SAMURAI - NIMS Researchers Database

HOME > Profile > OKAMOTO, Akihiro

  • Publications and presentations

[Research papers] |[Books] |[Proceedings] |[Presentations] |[Patents]

Research papers TSV

2018
  1. Shu Zhang, Nancy Merino, OKAMOTO, Akihiro, Phillip Gedalanga. InterKingdom Microbial Consortia Mechanisms to Guide Biotechnological Applications. Microbial Biotechnology. [5] (2018) 833-847
  2. OKAMOTO, Akihiro, Deng Xiao. Energy Acquisition via Electron Uptake by the Sulfate-Reducing Bacterium Desulfovibrio ferrophilus IS5. Journal of Japanese Society for Extremophiles. [2] (2018) 66-74
  3. Annette R. Rowe, Pournami Rajeev, Abhiney Jain, Sahand Pirbadian, Mohamed Y. El-Naggar, OKAMOTO, Akihiro, Jeffrey A. Gralnick, Kenneth H. Nealson. Tracking Electron Uptake from a Cathode into Shewanella Cells: Implications for Energy Acquisition from Solid-Substrate Electron Donors. MBIO. 9 [1] (2018) e02203-17-1-e02203-17-19
  4. Yoshihide Tokunou, Kazuhito Hashimoto, Akihiro Okamoto. Electrochemical Detection of Deuterium Kinetic Isotope Effect on Extracellular Electron Transport in <em>Shewanella oneidensis</em> MR-1. Journal of Visualized Experiments. [134] (2018) 10.3791/57584
  5. Akihiro Okamoto, Annette Rowe, Xiao Deng, Kenneth H. Nealson. Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site. Journal of Visualized Experiments. [137] (2018) 10.3791/57632
  6. 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. [7] (2018) 75-83
  7. Yoshihide Tokunou, Punthira Chinotaikul, Shingo Hattori, Thomas A. Clarke, Liang Shi, Kazuhito Hashimoto, Kazuyuki Ishii, Akihiro Okamoto. Whole-cell circular dichroism difference spectroscopy reveals an in vivo-specific deca-heme conformation in bacterial surface cytochromes. Chemical Communications. 54 [99] (2018) 13933-13936 10.1039/c8cc06309e
  8. Muralidharan Murugan, Waheed Miran, Takuya Masuda, Dae S. Lee, Akihiro Okamoto. Biosynthesized Iron Sulfide Nanocluster Enhanced Anodic Current Generation by Sulfate Reducing Bacteria in Microbial Fuel Cells. ChemElectroChem. 5 [24] (2018) 4015-4020 10.1002/celc.201801086
  9. Xiao Deng, Akihiro Okamoto. Electrode Potential Dependency of Single-Cell Activity Identifies the Energetics of Slow Microbial Electron Uptake Process. Frontiers in Microbiology. 9 (2018) 10.3389/fmicb.2018.02744
  10. Xiao Deng, Naoshi Dohmae, Kenneth H. Nealson, Kazuhito Hashimoto, Akihiro Okamoto. Multi-heme cytochromes provide a pathway for survival in energy-limited environments. Science Advances. 4 [2] (2018) eaao5682 10.1126/sciadv.aao5682

Proceedings TSV

Presentations TSV

2019
  1. OKAMOTO, Akihiro. Ubiquitous Transmembrane Electric Conduit in Microbial World. MANA- i-MATE Joint Symposium. 2019
  2. OKAMOTO, Akihiro, ミラン ワヒード. Extracellular Electron Transport by Human Gut Bacteria: Electrochemical Techniques for Isolation and Characterization. ISMET7 International Society for Microbial Electrochemistry and Technology Global Conference. 2019
  3. OKAMOTO, Akihiro, ロン シズ. Circular Dichroism spectroscopy for Engineered E.coli surface cytochrome detection. ISMET7 International Society for Microbial Electrochemistry and Technology Global Conference. 2019
  4. OKAMOTO, Akihiro, MURUGAN, Muralidharan. Synergetic current generation across conductive bacterial networks in biomineralized coculture. ISMET7 International Society for Microbial Electrochemistry and Technology Global Conference. 2019
  5. OKAMOTO, Akihiro, NARADASU, Divya. Low Extracellular Electron Transport Facilitate Fermentative Metabolism in oral Pathogen: Possibility of Electrical Symbiosis in Oral plaque. ISMET7  International Society for Microbial Electrochemistry and Technology Global Conference. 2019
  6. OKAMOTO, Akihiro. Extracellular electron transport mechanism for microbial electrode catalysis. The 8th Asian Conference on Colloid & Interface Science. 2019
  7. 岡本 章玄. 口腔内細菌叢における細胞外電子移動に関する研究. 第92回日本生化学会大会. 2019
  8. OKAMOTO, Akihiro. Good and bad living electrode catalysts: Interfacial electron transfer mechanisms between bacteria and electrodes. 5th International Water Industry Conference 2019. 2019
  9. ミラン ワヒード, MURUGAN, Muralidharan, MASUDA, Takuya, Dae Sung Lee, OKAMOTO, Akihiro. In-Situ Biosynthetically Produced Iron Sulfide Nanocluster by Sulfate reducing bacteria Enhanced Anodic Current Generation in Microbial Fuel Cells . 5th International Water Industry Conference 2019. 2019
  10. 岡本 章玄. 発電細菌・固体界面における膜タンパクを介した電子とイオン移動研究の最前線. 第15回固体イオニクスセミナー. 2019
  11. Nancy Merino, OKAMOTO, Akihiro. FeGenie: a bioinformatics tool and database to identify microbial iron-related genes and gene operons in genomes and metagenome assemblies. 2019 NeLLi – Symposium on New Lineages of Life. 2019
  12. OKAMOTO, Akihiro. Transmembrane Electric Wire Synthesized in Living Bacteria. MANA International Symposium. 2019
2018
  1. 岡本 章玄. 微生物鉄腐食研究が進める異分野融合の近況. 微生物腐食分科会. 2018
  2. OKAMOTO, Akihiro, NARADASU, Divya. Low pH induced Extracellular Electron Transfer by an oral pathogen. Interdisciplinary Science & Technology for Safety and Quality of Life 9th Annual ISAJ Symposium. 2018
  3. OKAMOTO, Akihiro. Proton-Coupled Extracellular Electron Transport via Microbial Outer Membrane Flavocytochromes. 2018 MRS Fall Meeging & Exhibit. 2018
  4. 岡本 章玄. 微生物鉄腐食研究が与える異分野融合のチャンス. 日本生物工学会2018年度大会. 2018
  5. OKAMOTO, Akihiro, SAITO, Junki. Simultaneous analysis of single-cell metabolic pathways and bacterial activity with nanoscale secondary ion mass spectrometry (NanoSIMS). 17th International Symposium on Microbial Ecology. 2018
  6. OKAMOTO, Akihiro. Synergetic extracellular electron transfer from dual species in anaerobic conductive sediment. 17th International Symposium on Microbial Ecology. 2018
  7. OKAMOTO, Akihiro, NARADASU, Divya. Extracellular electron transport(EET) Recovers Fermentation suppressed by Highly Reductive Potential in Streptococcus mutans. 32nd ANNUAL MEETING of JAPANESE SOCIETY for MICROBIAL ECOLOGY & 10th ASIAN SYMPOSIUM on MICROBIAL ECOLOGY(ASME). 2018
  8. OKAMOTO, Akihiro, SAITO, Junki. Analysis on the single-cell metabolic pathway of dual isotope labeled bacteria with nanoscale secondary ion mass spectrometry. 日本微生物生態学会第 32 回沖縄大会. 2018
  9. OKAMOTO, Akihiro, MURUGAN, Muralidharan. Long-range electron transfer in the conductive duel species aggregates of sulphate reducing bacteria and iron reducing bacteria. 10th Asian Symposium on Microbial Ecology . 2018
  10. OKAMOTO, Akihiro, DENG, Xiao. Membrane Cytochromes Enable Energy Acquisition in Energy-limited Environments. 2018 JSME annual meeting & 10th ASME. 2018
  11. OKAMOTO, Akihiro. Perspective for fundamentals and applications in Microbially-induced Corrosion. Biocorrosion – any progress in reality? A Conceptual Workshop. 2018
  12. HASHIMOTO, Kazuhito, 徳納 吉秀, OKAMOTO, Akihiro. Molecular design of electrocatalysts towards enhancement of interfacial electron transport between microorganism and electrode. 日本化学会第98回春季年会. 2018
  13. OKAMOTO, Akihiro, 徳納 吉秀. Conformational change of multi-heme electron conduit in cytochromes c in whole-cell. JSPS 10th HOPE meeting. 2018
  14. OKAMOTO, Akihiro, SAITO, Junki. Electrochemical ammonium oxidation with an electroactive microbe. MANA International Symposium 2018. 2018
  15. OKAMOTO, Akihiro, 徳納 吉秀. Whole-cell Circular Dichroism Spectroscopy Reveals Redox-Triggered Conformational Change of Multi-Hemes Conduit in Cytochromes c. MANA International Symposium 2018 Towards Perceptive Nanomaterials, Devices and Systems. 2018
  16. OKAMOTO, Akihiro, Shu ZHANG. Currents in human mouth: Oral pathogen Capnocytophaga ochracea proceeds extracellular electron transportation. MANA International Symposium 2018 . 2018
  17. OKAMOTO, Akihiro, NARADASU, Divya. Acid stress induced Extracellular Electron Transfer by an oral pathogen Streptococcus Mutans UA159.  MANA International Symposium 2018 . 2018
2017
  1. OKAMOTO, Akihiro. How do small molecules govern the rate of microbial electrogenic respiration?. IGER International Symposium on Cell Surface 2017. 2017
  2. TOKUNOU, Yoshihide, OKAMOTO, Akihiro, HASHIMOTO, Kazuhito. Whole-cell Circular Dichroism Spectroscopy Reveals Inter-Heme Interactions in Cell Surface Cytochrome c . IGER International Symposium on Cell Surface Structures 2017. 2017
  3. OKAMOTO, Akihiro, HASHIMOTO, Kazuhito. Critical molecular structure in bound flavin cofactor to enhance hte rate of extracellular electron transport. International society for microbial electrochemistry and tech. 2017
  4. 岡本 章玄, 橋本 和仁. 高分解能二次イオン質量分析法による電気細菌代謝の一細胞レベル追跡. 第55回 日本生物物理学会年会. 2017
  5. 岡本 章玄, 徳納吉秀, 橋本 和仁. 円二色偏光を用いた外膜シトクロム構造のその場追跡法. 第55回日本生物物理学会年会. 2017
  6. 岡本 章玄, 橋本 和仁. 鉄還元細菌Shewanellaによる細胞外 電子移動と共役した嫌気アンモニア酸化. 環境微生物系学会合同大会2017. 2017
  7. OKAMOTO, Akihiro, Xiao, HASHIMOTO, Kazuhito. Membrane Cytochromes Enable Energy Acquisition in Energy- limited Environments. 環境微生物系学会合同大会2017. 2017
  8. OKAMOTO, Akihiro, Tokunou Yoshihide, HASHIMOTO, Kazuhito. Ligation of riboflavin functionalizes outer-membrane cytochromes complex as biological diode in Geobacter sulfurreducens PCA. Extracellular Electron Transfer: Mechanisms and Opportunities. 2017
  9. OKAMOTO, Akihiro, Xiao, HASHIMOTO, Kazuhito. Multi-heme Cytochromes Found In Oxidized Sulfur Reducing Bacteria Mediate Direct Extracellular Electron Uptake. Extracellular Electron Transfer: Mechanisms and Opportunities. 2017
  10. 岡本 章玄, 徳納吉秀, 橋本 和仁. 環境技術としての微生物電極触媒:プロトン移動によって速度論制御される電流生成. Interdisciplinary Symposium for Up-and-coming Material Scientist. 2017
  11. OKAMOTO, Akihiro, HASHIMOTO, Kazuhito. Ammonium Oxidation with Nitric Oxide Production by Shewanella oneidensis MR-1. IUMS2017. 2017
  12. OKAMOTO, Akihiro, Tokunou Yoshihide, HASHIMOTO, Kazuhito. MICROBIAL CATION AND ELECTRON OUTFLOW ACROSS THE OUTER MEMBRANE PROMOTES FERMENTATIVE ATP FORMATION. International union of microbiological societies 2017. 2017
  13. OKAMOTO, Akihiro, Xiao, HASHIMOTO, Kazuhito. Outer Membrane Multi-heme Cytochromes Enable Extracellular Electron Uptake by Sulfate Reducing Bacteria. International union of microbiological societies 2017. 2017
  14. OKAMOTO, Akihiro, Tokunou Yoshihide, HASHIMOTO, Kazuhito. Proton Transfer in Outer-Membrane Flavocytochromes Coupled with Extracellular Electron Transport. 24th International Symposium on Bioelectrochemistry and Bioenerg. 2017
  15. OKAMOTO, Akihiro, Tokunou Yoshihide, HASHIMOTO, Kazuhito. Proton transfer in outer-membrane flavocytochromes limit the rate of bacterial electron transport. 2017 International Workshop on Electrified Interfaces for Energy. 2017
  16. 岡本 章玄. 共役プロトン移動により速度論制御される微生物と電極間の電子移動反応. Recent Progress on Interfacial Energy Conversion. 2017
  17. 岡本 章玄. 電子引き抜きを行う新規外膜シトクロム. 日本化学会第97春季年会. 2017
  18. 岡本 章玄. 生細胞内酵素反応速度の電気化学的測定法の開発. つくば医工フォーラム2017. 2017
  19. OKAMOTO, Akihiro. Extracellular Electron Transfer by oral plaque pathogen: A plausible cariogenesis mechanism. つくば医工フォーラム2017. 2017
  20. 岡本 章玄. 電流生成菌による一酸化窒素生成を伴うアンモニア酸化反応. 日本化学会第97春季年会. 2017
  21. OKAMOTO, Akihiro. Extracellular Electron Transfer by an oral plaque pathogen: Streptococcus mutans UA159. 日本化学会第97春季年会. 2017
2016
  1. OKAMOTO, Akihiro. Study of Intercellular electrochemical interaction by mappping technitue of gene expresion. 「微生物叢と宿主の相互作用・共生の理解と、それに基づく疾患発症の. 2016
  2. 岡本 章玄, 徳納吉秀, 橋本 和仁. 生物外膜シトクロムを介する電子伝達反応に共役したプロトン移動機構の解明. 第54回日本生物物理学会年会. 2016
  3. 岡本 章玄. バイオプロセスを加速する細菌・電極界面の電気膜タンパク質. 極限環境生物学会第17回シンポジウム. 2016
  4. OKAMOTO, Akihiro, Deng Xiao, HASHIMOTO, Kazuhito. Iron Corrosive Sulfate Reducing Bacteria Uptake Extracellular Electrons Via Outer Membrane C-Type Cytochromes. Pacific Rim meeting on electrochemical and solid-state science. 2016
  5. OKAMOTO, Akihiro, Tokunou Yoshihide, HASHIMOTO, Kazuhito. Molecular Design for Catalysts of Microbial Extracellular Electron Transfer: Redox Active Molecules Bound with Outer-Membrane Cytochrome C in Shewanella Oneidensis MR-1. Pacific Rim meeting on electrochemical and solid-state science. 2016
  6. OKAMOTO, Akihiro, HASHIMOTO, Kazuhito, Saito Junki. Kinetic Competition Between Extracellular Electron Transport and Upstream Reactions in Microbial Electrode Catalysis. Pacific Rim meeting on electrochemical and solid-state science. 2016
  7. OKAMOTO, Akihiro. Electric properties of Outer Membrane Flavocytochromes in Shewanella oneidensis MR-1. AP-ISMET 2016. 2016
  8. OKAMOTO, Akihiro, Deng Xiao. c-type cytochrome covered outer membrane and nanowires mediate extracellular electron uptake of sulfate reducing bacteria. AP-ISMET 2016. 2016
  9. Saito Junki, OKAMOTO, Akihiro. Mirobial current produciton reflects kinetic competition between extracellular electron transport and upstream reaction. AP-ISMET 2016. 2016
  10. OKAMOTO, Akihiro. Electrochemical monitoring for extracellular electron transport kinetics. AP-ISMET 2016. 2016
  11. OKAMOTO, Akihiro, Divya Naradasu. Biofilm Acidification promoted via extracellular electron transfer by oral plaque mirobe Streptococcus mutans UA 159. AP-ISMET 2016. 2016
  12. OKAMOTO, Akihiro, Tokunou Yoshihide. Proton transfer as a key for acceleration of the extracellular electron transfer by ound flavin with outer-membrane cytochrome c in Shewanella oneidensis MR-1. AP-ISMET 2016. 2016
  13. 岡本 章玄, ディビア ナラダス. Streptococcus mutant菌の細胞外電子移動によって促進される歯質う蝕. 第58回歯科基礎医学会学術大会. 2016
  14. OKAMOTO, Akihiro, Deng Xiao, HASHIMOTO, Kazuhito. Extracellular Electron Uptake by Desulfovibrio ferrophilus Strain IS5 via Outer-Membrane C-Type Cytochrome. ASM meeting 2016. 2016
  15. 岡本 章玄. Shewanellaをプラットフォームにした新規電気駆動反応系の探索. 「電気と微生物」小集会. 2016
  16. 岡本 章玄. 発電細菌Shewanellaの細胞外電子移動に伴う外膜シトクロム複合体の動的構造変化. 蛋白研セミナー『構造を基盤とする蛋白質科学における未解決問題』. 2016

Patents TSV

Registered patents
    Patent applications
    1. No: 2020070892 容器の製造方法、硫化水素収容体の製造方法、及び、硫化水素の充填方法 (2020)
    2. No: 2020044978 測定装置、及び、評価方法 (2020)
    3. No: 2020014418 電流発生菌の活性調整剤および微生物燃料電池システムの出力調整方法 (2020)
    4. No: 2020021740 細胞外電子移動作用に関与する酵素及びその利用 (2020)
    International patents

      ▲ Go to the top of this page