1
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Zboray K, Toth AV, Miskolczi TD, Pesti K, Casanova E, Kreidl E, Mike A, Szenes Á, Sági L, Lukacs P. High-throughput ligand profile characterization in novel cell lines expressing seven heterologous insect olfactory receptors for the detection of volatile plant biomarkers. Sci Rep 2023; 13:21757. [PMID: 38066004 PMCID: PMC10709440 DOI: 10.1038/s41598-023-47455-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 11/14/2023] [Indexed: 12/18/2023] Open
Abstract
Agriculturally important crop plants emit a multitude of volatile organic compounds (VOCs), which are excellent indicators of their health status and their interactions with pathogens and pests. In this study, we have developed a novel cellular olfactory panel for detecting fungal pathogen-related VOCs we had identified in the field, as well as during controlled inoculations of several crop plants. The olfactory panel consists of seven stable HEK293 cell lines each expressing a functional Drosophila olfactory receptor as a biosensing element along with GCaMP6, a fluorescent calcium indicator protein. An automated 384-well microplate reader was used to characterize the olfactory receptor cell lines for their sensitivity to reference VOCs. Subsequently, we profiled a set of 66 VOCs on all cell lines, covering a concentration range from 1 to 100 μM. Results showed that 49 VOCs (74.2%) elicited a response in at least one olfactory receptor cell line. Some VOCs activated the cell lines even at nanomolar (ppb) concentrations. The interaction profiles obtained here will support the development of biosensors for agricultural applications. Additionally, the olfactory receptor proteins can be purified from these cell lines with sufficient yields for further processing, such as structure determination or integration with sensor devices.
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Affiliation(s)
- Katalin Zboray
- Plant Protection Institute, Centre for Agricultural Research, Martonvásár, Hungary
- TetraLab Ltd., Budapest, Hungary
| | - Adam V Toth
- Plant Protection Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
| | - Tímea D Miskolczi
- Plant Protection Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
| | - Krisztina Pesti
- TetraLab Ltd., Budapest, Hungary
- Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Emilio Casanova
- Department of Pharmacology, Center of Physiology and Pharmacology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Emanuel Kreidl
- Department of Pharmacology, Center of Physiology and Pharmacology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- Novartis AG, 6336, Langkampfen, Austria
| | - Arpad Mike
- Plant Protection Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
| | - Áron Szenes
- Department of Pathology, University of Veterinary Medicine, Budapest, Hungary
| | - László Sági
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Peter Lukacs
- Plant Protection Institute, Centre for Agricultural Research, Martonvásár, Hungary.
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary.
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2
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Deng H, Nakamoto T. Biosensors for Odor Detection: A Review. BIOSENSORS 2023; 13:1000. [PMID: 38131760 PMCID: PMC10741685 DOI: 10.3390/bios13121000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023]
Abstract
Animals can easily detect hundreds of thousands of odors in the environment with high sensitivity and selectivity. With the progress of biological olfactory research, scientists have extracted multiple biomaterials and integrated them with different transducers thus generating numerous biosensors. Those biosensors inherit the sensing ability of living organisms and present excellent detection performance. In this paper, we mainly introduce odor biosensors based on substances from animal olfactory systems. Several instances of organ/tissue-based, cell-based, and protein-based biosensors are described and compared. Furthermore, we list some other biological materials such as peptide, nanovesicle, enzyme, and aptamer that are also utilized in odor biosensors. In addition, we illustrate the further developments of odor biosensors.
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Affiliation(s)
| | - Takamichi Nakamoto
- Laboratory for Future Interdisciplinary Research of Science and Technology, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama 226-8503, Kanagawa, Japan;
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3
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Deng H, Sukekawa Y, Mitsuno H, Kanzaki R, Nakamoto T. Active Tracking of Temporally Changing Gas-Phase Odor Mixture Using an Array of Cells Expressing Olfactory Receptors. Anal Chem 2023. [PMID: 37466237 DOI: 10.1021/acs.analchem.3c02675] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
A cell expressing an olfactory receptor (OR) exhibits excellent odorant detection ability and thus is widely applied in odor biosensors. Most of those biosensors, however, could detect only liquid-phase nonchanging single-component odorants. In this paper, we raised up an odor biosensor for the active tracking of temporally changing gas-phase odor mixture by an array of cells expressing ORs. A thin stable liquid film covered the cell, thus allowing gas-phase odorants to penetrate. The online image processing generated individual cell brightness data which were used to compute the biosensor response. Based on the obtained responses, we adjusted the known odor components to be similar with the unknown odor. The function of our biosensor was validated by tracking the variable single-component odorant or the binary odor mixture. The influence from the sensor drift could be overcome by comparing the adjacent unknown and known odor responses. In the odor mixture quantification, adding the OR label to mixed cells and then quantifying separately (named as the pre-label method) was more efficient, while directly using the cell response pattern (named as the label-free method) was still capable even if the OR odor had cross-sensitivity.
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Affiliation(s)
- Hongchao Deng
- Laboratory for Future Interdisciplinary Research of Science and Technology, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama, Kanagawa 226-8503, Japan
| | - Yuji Sukekawa
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8904, Japan
| | - Hidefumi Mitsuno
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8904, Japan
| | - Ryohei Kanzaki
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8904, Japan
| | - Takamichi Nakamoto
- Laboratory for Future Interdisciplinary Research of Science and Technology, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama, Kanagawa 226-8503, Japan
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4
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Lee E, Shrestha KL, Kang S, Ramakrishnan N, Kwon Y. Cell-Based Sensors for the Detection of EGF and EGF-Stimulated Ca 2+ Signaling. BIOSENSORS 2023; 13:383. [PMID: 36979595 PMCID: PMC10045995 DOI: 10.3390/bios13030383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Epidermal growth factor (EGF)-mediated activation of EGF receptors (EGFRs) has become an important target in drug development due to the implication of EGFR-mediated cellular signaling in cancer development. While various in vitro approaches are developed for monitoring EGF-EGFR interactions, they have several limitations. Herein, we describe a live cell-based sensor system that can be used to monitor the interaction of EGF and EGFR as well as the subsequent signaling events. The design of the EGF-detecting sensor cells is based on the split-intein-mediated conditional protein trans-cleavage reaction (CPC). CPC is triggered by the presence of the target (EGF) to activate a signal peptide that translocates the fluorescent cargo to the target cellular location (mitochondria). The developed sensor cell demonstrated excellent sensitivity with a fast response time. It was also successfully used to detect an agonist and antagonist of EGFR (transforming growth factor-α and Cetuximab, respectively), demonstrating excellent specificity and capability of screening the analytes based on their function. The usage of sensor cells was then expanded from merely detecting the presence of target to monitoring the target-mediated signaling cascade, by exploiting previously developed Ca2+-detecting sensor cells. These sensor cells provide a useful platform for monitoring EGF-EGFR interaction, for screening EGFR effectors, and for studying downstream cellular signaling cascades.
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Affiliation(s)
- Euiyeon Lee
- Department of Biomedical Engineering, Dongguk University, Seoul 04620, Republic of Korea
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA
| | - Keshab Lal Shrestha
- Department of Biomedical Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Seonhye Kang
- Department of Biomedical Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Neethu Ramakrishnan
- Department of Biomedical Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Youngeun Kwon
- Department of Biomedical Engineering, Dongguk University, Seoul 04620, Republic of Korea
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5
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Misawa N, Tomida M, Murakami Y, Mitsuno H, Kanzaki R. Xenopus laevis Oocyte Array Fluidic Device Integrated with Microelectrodes for A Compact Two-Electrode Voltage Clamping System. SENSORS (BASEL, SWITZERLAND) 2023; 23:2370. [PMID: 36904573 PMCID: PMC10007382 DOI: 10.3390/s23052370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/06/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
We report on a compact two-electrode voltage clamping system composed of microfabricated electrodes and a fluidic device for Xenopus laevis oocytes. The device was fabricated by assembling Si-based electrode chips and acrylic frames to form fluidic channels. After the installation of Xenopus oocytes into the fluidic channels, the device can be separated in order to measure changes in oocyte plasma membrane potential in each channel using an external amplifier. Using fluid simulations and experiments, we investigated the success rates of Xenopus oocyte arrays and electrode insertion with respect to the flow rate. We successfully located each oocyte in the array and detected oocyte responses to chemical stimuli using our device.
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Affiliation(s)
- Nobuo Misawa
- School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara 252-5201, Kanagawa, Japan
| | - Mitsuyoshi Tomida
- Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi 441-8580, Aichi, Japan
| | - Yuji Murakami
- Department of Electrical and Electronic Engineering, Faculty of Science and Technology, Shizuoka Institute of Science and Technology, 2200-2 Toyosawa, Fukuroi 437-8555, Shizuoka, Japan
| | - Hidefumi Mitsuno
- Research Centre for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku 153-8904, Tokyo, Japan
| | - Ryohei Kanzaki
- Research Centre for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku 153-8904, Tokyo, Japan
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6
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Farnum A, Parnas M, Hoque Apu E, Cox E, Lefevre N, Contag CH, Saha D. Harnessing insect olfactory neural circuits for detecting and discriminating human cancers. Biosens Bioelectron 2023; 219:114814. [PMID: 36327558 DOI: 10.1016/j.bios.2022.114814] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/04/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
Abstract
There is overwhelming evidence that presence of cancer alters cellular metabolic processes, and these changes are manifested in emitted volatile organic compound (VOC) compositions of cancer cells. Here, we take a novel forward engineering approach by developing an insect olfactory neural circuit-based VOC sensor for cancer detection. We obtained oral cancer cell culture VOC-evoked extracellular neural responses from in vivo insect (locust) antennal lobe neurons. We employed biological neural computations of the antennal lobe circuitry for generating spatiotemporal neuronal response templates corresponding to each cell culture VOC mixture, and employed these neuronal templates to distinguish oral cancer cell lines (SAS, Ca9-22, and HSC-3) vs. a non-cancer cell line (HaCaT). Our results demonstrate that three different human oral cancers can be robustly distinguished from each other and from a non-cancer oral cell line. By using high-dimensional population neuronal response analysis and leave-one-trial-out methodology, our approach yielded high classification success for each cell line tested. Our analyses achieved 76-100% success in identifying cell lines by using the population neural response (n = 194) collected for the entire duration of the cell culture study. We also demonstrate this cancer detection technique can distinguish between different types of oral cancers and non-cancer at different time-matched points of growth. This brain-based cancer detection approach is fast as it can differentiate between VOC mixtures within 250 ms of stimulus onset. Our brain-based cancer detection system comprises a novel VOC sensing methodology that incorporates entire biological chemosensory arrays, biological signal transduction, and neuronal computations in a form of a forward-engineered technology for cancer VOC detection.
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Affiliation(s)
- Alexander Farnum
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Michael Parnas
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Ehsanul Hoque Apu
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA; Division of Hematology and Oncology, Department of Internal Medicine, Michigan Medicine, University of Michigan, Ann Arbor, MI, 48108, USA
| | - Elyssa Cox
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Noël Lefevre
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Christopher H Contag
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA; Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Debajit Saha
- Department of Biomedical Engineering and the Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA.
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7
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Chen Y, Du L, Tian Y, Zhu P, Liu S, Liang D, Liu Y, Wang M, Chen W, Wu C. Progress in the Development of Detection Strategies Based on Olfactory and Gustatory Biomimetic Biosensors. BIOSENSORS 2022; 12:858. [PMID: 36290995 PMCID: PMC9599203 DOI: 10.3390/bios12100858] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/01/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
The biomimetic olfactory and gustatory biosensing devices have broad applications in many fields, such as industry, security, and biomedicine. The development of these biosensors was inspired by the organization of biological olfactory and gustatory systems. In this review, we summarized the most recent advances in the development of detection strategies for chemical sensing based on olfactory and gustatory biomimetic biosensors. First, sensing mechanisms and principles of olfaction and gustation are briefly introduced. Then, different biomimetic sensing detection strategies are outlined based on different sensing devices functionalized with various molecular and cellular components originating from natural olfactory and gustatory systems. Thereafter, various biomimetic olfactory and gustatory biosensors are introduced in detail by classifying and summarizing the detection strategies based on different sensing devices. Finally, the future directions and challenges of biomimetic biosensing development are proposed and discussed.
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Affiliation(s)
- Yating Chen
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Liping Du
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Yulan Tian
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Ping Zhu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Shuge Liu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Dongxin Liang
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Yage Liu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Miaomiao Wang
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Wei Chen
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
| | - Chunsheng Wu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education of China, Xi’an 710061, China
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8
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Saito T, Nishida Y, Tabata M, Isobayashi A, Tomizawa H, Miyahara Y, Sugizaki Y. Molecular Interactions between an Enzyme and Its Inhibitor for Selective Detection of Limonene. Anal Chem 2022; 94:7692-7702. [PMID: 35543317 DOI: 10.1021/acs.analchem.2c01110] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Researchers widely apply enzyme inhibition to chemicals such as pesticides, nerve gases, and anti-Alzheimer's drugs. However, application of enzyme inhibition to odorant sensors is less common because the corresponding reaction mechanisms have not yet been clarified in detail. In this study, we propose a new strategy for highly selective detection of odorant molecules by using an inhibitor-specific enzyme. As an example, we analyzed the selective interactions between acetylcholinesterase (AChE) and limonene─the major odorant of citrus and an AChE inhibitor─using molecular dynamics simulations. In these simulations, limonene was found to be captured at specific binding sites of AChE by modifying the binding site of acetylcholine (ACh), which induced inhibition of the catalytic activity of AChE toward ACh hydrolysis. We confirmed the simulation results by experiments using an ion-sensitive field-effect transistor, and the degree of inhibition of ACh hydrolysis depended on the limonene concentration. Accordingly, we quantitatively detected limonene at a detection limit of 5.7 μM. We furthermore distinguished the response signals to limonene from those to other odorants, such as pinene and perillic acid. Researchers will use our proposed odorant detection method for other odorant-enzyme combinations and applications of miniaturized odorant-sensing systems based on rapid testing.
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Affiliation(s)
- Tatsuro Saito
- Toshiba Corporation, 1 Komukai-Toshiba-cho, Saiwai, Kawasaki 212-8582, Japan
| | - Yasutaka Nishida
- Toshiba Corporation, 1 Komukai-Toshiba-cho, Saiwai, Kawasaki 212-8582, Japan
| | - Miyuki Tabata
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Atsunobu Isobayashi
- Toshiba Corporation, 1 Komukai-Toshiba-cho, Saiwai, Kawasaki 212-8582, Japan
| | - Hideyuki Tomizawa
- Toshiba Corporation, 1 Komukai-Toshiba-cho, Saiwai, Kawasaki 212-8582, Japan
| | - Yuji Miyahara
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Yoshiaki Sugizaki
- Toshiba Corporation, 1 Komukai-Toshiba-cho, Saiwai, Kawasaki 212-8582, Japan
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Deng H, Mitsuno H, Kanzaki R, Nakamoto T. Extending lifetime of gas-phase odor biosensor using liquid thickness control and liquid exchange. Biosens Bioelectron 2021; 199:113887. [PMID: 34922319 DOI: 10.1016/j.bios.2021.113887] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 11/28/2022]
Abstract
In recent few years, researchers utilized cell expressing olfactory receptor for vapor detection under various sensing mechanisms. Those olfactory systems, however, have relatively short lifetime due to the dry out of aqueous solution covering the cell. In this paper, we came up with a feedback control structure composed of an impedance measurement circuit, a microcontroller and two syringe pumps for maintaining thin liquid layer above cell. Cell lifetime was improved from less than 40 min to longer than 75 min when liquid film control was introduced. However, the biosensor lifetime remained similar between with or without liquid thickness control. Then, we added liquid exchange to further extend the lifetime of our odor biosensor. Minimal liquid exchange speed was able to significantly extend the biosensor lifetime. Meanwhile, faster liquid exchange speed resulted in better sensor responses. Furthermore, the enhancement acquired from intermittent liquid exchange was compared with continuous one. In this study, the lifetime of odor biosensor was extended to more than 3 h whereas it was less than half an hour without liquid thickness control. We believe the methodology we established in this paper will facilitate gas phase odor biosensor in continuous monitoring of target substances.
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Affiliation(s)
- Hongchao Deng
- Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama, Kanagawa, 226-8503, Japan
| | - Hidefumi Mitsuno
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo, 153-8904, Japan
| | - Ryohei Kanzaki
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo, 153-8904, Japan
| | - Takamichi Nakamoto
- Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama, Kanagawa, 226-8503, Japan.
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10
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Cheema JA, Carraher C, Plank NOV, Travas-Sejdic J, Kralicek A. Insect odorant receptor-based biosensors: Current status and prospects. Biotechnol Adv 2021; 53:107840. [PMID: 34606949 DOI: 10.1016/j.biotechadv.2021.107840] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/02/2021] [Accepted: 09/27/2021] [Indexed: 02/01/2023]
Abstract
Whilst the senses of vision and hearing have been successfully automated and miniaturized in portable formats (e.g. smart phone), this is yet to be achieved with the sense of smell. This is because the sensing challenge is not trivial as it involves navigating a chemosensory space comprising thousands of volatile organic compounds. Distinct aroma recognition is based on detecting unique combinations of volatile organic compounds. In natural olfactory systems this is accomplished by employing odorant receptors (ORs) with varying specificities, together with combinatorial neural coding mechanisms. Attempts to mimic the remarkable sensitivity and accuracy of natural olfactory systems has therefore been challenging. Current portable chemical sensors for odorant detection are neither sensitive nor selective, prompting research exploring artificial olfactory devices that use natural OR proteins for sensing. Much research activity to develop OR based biosensors has concentrated on mammalian ORs, however, insect ORs have not been explored as extensively. Insects possess an extraordinary sense of smell due to a repertoire of odorant receptors evolved to interpret olfactory cues vital to the insects' survival. The potential of insect ORs as sensing elements is only now being unlocked through recent research efforts to understand their structure, ligand binding mechanisms and development of odorant biosensors. Like their mammalian counterparts, there are many challenges with working with insect ORs. These include expression, purification and presentation of the insect OR in a stable display format compatible with an effective transduction methodology while maintaining OR structure and function. Despite these challenges, significant progress has been demonstrated in developing OR-based biosensors which exploit insect ORs in cells, lipid bilayers, liposomes and nanodisc formats. Ultrasensitive and highly selective detection of volatile organic compounds has been validated by coupling these insect OR display formats with transduction methodologies spanning optical (fluorescence) and electrical (field effect transistors, electrochemical impedance spectroscopy) techniques. This review summarizes the current status of insect OR based biosensors and their future outlook.
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Affiliation(s)
- Jamal Ahmed Cheema
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Auckland 1023, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand; The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland 1142, New Zealand
| | - Colm Carraher
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland 1142, New Zealand
| | - Natalie O V Plank
- MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand; School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington 6021, New Zealand
| | - Jadranka Travas-Sejdic
- Polymer Biointerface Centre, School of Chemical Sciences, The University of Auckland, Auckland 1023, New Zealand; MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand.
| | - Andrew Kralicek
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland 1142, New Zealand; Scentian Bio Limited, 1c Goring Road, Sandringham, Auckland 1025, New Zealand.
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11
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Hirata Y, Oda H, Osaki T, Takeuchi S. Biohybrid sensor for odor detection. LAB ON A CHIP 2021; 21:2643-2657. [PMID: 34132291 DOI: 10.1039/d1lc00233c] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Biohybrid odorant sensors that directly integrate a biological olfactory system have been increasingly studied and are suggested to be the next generation of ultrasensitive sensors by taking advantage of the sensitivity and selectivity of living organisms. In this review, we provide a detailed description of the recent developments of biohybrid odorant sensors, especially considering the requisites for their perspective of on-site applications. We introduce the methodologies to effectively capture the biological signals from olfactory systems by readout devices, and describe the essential properties regarding the gaseous detection, stability, quality control, and portability. Moreover, we address the recent progress on multiple odorant recognition using multiple sensors as well as the current screening approaches for pairs of orphan receptors and ligands necessary for the extension of the currently available range of biohybrid sensors. Finally, we discuss our perspectives for the future for the development of practical odorant sensors.
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Affiliation(s)
- Yusuke Hirata
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Haruka Oda
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Toshihisa Osaki
- Artificial Cell Membrane Systems Group, Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan and Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
| | - Shoji Takeuchi
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan. and Artificial Cell Membrane Systems Group, Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan and Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
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12
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Sukekawa Y, Mitsuno H, Kanzaki R, Nakamoto T. Binary mixture quantification using cell-based odor biosensor system with active sensing. Biosens Bioelectron 2021; 179:113053. [PMID: 33581427 DOI: 10.1016/j.bios.2021.113053] [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: 08/31/2020] [Revised: 01/17/2021] [Accepted: 01/27/2021] [Indexed: 11/29/2022]
Abstract
Organisms perceive odorants in the environment through the use of a large number of olfactory receptors. Various odor biosensors have been researched and developed in order to mimic this olfactory mechanism. This study examines the quantification of odorant concentrations through the use of a sensor array comprised of several types of cell-based odor sensors expressing insect olfactory receptors with nonlinear characteristics. The sensor system utilized an active sensing method in order to compare the responses of a target odorant and a prepared odorant in determining the relative concentration of the target odorant. By combining an active sensing method with a real-time reference method in which the target odorant was measured every time the prepared odorant was measured, the relative concentrations were successfully determined even when the response fluctuation was large or odorant sensor cell responses varied as measurement time increased. For proof of concept purposes, the study primarily focused on quantifying odorant concentrations composed of one or two odorant components. It was confirmed that an algorithm to find the optimal relative odorant concentration among a limited number of odorant concentrations is achievable. Though this study is still in the initial stage of the developing odor sensors and has many challenges, it can provide insight into paving the way towards a new type of odor biosensor with active sensing.
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Affiliation(s)
- Yuji Sukekawa
- Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama, Kanagawa, 226-8503, Japan.
| | - Hidefumi Mitsuno
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo, 153-8904, Japan.
| | - Ryohei Kanzaki
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo, 153-8904, Japan.
| | - Takamichi Nakamoto
- Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Institute of Innovative Research (IIR), Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori, Yokohama, Kanagawa, 226-8503, Japan.
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13
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Oda H, Kihara K, Morimoto Y, Takeuchi S. Cell-Based Biohybrid Sensor Device for Chemical Source Direction Estimation. CYBORG AND BIONIC SYSTEMS 2021; 2021:8907148. [PMID: 36285129 PMCID: PMC9494699 DOI: 10.34133/2021/8907148] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 12/31/2020] [Indexed: 02/03/2023] Open
Abstract
This paper describes a method to estimate the direction from which the signal molecule reaches the sensor by using living cells. In this context, biohybrid sensors that utilize a sophisticated sensing system of cells can potentially offer high levels of chemical-detection sensitivity and selectivity. However, biohybrid-sensor-based chemical-source-direction estimation has not received research attention because the cellular response to chemicals has not been examined in the context of directional information. In our approach, we fabricated a device that can limit the interface between the cell-laden hydrogel and the chemical solution of interest to enhance the time difference over which the chemical solution reaches the cells. Chemical detection by cells that express specific receptors is reflected as the fluorescence of the calcium indicator within the cells. Our device has eight chambers that each house 3D cell-laden collagen hydrogels facing circularly outward. The device also works as a cover to prevent chemicals from permeating the hydrogel from above. In our study, by observing the time course of the fluorescence emission of each chamber, we were able to successfully estimate the chemical-source direction within an error range of 7–13°. Our results suggest that a combination of microstructure devices embedded with living cells can be used to exploit cell functionalities to yield chemical-source directional information.
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Affiliation(s)
- H. Oda
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
| | - K. Kihara
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
| | - Y. Morimoto
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
| | - S. Takeuchi
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
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14
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Nie M, Takeuchi S. 3D Biofabrication Using Living Cells for Applications in Biohybrid Sensors and Actuators. ACS APPLIED BIO MATERIALS 2020; 3:8121-8126. [PMID: 35019594 DOI: 10.1021/acsabm.0c01214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this paper, we highlight the concept of biohybrid sensors and actuators built by incorporating living cells into artificial systems. Instead of using the materials extracted from cells, these approaches utilize cells to dynamically generate functional materials and to provide the native intracellular environment for the proper functioning of the materials. By incorporating the functional cells into artificial devices/chips, the cell-based biohybrid approaches can be applied to create portable odorant sensors with high sensitivity and to create biohybrid muscle actuators for applications in both drug screening and soft robotics.
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Affiliation(s)
- Minghao Nie
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Tokyo 113-8656, Japan
| | - Shoji Takeuchi
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Tokyo 113-8656, Japan.,Institute of Industrial Science (IIS), The University of Tokyo, Tokyo 153-8505, Japan.,International Research Center for Neurointelligence (WPI-IRCN), The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Tokyo 113-0033, Japan.,Artificial Cell Membrane Systems Group, Kanagawa Institute of Industrial Science and Technology, Kanagawa 213-0012, Japan
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15
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3D-Printed Bubble-Free Perfusion Cartridge System for Live-Cell Imaging. SENSORS 2020; 20:s20205779. [PMID: 33053875 PMCID: PMC7650622 DOI: 10.3390/s20205779] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 09/25/2020] [Accepted: 09/28/2020] [Indexed: 01/09/2023]
Abstract
The advent of 3D-printing technologies has had a significant effect on the development of medical and biological devices. Perfusion chambers are widely used for live-cell imaging in cell biology research; however, air-bubble invasion is a pervasive problem in perfusion systems. Although 3D printing allows the rapid fabrication of millifluidic and microfluidic devices with high resolution, little has been reported on 3D-printed fluidic devices with bubble trapping systems. Herein, we present a 3D-printed millifluidic cartridge system with bent and flat tapered flow channels for preventing air-bubble invasion, irrespective of bubble volume and without the need for additional bubble-removing devices. This system realizes bubble-free perfusion with a user-friendly interface and no-time-penalty manufacturing processes. We demonstrated the bubble removal capability of the cartridge by continually introducing air bubbles with different volumes during the calcium imaging of Sf21 cells expressing insect odorant receptors. Calcium imaging was conducted using a low-magnification objective lens to show the versatility of the cartridge for wide-area observation. We verified that the cartridge could be used as a chemical reaction chamber by conducting protein staining experiments. Our cartridge system is advantageous for a wide range of cell-based bioassays and bioanalytical studies, and can be easily integrated into portable biosensors.
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16
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Terutsuki D, Mitsuno H, Sato K, Sakurai T, Mase N, Kanzaki R. Highly effective volatile organic compound dissolving strategy based on mist atomization for odorant biosensors. Anal Chim Acta 2020; 1139:178-188. [PMID: 33190702 DOI: 10.1016/j.aca.2020.09.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/05/2020] [Accepted: 09/22/2020] [Indexed: 12/22/2022]
Abstract
The detection of volatile organic compound (VOC) mixtures is crucial in the medical and security fields. Receptor-based odorant biosensors sensitively and selectively detect odorant molecules in a solution; however, odorant molecules generally exist as VOCs in the air and exhibit poor water solubility. Therefore, techniques that enable the dissolution of poorly water-soluble VOCs using portable systems are essential for practical biosensors' applications. We previously proposed a VOC dissolution method based on water atomization to increase the surface area via the generation of fine bubbles, as a proof-of-concept; however, the system was lab-based (non-mobile) and the dissolution was limited to one VOC. In this study, we established a highly effective VOC dissolution method based on mist atomization that can be used in the field. This new method demonstrated a rapid dissolution potential of a sparsely-soluble VOC mixture with various functional groups in distilled water (DW) within 1 min, without the use of any organic solvents. Calcium imaging revealed that odorant receptor 13a-expressing Sf21 cells (Or13a cells) responded to 1-octen-3-ol in the mixture. Further, we successfully developed a field-deployable prototype vacuum and dissolution system with a simple configuration that efficiently captured and rapidly dissolved airborne 1-octen-3-ol in DW. This study proposes a field-deployable system that is appropriate for solubilizing various airborne odorant molecules and therefore is a practical strategy to use in the context of odorant biosensors.
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Affiliation(s)
- Daigo Terutsuki
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan.
| | - Hidefumi Mitsuno
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan
| | - Kohei Sato
- Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka, 432-8561, Japan
| | - Takeshi Sakurai
- Department of Agricultural Innovation for Sustainability, Tokyo University of Agriculture, 1737 Funako, Atsugi-shi, Kanagawa, 243-0034, Japan
| | - Nobuyuki Mase
- Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka, 432-8561, Japan; Research Institute of Green Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka, 432-8561, Japan
| | - Ryohei Kanzaki
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan.
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17
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Silencing of OBP genes: Generation of loss-of-function mutants of PBP by genome editing. Methods Enzymol 2020. [PMID: 32828259 DOI: 10.1016/bs.mie.2020.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Pheromone binding proteins (PBPs) are small soluble proteins (about 15kDa) that play striking roles in the detection of sex pheromones in insects. Many studies including structural analysis, binding simulation, and in vitro assays have been performed to clarify the modes of action of PBPs. Although these studies have provided valuable contributions toward the understanding of which key amino acid components contribute to the correct folding of PBPs and their binding affinities to sex pheromones, the functional characteristics of PBPs in the natural environment is still obscure. Recent developments in genome editing have begun to enable the functional examination of PBPs in in vivo. Among insect PBPs, BmPBP1 is one of the most well-characterized, there being rich understanding of its structure, biochemical analysis, binding affinity, localization, and the relationship between the type of olfactory receptors and its expression. A recent study has shown that BmPBP1 contributes sensitivity, but not selectivity of sex pheromone detection in the silkmoth Bombyx mori. In this chapter, based on a current report of the functional characterization of BmPBP1 using genome editing, we provide one example of a useful analytical method to clarify the functional role of PBP in vivo.
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18
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Adedeji AA, Ekramirad N, Rady A, Hamidisepehr A, Donohue KD, Villanueva RT, Parrish CA, Li M. Non-Destructive Technologies for Detecting Insect Infestation in Fruits and Vegetables under Postharvest Conditions: A Critical Review. Foods 2020; 9:E927. [PMID: 32674380 PMCID: PMC7404779 DOI: 10.3390/foods9070927] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 07/04/2020] [Accepted: 07/06/2020] [Indexed: 01/06/2023] Open
Abstract
In the last two decades, food scientists have attempted to develop new technologies that can improve the detection of insect infestation in fruits and vegetables under postharvest conditions using a multitude of non-destructive technologies. While consumers' expectations for higher nutritive and sensorial value of fresh produce has increased over time, they have also become more critical on using insecticides or synthetic chemicals to preserve food quality from insects' attacks or enhance the quality attributes of minimally processed fresh produce. In addition, the increasingly stringent quarantine measures by regulatory agencies for commercial import-export of fresh produce needs more reliable technologies for quickly detecting insect infestation in fruits and vegetables before their commercialization. For these reasons, the food industry investigates alternative and non-destructive means to improve food quality. Several studies have been conducted on the development of rapid, accurate, and reliable insect infestation monitoring systems to replace invasive and subjective methods that are often inefficient. There are still major limitations to the effective in-field, as well as postharvest on-line, monitoring applications. This review presents a general overview of current non-destructive techniques for the detection of insect damage in fruits and vegetables and discusses basic principles and applications. The paper also elaborates on the specific post-harvest fruit infestation detection methods, which include principles, protocols, specific application examples, merits, and limitations. The methods reviewed include those based on spectroscopy, imaging, acoustic sensing, and chemical interactions, with greater emphasis on the noninvasive methods. This review also discusses the current research gaps as well as the future research directions for non-destructive methods' application in the detection and classification of insect infestation in fruits and vegetables.
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Affiliation(s)
- Akinbode A. Adedeji
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40546, USA; (N.E.); (A.R.); (A.H.); (M.L.)
| | - Nader Ekramirad
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40546, USA; (N.E.); (A.R.); (A.H.); (M.L.)
| | - Ahmed Rady
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40546, USA; (N.E.); (A.R.); (A.H.); (M.L.)
- Department of Biosystems and Agricultural Engineering, Alexandria University, Alexandria 21526, Egypt
| | - Ali Hamidisepehr
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40546, USA; (N.E.); (A.R.); (A.H.); (M.L.)
| | - Kevin D. Donohue
- Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506, USA; (K.D.D.); (C.A.P.)
| | - Raul T. Villanueva
- Department of Entomology, University of Kentucky, Princeton, KY 42445-0469, USA;
| | - Chadwick A. Parrish
- Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506, USA; (K.D.D.); (C.A.P.)
| | - Mengxing Li
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40546, USA; (N.E.); (A.R.); (A.H.); (M.L.)
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19
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The Emergence of Insect Odorant Receptor-Based Biosensors. BIOSENSORS-BASEL 2020; 10:bios10030026. [PMID: 32192133 PMCID: PMC7146604 DOI: 10.3390/bios10030026] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 12/28/2022]
Abstract
The olfactory receptor neurons of insects and vertebrates are gated by odorant receptor (OR) proteins of which several members have been shown to exhibit remarkable sensitivity and selectivity towards volatile organic compounds of significant importance in the fields of medicine, agriculture and public health. Insect ORs offer intrinsic amplification where a single binding event is transduced into a measurable ionic current. Consequently, insect ORs have great potential as biorecognition elements in many sensor configurations. However, integrating these sensing components onto electronic transducers for the development of biosensors has been marginal due to several drawbacks, including their lipophilic nature, signal transduction mechanism and the limited number of known cognate receptor-ligand pairs. We review the current state of research in this emerging field and highlight the use of a group of indole-sensitive ORs (indolORs) from unexpected sources for the development of biosensors.
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20
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Shiota Y, Sakurai T. Molecular Mechanisms of Sex Pheromone Reception in Moths. INSECT SEX PHEROMONE RESEARCH AND BEYOND 2020. [DOI: 10.1007/978-981-15-3082-1_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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21
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Misawa N, Osaki T, Takeuchi S. Membrane protein-based biosensors. J R Soc Interface 2019; 15:rsif.2017.0952. [PMID: 29669891 DOI: 10.1098/rsif.2017.0952] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 03/19/2018] [Indexed: 01/09/2023] Open
Abstract
This review highlights recent development of biosensors that use the functions of membrane proteins. Membrane proteins are essential components of biological membranes and have a central role in detection of various environmental stimuli such as olfaction and gustation. A number of studies have attempted for development of biosensors using the sensing property of these membrane proteins. Their specificity to target molecules is particularly attractive as it is significantly superior to that of traditional human-made sensors. In this review, we classified the membrane protein-based biosensors into two platforms: the lipid bilayer-based platform and the cell-based platform. On lipid bilayer platforms, the membrane proteins are embedded in a lipid bilayer that bridges between the protein and a sensor device. On cell-based platforms, the membrane proteins are expressed in a cultured cell, which is then integrated in a sensor device. For both platforms we introduce the fundamental information and the recent progress in the development of the biosensors, and remark on the outlook for practical biosensing applications.
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Affiliation(s)
- Nobuo Misawa
- Artificial Cell Membrane Systems Group, Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu, Kawasaki 213-0012, Japan
| | - Toshihisa Osaki
- Artificial Cell Membrane Systems Group, Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu, Kawasaki 213-0012, Japan.,Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan
| | - Shoji Takeuchi
- Artificial Cell Membrane Systems Group, Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu, Kawasaki 213-0012, Japan .,Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan
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22
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Hirata Y, Morimoto Y, Nam E, Takeuchi S. Portable biohybrid odorant sensors using cell-laden collagen micropillars. LAB ON A CHIP 2019; 19:1971-1976. [PMID: 30997462 DOI: 10.1039/c9lc00131j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Biohybrid odorant sensors (BOSs) composed of biological materials and artificial detectors have recently attracted much attention due to their high degree of sensitivity and selectivity. Although portability is crucial for the practical use of BOSs on site, the currently used artificial detectors for biological signals are unportable. In this study, we propose a portable cell-based odorant sensor, which uses cell-laden collagen micropillars to compensate the low optical abilities of portable artificial detectors. The micropillars were composed of HEK293T cells expressing olfactory receptors, which emit a fluorescence signal based on the extent of odorant stimulation using a calcium fluorescent indicator. By stacking cells vertically in the micropillars, we achieved different levels of amplification of the fluorescence signals by varying the height of the micropillars. As a working demonstration of the portable BOS, we successfully detected different concentrations of odorants using an inexpensive web camera. The BOS was also able to distinguish the slight differences between an agonist and an antagonist. We believe that the portability of our BOS would facilitate its applications in point-of-care testing and on-site detection of hazardous materials.
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Affiliation(s)
- Yusuke Hirata
- Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan.
| | - Yuya Morimoto
- Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan.
| | - Eunryel Nam
- Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan.
| | - Shoji Takeuchi
- Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan. and International Research Center for Neurointelligence, The University of Tokyo Institutes for Advanced Study, The University of Tokyo, Tokyo 153-8505, Japan
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23
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Lu D, Xu Q, Pang G. A bombykol electrochemical receptor sensor and its kinetics. Bioelectrochemistry 2019; 128:263-273. [PMID: 31051432 DOI: 10.1016/j.bioelechem.2019.04.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 04/09/2019] [Accepted: 04/09/2019] [Indexed: 12/13/2022]
Abstract
This study aimed to explore the interaction between bombykol and BmOR1 and also provide a paradigm for agroforestry pest control. The electrochemical biosensor signal amplification system was used: nanogold with horseradish peroxidase. An electrochemical bilayer nanogold membrane receptor sensor was developed using the following schemes and processes: twice self-assembly of nanogold and succeeding absorption of Bombyx mori olfactory receptor 1 (BmOR1); sex pheromone-binding protein; spectral scanning and transmission electron microscope to characterize nanogold sol; and atomic force microscope, cyclic voltammetry, and AC impedance methods to characterize individual processes of sensor assembly. The amperometric I-T curve was adopted to measure the response current upon interaction with different concentrations of bombykol (diluted in phosphate-buffered saline) and BmOR1. The results demonstrated the receptor-ligand interaction pattern, which was similar to enzymatic reaction kinetics, with the activation constant Ka of up to 8.57 × 10-20 mol/L and signal magnification of about 10,000-fold. In this study, the simulation of intracellular receptor signaling cascade by an electrochemical signal amplification system helped in directly measuring BmOR1-bombykol ligand interaction and exploring the kinetics after the self-assembly of BmOR1 on the biosensor. It provided a novel platform for future studies on receptor-ligand interaction.
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Affiliation(s)
- Dingqiang Lu
- College of Biotechnology & Food Science, Tianjin University of Commerce, Tianjin 300134, China; Tianjin Key Laboratory of Food Biotechnology, Tianjin 300134, China
| | - Qiuda Xu
- College of Biotechnology & Food Science, Tianjin University of Commerce, Tianjin 300134, China; Tianjin Key Laboratory of Food Biotechnology, Tianjin 300134, China
| | - Guangchang Pang
- College of Biotechnology & Food Science, Tianjin University of Commerce, Tianjin 300134, China.
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24
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Misawa N, Fujii S, Kamiya K, Osaki T, Takaku T, Takahashi Y, Takeuchi S. Construction of a Biohybrid Odorant Sensor Using Biological Olfactory Receptors Embedded into Bilayer Lipid Membrane on a Chip. ACS Sens 2019; 4:711-716. [PMID: 30829476 DOI: 10.1021/acssensors.8b01615] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
This paper describes an odorant sensor based on mosquito olfactory receptors (ORs) that is sensitive to the volatile organic compound octenol. The ORs and OR coreceptors were reconstructed in the lipid bilayer membrane in a chamber device equipped with electrodes. Using this odorant sensor, we obtained ion current changes caused by specific OR responses to octenol. We installed the odorant sensor into a mobile robot and succeeded in the demonstration of coupling octenol gas detection and robot actuation. We believe that this biohybrid odorant sensing system will be a key technology for future artificial olfaction.
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Affiliation(s)
- Nobuo Misawa
- Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa 213-0012, Japan
| | - Satoshi Fujii
- Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa 213-0012, Japan
| | - Koki Kamiya
- Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa 213-0012, Japan
| | - Toshihisa Osaki
- Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa 213-0012, Japan
- Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan
| | - Tomoyuki Takaku
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, Konohana, Osaka 554-8558, Japan
| | - Yasuhiko Takahashi
- Environmental Health Science Laboratory, Sumitomo Chemical Company, Limited, Konohana, Osaka 554-8558, Japan
| | - Shoji Takeuchi
- Kanagawa Institute of Industrial Science and Technology, Kawasaki, Kanagawa 213-0012, Japan
- Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan
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25
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Biomimetic Membranes with Transmembrane Proteins: State-of-the-Art in Transmembrane Protein Applications. Int J Mol Sci 2019; 20:ijms20061437. [PMID: 30901910 PMCID: PMC6472214 DOI: 10.3390/ijms20061437] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/26/2019] [Accepted: 03/13/2019] [Indexed: 12/14/2022] Open
Abstract
In biological cells, membrane proteins are the most crucial component for the maintenance of cell physiology and processes, including ion transportation, cell signaling, cell adhesion, and recognition of signal molecules. Therefore, researchers have proposed a number of membrane platforms to mimic the biological cell environment for transmembrane protein incorporation. The performance and selectivity of these transmembrane proteins based biomimetic platforms are far superior to those of traditional material platforms, but their lack of stability and scalability rule out their commercial presence. This review highlights the development of transmembrane protein-based biomimetic platforms for four major applications, which are biosensors, molecular interaction studies, energy harvesting, and water purification. We summarize the fundamental principles and recent progress in transmembrane protein biomimetic platforms for each application, discuss their limitations, and present future outlooks for industrial implementation.
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26
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Murugathas T, Zheng HY, Colbert D, Kralicek AV, Carraher C, Plank NOV. Biosensing with Insect Odorant Receptor Nanodiscs and Carbon Nanotube Field-Effect Transistors. ACS APPLIED MATERIALS & INTERFACES 2019; 11:9530-9538. [PMID: 30740970 DOI: 10.1021/acsami.8b19433] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Insect odorant receptors have been reconstituted into lipid nanodiscs and tethered to carbon nanotube field-effect transistors to function as a biosensor. Here, four different insect odorant receptors (ORs) from Drosophila melanogaster (DmelOR10a, DmelOR22a, DmelOR35a, and DmelOR71a) were expressed in Sf9 cells, purified, and reconstituted into lipid nanodiscs. We have demonstrated that each of these ORs produce a selective and highly sensitive electrical response to their respective positive ligands, methyl salicylate, methyl hexanoate, trans-2-hexen-1-al, and 4-ethylguaiacol, with limits of detection in the low femtomolar range. No detection was observed for each OR against control ligands, and empty nanodiscs showed no specific sensor signal for any of the odorant molecules. Our results are the first evidence that insect ORs can be integrated into lipid nanodiscs and used as primary sensing elements for bioelectronic nose technologies.
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Affiliation(s)
- Thanihaichelvan Murugathas
- School of Chemical and Physical Sciences , Victoria University of Wellington , Wellington 6021 , New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology , Wellington 6021 , New Zealand
- Department of Physics , University of Jaffna , Jaffna 40000 , Sri Lanka
| | - Han Yue Zheng
- School of Chemical and Physical Sciences , Victoria University of Wellington , Wellington 6021 , New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology , Wellington 6021 , New Zealand
| | - Damon Colbert
- The New Zealand Institute for Plant & Food Research Ltd. , Auckland 1142 , New Zealand
| | - Andrew V Kralicek
- The New Zealand Institute for Plant & Food Research Ltd. , Auckland 1142 , New Zealand
| | - Colm Carraher
- The New Zealand Institute for Plant & Food Research Ltd. , Auckland 1142 , New Zealand
| | - Natalie O V Plank
- School of Chemical and Physical Sciences , Victoria University of Wellington , Wellington 6021 , New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology , Wellington 6021 , New Zealand
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27
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Khadka R, Aydemir N, Carraher C, Hamiaux C, Colbert D, Cheema J, Malmström J, Kralicek A, Travas-Sejdic J. An ultrasensitive electrochemical impedance-based biosensor using insect odorant receptors to detect odorants. Biosens Bioelectron 2019; 126:207-213. [DOI: 10.1016/j.bios.2018.10.043] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 10/18/2018] [Accepted: 10/22/2018] [Indexed: 12/30/2022]
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28
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Xu Q, Lu D, Pang G. Study on Bombykol Receptor Self-Assembly and Universality of G Protein Cellular Signal Amplification System. ACS Sens 2019; 4:257-264. [PMID: 30618240 DOI: 10.1021/acssensors.8b01446] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The G protein cascade amplification system couples with several receptors to sense/amplify the cellular signal, implying universal application. In order to explore whether GPCRs can trigger G protein signal amplification in tissues/cells from different species, bombykol receptor was isolated and purified from antennas of male Bombyx mori, which subsequently self-assembled on the cell membrane in rat taste buds/rat vomeronasa/catfish tentacles/taste bud tissues of rabbits/pig/cattle in those lacking endogenous bombykol receptor, followed by immobilization between two sheets of nucleopore membranes fixed by sodium alginate-starch gel, forming the sandwich-type sensing membrane, which in turn was immobilized on the glass-carbon electrode. Thus, bombykol receptor sensors were established with different tissues. The response current of bombykol receptor sensor toward bombykol was measured with an electrochemical workstation. Every bombykol receptor sensor could sense bombykol based on enzyme-substrate kinetics. The double reciprocal plot and the activation constant values of bombykol receptor sensors assembled with rat taste buds, rat vomeronasa, catfish tentacles, rabbit taste buds, pig taste buds, and cattle taste buds were calculated. Approximately 2-3 receptors could trigger the G protein cascade amplification system and achieve the maximum signal output. Moreover, the detection lower limit indicated that the bombykol receptor self-assembled on the cell membranes of different tissues that transmitted and amplified the bombykol signal with hypersensitivity. Also, cattle taste bud tissues served as an ideal system for heterogeneous GPCRs self-assembly and signal sensing/amplification. This sensing technique and method had promising potential in studies of biological pest control, sex pheromone detection, and receptor structure and function.
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Affiliation(s)
- Qiuda Xu
- College of Biotechnology & Food Science, Tianjin University of Commerce, Tianjin 300134, China
- Tianjin Key Laboratory of Food Biotechnology, Tianjin 300134, China
| | - Dingqiang Lu
- College of Biotechnology & Food Science, Tianjin University of Commerce, Tianjin 300134, China
- Tianjin Key Laboratory of Food Biotechnology, Tianjin 300134, China
- College of Biotechnology, Tianjin University of Science &Technology, Tianjin 300457, China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin 300457, China
| | - Guangchang Pang
- College of Biotechnology & Food Science, Tianjin University of Commerce, Tianjin 300134, China
- Tianjin Key Laboratory of Food Biotechnology, Tianjin 300134, China
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29
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Kim S, Kim SY, Choi SK, Bae J, Jeon WB, Jang JE, Moon C. Spheroid Culture of Mammalian Olfactory Receptor Neurons: Potential Applications for a Bioelectronic Nose. Exp Neurobiol 2018; 27:574-592. [PMID: 30636907 PMCID: PMC6318561 DOI: 10.5607/en.2018.27.6.574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 11/13/2018] [Accepted: 11/22/2018] [Indexed: 11/19/2022] Open
Abstract
The olfactory system can detect many odorants with high sensitivity and selectivity based on the expression of nearly a thousand types of olfactory receptors (ORs) in olfactory receptor neurons (ORNs). These ORs have a dynamic odorant detection range and contribute to signal encoding processes in the olfactory bulb (OB). To harness the capabilities of the olfactory system and develop a biomimetic sensor, stable culture and maintenance of ORNs are required. However, in vitro monolayer culture models have several key limitations: i) short available period of cultured neurons, ii) low cultural efficiency, and iii) long-term storage challenges. This study aims to develop a technique: i) to support the spheroid culture of primary ORN precursors facilitating stable maintenance and long-term storage, and ii) to demonstrate the viability of ORN spheroid culture in developing an olfactory system mimetic bioelectronic nose. Recombinant protein (REP; TGPG[VGRGD(VGVPG)6]20WPC) was used to form the ORN spheroids. Spheroid formation enabled preservation of primary cultured ORNs without a significant decrease in viability or the expression of stemness markers for ten days. Physiological characteristics of the ORNs were verified by monitoring intracellular calcium concentration upon odorant mixture stimulation; response upon odorant stimulation were observed at least for ten days in these cultivated ORNs differentiated from spheroids. Coupling ORNs with multi electrode array (MEA) enabled the detection and discrimination of odorants by analyzing the electrical signal patterns generated following odorant stimulation. Taken together, the ORN spheroid culture process is a promising technique for the development of a bioelectronic nose and high-throughput odorant screening device.
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Affiliation(s)
- Samhwan Kim
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - So Yeun Kim
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.,Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - Seong-Kyun Choi
- Core Protein Resources Center, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - Jisub Bae
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - Won Bae Jeon
- Companion Diagnostics and Medical Technology Research Group, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - Jae Eun Jang
- Department of Information and Communication Engineering, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - Cheil Moon
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.,Convergence Research Advanced Centre for Olfaction, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
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30
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Kida H, Fukutani Y, Mainland JD, de March CA, Vihani A, Li YR, Chi Q, Toyama A, Liu L, Kameda M, Yohda M, Matsunami H. Vapor detection and discrimination with a panel of odorant receptors. Nat Commun 2018; 9:4556. [PMID: 30385742 PMCID: PMC6212438 DOI: 10.1038/s41467-018-06806-w] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 09/04/2018] [Indexed: 12/29/2022] Open
Abstract
Olfactory systems have evolved the extraordinary capability to detect and discriminate volatile odorous molecules (odorants) in the environment. Fundamentally, this process relies on the interaction of odorants and their cognate olfactory receptors (ORs) encoded in the genome. Here, we conducted a cell-based screen using over 800 mouse ORs against seven odorants, resulting in the identification of a set of high-affinity and/or broadly-tuned ORs. We then test whether heterologously expressed ORs respond to odors presented in vapor phase by individually expressing 31 ORs to measure cAMP responses against vapor phase odor stimulation. Comparison of response profiles demonstrates this platform is capable of discriminating between structural analogs. Lastly, co-expression of carboxyl esterase Ces1d expressed in olfactory mucosa resulted in marked changes in activation of specific odorant-OR combinations. Altogether, these results establish a cell-based volatile odor detection and discrimination platform and form the basis for an OR-based volatile odor sensor. Biomimetic “noses” have been proposed to replace trained animals for chemical detection. Here the authors select 31 mouse olfactory receptors (ORs), based on a large cell-based screen of >800 ORs against seven chemicals, to build an OR-based sensor able to discriminate structurally similar compounds.
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Affiliation(s)
- Hitoshi Kida
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan
| | - Yosuke Fukutani
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan
| | - Joel D Mainland
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA.,Monell Chemical Senses Center, Philadelphia, PA, 19104, USA.,Department of Neuroscience, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Claire A de March
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA
| | - Aashutosh Vihani
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Neurobiology, Neurobiology graduate program, Duke University Medical Center, Durham, NC, 27710, USA
| | - Yun Rose Li
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Radiation Oncology, Helen Diller Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, USA
| | - Qiuyi Chi
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA
| | - Akemi Toyama
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA
| | - Linda Liu
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA
| | - Masaharu Kameda
- Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan.,Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan
| | - Masafumi Yohda
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan.,Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan
| | - Hiroaki Matsunami
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, 27710, USA. .,Department of Neurobiology, Neurobiology graduate program, Duke University Medical Center, Durham, NC, 27710, USA. .,Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan. .,Duke Institute for Brain Sciences, Duke University, Durham, NC, 27710, USA.
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31
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Leitch O, Lennard C, Paul Kirkbride K, Anderson A. Drosophila melanogaster odorant receptors as volatile compound detectors in forensic science: a proof-of-concept study. Anal Bioanal Chem 2018; 410:7739-7747. [PMID: 30280229 DOI: 10.1007/s00216-018-1390-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 09/05/2018] [Accepted: 09/19/2018] [Indexed: 01/05/2023]
Abstract
The ability to detect and identify substances based on the volatile compounds (odors) they emit is relied upon heavily for numerous investigative purposes. Animals have an innate olfactory sensitivity and selectivity that out-performs current instrumentation. This has led to immense interest in their employment as chemical sensors for a range of applications, including forensic science, both as whole organisms and as sensing elements in biosensors. Using electrophysiological and calcium imaging assays, this research examined the response of Drosophila melanogaster olfactory receptors (ORs) to odor compounds significant in forensic science and assessed their potential utility as volatile compound sensors. This investigation illustrated the different sensitivities, selectivities, and sensing features of individual ORs and demonstrated that their employment for detection purposes is feasible. While further research expanding on this study will be required to demonstrate the performance characteristics that an OR-based detection system will ultimately possess, this research provides an encouraging first step towards the goal of utilizing isolated biological ORs as volatile compound sensors in forensic science.
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Affiliation(s)
- Olivia Leitch
- National Centre for Forensic Studies, University of Canberra, Canberra, ACT, 2601, Australia. .,CSIRO Health and Biosecurity, Canberra, ACT, 2601, Australia. .,School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
| | - Chris Lennard
- National Centre for Forensic Studies, University of Canberra, Canberra, ACT, 2601, Australia.,School of Science and Health, Western Sydney University, Penrith, NSW, 2751, Australia
| | - K Paul Kirkbride
- The College of Science and Engineering, Flinders University, Bedford Park, SA, 5042, Australia
| | - Alisha Anderson
- CSIRO Health and Biosecurity, Canberra, ACT, 2601, Australia
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32
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In vivo functional characterisation of pheromone binding protein-1 in the silkmoth, Bombyx mori. Sci Rep 2018; 8:13529. [PMID: 30202026 PMCID: PMC6131395 DOI: 10.1038/s41598-018-31978-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 08/31/2018] [Indexed: 11/11/2022] Open
Abstract
Male moths detect sex pheromones emitted by conspecific females with high sensitivity and specificity by the olfactory sensilla on their antennae. Pheromone binding proteins (PBPs) are highly enriched in the sensillum lymph of pheromone sensitive olfactory sensilla and are supposed to contribute to the sensitivity and selectivity of pheromone detection in moths. However, the functional role of PBPs in moth sex pheromone detection in vivo remains obscure. In the silkmoth, Bombyx mori, female moths emit bombykol as a single attractive sex pheromone component along with a small amount of bombykal that negatively modulates the behavioural responses to bombykol. A pair of olfactory receptor neurons, specifically tuned to bombykol or bombykal, co-localise in the trichodeum sensilla, the sensillum lymph of which contains a single PBP, namely, BmPBP1. We analysed the roles of BmPBP1 using BmPBP1-knockout silkmoth lines generated by transcription activator-like effector nuclease-mediated gene targeting. Electroantennogram analysis revealed that the peak response amplitudes of BmPBP1-knockout male antennae to bombykol and bombykal were significantly reduced by a similar percentage when compared with those of the wild-type males. Our results indicate that BmPBP1 plays a crucial role in enhancing the sensitivity, but not the selectivity, of sex pheromone detection in silkmoths.
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33
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Barbosa AJM, Oliveira AR, Roque ACA. Protein- and Peptide-Based Biosensors in Artificial Olfaction. Trends Biotechnol 2018; 36:1244-1258. [PMID: 30213453 DOI: 10.1016/j.tibtech.2018.07.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/04/2018] [Accepted: 07/05/2018] [Indexed: 12/14/2022]
Abstract
Animals' olfactory systems rely on proteins, olfactory receptors (ORs) and odorant-binding proteins (OBPs), as their native sensing units to detect odours. Recent advances demonstrate that these proteins can also be employed as molecular recognition units in gas-phase biosensors. In addition, the interactions between odorant molecules and ORs or OBPs are a source of inspiration for designing peptides with tunable odorant selectivity. We review recent progress in gas biosensors employing biological units (ORs, OBPs, and peptides) in light of future developments in artificial olfaction, emphasizing examples where biological components have been employed to detect gas-phase analytes.
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Affiliation(s)
- Arménio J M Barbosa
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Ana Rita Oliveira
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Ana C A Roque
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
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34
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Cave JW, Wickiser JK, Mitropoulos AN. Progress in the development of olfactory-based bioelectronic chemosensors. Biosens Bioelectron 2018; 123:211-222. [PMID: 30201333 DOI: 10.1016/j.bios.2018.08.063] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 08/18/2018] [Accepted: 08/25/2018] [Indexed: 12/13/2022]
Abstract
Artificial chemosensory devices have a wide range of applications in industry, security, and medicine. The development of these devices has been inspired by the speed, sensitivity, and selectivity by which the olfactory system in animals can probe the chemical nature of the environment. In this review, we examine how molecular and cellular components of natural olfactory systems have been incorporated into artificial chemosensors, or bioelectronic sensors. We focus on the biological material that has been combined with signal transduction systems to develop artificial chemosensory devices. The strengths and limitations of different biological chemosensory material at the heart of these devices, as well as the reported overall effectiveness of the different bioelectronic sensor designs, is examined. This review also discusses future directions and challenges for continuing to advance development of bioelectronic sensors.
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Affiliation(s)
- John W Cave
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY, United States; Burke Neurological Institute, White Plains, NY, United States; Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, United States
| | - J Kenneth Wickiser
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY, United States
| | - Alexander N Mitropoulos
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY, United States; Department of Mathematical Sciences, United States Military Academy, West Point, NY, United States.
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35
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Brezolin AN, Martinazzo J, Muenchen DK, de Cezaro AM, Rigo AA, Steffens C, Steffens J, Blassioli-Moraes MC, Borges M. Tools for detecting insect semiochemicals: a review. Anal Bioanal Chem 2018; 410:4091-4108. [DOI: 10.1007/s00216-018-1118-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 04/24/2018] [Accepted: 04/27/2018] [Indexed: 12/22/2022]
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36
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Zhang X, Cheng J, Wu L, Mei Y, Jaffrezic-Renault N, Guo Z. An overview of an artificial nose system. Talanta 2018; 184:93-102. [PMID: 29674088 DOI: 10.1016/j.talanta.2018.02.113] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 01/31/2018] [Accepted: 02/28/2018] [Indexed: 12/22/2022]
Abstract
The present review describes recent advances in the development of an artificial nose system based on olfactory receptors and various sensing platforms. The kind of artificial nose, the production of olfactory receptors, the sensor platform for signal conversion and the application of the artificial nose system based on olfactory receptors and various sensing platforms are presented. The associated transduction modes are also discussed. The paper presents a review of the latest achievements and a critical evaluation of the state of the art in the field of artificial nose systems.
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Affiliation(s)
- Xiu Zhang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Jing Cheng
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Lei Wu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan 430065, PR China
| | - Yong Mei
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan 430065, PR China.
| | - Nicole Jaffrezic-Renault
- Institute of Analytical Sciences, UMR-CNRS 5280, University of Lyon, 5, La Doua Street, Villeurbanne 69100, France.
| | - Zhenzhong Guo
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan 430065, PR China.
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37
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Terutsuki D, Mitsuno H, Sakurai T, Okamoto Y, Tixier-Mita A, Toshiyoshi H, Mita Y, Kanzaki R. Increasing cell-device adherence using cultured insect cells for receptor-based biosensors. ROYAL SOCIETY OPEN SCIENCE 2018; 5:172366. [PMID: 29657822 PMCID: PMC5882746 DOI: 10.1098/rsos.172366] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 02/19/2018] [Indexed: 06/01/2023]
Abstract
Field-effect transistor (FET)-based biosensors have a wide range of applications, and a bio-FET odorant sensor, based on insect (Sf21) cells expressing insect odorant receptors (ORs) with sensitivity and selectivity, has emerged. To fully realize the practical application of bio-FET odorant sensors, knowledge of the cell-device interface for efficient signal transfer, and a reliable and low-cost measurement system using the commercial complementary metal-oxide semiconductor (CMOS) foundry process, will be indispensable. However, the interfaces between Sf21 cells and sensor devices are largely unknown, and electrode materials used in the commercial CMOS foundry process are generally limited to aluminium, which is reportedly toxic to cells. In this study, we investigated Sf21 cell-device interfaces by developing cross-sectional specimens. Calcium imaging of Sf21 cells expressing insect ORs was used to verify the functions of Sf21 cells as odorant sensor elements on the electrode materials. We found that the cell-device interface was approximately 10 nm wide on average, suggesting that the adhesion mechanism of Sf21 cells may differ from that of other cells. These results will help to construct accurate signal detection from expressed insect ORs using FETs.
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Affiliation(s)
- Daigo Terutsuki
- Department of Advanced Interdisciplinary Studies, Graduate School of Engineering, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
| | - Hidefumi Mitsuno
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
| | - Takeshi Sakurai
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
| | - Yuki Okamoto
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Agnès Tixier-Mita
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
| | - Hiroshi Toshiyoshi
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
| | - Yoshio Mita
- Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Ryohei Kanzaki
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
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38
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Pest Management in Stored Products: The Case of the Cigarette Beetle, Lasioderma serricorne (Coleoptera: Anobiidae). SUSTAINABLE AGRICULTURE REVIEWS 27 2018. [DOI: 10.1007/978-3-319-75190-0_3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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39
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A novel bio-engineering approach to generate an eminent surface-functionalized template for selective detection of female sex pheromone of Helicoverpa armigera. Sci Rep 2016; 6:37355. [PMID: 27892521 PMCID: PMC5124941 DOI: 10.1038/srep37355] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 10/25/2016] [Indexed: 12/15/2022] Open
Abstract
Plant pests exert serious effects on food production due to which the global crop yields are reduced by ~20–40 percent per year. Hence to meet the world’s food needs, loses of food due to crop pests must be reduced. Herein the silicon dioxide based MEMS devices are covalently functionalized for robust and efficient optical sensing of the female sex pheromones of the pests like Helicoverpa armigera for the first time in literature. The functionalized devices are also capable of selectively measuring the concentration of this pheromone at femtogram level which is much below the concentration of pheromone at the time of pest infestation in an agricultural field. Experiments are also performed in a confined region in the presence of male and female pests and tomato plants which directly mimics the real environmental conditions. Again the reversible use and absolutely trouble free transportation of these pheromone nanosensors heightens their potentials for commercial use. Overall, a novel and unique approach for the selective and reversible sensing of female sex pheromones of certain hazardous pests is reported herein which may be efficiently and economically carried forward from the research laboratory to the agricultural field.
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40
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Termtanasombat M, Mitsuno H, Misawa N, Yamahira S, Sakurai T, Yamaguchi S, Nagamune T, Kanzaki R. Cell-Based Odorant Sensor Array for Odor Discrimination Based on Insect Odorant Receptors. J Chem Ecol 2016; 42:716-24. [DOI: 10.1007/s10886-016-0726-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/22/2016] [Accepted: 06/29/2016] [Indexed: 10/21/2022]
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Antennal transcriptome analysis of the Asian longhorned beetle Anoplophora glabripennis. Sci Rep 2016; 6:26652. [PMID: 27222053 PMCID: PMC4879564 DOI: 10.1038/srep26652] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 05/04/2016] [Indexed: 11/11/2022] Open
Abstract
Olfactory proteins form the basis of insect olfactory recognition, which is crucial for host identification, mating, and oviposition. Using transcriptome analysis of Anoplophora glabripennis antenna, we identified 42 odorant-binding proteins (OBPs), 12 chemosensory proteins (CSPs), 14 pheromone-degrading enzymes (PDEs), 1 odorant-degrading enzymes (ODE), 37 odorant receptors (ORs), 11 gustatory receptors (GRs), 2 sensory neuron membrane proteins (SNMPs), and 4 ionotropic receptor (IR). All CSPs and PBPs were expressed in antennae, confirming the authenticity of the transcriptome data. CSP expression profiles showed that AglaCSP3, AglaCSP6, and AglaCSP12 were expressed preferentially in maxillary palps and AglaCSP7 and AglaCSP9 were strongly expressed in antennae. The vast majority of CSPs were highly expressed in multiple chemosensory tissues, suggesting their participation in olfactory recognition in almost all olfactory tissues. Intriguingly, the PBP AglaPBP2 was preferentially expressed in antenna, indicating that it is the main protein involved in efficient and sensitive pheromone recognition. Phylogenetic analysis of olfactory proteins indicated AglaGR1 may detect CO2. This study establishes a foundation for determining the chemoreception molecular mechanisms of A. glabripennis, which would provide a new perspective for controlling pest populations, especially those of borers.
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