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Abbasi R, Hu X, Zhang A, Dummer I, Wachsmann-Hogiu S. Optical Image Sensors for Smart Analytical Chemiluminescence Biosensors. Bioengineering (Basel) 2024; 11:912. [PMID: 39329654 PMCID: PMC11428294 DOI: 10.3390/bioengineering11090912] [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: 07/22/2024] [Revised: 09/05/2024] [Accepted: 09/07/2024] [Indexed: 09/28/2024] Open
Abstract
Optical biosensors have emerged as a powerful tool in analytical biochemistry, offering high sensitivity and specificity in the detection of various biomolecules. This article explores the advancements in the integration of optical biosensors with microfluidic technologies, creating lab-on-a-chip (LOC) platforms that enable rapid, efficient, and miniaturized analysis at the point of need. These LOC platforms leverage optical phenomena such as chemiluminescence and electrochemiluminescence to achieve real-time detection and quantification of analytes, making them ideal for applications in medical diagnostics, environmental monitoring, and food safety. Various optical detectors used for detecting chemiluminescence are reviewed, including single-point detectors such as photomultiplier tubes (PMT) and avalanche photodiodes (APD), and pixelated detectors such as charge-coupled devices (CCD) and complementary metal-oxide-semiconductor (CMOS) sensors. A significant advancement discussed in this review is the integration of optical biosensors with pixelated image sensors, particularly CMOS image sensors. These sensors provide numerous advantages over traditional single-point detectors, including high-resolution imaging, spatially resolved measurements, and the ability to simultaneously detect multiple analytes. Their compact size, low power consumption, and cost-effectiveness further enhance their suitability for portable and point-of-care diagnostic devices. In the future, the integration of machine learning algorithms with these technologies promises to enhance data analysis and interpretation, driving the development of more sophisticated, efficient, and accessible diagnostic tools for diverse applications.
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Affiliation(s)
| | | | | | | | - Sebastian Wachsmann-Hogiu
- Department of Bioengineering, McGill University, Montreal, QC H3A 0E9, Canada; (R.A.); (X.H.); (A.Z.); (I.D.)
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2
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Salehian M, Emamzadeh R, Nazari M. Exploring the Potential of Arginine to Increase Coelenterazine-Renilla Luciferase Affinity and Enzyme Stability: Kinetic and Molecular Dynamics Studies. Protein J 2024; 43:739-750. [PMID: 38824468 DOI: 10.1007/s10930-024-10208-x] [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] [Accepted: 05/18/2024] [Indexed: 06/03/2024]
Abstract
Renilla luciferase catalyzes the oxidation of coelenterazine to coelenteramide and results in the emission of a photon of light. Although Renilla luciferase has various applications in biotechnology, its low thermal stability limits the development of its applications. Arginine is a well-known stabilizing amino acid that plays a key role in protein stabilization against inactivation. However, its impact on enzyme properties is unpredictable. This study investigates the impact of arginine on the kinetics and thermal stability of Renilla luciferase. The enzyme's performance was significantly enhanced in the presence of arginine, with catalytic efficiency increasing by 3.31-fold and 3.08-fold when exposed to 0.2 M and 0.3 M arginine, respectively. Additionally, arginine improved the thermal stability of Renilla luciferase. Molecular dynamics simulation showed that the addition of 0.2 M arginine reduced the binding of coelenteramide, the reaction product and an enzyme inhibitor, to the active site of the Renilla luciferase. Therefore, the release of the product was accelerated, and the affinity of Renilla luciferase for coelenterazine increased. Furthermore, Molecular dynamics studies indicated an increased network of water molecules surrounding Renilla luciferase in the presence of 0.2 M arginine. This network potentially enhances the hydrophobic effect on the protein structure, ultimately improving enzyme stability. The findings of this study hold promise for the development of commercial kits incorporating Renilla luciferase.
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Affiliation(s)
- Maryam Salehian
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Rahman Emamzadeh
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran.
| | - Mahboobeh Nazari
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran
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3
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Affiliation(s)
- Vadim R Viviani
- Department of Physics, Chemistry and Mathematics (DFQM), Center for Sustainable Sciences and Technologies (CCTS), Federal University of São Carlos (UFSCar), Sorocaba, São Paulo, Brazil.
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4
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Siniakova TS, Raikov AV, Kudryasheva NS. Water-Soluble Polymer Polyethylene Glycol: Effect on the Bioluminescent Reaction of the Marine Coelenterate Obelia and Coelenteramide-Containing Fluorescent Protein. Int J Mol Sci 2023; 24:ijms24076345. [PMID: 37047313 PMCID: PMC10094403 DOI: 10.3390/ijms24076345] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023] Open
Abstract
The current paper considers the effects of a water-soluble polymer (polyethylene glycol (PEG)) on the bioluminescent reaction of the photoprotein obelin from the marine coelenterate Obelia longissima and the product of this bioluminescent reaction: a coelenteramide-containing fluorescent protein (CCFP). We varied PEG concentrations (0–1.44 mg/mL) and molecular weights (1000, 8000, and 35,000 a.u.). The presence of PEG significantly increased the bioluminescent intensity of obelin but decreased the photoluminescence intensity of CCFP; the effects did not depend on the PEG concentration or the molecular weight. The photoluminescence spectra of CCFP did not change, while the bioluminescence spectra changed in the course of the bioluminescent reaction. The changes can be explained by different rigidity of the media in the polymer solutions affecting the stability of the photoprotein complex and the efficiency of the proton transfer in the bioluminescent reaction. The results predict and explain the change in the luminescence intensity and color of the marine coelenterates in the presence of water-soluble polymers. The CCFP appeared to be a proper tool for the toxicity monitoring of water-soluble polymers (e.g., PEGs).
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Affiliation(s)
| | - Alexander V. Raikov
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia
| | - Nadezhda S. Kudryasheva
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia
- Institute of Biophysics SB RAS, FRC KSC SB RAS, 660036 Krasnoyarsk, Russia
- Correspondence: n ; Tel.: +7-391-249-42-42
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5
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Shu G, Zhao H, Zhang X. Persistent luminescent metal-organic framework nanocomposite enables autofluorescence-free dual modal imaging-guided drug delivery. Biomater Sci 2023; 11:1797-1809. [PMID: 36655655 DOI: 10.1039/d2bm01920e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Molecular imaging-guided therapy was essential for realizing precise cancer intervention, while designing an imaging platform to achieve autofluorescence-free imaging for dual modal imaging-guided drug delivery remains a challenge. Near-infrared persistent luminescence nanoparticles (NIR PLNPs) were promising for tumor imaging due to no background interference from the tissue. Herein, a persistent luminescent metal-organic framework (PLNPs@MIL-100(Fe)) is prepared via a layer-by-layer method for dual-modal imaging-guided drug delivery. The PLNPs@MIL-100(Fe) exhibit NIR persistent luminescence emitting and T2-weighted signal, achieving precise in vivo dual-modal imaging of tumor-bearing mice by providing high spatial resolution MR imaging and autofluorescence-free NIR imaging. The porous MIL-100(Fe) shell provides PLNPs@MIL-100(Fe) with up to 87.1% drug loading capacity and acid-triggered drug release for drug delivery. We envision that the proposed PLNPs@MIL-100(Fe) platform would provide an effective approach for precise tumor imaging and versatile drug delivery.
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Affiliation(s)
- Gang Shu
- Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin 300211, China.
| | - Huaixin Zhao
- Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300350, P.R. China.
| | - Xuening Zhang
- Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin 300211, China.
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6
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Kolesnik OV, Rozhko TV, Kudryasheva NS. Marine Bacteria under Low-Intensity Radioactive Exposure: Model Experiments. Int J Mol Sci 2022; 24:ijms24010410. [PMID: 36613854 PMCID: PMC9820739 DOI: 10.3390/ijms24010410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 12/28/2022] Open
Abstract
Radioactive contaminants create problems all over world, involving marine ecosystems, with their ecological importance increasing in the future. The review focuses on bioeffects of a series of alpha and beta emitting radioisotopes (americium-241, uranium-(235 + 238), thorium-232, and tritium) and gamma radiation. Low-intensity exposures are under special consideration. Great attention has been paid to luminous marine bacteria as representatives of marine microorganisms and a conventional bioassay system. This bioassay uses bacterial bioluminescence intensity as the main testing physiological parameter; currently, it is widely applied due to its simplicity and sensitivity. Dependences of the bacterial luminescence response on the exposure time and irradiation intensity were reviewed, and applicability of hormetic or threshold models was discussed. A number of aspects of molecular intracellular processes under exposure to low-intensity radiation were analyzed: (a) changes in the rates of enzymatic processes in bacteria with the bioluminescent system of coupled enzymatic reactions of NADH:FMN-oxidoreductase and bacterial luciferase taken as an example; (b) consumption of an intracellular reducer, NADH; (c) active role of reactive oxygen species; (d) repairing of the DNA damage. The results presented confirm the function of humic substances as natural radioprotectors.
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Affiliation(s)
- Olga V. Kolesnik
- Institute of Biophysics SB RAS, Federal Research Center ‘Krasnoyarsk Science Center SB RAS’, 660036 Krasnoyarsk, Russia
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia
| | - Tatiana V. Rozhko
- FSBEI HE V.F. Voino-Yasenetsky KrasSMU MOH, 660022 Krasnoyarsk, Russia
| | - Nadezhda S. Kudryasheva
- Institute of Biophysics SB RAS, Federal Research Center ‘Krasnoyarsk Science Center SB RAS’, 660036 Krasnoyarsk, Russia
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia
- Correspondence:
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7
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Martínez-Pérez-Cejuela H, Gregucci D, Calabretta MM, Simó-Alfonso EF, Herrero-Martínez JM, Michelini E. Novel Nanozeolitic Imidazolate Framework (ZIF-8)-Luciferase Biocomposite for Nanosensing Applications. Anal Chem 2022; 95:2540-2547. [PMID: 36473148 PMCID: PMC9893222 DOI: 10.1021/acs.analchem.2c05001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The identification of new strategies to improve the stability of proteins is of utmost importance for a number of applications, from biosensing to biocatalysis. Metal-organic frameworks (MOFs) have been shown as a versatile host platform for the immobilization of proteins, with the potential to protect proteins in harsh conditions. In this work, a new thermostable luciferase mutant has been selected as a bioluminescent protein model to investigate the suitability of MOFs to improve its stability and prompt its applications in real-world applications, for example, ATP detection in portable systems. The luciferase has been immobilized onto zeolitic imidazolate framework-8 (ZIF-8) to obtain a bioluminescent biocomposite with enhanced performance. The biocomposite ZIF-8@luc has been characterized in harsh conditions (e.g., high temperature, non-native pH, etc.). Bioluminescence properties confirmed that MOF enhanced the luciferase stability at acidic pH, in the presence of organic solvents, and at -20 °C. To assess the feasibility of this approach, the recyclability, storage stability, precision, and Michaelis-Menten constants (Km) for ATP and d-luciferin have been also evaluated. As a proof of principle, the suitability for ATP detection was investigated and the biocomposite outperformed the free enzyme in the same experimental conditions, achieving a limit of detection for ATP down to 0.2 fmol.
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Affiliation(s)
- Héctor Martínez-Pérez-Cejuela
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy,Department
of Analytical Chemistry, University of Valencia, C/Dr. Moliner, 50, 46100 Burjassot, Valencia, Spain
| | - Denise Gregucci
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy,Center
for Applied Biomedical Research (CRBA), Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi, 40138 Bologna, Italy
| | - Maria Maddalena Calabretta
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy,Center
for Applied Biomedical Research (CRBA), Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi, 40138 Bologna, Italy
| | | | | | - Elisa Michelini
- Department
of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy,Center
for Applied Biomedical Research (CRBA), Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi, 40138 Bologna, Italy,Health
Sciences and Technologies Interdepartmental Center for Industrial
Research (HSTICIR), University of Bologna, 40126 Bologna, Italy,. Tel: +39 051 20 9 9533
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8
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Kang MS, Xin Khoo JY, Jia Z, Loh TP. Development of catalyst-free carbon-sulfur bond formation reactions under aqueous media and their applications. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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9
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Polyakova GG, Senashova VA, Podolyak NM, Kolovskaya AV, Kudryasheva NS. Assessment of air toxicity in the megalopolis of Krasnoyarsk using long-term monitoring of suburban pine forests. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2022. [PMID: 36039800 DOI: 10.1002/ieam.4675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 08/08/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
The present study develops the application of suburban forests as bioindicators, with the industrial metropolis of Krasnoyarsk (Central Siberia, Russia) taken as an example. Huge forests, such as those found in large Siberian territories, are climate-forming for the entire planet. Hence, their conservation is essential at both the local and global scales. During the period 2002-2021, the vigor state of two pine forests was evaluated using several inventory and morphological parameters: needle damage, deterioration in tree condition, increased entropy, and tree mortality. Additionally, an original bioindication parameter was applied: episodic increase in the size of needles was analyzed. We hypothesized that this increase in needle size was related to the activation of tree protection at the initial stage of tree damage; the mechanism assumes a redirection of sugar transport into the crown to aid tree regeneration. All parameters were measured annually on six permanent sample plots; each plot included 200-300 numbered trees of similar age (approximately 60-80 years). The long-term parameter changes were analyzed and attributed to chronic exposure to industrial air pollution. Significant changes in pine-forest parameters observed over the past few years (2019-2021) may indicate an approaching stage of irreversible toxic damage that is the destruction of the entire forest system. The results encourage involving forest-based bioindication in the regional system of ecological monitoring. Forest-based bioindication can be used as a tool for evaluating the efficiency of long-term governmental activity on air quality in industrial metropolises. Integr Environ Assess Manag 2022;00:1-8. © 2022 SETAC.
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Affiliation(s)
- Galina G Polyakova
- Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
| | - Vera A Senashova
- Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
| | - Natalia M Podolyak
- Non-State Educational Institution of Higher Professional Education Siberian Institute of Business, Management and Psychology, Krasnoyarsk, Russia
| | | | - Nadezhda S Kudryasheva
- Siberian Federal University, Krasnoyarsk, Russia
- Institute of Biophysics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
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10
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Adaptation of a Bacterial Bioluminescent Assay to Monitor Bioeffects of Gold Nanoparticles. Bioengineering (Basel) 2022; 9:bioengineering9020061. [PMID: 35200414 PMCID: PMC8868574 DOI: 10.3390/bioengineering9020061] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/27/2022] [Accepted: 01/30/2022] [Indexed: 11/16/2022] Open
Abstract
Our current study aimed to adapt a bioluminescent bacteria-based bioassay to monitor the bioeffects of gold nanoparticles (AuNPs). Luminous marine bacteria Photobacterium phosphoreum and AuNPs modified with polyvinylpyrrolidone were employed; low-concentration (≤10−3 g/L) bioeffects of AuNPs were studied. Bioluminescence intensity was used as an indicator of physiological activity in bacteria. Two additional methods were used: reactive oxygen species (ROS) content was estimated with a chemiluminescent luminol method, and bacterial size was monitored using electron microscopy. The bacterial bioluminescent response to AuNPs corresponded to the “hormesis” model and involved time-dependent bioluminescence activation, as well as a pronounced increase in the number of enlarged bacteria. We found negative correlations between the time courses of bioluminescence and the ROS content in bacterial suspensions, demonstrating the relationship between bioluminescence activation and bacterial ROS consumption. The combined effects of AuNPs and a beta-emitting radionuclide, tritium, revealed suppression of bacterial bioluminescent activity (as compared to their individual effects) and a reduced percentage of enlarged bacteria. Therefore, we demonstrated that our bacteria-based bioluminescence assay is an appropriate tool to study the bioeffects of AuNPs; the bioeffects can be further classified within a unified framework for rapid bioassessment.
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11
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Kolesnik OV, Rozhko TV, Lapina MA, Solovyev VS, Sachkova AS, Kudryasheva NS. Development of Cellular and Enzymatic Bioluminescent Assay Systems to Study Low-Dose Effects of Thorium. Bioengineering (Basel) 2021; 8:194. [PMID: 34940347 PMCID: PMC8698266 DOI: 10.3390/bioengineering8120194] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/20/2021] [Accepted: 11/24/2021] [Indexed: 02/06/2023] Open
Abstract
Thorium is one of the most widespread radioactive elements in natural ecosystems, along with uranium, it is the most important source of nuclear energy. However, the effects of thorium on living organisms have not been thoroughly studied. Marine luminescent bacteria and their enzymes are optimal bioassays for studying low-dose thorium exposures. Luminescent bioassays provide a quantitative measure of toxicity and are characterized by high rates, sensitivity, and simplicity. It is known that the metabolic activity of bacteria is associated with the production of reactive oxygen species (ROS). We studied the effects of thorium-232 (10-11-10-3 M) on Photobacterium phosphoreum and bacterial enzymatic reactions; kinetics of bacterial bioluminescence and ROS content were investigated in both systems. Bioluminescence activation was revealed under low-dose exposures (<0.1 Gy) and discussed in terms of "radiation hormesis". The activation was accompanied by an intensification of the oxidation of a low-molecular reducer, NADH, during the enzymatic processes. Negative correlations were found between the intensity of bioluminescence and the content of ROS in bacteria and enzyme systems; an active role of ROS in the low-dose activation by thorium was discussed. The results contribute to radioecological potential of bioluminescence techniques adapted to study low-intensity radioactive exposures.
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Affiliation(s)
- Olga V. Kolesnik
- Federal Research Center ‘Krasnoyarsk Science Center SB RAS’, Institute of Biophysics SB RAS, 660036 Krasnoyarsk, Russia;
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia;
| | | | - Maria A. Lapina
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia;
| | - Vladislav S. Solovyev
- National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (V.S.S.); (A.S.S.)
| | - Anna S. Sachkova
- National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (V.S.S.); (A.S.S.)
| | - Nadezhda S. Kudryasheva
- Federal Research Center ‘Krasnoyarsk Science Center SB RAS’, Institute of Biophysics SB RAS, 660036 Krasnoyarsk, Russia;
- Biophysics Department, Siberian Federal University, 660041 Krasnoyarsk, Russia;
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12
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Viviani VR, Silva JR, Ho PL. A Novel Brighter Bioluminescent Fusion Protein Based on ZZ Domain and Amydetes vivianii Firefly Luciferase for Immunoassays. Front Bioeng Biotechnol 2021; 9:755045. [PMID: 34733833 PMCID: PMC8558436 DOI: 10.3389/fbioe.2021.755045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 09/30/2021] [Indexed: 11/24/2022] Open
Abstract
Immunoassays are widely used for detection of antibodies against specific antigens in diagnosis, as well as in electrophoretic techniques such as Western Blotting. They usually rely on colorimetric, fluorescent or chemiluminescent methods for detection. Whereas the chemiluminescence methods are more sensitive and widely used, they usually suffer of fast luminescence decay. Here we constructed a novel bioluminescent fusion protein based on the N-terminal ZZ portion of protein A and the brighter green-blue emitting Amydetes vivianii firefly luciferase. In the presence of D-luciferin/ATP assay solution, the new fusion protein, displays higher bioluminescence activity, is very thermostable and produces a sustained emission (t1/2 > 30 min). In dot blots, we could successfully detect rabbit IgG against firefly luciferases, Limpet Haemocyanin, and SARS-CoV-2 Nucleoprotein (1–250 ng), as well as the antigen bound antibodies using either CCD imaging, and even photography using smartphones. Using CCD imaging, we could detect up to 100 pg of SARS-CoV-2 Nucleoprotein. Using this system, we could also successfully detect firefly luciferase and SARS-CoV-2 nucleoprotein in Western Blots (5–250 ng). Comparatively, the new fusion protein displays slightly higher and more sustained luminescent signal when compared to commercial HRP-labeled secondary antibodies, constituting a novel promising alternative for Western Blotting and immunoassays.
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Affiliation(s)
- Vadim R Viviani
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos (UFSCar), Sorocaba, Brazil.,Graduate Program of Biotechnology and Environmental Monitoring, Federal University of São Carlos (UFSCar), Sorocaba, Brazil
| | - Jaqueline Rodrigues Silva
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos (UFSCar), Sorocaba, Brazil.,Graduate Program of Biotechnology and Environmental Monitoring, Federal University of São Carlos (UFSCar), Sorocaba, Brazil
| | - Paulo Lee Ho
- Núcleo de Produção de Vacinas Bacterianas, Centro BioIndustrial, Instituto Butantan, São Paulo, Brazil
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13
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Belleti E, Bevilaqua VR, Brito AMM, Modesto DA, Lanfredi AJC, Viviani VR, Nantes-Cardoso IL. Synthesis of bioluminescent gold nanoparticle-luciferase hybrid systems for technological applications. Photochem Photobiol Sci 2021; 20:1439-1453. [PMID: 34613602 PMCID: PMC8493054 DOI: 10.1007/s43630-021-00111-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 09/27/2021] [Indexed: 11/01/2022]
Abstract
Bioluminescent gold nanoparticles (AuNPs) were synthesized in situ using dithiol-terminated polyethylene glycol (PEG(SH)2) as reducer and stabilizing agents. Hybrid Au/F3O4 nanoparticles were also produced in a variation of synthesis, and both types of nanostructures had the polymer capping replaced by L-cysteine (Cys). The four types of nanoparticles, PEG(SH)2AuNPs, PEG(SH)2Au/F3O4NPs, CysAuNPs, and CysAu/F3O4NPs were associated with purified recombinant Pyrearinus termitilluminans green emitting click beetle luciferase (PyLuc) and Phrixotrix hirtus (RELuc) red-emitting railroad worm luciferase. Enzyme association with PEG(SH)2 was also investigated as a control. Luciferases were chosen because they catalyze bioluminescent reactions used in a wide range of bioanalytical applications, including ATP assays, gene reporting, high-throughput screening, bioluminescence imaging, biosensors and other bioluminescence-based assays. The immobilization of PyLuc and RELuc promoted partial suppression of the enzyme luminescence activity in a functionalization-dependent way. Association of PyLuc and RELuc with AuNPs increased the enzyme operational stability in relation to the free enzyme, as evidenced by the luminescence intensity from 0 to 7 h after substrate addition. The stability of the immobilized enzymes was also functionalization-dependent and the association with CysAuNPs was the condition that combined more sustained luminescent activity with a low degree of luminescence quenching. The higher enzymatic stability and sustained luminescence of luciferases associated with nanoparticles may improve the applicability of bioluminescence for bioimaging and biosensing purposes.
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Affiliation(s)
- Elisângela Belleti
- Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Bairro Bangu, Santo André, SP, 09210-580, Brazil
| | - Vanessa R Bevilaqua
- Graduate School of Evolutive Genetics and Molecular Biology (UFSCar), São Carlos, SP, Brazil
| | - Adrianne M M Brito
- Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Bairro Bangu, Santo André, SP, 09210-580, Brazil
| | - Diego A Modesto
- Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Bairro Bangu, Santo André, SP, 09210-580, Brazil
| | - Alexandre J C Lanfredi
- Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Bairro Bangu, Santo André, SP, 09210-580, Brazil
| | - Vadim R Viviani
- Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Bairro Bangu, Santo André, SP, 09210-580, Brazil
- Graduate School of Biotechnology and Environmental Monitoring (UFSCar), Sorocaba, SP, Brazil
| | - Iseli L Nantes-Cardoso
- Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Bairro Bangu, Santo André, SP, 09210-580, Brazil.
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14
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Bacterial bioluminescence assay for bioanalysis and bioimaging. Anal Bioanal Chem 2021; 414:75-83. [PMID: 34693470 DOI: 10.1007/s00216-021-03695-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/31/2021] [Accepted: 09/24/2021] [Indexed: 10/20/2022]
Abstract
Bioluminescence occurs through a chemical reaction in organisms that spontaneously produce light. Luminescent bacteria are unique among bioluminescent organisms. Their bioluminescence intensity is an indicator of their metabolic activity, which can directly reflect the influence of environmental factors on cell viability. Moreover, the whole bioluminescence process is totally gene encoded without the addition of extra substrates. As a result, bacterial bioluminescence has been a powerful tool for whole-cell biosensors and bio-reporters in bioanalysis and bioimaging. This review aims to cover the applications of wild-type and recombinant luminescent bacteria to detect the toxicity of environmental pollutants and biological molecules. The bacterial bioluminescence analytical assay has characteristics such as high sensitivity, short-term detection, and easy operation. Meanwhile, due to the development of gene engineering and optical technology, bacterial luciferase as a reporter protein has been successfully expressed in prokaryotic and eukaryotic cells, tissues, and organs of animals. The major applications for bacterial luciferase-based bioluminescence imaging, such as infectious diseases, cancer therapy, and stem cell tracing, are discussed in this review.
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15
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KUMADA R, ORIOKA M, CITTERIO D, HIRUTA Y. Fluorescent and Bioluminescent Probes based on Precise Molecular Design. BUNSEKI KAGAKU 2021. [DOI: 10.2116/bunsekikagaku.70.601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Rei KUMADA
- Department of Applied Chemistry, Keio University
| | | | | | - Yuki HIRUTA
- Department of Applied Chemistry, Keio University
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16
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Giuliani G, Melaccio F, Gozem S, Cappelli A, Olivucci M. QM/MM Investigation of the Spectroscopic Properties of the Fluorophore of Bacterial Luciferase. J Chem Theory Comput 2021; 17:605-613. [PMID: 33449693 PMCID: PMC9220819 DOI: 10.1021/acs.jctc.0c01078] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We employ replica-exchange molecular dynamics (REMD) and a hybrid ab initio multiconfigurational quantum mechanics/molecular mechanics (QM/MM) approach to model the absorption and fluorescence properties of bacterial luciferin-luciferase. Specifically, we employ complete active space perturbation theory (CASPT2) and study the effect of active space, basis set, and IPEA shift on the computed energies. We discuss the effect of the protein environment on the fluorophore's excited-state potential energy surface and the role that the protein plays in enhancing the fluorescence quantum yield in bacterial bioluminescence.
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Affiliation(s)
- Germano Giuliani
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Federico Melaccio
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Samer Gozem
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30302, United States
| | - Andrea Cappelli
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Massimo Olivucci
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
- Department of Chemistry, Bowling Green State University, Bowing Green, Ohio 43403, United States
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17
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Gagnot G, Hervin V, Coutant EP, Goyard S, Jacob Y, Rose T, Hibti FE, Quatela A, Janin YL. Core-Modified Coelenterazine Luciferin Analogues: Synthesis and Chemiluminescence Properties. Chemistry 2021; 27:2112-2123. [PMID: 33137225 DOI: 10.1002/chem.202004311] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/26/2020] [Indexed: 11/10/2022]
Abstract
In this work on the design and studies of luciferins related to the blue-hued coelenterazine, the synthesis of heterocyclic analogues susceptible to produce a photon, possibly at a different wavelength, is undertaken. Here, the synthesis of O-acetylated derivatives of imidazo[1,2-b]pyridazin-3(5 H)-one, imidazo[2,1-f][1,2,4]triazin-7(1 H)-one, imidazo[1,2-a]pyridin-3-ol, imidazo[1,2-a]quinoxalin-1(5 H)-one, benzo[f]imidazo[1,2-a]quinoxalin-3(11 H)-one, imidazo[1',2':1,6]pyrazino[2,3-c]quinolin-3(11 H)-one, and 5,11-dihydro-3 H-chromeno[4,3-e]imidazo[1,2-a]pyrazin-3-one is described thanks to extensive use of the Buchwald-Hartwig N-arylation reaction. The acidic hydrolysis of these derivatives then gave solutions of the corresponding luciferin analogues, which were studied. Not too unexpectedly, even if these were "dressed" with substituents found in actual substrates of the nanoKAZ/NanoLuc luciferase, no bioluminescence was observed with these compounds. However, in a phosphate buffer, all produced a light signal, by chemiluminescence, with extensive variations in their respective intensity and this could be increased by adding a quaternary ammonium salt in the buffer. This aspect was actually instrumental to determine the emission spectra of many of these luciferin analogues.
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Affiliation(s)
- Glwadys Gagnot
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France.,Université de Paris, 12 rue de l'école de Médecine, 75006, Paris, France
| | - Vincent Hervin
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Eloi P Coutant
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Sophie Goyard
- Center for Innovation and Technological Research, Institut Pasteur, 25 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Yves Jacob
- Unité de Génétique Moléculaire des Virus à ARN, Institut Pasteur, UMR 3569, CNRS, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Thierry Rose
- Center for Innovation and Technological Research, Institut Pasteur, 25 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Fatima Ezzahra Hibti
- HORIBA FRANCE SAS, 14 Boulevard Thomas Gobert, Passage Jobin Yvon CS45002, 91120, Palaiseau, France
| | - Alessia Quatela
- HORIBA FRANCE SAS, 14 Boulevard Thomas Gobert, Passage Jobin Yvon CS45002, 91120, Palaiseau, France
| | - Yves L Janin
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
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18
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Syed AJ, Anderson JC. Applications of bioluminescence in biotechnology and beyond. Chem Soc Rev 2021; 50:5668-5705. [DOI: 10.1039/d0cs01492c] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Bioluminescent probes have hugely benefited from the input of synthetic chemistry and protein engineering. Here we review the latest applications of these probes in biotechnology and beyond, with an eye on current limitations and future directions.
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Affiliation(s)
- Aisha J. Syed
- Department of Chemistry
- University College London
- London
- UK
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19
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Viviani VR, Bevilaqua VR, de Souza DR, Pelentir GF, Kakiuchi M, Hirano T. A Very Bright Far-Red Bioluminescence Emitting Combination Based on Engineered Railroad Worm Luciferase and 6'-Amino-Analogs for Bioimaging Purposes. Int J Mol Sci 2020; 22:E303. [PMID: 33396708 PMCID: PMC7794784 DOI: 10.3390/ijms22010303] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/15/2020] [Accepted: 12/17/2020] [Indexed: 12/18/2022] Open
Abstract
Beetle luciferases produce bioluminescence (BL) colors ranging from green to red, having been extensively used for many bioanalytical purposes, including bioimaging of pathogen infections and metastasis proliferation in living animal models and cell culture. For bioimaging purposes in mammalian tissues, red bioluminescence is preferred, due to the lower self-absorption of light at longer wavelengths by hemoglobin, myoglobin and melanin. Red bioluminescence is naturally produced only by Phrixothrix hirtus railroad worm luciferase (PxRE), and by some engineered beetle luciferases. However, Far-Red (FR) and Near-Infrared (NIR) bioluminescence is best suited for bioimaging in mammalian tissues due to its higher penetrability. Although some FR and NIR emitting luciferin analogs have been already developed, they usually emit much lower bioluminescence activity when compared to the original luciferin-luciferases. Using site-directed mutagenesis of PxRE luciferase in combination with 6'-modified amino-luciferin analogs, we finally selected novel FR combinations displaying BL ranging from 636-655 nm. Among them, the combination of PxRE-R215K mutant with 6'-(1-pyrrolidinyl)luciferin proved to be the best combination, displaying the highest BL activity with a catalytic efficiency ~2.5 times higher than the combination with native firefly luciferin, producing the second most FR-shifted bioluminescence (650 nm), being several orders of magnitude brighter than commercial AkaLumine with firefly luciferase. Such combination also showed higher thermostability, slower BL decay time and better penetrability across bacterial cell membranes, resulting in ~3 times higher in vivo BL activity in bacterial cells than with firefly luciferin. Overall, this is the brightest FR emitting combination ever reported, and is very promising for bioimaging purposes in mammalian tissues.
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Affiliation(s)
- Vadim R. Viviani
- Graduate Program of Evolutive Genetics and Molecular Biology, Federal University of São Carlos (UFSCar), 18052-780 São Carlos, São Paulo, Brazil;
- Graduate Program of Biotechnology and Environmental Monitoring, Federal University of São Carlos (UFSCar), 18119-001 Sorocaba, São Paulo, Brazil;
| | - Vanessa R. Bevilaqua
- Graduate Program of Evolutive Genetics and Molecular Biology, Federal University of São Carlos (UFSCar), 18052-780 São Carlos, São Paulo, Brazil;
| | - Daniel R. de Souza
- Graduate Program of Biotechnology and Environmental Monitoring, Federal University of São Carlos (UFSCar), 18119-001 Sorocaba, São Paulo, Brazil;
| | - Gabriel F. Pelentir
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos (UFSCar), 18052-780 São Carlos, São Paulo, Brazil;
| | - Michio Kakiuchi
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan; (M.K.); (T.H.)
| | - Takashi Hirano
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan; (M.K.); (T.H.)
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20
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Shi C, Killoran MP, Hall MP, Otto P, Wood MG, Strauss E, Encell LP, Machleidt T, Wood KV, Kirkland TA. 5,5-Dialkylluciferins are thermal stable substrates for bioluminescence-based detection systems. PLoS One 2020; 15:e0243747. [PMID: 33315907 PMCID: PMC7735563 DOI: 10.1371/journal.pone.0243747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 11/26/2020] [Indexed: 11/18/2022] Open
Abstract
Firefly luciferase-based ATP detection assays are frequently used as a sensitive, cost-efficient method for monitoring hygiene in many industrial settings. Solutions of detection reagent, containing a mixture of a substrate and luciferase enzyme that produces photons in the presence of ATP, are relatively unstable and maintain only a limited shelf life even under refrigerated conditions. It is therefore common for the individual performing a hygiene test to manually prepare fresh reagent at the time of monitoring. To simplify sample processing, a liquid detection reagent with improved thermal stability is needed. The engineered firefly luciferase, Ultra-Glo™, fulfills one aspect of this need and has been valuable for hygiene monitoring because of its high resistance to chemical and thermal inactivation. However, solutions containing both Ultra-Glo™ luciferase and its substrate luciferin gradually lose the ability to effectively detect ATP over time. We demonstrate here that dehydroluciferin, a prevalent oxidative breakdown product of luciferin, is a potent inhibitor of Ultra-Glo™ luciferase and that its formation in the detection reagent is responsible for the decreased ability to detect ATP. We subsequently found that dialkylation at the 5-position of luciferin (e.g., 5,5-dimethylluciferin) prevents degradation to dehydroluciferin and improves substrate thermostability in solution. However, since 5,5-dialkylluciferins are poorly utilized by Ultra-Glo™ luciferase as substrates, we used structural optimization of the luciferin dialkyl modification and protein engineering of Ultra-Glo™ to develop a luciferase/luciferin pair that shows improved total reagent stability in solution at ambient temperature. The results of our studies outline a novel luciferase/luciferin system that could serve as foundations for the next generation of bioluminescence ATP detection assays with desirable reagent stability.
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Affiliation(s)
- Ce Shi
- Promega Biosciences, Inc., San Luis Obispo, California, United States of America
| | | | - Mary P. Hall
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Paul Otto
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Monika G. Wood
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Ethan Strauss
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Lance P. Encell
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Thomas Machleidt
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Keith V. Wood
- Promega Corporation, Madison, Wisconsin, United States of America
| | - Thomas A. Kirkland
- Promega Biosciences, Inc., San Luis Obispo, California, United States of America
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21
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Viviani VR, Silva JR, Amaral DT, Bevilaqua VR, Abdalla FC, Branchini BR, Johnson CH. A new brilliantly blue-emitting luciferin-luciferase system from Orfelia fultoni and Keroplatinae (Diptera). Sci Rep 2020; 10:9608. [PMID: 32541805 PMCID: PMC7295969 DOI: 10.1038/s41598-020-66286-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 05/07/2020] [Indexed: 12/18/2022] Open
Abstract
Larvae of O. fultoni (Keroplatidae: Keroplatinae), which occur along river banks in the Appalachian Mountains in Eastern United States, produce the bluest bioluminescence among insects from translucent areas associated to black bodies, which are located mainly in the anterior and posterior parts of the body. Although closely related to Arachnocampa spp (Keroplatidae: Arachnocampininae), O.fultoni has a morphologically and biochemically distinct bioluminescent system which evolved independently, requiring a luciferase enzyme, a luciferin, a substrate binding fraction (SBF) that releases luciferin in the presence of mild reducing agents, molecular oxygen, and no additional cofactors. Similarly, the closely related Neoceroplatus spp, shares the same kind of luciferin-luciferase system of Orfelia fultoni. However, the molecular properties, identities and functions of luciferases, SBF and luciferin of Orfelia fultoni and other luminescent members of the Keroplatinae subfamily still remain to be fully elucidated. Using O. fultoni as a source of luciferase, and the recently discovered non-luminescent cave worm Neoditomiya sp as the main source of luciferin and SBF, we isolated and initially characterized these compounds. The luciferase of O. fultoni is a stable enzyme active as an apparent trimer (220 kDa) composed of ~70 kDa monomers, with an optimum pH of 7.8. The SBF, which is found in the black bodies in Orfelia fultoni and in smaller dark granules in Neoditomiya sp, consists of a high molecular weight complex of luciferin and proteins, apparently associated to mitochondria. The luciferin, partially purified from hot extracts by a combination of anion exchange chromatography and TLC, is a very polar and weakly fluorescent compound, whereas its oxidized product displays blue fluorescence with an emission spectrum matching the bioluminescence spectrum (~460 nm), indicating that it is oxyluciferin. The widespread occurrence of luciferin and SBF in both luminescent and non-luminescent Keroplatinae larvae indicate an additional important biological function for the substrate, and therefore the name keroplatin.
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Affiliation(s)
- Vadim R Viviani
- Graduate School of Biotechnology and Environmental Monitoring (UFSCar), Federal University of São Carlos (UFSCar), Sorocaba, Brazil.
- Graduate School of Evolutive Genetics and Molecular Biology (UFSCar), São Carlos, Brazil.
| | - Jaqueline R Silva
- Graduate School of Biotechnology and Environmental Monitoring (UFSCar), Federal University of São Carlos (UFSCar), Sorocaba, Brazil
| | - Danilo T Amaral
- Graduate School of Biotechnology and Environmental Monitoring (UFSCar), Federal University of São Carlos (UFSCar), Sorocaba, Brazil
| | - Vanessa R Bevilaqua
- Graduate School of Evolutive Genetics and Molecular Biology (UFSCar), São Carlos, Brazil
| | - Fabio C Abdalla
- Graduate School of Biotechnology and Environmental Monitoring (UFSCar), Federal University of São Carlos (UFSCar), Sorocaba, Brazil
| | - Bruce R Branchini
- Department of Chemistry, Connecticut College, New London, Connecticut, USA
| | - Carl H Johnson
- Dept. Biological Sciences, Vanderbilt University, Nashville, TN, USA
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22
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Ikeda Y, Tanaka M, Nishihara R, Hiruta Y, Citterio D, Suzuki K, Niwa K. Quantitative evaluation of luminescence intensity from enzymatic luminescence reaction of coelenterazine and analogues. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112459] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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23
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Jung Y, Coronel-Aguilera C, Doh IJ, Min HJ, Lim T, Applegate BM, Bae E. Design and application of a portable luminometer for bioluminescence detection. APPLIED OPTICS 2020; 59:801-810. [PMID: 32225212 DOI: 10.1364/ao.59.000801] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/30/2019] [Indexed: 06/10/2023]
Abstract
The silicon photomultiplier (SiPM) for low light detection has many advantages when compared to existing photon counting detectors, such as high sensitivity, low cost, robustness, and compact hardware. To facilitate the use of SiPM as a portable, field deployable device, an electrical circuit was designed consisting of an amplifier, comparator, and microcontroller. In addition, a 3D printing was used to create a portable cradle for housing the SiPM. To evaluate its detection ability, a laser experiment and bioluminescent experiments, including Pseudomonas fluorescens M3A detection, E. coli O157:H7 PhiV10nluc lysogen detection, and a luminescence-based detection of E. coli O157:H7 in ground meat using the engineered luminescent-based reporter phage PhiV10nluc, were conducted. In the same experimental setting, our previously developed smartphone-based luminometer called the bioluminescent-based analyte quantitation by smartphone and a conventional photomultiplier tube-based benchtop luminometer were used to compare detection levels and applicability for supporting luminescent phage-based pathogen detection. Results showed that the SiPM provides better performance in terms of time to detection and SNR and could be used as the light detection component of the PhiV10nluc phage-based detection format.
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Coutant EP, Gagnot G, Hervin V, Baatallah R, Goyard S, Jacob Y, Rose T, Janin YL. Bioluminescence Profiling of NanoKAZ/NanoLuc Luciferase Using a Chemical Library of Coelenterazine Analogues. Chemistry 2020; 26:948-958. [PMID: 31765054 DOI: 10.1002/chem.201904844] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Indexed: 12/11/2022]
Abstract
We describe here an extensive structure-bioluminescence relationship study of a chemical library of analogues of coelenterazine, using nanoKAZ/NanoLuc, a mutated luciferase originated from the catalytic subunit of the deep-sea shrimp Oplophorus gracilirostris. Out of the 135 O-acetylated precursors that were prepared by using our recently reported synthesis and following their hydrolysis to give solutions of the corresponding luciferins, notable bioluminescence improvements were achieved in comparison with furimazine, which is currently amongst the best substrates of nanoKAZ/NanoLuc. For instance, the rather more lipophilic analogue 8-(2,3-difluorobenzyl)-2-((5-methylfuran-2-yl)methyl)-6-phenylimidazo[1,2-a]pyrazin-3(7H)-one provided a 1.5-fold improvement of the total light output over a 2 h period, a close to threefold increase of the initial signal intensity and a signal-to-background ratio five times greater than furimazine. The kinetic parameters for the enzymatic reaction were obtained for a selection of luciferin analogues and provided unexpected insights into the luciferase activity. Most prominently, along with a general substrate-dependent and irreversible inactivation of this enzyme, in the case of the optimized luciferin mentioned above, the consumption of 2664 molecules was found to be required for the detection of a single Relative Light Unit (RLU; a luminometer-dependent fraction of a photon).
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Affiliation(s)
- Eloi P Coutant
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Glwadys Gagnot
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France.,Université Paris Descartes, Sorbonne Paris Cité, 12 rue de l'Ecole de Médecine, 75006, Paris, France
| | - Vincent Hervin
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Racha Baatallah
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Sophie Goyard
- Center for Innovation and Technological Research, Institut Pasteur, 25 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Yves Jacob
- Unité de Génétique Moléculaire des Virus à ARN, Institut Pasteur, UMR 3569, CNRS, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Thierry Rose
- Center for Innovation and Technological Research, Institut Pasteur, 25 rue du Dr. Roux, 75724, Paris Cedex 15, France
| | - Yves L Janin
- Institut Pasteur, UMR 3523, CNRS, Unité de Chimie et Biocatalyse, 28 rue du Dr. Roux, 75724, Paris Cedex 15, France
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25
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Varnosfaderani ZG, Emamzadeh R, Nazari M, Zarean M. Detection of a prostate cancer cell line using a bioluminescent affiprobe: An attempt to develop a new molecular probe for ex vivo studies. Int J Biol Macromol 2019; 138:755-763. [DOI: 10.1016/j.ijbiomac.2019.07.085] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 06/26/2019] [Accepted: 07/11/2019] [Indexed: 11/16/2022]
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26
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Bevilaqua VR, Matsuhashi T, Oliveira G, Oliveira PSL, Hirano T, Viviani VR. Phrixotrix luciferase and 6'-aminoluciferins reveal a larger luciferin phenolate binding site and provide novel far-red combinations for bioimaging purposes. Sci Rep 2019; 9:8998. [PMID: 31227722 PMCID: PMC6588592 DOI: 10.1038/s41598-019-44534-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 05/14/2019] [Indexed: 11/20/2022] Open
Abstract
How the unique luciferase of Phrixothrix hirtus (PxRE) railroad worm catalyzes the emission of red bioluminescence using the same luciferin of fireflies, remains a mystery. Although PxRE luciferase is a very attractive tool for bioanalysis and bioimaging in hemoglobin rich tissues, it displays lower quantum yield (15%) when compared to green emitting luciferases (>40%). To identify which parts of PxRE luciferin binding site (LBS) determine bioluminescence color, and to develop brighter and more red-shifted emitting luciferases, we compared the effects of site-directed mutagenesis and of larger 6′-substituted aminoluciferin analogues (6′-morpholino- and 6′-pyrrolidinyl-LH) on the bioluminescence properties of PxRE and green-yellow emitting beetle luciferases. The effects of mutations in the benzothiazolyl and thiazolyl parts of PxRE LBS on the KM and catalytic efficiencies, indicated their importance for luciferin binding and catalysis. However, the absence of effects on the bioluminescence spectrum indicated a less interactive LBS in PxRE during light emission. Mutations at the bottom of LBS of PxRE blue-shifted the spectra and increased catalytic efficiency, suggesting that lack of interactions of this part of LBS with excited oxyluciferin phenolate underlie red light emission. The much higher bioluminescence activity and red-shifted spectra of PxRE luciferase with 6′-morpholino- (634 nm) and 6′-pyrrolidinyl-luciferins (644 nm), when compared to other beetle luciferases, revealed a larger luciferin phenolate binding pocket. The size and orientation of the side-chains of L/I/H348 are critical for amino-analogues accommodation and modulate bioluminescence color, affecting the interactions and mobility of excited oxyluciferin phenolate. The PxRE luciferase and 6′-aminoluciferins provide potential far-red combinations for bioimaging applications.
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Affiliation(s)
- V R Bevilaqua
- Graduate Program of Evolutive Genetics and Molecular Biology, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil
| | - T Matsuhashi
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu, Tokyo, 182-8585, Japan
| | - G Oliveira
- Graduate Program of Evolutive Genetics and Molecular Biology, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil
| | - P S L Oliveira
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Zip Code 13083-970, Campinas, Sao Paulo, Brazil
| | - T Hirano
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu, Tokyo, 182-8585, Japan
| | - V R Viviani
- Graduate Program of Biotechnology and Environmental Monitoring, Federal University of São Carlos (UFSCar), Rodovia João Leme dos Santos, km 110, Itinga, Sorocaba, SP, Brazil. .,Graduate Program of Evolutive Genetics and Molecular Biology, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil.
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27
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Cheng YY, Liu YJ. Luciferin Regeneration in Firefly Bioluminescence via Proton-Transfer-Facilitated Hydrolysis, Condensation and Chiral Inversion. Chemphyschem 2019; 20:1719-1727. [PMID: 31090243 DOI: 10.1002/cphc.201900306] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/07/2019] [Indexed: 01/06/2023]
Abstract
Firefly bioluminescence is produced via luciferin enzymatic reactions in luciferase. Luciferin has to be unceasingly replenished to maintain bioluminescence. How is the luciferin reproduced after it has been exhausted? In the early 1970s, Okada proposed the hypothesis that the oxyluciferin produced by the previous bioluminescent reaction could be converted into new luciferin for the next bioluminescent reaction. To some extent, this hypothesis was evidenced by several detected intermediates. However, the detailed process and mechanism of luciferin regeneration remained largely unknown. For the first time, we investigated the entire process of luciferin regeneration in firefly bioluminescence by density functional theory calculations. This theoretical study suggests that luciferin regeneration consists of three sequential steps: the oxyluciferin produced from the last bioluminescent reaction generates 2-cyano-6-hydroxybenzothiazole (CHBT) in the luciferin regenerating enzyme (LRE) via a hydrolysis reaction; CHBT combines with L-cysteine in vivo to form L-luciferin via a condensation reaction; and L-luciferin inverts into D-luciferin in luciferase and thioesterase. The presently proposed mechanism not only supports the sporadic evidence from previous experiments but also clearly describes the complete process of luciferin regeneration. This work is of great significance for understanding the long-term flashing of fireflies without an in vitro energy supply.
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Affiliation(s)
- Yuan-Yuan Cheng
- Key Laboratory of Theoretical and Computational Photochemistry Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Ya-Jun Liu
- Key Laboratory of Theoretical and Computational Photochemistry Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
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Bhuckory S, Kays JC, Dennis AM. In Vivo Biosensing Using Resonance Energy Transfer. BIOSENSORS 2019; 9:E76. [PMID: 31163706 PMCID: PMC6628364 DOI: 10.3390/bios9020076] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 05/20/2019] [Accepted: 05/27/2019] [Indexed: 01/05/2023]
Abstract
Solution-phase and intracellular biosensing has substantially enhanced our understanding of molecular processes foundational to biology and pathology. Optical methods are favored because of the low cost of probes and instrumentation. While chromatographic methods are helpful, fluorescent biosensing further increases sensitivity and can be more effective in complex media. Resonance energy transfer (RET)-based sensors have been developed to use fluorescence, bioluminescence, or chemiluminescence (FRET, BRET, or CRET, respectively) as an energy donor, yielding changes in emission spectra, lifetime, or intensity in response to a molecular or environmental change. These methods hold great promise for expanding our understanding of molecular processes not just in solution and in vitro studies, but also in vivo, generating information about complex activities in a natural, organismal setting. In this review, we focus on dyes, fluorescent proteins, and nanoparticles used as energy transfer-based optical transducers in vivo in mice; there are examples of optical sensing using FRET, BRET, and in this mammalian model system. After a description of the energy transfer mechanisms and their contribution to in vivo imaging, we give a short perspective of RET-based in vivo sensors and the importance of imaging in the infrared for reduced tissue autofluorescence and improved sensitivity.
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Affiliation(s)
- Shashi Bhuckory
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA.
| | - Joshua C Kays
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA.
| | - Allison M Dennis
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA.
- Division of Materials Science and Engineering, Boston University, Boston, MA 02215, USA.
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Yu X, Scott D, Dikici E, Joel S, Deo S, Daunert S. Multiplexing cytokine analysis: towards reducing sample volume needs in clinical diagnostics. Analyst 2019; 144:3250-3259. [PMID: 31049499 PMCID: PMC11401509 DOI: 10.1039/c9an00297a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2024]
Abstract
The trend for improved more precise diagnostics and management of disease heavily relies on the measurement of panels of biomarkers in physiological samples of patients. Ideally, the ultimate goal would be to detect as many clinically relevant biomarkers as possible in a single drop of blood, achieving quick, sensitive, reproducible, and affordable detection in small volume physiological samples. Bioluminescent (BL) proteins provide many of the desired characteristics required for such labels, including detection at extremely low concentrations, no interference from physiological fluids leading to excellent detection limits, and compatibility with many miniaturized systems. However, to date the use of BL proteins has been restricted by their limited multiplexing capabilities. BL proteins typically exhibit a single emission profile and decay kinetics making the simultaneous detection of multiple analytes difficult. Recent progresses in this area include the use of two different engineered luminescent proteins to achieve resolved signals via one-dimensional time resolution. This approach, however, to date only lead to a dual analyte detection. Herein, we have demonstrated that using a two-dimensional approach that combines both temporal and spatial resolution, we can expand the multiplexing capabilities of bioluminescent proteins. To that end, the photoprotein aequorin (AEQ) has been employed for the simultaneous detection of three separate analytes in a single well, differentiated through the use of three discrete time/wavelength windows. Through a combination of site-specific mutations and synthetic coelenterazines "semi-synthetic" AEQ variants have been developed with altered emission profiles and decay kinetics. In this study, two AEQ mutant proteins were genetically conjugated to three pro-inflammatory cytokines (tumor necrosis factor alpha, interleukins 6 and 8) resulting in AEQ-labeled cytokines. These fusion proteins were combined with synthetic coelenterazines resulting in proteins with differing emission maxima and half-lives to allow for the simultaneous detection of all three cytokines in a single sample. The validity of the assay was demonstrated in serum by employing human physiological samples and comparing our results with commercially available individual tests for each of the three cytokines.
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Affiliation(s)
- Xiaowen Yu
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, Florida 33136, USA.
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Handheld Enzymatic Luminescent Biosensor for Rapid Detection of Heavy Metals in Water Samples. CHEMOSENSORS 2019. [DOI: 10.3390/chemosensors7010016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Enzymatic luminescent systems are a promising tool for rapid detection of heavy metals ions for water quality assessment. Nevertheless, their widespread use is limited by the lack of test procedure automation and available sensitive handheld luminometers. Herein we describe integration of disposable microfluidic chips for bioluminescent enzyme-inhibition based assay with a handheld luminometer, which detection system is based on a thermally stabilized silicon photomultiplier (SiPM). Microfluidic chips were made of poly(methyl methacrylate) by micro-milling method and sealed using a solvent bonding technique. The composition of the bioluminescent system in microfluidic chip was optimized to achieve higher luminescence intensity and storage time. Results indicate that developed device provided comparable sensitivity with bench-scale PMT-based commercial luminometers. Limit of detection for copper (II) sulfate reached 2.5 mg/L for developed biosensor. Hereby we proved the concept of handheld enzymatic optical biosensors with disposable chips for bioassay. The proposed biosensor can be used as an early warning field-deployable system for rapid detection of heavy metals salts and other toxic chemicals, which affect bioluminescent signal of enzymatic reaction.
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Jarchi S, Ataei F, Hosseinkhani S. Mutation of conserved residues K329 and R330 on the surface of firefly luciferase: Effect on proteolytic degradation. Int J Biol Macromol 2018; 115:324-330. [DOI: 10.1016/j.ijbiomac.2018.04.050] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 04/08/2018] [Accepted: 04/10/2018] [Indexed: 10/17/2022]
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Petrova AS, Lukonina AA, Dementyev DV, Ya Bolsunovsky A, Popov AV, Kudryasheva NS. Protein-based fluorescent bioassay for low-dose gamma radiation exposures. Anal Bioanal Chem 2018; 410:6837-6844. [PMID: 30062510 DOI: 10.1007/s00216-018-1282-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 07/10/2018] [Accepted: 07/17/2018] [Indexed: 01/30/2023]
Abstract
The study suggests an application of a coelenteramide-containing fluorescent protein (CLM-CFP) as a simplest bioassay for gamma radiation exposures. "Discharged obelin," a product of the bioluminescence reaction of the marine coelenterate Obelia longissima, was used as a representative of the CLM-CFP group. The bioassay is based on a simple enzymatic reaction-photochemical proton transfer in the coelenteramide-apoprotein complex. Components of this reaction differ in fluorescence color, providing, by this, an evaluation of the proton transfer efficiency in the photochemical process. This efficiency depends on the microenvironment of the coelenteramide within the protein complex, and, hence, can evaluate a destructive ability of gamma radiation. The CLM-CFP samples were exposed to gamma radiation (137Cs, 2 mGy/h) for 7 and 16 days at 20 °C and 5 °C, respectively. As a result, two fluorescence characteristics (overall fluorescence intensity and contributions of color components to the fluorescence spectra) were identified as bioassay parameters. Both parameters demonstrated high sensitivity of the CLM-CFP-based bioassay to the low-dose gamma radiation exposure (up to 100 mGy). Higher temperature (20 °C) enhanced the response of CLM-CFP to gamma radiation. This new bioassay can provide fluorescent multicolor assessment of protein destruction in cells and physiological liquids under exposure to low doses of gamma radiation. Graphical abstract ᅟ.
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Affiliation(s)
- Alena S Petrova
- Krasnoyarsk State Agrarian University, Mira Avenue 90, Krasnoyarsk, 660049, Russia
| | - Anna A Lukonina
- Siberian Federal University, Svobodnyy Ave 79, Krasnoyarsk, 660041, Russia
| | - Dmitry V Dementyev
- Institute of Biophysics SB RAS, FRC KSC SB RAS, Krasnoyarsk, 660036, Russia
| | | | - Anatoliy V Popov
- Department of Radiology, University of Pennsylvania, 3401 N Broad St., Philadelphia, PA, 19140, USA
| | - Nadezhda S Kudryasheva
- Siberian Federal University, Svobodnyy Ave 79, Krasnoyarsk, 660041, Russia. .,Institute of Biophysics SB RAS, FRC KSC SB RAS, Krasnoyarsk, 660036, Russia.
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Denisov I, Lukyanenko K, Yakimov A, Kukhtevich I, Esimbekova E, Belobrov P. Disposable luciferase-based microfluidic chip for rapid assay of water pollution. LUMINESCENCE 2018; 33:1054-1061. [DOI: 10.1002/bio.3508] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 04/22/2018] [Accepted: 04/30/2018] [Indexed: 12/16/2022]
Affiliation(s)
| | | | | | | | - Elena Esimbekova
- Siberian Federal University; Krasnoyarsk Russia
- Institute of Biophysics SB RAS Federal Research Center'Krasnoyarsk Science Center SB RAS’; Krasnoyarsk Russia
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Rozhko TV, Guseynov OA, Guseynova VE, Bondar AA, Devyatlovskaya AN, Kudryasheva NS. Is bacterial luminescence response to low-dose radiation associated with mutagenicity? JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2017; 177:261-265. [PMID: 28728127 DOI: 10.1016/j.jenvrad.2017.07.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 06/30/2017] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
Luminous marine bacteria are widely used in bioassays with luminescence intensity being a physiological parameter tested. The purpose of the study was to determine whether bacterial genetic alteration is responsible for bioluminescence kinetics change under low-dose radiation exposure. The alpha-emitting radionuclide 241Am and beta-emitting radionuclide 3H were used as the sources of low-dose ionizing radiation. Changes of bioluminescence kinetics of Photobacterium phosphoreum in solutions of 241Am(NO3)3, 7 kBq/L, and tritiated water, 100 MBq/L, were studied; bioluminescence kinetics stages (absence of effect, activation, and inhibition) were determined. Bacterial suspension was sampled at different stages of the bioluminescent kinetics; the doses accumulated by the samples were close or a little higher than a tentative limit of a low-dose interval: 0.10 and 0.85 Gy for 241Am, or 0.11 and 0.18 Gy for 3H. Sequence analysis of the 16S ribosomal RNA gene did not reveal a mutagenic effect of low-dose alpha and beta radiation in the bacterial samples. Previous results on bacterial DNA exposed to low-dose gamma radiation (0.25 Gy) were analyzed and compared to those for alpha and beta irradiation. It is concluded that bioluminescence activation and/or inhibition under the applied conditions of low-dose alpha, beta and gamma radioactive exposure is not associated with DNA mutations in the gene sequences tested.
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Affiliation(s)
- T V Rozhko
- Krasnoyarsk State Medical Academy, 1 P.Zheleznyaka, Krasnoyarsk, 660022, Russia
| | - O A Guseynov
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - V E Guseynova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - A A Bondar
- SB RAS Genomics Core Facility, Institute of Chemical Biology and Fundamental Medicine SB RAS, 8 Lavrentiev Avenue, Novosibirsk, 630090, Russia
| | - A N Devyatlovskaya
- Siberian State Technological University, LB, 29 Pobedy, Lesosibirsk, Krasnoyarsk Region, 662543, Russia
| | - N S Kudryasheva
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, Federal Research Center 'Krasnoyarsk Science Center SB RAS', 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia.
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Yoshita M, Kubota H, Shimogawara M, Mori K, Ohmiya Y, Akiyama H. Light-emitting-diode Lambertian light sources as low-radiant-flux standards applicable to quantitative luminescence-intensity imaging. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2017; 88:093704. [PMID: 28964178 DOI: 10.1063/1.5001733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Planar-type Lambertian light-emitting diodes (LEDs) with a circular aperture of several tens of μm to a few mm in diameter were developed for use as radiant-flux standard light sources, which have been in strong demand for applications such as quantitative or absolute intensity measurements of weak luminescence from solid-state materials and devices. Via pulse-width modulation, time-averaged emission intensity of the LED devices was controlled linearly to cover a wide dynamic range of about nine orders of magnitude, from 10 μW down to 10 fW. The developed planar LED devices were applied as the radiant-flux standards to quantitative measurements and analyses of photoluminescence (PL) intensity and PL quantum efficiency of a GaAs quantum-well sample. The results demonstrated the utility and applicability of the LED standards in quantitative luminescence-intensity measurements in Lambertian-type low radiant-flux level sources.
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Affiliation(s)
- Masahiro Yoshita
- National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Hidehiro Kubota
- ATTO Corporation, 3-2-2 Motoasakusa, Taito-ku, Tokyo 111-0041, Japan
| | | | - Kaneo Mori
- ATTO Corporation, 3-2-2 Motoasakusa, Taito-ku, Tokyo 111-0041, Japan
| | - Yoshihiro Ohmiya
- National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Hidefumi Akiyama
- Institute for Solid State Physics (ISSP), University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
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Yousefi F, Ataei F, Mortazavi M, Hosseinkhani S. Bifunctional role of leucine 300 of firefly luciferase in structural rigidity. Int J Biol Macromol 2017; 101:67-74. [DOI: 10.1016/j.ijbiomac.2017.03.069] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 02/25/2017] [Accepted: 03/14/2017] [Indexed: 11/25/2022]
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Marina Perez A, Aquino B, Viviani V, Kobarg J. Use of a special Brazilian red-light emitting railroad worm Luciferase in bioassays of NEK7 protein Kinase and Creatine Kinase. BMC BIOCHEMISTRY 2017; 18:12. [PMID: 28724347 PMCID: PMC5518096 DOI: 10.1186/s12858-017-0087-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 07/12/2017] [Indexed: 11/24/2022]
Abstract
Background Luciferases, enzymes that catalyze bioluminescent reactions in different organisms, have been extensively used for bioanalytical purposes. The most well studied bioluminescent system is that of firefly and other beetles, which depends on a luciferase, a benzothiazolic luciferin and ATP, and it is being widely used as a bioanalytical reagent to quantify ATP. Protein kinases are proteins that modify other proteins by transferring phosphate groups from a nucleoside triphosphate, usually ATP. Methods Here, we used a red-light emitting luciferase from Phrixotrix hirtus railroad worm to determine the activity of kinases in a coupled assay, based on luminescence that is generated when luciferase is in the presence of its substrate, the luciferin, and ATP. Results In this work we used, after several optimization reactions, creatine kinase isoforms as well as NEK7 protein kinase in the absence or presence of ATP analogous inhibitors to validate this new luminescence method. Conclusion With this new approach we validated a luminescence method to quantify kinase activity, with different substrates and inhibition screening tests, using a novel red-light emitting luciferase as a reporter enzyme. Electronic supplementary material The online version of this article (doi:10.1186/s12858-017-0087-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Arina Marina Perez
- Instituto de Biologia, Departamento Bioquímica e Biologia Tecidual, Universidade Estadual de Campinas, Campinas, Programa de Pós-gradução em Biologia Molecular e Funcional São Paulo, Rua Monteiro Lobato 255, Campinas, SP, CEP 13083-862, Brazil.,Laboratório Nacional de Biociências, Centro Nacional de Pesquisa em Energia e Materiais, Campinas, São Paulo, Brazil
| | - Bruno Aquino
- Instituto de Biologia, Departamento Bioquímica e Biologia Tecidual, Universidade Estadual de Campinas, Campinas, Programa de Pós-gradução em Biologia Molecular e Funcional São Paulo, Rua Monteiro Lobato 255, Campinas, SP, CEP 13083-862, Brazil.,Laboratório Nacional de Biociências, Centro Nacional de Pesquisa em Energia e Materiais, Campinas, São Paulo, Brazil
| | - Vadim Viviani
- Laboratório Bioquímica e Biotecnologia de Sistemas Bioluminescentes, Departamento Física, Química e Matemática, CCTS, UFSCAR, Sorocaba, Brazil
| | - Jörg Kobarg
- Instituto de Biologia, Departamento Bioquímica e Biologia Tecidual, Universidade Estadual de Campinas, Campinas, Programa de Pós-gradução em Biologia Molecular e Funcional São Paulo, Rua Monteiro Lobato 255, Campinas, SP, CEP 13083-862, Brazil. .,Faculdade de Ciências Farmacêuticas, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.
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Jazayeri FS, Amininasab M, Hosseinkhani S. Structural and dynamical insight into thermally induced functional inactivation of firefly luciferase. PLoS One 2017; 12:e0180667. [PMID: 28672033 PMCID: PMC5495494 DOI: 10.1371/journal.pone.0180667] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 06/19/2017] [Indexed: 11/18/2022] Open
Abstract
Luciferase is the key component of light production in bioluminescence process. Extensive and advantageous application of this enzyme in biotechnology is restricted due to its low thermal stability. Here we report the effect of heating up above Tm on the structure and dynamical properties of luciferase enzyme compared to temperature at 298 K. In this way we demonstrate that the number of hydrogen bonds between N- and C-domain is increased for the free enzyme at 325 K. Increased inter domain hydrogen bonds by three at 325 K suggests that inter domain contact is strengthened. The appearance of simultaneous strong salt bridge and hydrogen bond between K529 and D422 and increased existence probability between R533 and E389 could mechanistically explain stronger contact between N- and C-domain. Mutagenesis studies demonstrated the importance of K529 and D422 experimentally. Also the significant reduction in SASA for experimentally important residues K529, D422 and T343 which are involved in active site region was observed. Principle component analysis (PCA) in our study shows that the dynamical behavior of the enzyme is changed upon heating up which mainly originated from the change of motion modes and associated extent of those motions with respect to 298 K. These findings could explain why heating up of the enzyme or thermal fluctuation of protein conformation reduces luciferase activity in course of time as a possible mechanism of thermal functional inactivation. According to these results we proposed two strategies to improve thermal stability of functional luciferase.
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Affiliation(s)
- Fatemeh S. Jazayeri
- Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, IRAN
| | - Mehriar Amininasab
- Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, IRAN
- * E-mail: (MA); (SH)
| | - Saman Hosseinkhani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, IRAN
- * E-mail: (MA); (SH)
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Moutsiopoulou A, Hunt E, Broyles D, Pereira CA, Woodward K, Dikici E, Kaifer A, Daunert S, Deo SK. Bioorthogonal Protein Conjugation: Application to the Development of a Highly Sensitive Bioluminescent Immunoassay for the Detection of Interferon-γ. Bioconjug Chem 2017; 28:1749-1757. [PMID: 28514139 PMCID: PMC5899603 DOI: 10.1021/acs.bioconjchem.7b00220] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Bioorthogonal conjugation eliminates the shortcomings of classical conjugation methods. The conjugation of antibodies to reporter proteins, such as bioluminescent protein, can be controlled with orthogonal conjugation methods. Here we report a bioluminescent immunoassay for the sensitive detection of interferon-γ (IFN-γ) that utilizes orthogonal conjugation of bioluminescent protein, Gaussia luciferase to anti-IFN-γ antibody. The IFN-γ is produced by the immune system and the detection of the IFN-γ is pivotal for the detection of persistent viral and bacterial infections. A bioorthogonal conjugation approach is used to conjugate an anti-IFN-γ antibody with a GLuc mutant containing the N-terminal tyrosine using formylbenzene diazonium hexafluorophosphate reagent (FBDP) in hydrophilic mild pH environment yielding high conjugation efficiency (60%). This reagent is shown to be specific for tyrosine (Tyr) residues. Therefore, conjugation through Tyr was orthogonal and not detrimental to the bioluminescence activity of GLuc. The immunoassay described in this paper is a sandwich type assay and involves a capture and a detection antibody. The assay was validated for its robustness, precision, accuracy, limit of detection, and recovery.
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Affiliation(s)
- Angeliki Moutsiopoulou
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Eric Hunt
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
| | - David Broyles
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
| | | | - Kristen Woodward
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
| | - Emre Dikici
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
| | - Angel Kaifer
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Sylvia Daunert
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
| | - Sapna K. Deo
- Leonard M. Miller School of Medicine, Department of Biochemistry and Molecular Biology, University of Miami, Miami, Florida 33136, United States
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Yasunaga M, Fujita Y, Saito R, Oshimura M, Nakajima Y. Continuous long-term cytotoxicity monitoring in 3D spheroids of beetle luciferase-expressing hepatocytes by nondestructive bioluminescence measurement. BMC Biotechnol 2017. [PMID: 28637431 PMCID: PMC5480146 DOI: 10.1186/s12896-017-0374-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Background Three-dimensional (3D) spheroids are frequently used in toxicological study because their morphology and function closely resemble those of tissue. As these properties are maintained over a long term, repeated treatment of the spheroids with a test object is possible. Generally, in the repeated treatment test to assess cytotoxicity in the spheroids, ATP assay, colorimetric measurement using pigments or high-content imaging analysis is performed. However, continuous assessment of cytotoxicity in the same spheroids using the above assays or analysis is impossible because the spheroids must be disrupted or killed. To overcome this technical limitation, we constructed a simple monitoring system in which cytotoxicity in the spheroids can be continuously monitored by nondestructive bioluminescence measurement. Results Mouse primary hepatocytes were isolated from transchromosomic (Tc) mice harboring a mouse artificial chromosome (MAC) vector expressing beetle luciferase Emerald Luc (ELuc) under the control of cytomegalovirus immediate early enhancer/chicken β-actin promoter/rabbit β-globin intron II (CAG) promoter, and used in 3D cultures. We confirmed that both luminescence and albumin secretion from the spheroids seeded in the 96-well format Cell-ableTM were maintained for approximately 1 month. Finally, we repetitively treated the luminescent 3D spheroids with representative hepatotoxicants for approximately 1 month, and continuously and nondestructively measured bioluminescence every day. We successfully obtained daily changes of the dose-response bioluminescence curves for the respective toxicants. Conclusions In this study, we constructed a monitoring system in which cytotoxicity in the same 3D spheroids was continuously and sensitively monitored over a long term. Because this system can be easily applied to other cells, such as human primary cells or stem cells, it is expected to serve as the preferred platform for simple and cost-effective long-term monitoring of cellular events, including cytotoxicity. Electronic supplementary material The online version of this article (doi:10.1186/s12896-017-0374-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mayu Yasunaga
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, 761-0395, Japan
| | - Yasuko Fujita
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, 761-0395, Japan
| | - Rumiko Saito
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Miyagi, 980-8573, Japan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center, Tottori University, Yonago, Tottori, 683-8503, Japan
| | - Yoshihiro Nakajima
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, 761-0395, Japan. .,Chromosome Engineering Research Center, Tottori University, Yonago, Tottori, 683-8503, Japan.
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Metal-enhanced luminescence: Current trend and future perspectives- A review. Anal Chim Acta 2017; 971:1-13. [DOI: 10.1016/j.aca.2017.03.051] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 03/22/2017] [Accepted: 03/23/2017] [Indexed: 01/06/2023]
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42
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Head T, Dau P, Duffort S, Daftarian P, Joshi PM, Vazquez-Padron R, Deo SK, Daunert S. An enhanced bioluminescence-based Annexin V probe for apoptosis detection in vitro and in vivo. Cell Death Dis 2017; 8:e2826. [PMID: 28542141 PMCID: PMC5520691 DOI: 10.1038/cddis.2017.141] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 02/21/2017] [Accepted: 02/23/2017] [Indexed: 02/07/2023]
Abstract
The process of controlled cellular death known as apoptosis has an important central role not only in normal homeostatic maintenance of tissues, but also in numerous diseases such as cancer, neurodegenerative, autoimmune, and cardiovascular diseases. As a result, new technologies with the capability to selectively detect apoptotic cells represent a central focus of research for the study of these conditions. We have developed a new biosensor for the detection of apoptotic cells, incorporating the targeted selectivity for apoptotic cells from Annexin V with the sensitivity of bioluminescence signal generation from a serum-stable mutant of Renilla luciferase (RLuc8). Our data presents a complete characterization of the structural and biochemical properties of this new Annexin-Renilla fusion protein (ArFP) construct, as well as a validation of its ability to detect apoptosis in vitro. Moreover, this work represents the first report of a bioluminescent Annexin V apoptosis sensor utilized in vivo. With this new construct, we examine apoptosis within disease-relevant animal models of surgery-induced ischemia/reperfusion, corneal injury, and retinal cell death as a model of age-related macular degeneration. In each of these experiments, we demonstrate successful application of the ArFP construct for detection and bioluminescence imaging of apoptosis within each disease or treatment model. ArFP represents an important new tool in the continuously growing kit of technologies for apoptosis detection, and our results from both in vitro and in vivo experiments suggest a diverse range of potential clinically relevant applications including cancer therapeutic screening and efficacy analysis, atherosclerosis and cardiovascular disease detection, and the monitoring of any number of other conditions in which apoptosis has a central role.
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Affiliation(s)
- Trajen Head
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Peter Dau
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Stephanie Duffort
- Department of Ophthalmology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Pirouz Daftarian
- NGM Biopharmaceuticals, Inc., South San Francisco, CA 94080, USA
| | - Pratibha M Joshi
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Roberto Vazquez-Padron
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Sapna K Deo
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Sylvia Daunert
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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43
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Zhang H, Su J, Lin Y, Bai H, Liu J, Chen H, Du L, Gu L, Li M. Inhibiting Firefly Bioluminescence by Chalcones. Anal Chem 2017; 89:6099-6105. [DOI: 10.1021/acs.analchem.7b00813] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Huateng Zhang
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
| | - Jing Su
- State
Key Laboratory of Microbial Technology, School of Life Sciences, Shandong University, Jinan, Shandong 250100, China
- Faculty
of Light Industry, Province Key Laboratory of Microbial Engineering, Qilu University of Technology, Jinan, Shandong 250353, China
| | - Yuxin Lin
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
| | - Haixiu Bai
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
- Shandong Medicine Technician College, Taian, Shandong 271016, China
| | - Jiaxiang Liu
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
| | - Hui Chen
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
| | - Lupei Du
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
| | - Lichuan Gu
- State
Key Laboratory of Microbial Technology, School of Life Sciences, Shandong University, Jinan, Shandong 250100, China
| | - Minyong Li
- Department
of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE),
School of Pharmacy, Shandong University, Jinan, Shandong 250012, China
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44
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Alieva RR, Kudryasheva NS. Variability of fluorescence spectra of coelenteramide-containing proteins as a basis for toxicity monitoring. Talanta 2017; 170:425-431. [PMID: 28501192 DOI: 10.1016/j.talanta.2017.04.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 04/10/2017] [Accepted: 04/16/2017] [Indexed: 11/30/2022]
Abstract
Nowadays, physicochemical approach to understanding toxic effects remains underdeveloped. A proper development of such mode would be concerned with simplest bioassay systems. Coelenteramide-Containing Fluorescent Proteins (CLM-CFPs) can serve as proper tools for study primary physicochemical processes in organisms under external exposures. CLM-CFPs are products of bioluminescent reactions of marine coelenterates. As opposed to Green Fluorescent Proteins, the CLM-CFPs are not widely applied in biomedical research, and their potential as colored biomarkers is undervalued now. Coelenteramide, fluorophore of CLM-CFPs, is a photochemically active molecule; it acts as a proton donor in its electron-excited states, generating several forms of different fluorescent state energy and, hence, different fluorescence color, from violet to green. Contributions of the forms to the visible fluorescence depend on the coelenteramide microenvironment in proteins. Hence, CLM-CFPs can serve as fluorescence biomarkers with color differentiation to monitor results of destructive biomolecule exposures. The paper reviews experimental and theoretical studies of spectral-luminescent and photochemical properties of CLM-CFPs, as well as their variation under different exposures - chemicals, temperature, and ionizing radiation. Application of CLM-CFPs as toxicity bioassays of a new type is justified.
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Affiliation(s)
- Roza R Alieva
- Institute of Biophysics SB RAS, Federal Research Center "Krasnoyarsk Science Center SB RAS", Akademgorodok 50/50, Krasnoyarsk 660036, Russia; Siberian Federal University, Svobodny Prospect 79, Krasnoyarsk 660041, Russia
| | - Nadezhda S Kudryasheva
- Institute of Biophysics SB RAS, Federal Research Center "Krasnoyarsk Science Center SB RAS", Akademgorodok 50/50, Krasnoyarsk 660036, Russia; Siberian Federal University, Svobodny Prospect 79, Krasnoyarsk 660041, Russia
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45
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Zhang R, Huang W, Li G, Hu Y. Noninvasive Strategy Based on Real-Time in Vivo Cataluminescence Monitoring for Clinical Breath Analysis. Anal Chem 2017; 89:3353-3361. [DOI: 10.1021/acs.analchem.6b03898] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Runkun Zhang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Wanting Huang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Yufei Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
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46
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Branchini BR, Southworth TL. A Highly Sensitive Biosensor for ATP Using a Chimeric Firefly Luciferase. Methods Enzymol 2017; 589:351-364. [PMID: 28336069 DOI: 10.1016/bs.mie.2017.01.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Firefly luciferases, which emit visible light in a highly specific ATP-dependent process, have been adapted for a variety of applications based on the detection of the enzymes or using the proteins to measure ATP levels. Based on studies of chimeric luciferases, we engineered a novel luciferase called PLG2 that has enhanced specific activity, and thermal and pH stability compared to the commonly used Photinus pyralis luciferase. We present here protocols for preparing a single assay mixture containing PLG2 that can be used to readily detect femtomole levels of ATP. Our methodology can be used with a variety of samples, including human and bacterial cells, where measurements of ATP can be used as a biosensor for the detection of viable cells.
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47
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Wakuri S, Yamakage K, Kazuki Y, Kazuki K, Oshimura M, Aburatani S, Yasunaga M, Nakajima Y. Correlation between luminescence intensity and cytotoxicity in cell-based cytotoxicity assay using luciferase. Anal Biochem 2017; 522:18-29. [PMID: 28111305 DOI: 10.1016/j.ab.2017.01.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 01/17/2017] [Accepted: 01/18/2017] [Indexed: 10/20/2022]
Abstract
The luciferase reporter assay has become one of the conventional methods for cytotoxicity evaluation. Typically, the decrease of luminescence expressed by a constitutive promoter is used as an index of cytotoxicity. However, to our knowledge, there have been no reports of the correlation between cytotoxicity and luminescence intensity. In this study, to accurately verify the correlation between them, beetle luciferase was stably expressed in human hepatoma HepG2 cells harboring the multi-integrase mouse artificial chromosome vector. We showed that the cytotoxicity assay using luciferase does not depend on the stability of luciferase protein and the kind of constitutive promoter. Next, HepG2 cells in which green-emitting beetle luciferase was expressed under the control of CAG promoter were exposed to 58 compounds. The luminescence intensity and cytotoxicity curves of cells exposed to 48 compounds showed similar tendencies, whereas those of cells exposed to 10 compounds did not do so, although the curves gradually approached each other with increasing exposure time. Finally, we demonstrated that luciferase expressed under the control of a constitutive promoter can be utilized both as an internal control reporter for normalizing a test reporter and for monitoring cytotoxicity when two kinds of luciferases are simultaneously used in the cytotoxicity assay.
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Affiliation(s)
- S Wakuri
- Hatano Research Institute, Food and Drug Safety Center, Hadano, Kanagawa 257-8523, Japan
| | - K Yamakage
- Hatano Research Institute, Food and Drug Safety Center, Hadano, Kanagawa 257-8523, Japan
| | - Y Kazuki
- Chromosome Engineering Research Center, Tottori University, Yonago, Tottori 683-8503, Japan; Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Science, Tottori University, Tottori 683-8503, Japan
| | - K Kazuki
- Chromosome Engineering Research Center, Tottori University, Yonago, Tottori 683-8503, Japan
| | - M Oshimura
- Chromosome Engineering Research Center, Tottori University, Yonago, Tottori 683-8503, Japan
| | - S Aburatani
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Aomi, Tokyo 135-0064, Japan
| | - M Yasunaga
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa 761-0395, Japan
| | - Y Nakajima
- Chromosome Engineering Research Center, Tottori University, Yonago, Tottori 683-8503, Japan; Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa 761-0395, Japan.
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48
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Salatino CT, Melo DU, Yoshitake AM, Sgarbi LS, Homem-de-Mello P, Bartoloni FH, Ciscato LFML. Mechanistic model for the firefly luciferin regeneration in biomimetic conditions: a model for the in vivo process? Org Biomol Chem 2017; 15:3479-3484. [DOI: 10.1039/c7ob00603a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Firefly luciferin is recycled back in vivo by 2-cyano-6-hydroxybenzothiazole coupling with cysteine in a complex multi-step process involving specific base catalysis.
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Affiliation(s)
- Carla T. Salatino
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
| | - Diêgo U. Melo
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
| | - Ariane M. Yoshitake
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
| | - Lucas S. Sgarbi
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
| | - Paula Homem-de-Mello
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
| | - Fernando H. Bartoloni
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
| | - Luiz F. M. L. Ciscato
- Centro de Ciências Naturais e Humanas
- Universidade Federal do ABC
- Santo André/SP 09210-580
- Brazil
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49
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Theoretical Analysis of the Effect Provoked by Bromine-Addition on the Thermolysis and Chemiexcitation of a Model Dioxetanone. J CHEM-NY 2017. [DOI: 10.1155/2017/1903981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Chemi-/bioluminescence are phenomena in which chemical energy is converted into electronically excited singlet states, which decay with light emission. Given this feature, along with high quantum yields and other beneficial characteristics, these systems have gained numerous applications in bioanalysis, in biomedicine, and in the pharmaceutical field. Singlet chemiexcitation is made possible by the formation of cyclic peroxides (as dioxetanones) as thermolysis provides a route for a ground state reaction to produce singlet excited states. However, such thermolysis can also lead to the formation of triplet states. While triplet states are not desired in the typical applications of chemi-/bioluminescence, the efficient production of such states can open the door for the use of these systems as sensitizers in photocatalysis and triplet-triplet annihilation, among other fields. Thus, the goal of this study is to assess the effect of heavy atom addition on the thermolysis and triplet chemiexcitation of a model dioxetanone. Monobromination does not affect the thermolysis reaction but can improve the efficiency of intersystem crossing, depending on the position of monobromination. Addition of bromine atoms to the triplet state reaction product has little effect on its properties, except on its electron affinity, in which monobromination can increase between 3.1 and 8.8 kcal mol−1.
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50
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Andronico LA, Quintavalla A, Lombardo M, Mirasoli M, Guardigli M, Trombini C, Roda A. Synthesis of 1,2-Dioxetanes as Thermochemiluminescent Labels for Ultrasensitive Bioassays: Rational Prediction of Olefin Photooxygenation Outcome by Using a Chemometric Approach. Chemistry 2016; 22:18156-18168. [DOI: 10.1002/chem.201603765] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 09/07/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Luca A. Andronico
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Arianna Quintavalla
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Marco Lombardo
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Mara Mirasoli
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Massimo Guardigli
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Claudio Trombini
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Aldo Roda
- Department of Chemistry “G. Ciamician”; Alma Mater Studiorum; University of Bologna; Via Selmi 2 40126 Bologna Italy
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