engineering, Technion Israel Institute of Technology, Haifa, Israel
| | - Yifat Cohen
- Faculty of Biotechnology and Food Engineering, Technion Israel Institute of Technology, Haifa, Israel
| | - Omer Yehezkeli
- Faculty of Biotechnology and Food Engineering, Technion Israel Institute of Technology, Haifa, Israel; Russell Berrie Nanotechnology Institute, Technion - Israel Institute of Technology; The Nancy and Stephen Grand Technion Energy Program, Technion - Israel Institute of Technology.
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Yanagi K, Komatsu T, Fujikawa Y, Kojima H, Okabe T, Nagano T, Ueno T, Hanaoka K, Urano Y. Development of pathway-oriented screening to identify compounds to control 2-methylglyoxal metabolism in tumor cells. Commun Chem 2023; 6:68. [PMID: 37055561 PMCID: PMC10102174 DOI: 10.1038/s42004-023-00864-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 03/24/2023] [Indexed: 04/15/2023] Open
Abstract
Controlling tumor-specific alterations in metabolic pathways is a useful strategy for treating tumors. The glyoxalase pathway, which metabolizes the toxic electrophile 2-methylglyoxal (MG), is thought to contribute to tumor pathology. We developed a live cell-based high-throughput screening system that monitors the metabolism of MG to generate D-lactate by glyoxalase I and II (GLO1 and GLO2). It utilizes an extracellular coupled assay that uses D-lactate to generate NAD(P)H, which is detected by a selective fluorogenic probe designed to respond exclusively to extracellular NAD(P)H. This metabolic pathway-oriented screening is able to identify compounds that control MG metabolism in live cells, and we have discovered compounds that can directly or indirectly inhibit glyoxalase activities in small cell lung carcinoma cells.
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Affiliation(s)
- Kouichi Yanagi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Toru Komatsu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
| | - Yuuta Fujikawa
- School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji-shi, Tokyo, 192-0392, Japan
| | - Hirotatsu Kojima
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Takayoshi Okabe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Tetsuo Nagano
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
- Chugai Foundation for Innovative Drug Discover Science, 4-11-5 Nihonbashi Honcho, Chuo-ku, Tokyo, 103-0023, Japan
| | - Tasuku Ueno
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Kenjiro Hanaoka
- Graduate School of Pharmaceutical Sciences, Keio University, 1-5-30, Shiba-koen, Minato-ku, Tokyo, 105-8512, Japan
| | - Yasuteru Urano
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
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Boyarski A, Shlush N, Paz S, Eichler J, Alfonta L. Electrochemical characterization of a dual cytochrome-containing lactate dehydrogenase. Bioelectrochemistry 2023; 152:108406. [PMID: 36931144 DOI: 10.1016/j.bioelechem.2023.108406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/16/2023] [Accepted: 02/23/2023] [Indexed: 03/09/2023]
Abstract
Flavin-dependent L-lactate dehydrogenase (LDH) from baker's yeast (Saccharomyces cerevisiae) reversibly catalyzes the oxidation of L-lactate to L-pyruvate. In this study, four different enzymatic constructs were generated, and their catalytic and electrochemical properties were compared. Specifically, a truncated form of the native enzyme that includes only the catalytic domain, the native enzyme that includes an intrinsic electron-transferring cytochrome b2, a novel artificial enzyme containing a minimal cytochrome c and a version of the enzyme containing a fusion between two cytochromes were designed. All four variants were successfully expressed in Escherichia coli and presented properly matured heme domains. Assessing in vitro biocatalytic performance as reflected by lactate oxidation revealed the fusion-containing enzyme to be ∼ 12 times more active than the native enzyme. Electrochemical studies of electrode drop-casted enzyme variants also showed the superior performance of the dual-cytochrome construct, which displayed a lower average redox-potential for lactate oxidation, oxygen insensitivity in the lactate oxidation potential range and a wider dynamic range for lactate sensing, relative to the native enzyme. Moreover, product inhibition of this variant occurred at much higher lactate concentrations than with the native enzyme. In addition, when lower potentials were scanned using cyclic voltammetry, lactate-dependent oxygen reduction was measured for the dual-cytochrome fusion enzyme.
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Affiliation(s)
- Anastasya Boyarski
- Department of Chemistry, Ben-Gurion University of the Negev, P.O.Box 653, Beer-Sheva 8410501, Israel
| | - Noam Shlush
- Department of Life Sciences, Ben-Gurion University of the Negev, P.O.Box 653, Beer-Sheva 8410501, Israel
| | - Shiraz Paz
- Department of Life Sciences, Ben-Gurion University of the Negev, P.O.Box 653, Beer-Sheva 8410501, Israel
| | - Jerry Eichler
- Department of Life Sciences, Ben-Gurion University of the Negev, P.O.Box 653, Beer-Sheva 8410501, Israel
| | - Lital Alfonta
- Department of Chemistry, Ben-Gurion University of the Negev, P.O.Box 653, Beer-Sheva 8410501, Israel; Department of Life Sciences, Ben-Gurion University of the Negev, P.O.Box 653, Beer-Sheva 8410501, Israel.
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Smutok O, Kavetskyy T, Prokopiv T, Serkiz R, Šauša O, Novák I, Švajdlenková H, Maťko I, Gonchar M, Katz E. Biosensor Based on Peroxidase-Mimetic Nanozyme and Lactate Oxidase for Accurate L-Lactate Analysis in Beverages. BIOSENSORS 2022; 12:1042. [PMID: 36421160 PMCID: PMC9688602 DOI: 10.3390/bios12111042] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 06/16/2023]
Abstract
Precision analysis of the key biological metabolites such as L-lactate has great practical importance for many technological processes in food technology, including beverage production. Here we describe a new, highly selective, and sensitive biosensor for accurate L-lactate assay based on a combination of peroxidase-mimetic nanozymes with microbial lactate oxidase (LOx) immobilized onto the surface of a graphite-rod electrode (GE). The peroxidase-like nanozymes were synthesized using the debris of carbon microfibers (CFs) functionalized with hemin (H) and modified with gold nanoparticles (AuNPs) or platinum microparticles (PtMPs). The nanozyme formed with PtMPs as well as corresponding bioelectrodes based on it (LOx-CF-H-PtMPs/GE) is characterized by preferable catalytic and operational characteristics, so it was selected for the analysis of L-lactate content in real samples of grape must and red wine. The results of the L-lactate analysis obtained by the developed biosensors are highly correlated with a very selective spectrophotometric approach used as a reference. The developed biosensor, due to its high selectivity and sensitivity, is very prospective not only for the beverage industry and food technology, but also for clinical diagnostics and medicine, as well as in other applications where the accurate analysis of L-lactate is highly important.
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Affiliation(s)
- Oleh Smutok
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA
| | - Taras Kavetskyy
- Department of Biology and Chemistry, Drohobych Ivan Franko State Pedagogical University, 82100 Drohobych, Ukraine
- Department of Materials Engineering, The John Paul II Catholic University of Lublin, 20-950 Lublin, Poland
| | - Tetiana Prokopiv
- Institute of Cell Biology, National Academy of Sciences of Ukraine, 79005 Lviv, Ukraine
| | - Roman Serkiz
- Institute of Cell Biology, National Academy of Sciences of Ukraine, 79005 Lviv, Ukraine
| | - Ondrej Šauša
- Department of Nuclear Chemistry, Comenius University in Bratislava, 84215 Bratislava, Slovakia
- Institute of Physics, Slovak Academy of Sciences, 84511 Bratislava, Slovakia
| | - Ivan Novák
- Polymer Institute, Slovak Academy of Sciences, 84541 Bratislava, Slovakia
| | | | - Igor Maťko
- Institute of Physics, Slovak Academy of Sciences, 84511 Bratislava, Slovakia
| | - Mykhailo Gonchar
- Department of Biology and Chemistry, Drohobych Ivan Franko State Pedagogical University, 82100 Drohobych, Ukraine
- Institute of Cell Biology, National Academy of Sciences of Ukraine, 79005 Lviv, Ukraine
| | - Evgeny Katz
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA
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An Oxygen-Insensitive Biosensor and a Biofuel Cell Device based on FMN L-lactate Dehydrogenase. Bioelectrochemistry 2022; 149:108316. [DOI: 10.1016/j.bioelechem.2022.108316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 10/22/2022] [Accepted: 10/26/2022] [Indexed: 11/08/2022]
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