【原著論文】 Google Scholar
1. C Ho, M Y Emmran, S Ihara, W Huang, S Wakai, W Li, A Okamoto, “Osmium-grafted magnetic nanobeads improve microbial current generation via culture-free and quick enrichment of electrogenic bacteria”, Chemical Engineering Journal, 466, 142936 (2023)
2. X deng, A Okamoto, “Direct extracellular electron transfer to an indium tin doped oxide electrode via heme redox reactions in Desulfovibrio ferrophilus IS5”, Electrochimica Acta 453, 142293 (2023)
3. X Long, Y Tokunou, A Okamoto, “Mechano-control of Extracellular Electron Transport Rate via Modification of Inter-heme Coupling in Bacterial Surface Cytochrome”, Environmental Science & Technology, 57, 19, 7421-7430 (2023)
4. Q Sun, C Ma, W Li, X Li, K Sakamoto, X Liu, A Okamoto, T Minari “Fully Printed Low-Voltage Field-Effect Transitor Biosensor Array for One-Drop Detection of Shewanella MR-1 Bacteria”, ACS Applied Electronic Materials, 5, 5, 2558-2565 (2023)
5. K Shimokawa, S Matsubara, T Kawaguchi, A Okamoto, T Ichitsubo, “Optimizing LiMn15M05O4 cathode materials for aqueous photo-rechargeable batteries”, ChemCommun, Advance Article, (2023)
6. AB Ganganboina, IM Khoris, A Konno, TC Li, A Okamoto, EY Park, “CdSe-Co3O4@TiO2 nanoflower–based photoelectrochemical platform probing visible light–driven virus detection”, Microchimica Acta 190 (1), 46 (2023)
7. X Long, H Zhang, X Cao, H Wang, K Shimokawa, H Chi, C Zhang, A Okamoto, X Li “Biogenic Mn2O3 via the redox of Shewanella oneidensis MR-1 for peroxymonosulfate advanced oxidation”, Separation and Purification Technology, 303, 122144 (2022)
8. X long, W Li, A Okamoto, “Riboflavin-rich agar enhances the rate of extracellular electron transfer from electrogenic bacteria inside a thin-layer system”, Bioelectrochemistry, 148, 108252 (2022)
9. W Miran, W Huang, X Long, G Imamura, A Okamoto, “Multivariate landscapes constructed by Bayesian estimation over five hundred microbial electrochemical time profiles”, Patterns, 3, 100610, 1-9 (2022)
10. S Ihara, S Wakai, T Maehara, A Okamoto, “Electrochemical Enrichment and Isolation of Electrogenic Bacteria from 022 µm Filtrate”, microorganisms, 10, 10, 1-11, (2022)
11. X Deng, D Luo, A Okamoto, “ Electrode hydrophilicity enhanced the rate of extracellular electron uptake in Desulfovibrio ferrophilus IS5, ” Elecrtochimica, 421, 20 July 2022, 140504 (2022)
12. W Miran, X Long, W Huang, A Okamoto, “Current Production Capability of Drug-Resistant Pathogen Enables Its Rapid Label-Free Detection Applicable to Wastewater-Based Epidemiology”, Microorganisms, 10, 2, 10020472 (2022)
13. S Hirano, S Ihara, S Wakai, Y Dotsuta, K Otani, T Kitagaki, F Ueno, A Okamoto, “Novel Methanobacterium Strain Induces Severe Corrosion by Retrieving Electrons from Fe0 under a Freshwater Environment”, Microorganisms, 10, 2, 10020270 (2022)
14. K Shimakawa, S Matsubara, A Okamoto, T Ichitsubo, “Light-induced Li extraction from LiMn2O4/TiO2 in a water-in-salt electrolyte for photo-rechargeable batteries”, Chemical Communications, 58, 69, 9634-9637, (2022)
15. D Naradasu, W Miran, S Sharma, S Takenawa, T Soma, N Nomura, M Toyofuku, A Okamoto, “Biogenesis of Outer Membrane Vesicles Concentrates the Unsaturated Fatty Acid of Phosphatidylinositol in Capnocytophaga ochracea” frontiers in Microbiology, 12 682685 (2021)
16. Y Tokunou, R V Lemos, S Tsujimura, A Okamoto, P Ledezma, S Freguia “Synechococcus and Other Bloom‐Forming Cyanobacteria Exhibit Unique Redox Signatures” ChemElectroChem, 8 2, 360-364 (2021)
17. X Long, A Okamoto, “Outer membrane compositions enhance the rate of extracellular electron transport via cell-surface MtrC protein in Shewanella oneidensis MR-1”, Bioresource Technology, 320, 124290 (2021)
18. R V Lemos, S Tsujimura, P Ledezma, Y Tokunou, A Okamoto, S Freguia, “Extracellular electron transfer by Microcystis aeruginosa is solely driven by high pH”, Bioelectrochemistry, 137, 107637 (2021)
19. J Saito, X Deng, A Okamoto, “Single-Cell Mass Spectroscopic Analysis for Quantifying Active Metabolic Pathway Heterogeneity in a Bacterial Population on an Electrode”, Analytical chemistry, 92 23, 15616-15623 (2020)
20. X Deng, J Saito, A Kaksonen, A Okamoto, “Enhancement of cell growth by uncoupling extracellular electron uptake and oxidative stress production in sediment sulfate-reducing bacteria”, Environment International, 144, 106006 (2020)
21. M Shiibashi, X Deng, W Miran, A Okamoto, “Mechanism of Anaerobic Microbial Corrosion Suppression by Mild Negative Cathodic Polarization on Carbon Steel”, Environmental Science & Technology Letters 7, 690-694 (2020) (IF値 7678)
22. S Hirano, J Saito, T Yukawa, D Sano, A Okamoto, S Okabe, M Kitajima, “Improvement of Electrochemical Conditions for Detecting Redox Reaction of K3 [Fe (CN) 6] toward the Application in Norovirus Aptasensor”, Electrochemistry, 88, 205-209 (2020)
23. D Naradasu, A Guionet, T Okinaga, T Nishihara, A Okamoto, “Electrochemical Characterization of Current Producing Human Oral-pathogens by Whole-Cell Electrochemistry”, ChemElectroChem, 7, 2012-2019 (2020)
24. E La Cava, A Guionet, J Saito, A Okamoto, “Involvement of Proton Transfer for Carbon Dioxide Reduction Coupled with Extracellular Electron Uptake in Shewanella oneidensis MR-1” Electroanalysis, 32 1659-1663 (2020)
25. D Naradasu, A Guionet, W Miran, A Okamoto, “Microbial current production from Streptococcus mutans correlates with biofilm metabolic activity”, Biosensors and Bioelectronics, 112236 (2020) (IF値 10257)
26. D Naradasu, W Miran, A Okamoto, “Metabolic Current Production by an Oral Biofilm Pathogen Corynebacterium matruchotii”, Molecules 25 (14), 3141 (2020)
27. X Deng, N Dohmae, A H Kaksonen, A Okamoto, “Biogenic Iron Sulfide Nanoparticles to Enable Extracellular Electron Uptake in Sulfate-Reducing Bacteria”, Angew Chem Int Ed, 59, 5995-5999 (2020) Selected as VIP paper and Inside Cover
28. A I Garber, K H Nealson, A Okamoto, S M McAllister, C S Chan, R A Barco, N Merino, “FeGenie: A Comprehensive Tool for the Identification of Iron Genes and Iron Gene Neighborhoods in Genome and Metagenome Assemblies”, Front Microbiol, 11, 37 (2020)
29. S Zhang, W Miran, D Naradasu, S Guo, A Okamoto, “A Human Pathogen Capnocytophaga Ochracea Exhibits Current Producing Capability”, Electrochemistry, 88, 224-229 (2020)
30. D Naradasu, W Miran, M Sakamoto, A Okamoto, “Isolation and Characterization of Human Gut Bacteria Capable of Extracellular Electron Transport by Electrochemical Techniques”, Front Microbiol, 9, 3267 (2019)
31. Y Tokunou, A Okamoto, “Geometrical Changes in the Hemes of Bacterial Surface c‐Type Cytochromes Reveal Flexibility in Their Binding Affinity with Minerals”, Langmuir, 35, 7529-7537 (2019)
32. X Deng, N Dohmae, K H Nealson, K Hashimoto, A Okamoto, “Multi-heme Cytochromes Provide a Pathway for Survival in Energy-limited Environments”, Sci Adv, 4, eaao5682 (2018)
33. Y Tokunou, P Chinotaikul, S Hattori, T A Clarke, L Shi, K Hashimoto, K Ishii, A Okamoto, “Whole-cell Circular Dichroism Difference Spectroscopy Reveals an in vivo-specific Deca-heme Conformation in Bacterial Surface Cytochromes”, Chemical Communications, 54, 13933-13936 (2018)
34. M Murugan, W Miran, T Masuda, D S Lee, A Okamoto, “Biosynthesized Iron Sulfide Nanocluster Enhanced Anodic Current Generation by Sulfate Reducing Bacteria in Microbial Fuel Cells”, ChemElectroChem, 5, 4015-4020 (2018)
35. X Deng, A Okamoto, “Electrode Potential Dependency of Single-Cell Activity Identifies the Energetics of Slow Microbial Electron Uptake Process”, Front Microbiol, 9, 2744 (2018)
36. A Okamoto, A R Rowe, X Deng, K H Nealson, “Self-Standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-Site”, J Vis Exp, 137, e57632 (2018)
37. Y Tokunou, K Hashimoto, A Okamoto, “Electrochemical Detection of Deuterium Kinetic Isotope Effect on Extracellular Electron Transport in Shewanella oneidensis MR-1”, J Vis Exp, 134, e57584 (2018)
38. A R Rowe, P Rajeev, A Jain, S Pirbadian, A Okamoto, J A Gralnick, M Y El-Naggar, K H Nealson, “Tracking Electron Uptake from a Cathode into Shewanella Cells: Implications for Energy Acquisition from Solid-Substrate Electron Donors”, mBio, 9, e02203-17 (2018)
39. J Saito, K Hashimoto, A Okamoto, “Nanoscale Secondary Ion Mass Spectrometry Analysis of Individual Bacterial Cells Reveals Feedback from Extracellular Electron Transport to Upstream Reactions”, Electrochemistry, 85, 444-446 (2017)
40. A Okamoto, Y Tokunou, S Kalathil, K Hashimoto, “Proton Transport in the Outer-Membrane Flavocytochrome Complex Limits the Rate of Extracellular Electron Transport”, Angew Chem Int Ed, 56, 9082-9086 (2017)
41. A R Rowe, M Yoshimura, D E LaRowe, L J Bird, J P Amend, K Hashimoto, K H Nealson, A Okamoto, “in situ Electrochemical Enrichment and Isolation of a Magnetite-reducing Bacterium from a High pH Serpentinizing Spring”, Environ Microbiol, 19, 2272-2285 (2017)
42. J Saito, K Hashimoto, A Okamoto, “Flavin as an Indicator of the Rate-Limiting Factor for Microbial Current Production in Shewanella oneidensis MR-1”, Electrochim Acta, 216, 261-265 (2016)
43. Y Tokunou, K Hashimoto, A Okamoto, “Acceleration of Extracellular Electron Transfer by Alternative Redox-Active Molecules to Riboflavin for Outer-Membrane Cytochrome c of Shewanella oneidensis MR-1”, J Phys Chem C, 120, 16168-16173 (2016)
44. K Kondo, A Okamoto, K Hashimoto, R Nakamura, “Sulfur-Mediated Electron Sttling Sustains Microbial Long-Distance Extracellular Electron Transfer with the Aid of Metallic Iron Sulfides”, Langmuir, 31, 7427-7434 (2015)
45. X Deng, R Nakamura, K Hashimoto, A Okamoto, “Electron Extraction from an Extracellular Electrode by Desulfovibrio ferrophilus Strain IS5 without using Hydrogen as an Electron Carrier”, Electrochemistry, 83, 529-531 (2015)
46. A R Rowe, P Chellamuthu, B Lam, A Okamoto, K H Nealson, “Marine Sediment Microbes Capable of Electrode Oxidation as a Surrogate for Lithotrophic Insoluble Substrate Metabolism”, Front Microbiol, 5, 784 (2015)
47. Y Tokunou, K Hashimoto, A Okamoto, “Extracellular Electron Transport Scarcely Accumulates Proton Motive Force in Shewanella oneidensis MR-1”, Bull Chem Soc Jap, 88, 690-692 (2015)
48. A Okamoto, K Saito, K Inoue, K H Nealson, K Hashimoto, R Nakamura, “Uptake of Self-secreted Flavins as Bound Cofactors for Extracellular Electron Transfer in Geobacter species”, Energy and Environmental Science, 7, 1357-1361 (2014) Selected as HOT article
49. S Kalathil, K Hashimoto, A Okamoto, “Effect of Ionic Strength on the Rate of Extracellular Electron Transport in Shewanella oneidensis MR-1 through Bound-Flavin Semiquinones”, ChemElectroChem, 53, 10988-10991 (2014)
50. A Okamoto, S Kalathil, X Deng, K Hashimoto, R Nakamura, K H Nealson, “Cell-secreted Flavins Bound to Membrane Cytochromes Dictate Electron Transfer Reactions to Surfaces with Diverse Charge and pH”, Sci Rep, 4, 5628 (2014)
51. A Okamoto, K Hashimoto, K H Nealson, “Flavin Redox Bifurcation as a Mechanism for Controlling the Direction of Electron Flow during Extracellular Electron Transfer”, Angew Chem Int Ed, 53, 10988-10991 (2014)(IF値 12959)
52. A Okamoto, K Hashimoto, K H Nealson, R Nakamura, “Rate Enhancement of Bacterial Extracellular Electron Transport Involves Bound Flavin Semiquinones”, Proc Natl Acad Sci, USA, 110, 7856-7861 (2013) (IF値 9412) [Published with Commentary article: D J Richardson, et al PNAS 110, 7537-7538 (2013)]
53. R Nakamura, F Kai, A Okamoto, K Hashimoto, “Mechanisms of Long-distance Extracellular Electron Transfer of Metal-reducing Bacteria Mediated by Nanocolloidal Semiconductive Iron Oxides”, J Mater Chem, 1, 5148-5157 (2013)
54. A Okamoto, R Nakamura, K Hashimoto, “Long-range Electron Conduction of Shewanella Biofilms Mediated by Outer Membrane C-type Cytochromes”, Bioelectrochemistry, 85, 61-65 (2012)
55. A Okamoto, R Nakamura, K Hashimoto, “in vivo Identification of Direct Electron Transfer from Shewanella oneidensis MR-1 to Electrodes via Outer Membrane OmcA-MtrCAB Protein Complex”, Electrochimica Acta, 56, 5526-5531 (2011)
56. R Nakamura, A Okamoto, N Tajima, G J Newton, F Kai, T Takashima, K Hashimoto, “Biological Iron-Monosulfide Production for Efficient Electricity Harvesting from a Deep-Sea Metal-Reducing Bacterium”, ChemBioChem, 11, 643-645 (2010)
57. A Okamoto, R Nakamura, K Ishii, K Hashimoto, “in vivo Electrochemistry of C Type Cytochrome-Mediated Electron-Transfer with Chemical Marking”, ChemBioChem, 10, 2329-2332 (2009)
58. R Nakamura, F Kai, A Okamoto, G J Newton, K Hashimoto, “Self-constructed Electrically Conductive Bacterial Networks”, Angew Chem Int Ed, 48, 508-511 (2009)
59. A Okamoto, R Nakamura, H Osawa, K Hashimoto, “Anchored Oxo-Bridged Bimetallic Complexes, (SiO)3-Ti-O-Fe(corrole), on Silica Mesopores as Multi-Electron-Transfer Photosystems”, J Phys Chem C, 112, 19777-19783 (2008)
60. A Okamoto, R Nakamura, H Osawa, K Hashimoto, “Site-specific Synthesis of Oxo-bridged Mixed-valence Binuclear Complexes on Mesoporous Silica”, Langmuir, 24, 7011-7017 (2008)
61. R Nakamura, A Okamoto, H Osawa, H Irie, K Hashimoto, “Design of All-Inorganic Molecular-based Photocatalysts Sensitive to Visible Light: Ti(IV)-O-Ce(III) Bimetallic Assemblies on Mesoporous Silica”, J Am Chem Soc, 129, 3084-3085 (2007)
【書籍】
- 岡本 章玄,「病原細菌の発電機構と応用」,渡辺一哉(監修),バイオテクノロジーシリーズ 微生物を用いた発電および水素生産 第3章 P16-24,シーエムシー出版(2021)
- X. Deng, A. Okamoto, “Exrtacellular Electron Uptake Mechanisms in Sulfate-Reducing Bacteria ”, Electron Based Bioscience and Biotechnology,43-59.(2020).
- J. Saito, M. Murugan, X. Deng, A. Guionet, W. Miran, A. Okamoto, “Electrochemical Techniques and Application to Characterize Single- and Multi-cellular Electric Microbial Functions”, Ed. R. N. Krishnaraj, R. K. Sani, Bioelectrochemical Interface Engineering, Chapter 3, p37-54, Wiley & Sons, Inc. (2019).
- T. Lee, A. Okamoto, S. Jung, R. Nakamura, J. R. Kim, K. Watanabe, K. Hashimoto, “2”, Ed. M. Yates, C. Nakatsu, R. Miller, S. Pillai, Manual of Environmental Microbiology, Fourth Edition, Chapter 5.1.4, p 5.1.4-1-5.1.4-14. ASM Press (2016)
- 神谷和秀, 岡本章玄, 中西周二, 橋本和仁, 「電気化学的手法による廃水浄化」, 三宅淳, 佐々木健(監修), 光合成のエネルギー利用と環境応用, 第3編 16章 p249-258, シーエムシー出版 (2104).
- 岡本章玄, 神谷和秀, 砂田香矢乃, 橋本和仁, 宮本英明, 「排水を燃料にするバイオ電池の実現へ向けて」, 清田馨(編), 宇宙資源展–Pie in the sky 図録, p165-168, 東京大学総合研究博物館 (2013).
- A. Okamoto, K. Hashimoto, R. Nakamura, “Spectroelectrochemical Investigation on Biological Electron Transfer Associated with Anode Performance in Microbial Fuel Cells”, Ed. U. K. Sur, Recent Trend in Electrochemical Science and Technology, p207-222, In-TechOpen (2012).
【総説論文】
- X. Deng, D. Luo, A Okamoto, “Defined and unknown roles of conductive nanoparticles for the enhancement of microbial current generation: A review”, Bioresource Technology, 126844 (2022)
- W. Miran, D. Naradasu, A. Okamoto, “Pathogens electrogenicity as a tool for in-situ metabolic activity monitoring and drug assessment in biofilms”, iScience, 24, 2, 102068 (2021)
- 岡本 章玄,“6.電気細菌が産生する膜小胞の機能と電気共生”,実験科学増刊EVs細胞外小胞の生物学,39,20 2021,132-138(2021)
- 岡本 章玄,“Focus 科学者の探求心にせまる 電気を流す“電気細菌”を研究!メカニズム解明やその利用法の開発に挑む”,ミルシル,14, 5 2021,18-21, (2021)
- 岡本 章玄, “電気細菌学者は電気羊の夢を見るか?”, 日本微生物生態学会誌, 35, 1,14-16 (2020)
- 岡本 章玄, “ブラック電気細菌たちが来た”, 生物工学会誌, 98, 549 (2020)
- 岡本 章玄, “ブラック電気細菌はなぜ・どうやって電子を流すのか?電子移動を自在に操る鉄腐食細菌、病原細菌”, 化学, 75, 66-67 (2020)
- B. J. Little, D. J. Blackwood, J. Hinks, F. M. Lauro, E. Marsili, A. Okamoto, S. A. Rice, S. A. Wade, H-C. Flemming, “Microbially influenced corrosion–any progress?”, Corrosion Science, 170,108641 (2020).
- X. Deng, A. Okamoto, “Energy Acquisition via Electron Uptake by the Sulfate-Reducing Bacterium Desulfovibrio ferrophilus IS5”, Journal of Japanese Society for Extremophiles, 16, 67-75 (2018).
- S. Zhang, N. Merino, A. Okamoto, P. Gedalanga, “InterKingdom Microbial Consortia Mechanisms to Guide Biotechnological Applications”, Microbial Biotechnology., 11, 5, 833-847 (2018).
- 岡本章玄, “微生物燃料電池によるエネルギーと物質生産の同時実現へ向けて”, 月刊バイオインダストリー, 35, 75-83 (2018) .
- A. Okamoto, Y. Tokunou, J. Saito, “Cation-limited Kinetic Model for Microbial Extracellularelectron Transport via an Outer Membrane Cytochrome C Complex”, Biophys. Physicobiol (Biophysics and Physicobiology)., 13, 71-76 (2016).
- 岡本章玄, 徳納吉秀, 斎藤淳貴, ”微生物燃料電池の効率化に向けた細胞外電子移動の速度論研究”, バイオサイエンスとインダストリー, 74, 284-288 (2016).
- 中西周次, 岡本章玄, 橋本和仁, “廃水処理実用技術としての微生物燃料電池:サイエンスから実用化へ”, 電気化学および工業物理化学, 84, 93-98 (2016).
- 岡本章玄, “プロトン駆動力を細胞外へと捨てる微生物外膜タンパク質”, 生物物理, 55,98-100 (2015).
- A. Okamoto, R. Nakamura, K. H. Nealson, K. Hashimoto, “Bound Flavin Model Suggests Similar Electron-Transfer Mechanisms in Shewanella and Geobacter”, ChemElectroChem, 1, 11, 1808-1812 (2014).
- 岡本章玄, “細胞外へと分泌されるフラビン分子の働きとは何か?—細胞外電子移動における鍵酵素中心としてのフラビン分子—”, 日本化学会生体機能関連化学部会ニュースレター, 29, 7-10 (2014).
【受賞】
- 2020年10月 全米医学アカデミー(NAM) 「Healthy Longevity Grand Challenge(HLGC)」The Catalyst Awards 受賞
“Microbial electricity generation from saliva tells your oral health condition:
Electrochemical sensor targeting periodontal pathogen in saliva for the longevity of healthy age”
- 2018年03月 科学技術分野の文部科学大臣表彰 若手科学者賞 (文部科学省)
- 2016年03月 工学研究顕彰賞(一般財団法人総合研究奨励会)
- 2014年10月 若手奨励賞(日本生物物理学会)
- 2014年04月 第94回日本化学会年会 優秀講演賞(学術)(日本化学会)
- 2010年11月 第29回固体・表面光科学討論会 優秀発表賞
- (光化学協会、 日本化学会、 触媒学会、電気化学会の共催)
- 2009年09月 JSPS HOPE Meeting 2009 ポスター賞 (日本学術振興会)
- 2013年12月 井上研究奨励賞(井上科学振興財団)
“Microbial electricity generation from saliva tells your oral health condition:
Electrochemical sensor targeting periodontal pathogen in saliva for the longevity of healthy age”