Masahiro Ito
| Department of Biological Resources | Professor |
| Bio-Nano Electronics Research Center | Researcher |
| Course of Life Sciences | Professor |
Last Updated :2026/03/22
■Researcher basic information
Degree
- 博士(工学), 東京工業大学
- 修士(工学), 東京工業大学
Target Resource
Research Interests
- Deinococcus radiodurans
- radiation-resistant bacteria
- Biomass Refinery
- Bioethanol production
- Na^+/H^+ antiporter
- Alkaliphiles
- Alkalihalobacillus pseudofirmus
- Extremophiles
- Alkaline environment adaptation mechanisms
- pH homeostasis
- Na^+ cycles
- イオンチャネル
- proton motive force
- bacterial flagellar motor
- イオンチャンネル
- Sodium motive force
- アルカリカチオン
Research Areas
■Career
Research History
- Apr. 2021 - Present
Bio-resilience Research project (BRRP), Project leader - Apr. 2009 - Present
Toyo University, Factory of Life Sciences, Professor - Apr. 2001 - Mar. 2009
Toyo University, Factory of Life Sciences, Associate professor - Apr. 1997 - Mar. 2001
Toyo University, Factory of Life Sciences, Lecturer - Apr. 1994 - Mar. 1997
Mount Sinai School of Medicine, Department of Biochemistry, postdoctoral researcher
Education
Committee Memberships
- Mar. 2025 - Present
Editorial Board Member, Extremophiles - Apr. 2024 - Present
副会長, 極限環境生物学会 - Dec. 2023 - Present
Engineering Microbiology誌、Editorial Board Member - Oct. 2023 - Present
Expert committee, Special Committee on Genetically Modified Foods, The Food Safety Commission of Japan (FSCJ) , Cabinet Office - Feb. 2017 - Present
Associate Editor, Frontier in Microbiology誌 - Jan. 2016 - Present
Advisory Board Member, Journal of Biochemistry誌 - Jan. 2015 - Present
Editorial Board Member, Applied and Environmental Microbiology誌 - Jan. 2013 - Present
General affairs secretary, Japanese Society for Extremophiles - Apr. 2013 - Mar. 2020
Center for Academic Research Promotion Deputy-Directors, Toyo University - Jan. 2013 - Mar. 2020
庶務担当幹事, 極限環境生物学会 - Apr. 2015 - Mar. 2017
専攻長, 東洋大学大学院生命科学研究科生命科学専攻 - Aug. 2008 - Jul. 2010
Program officer, Ministry of Education, Culture, Sports, Science and Technology (MEXT)
■Research activity information
Awards
- Nov. 2025
極限環境生物学会, Young Researcher Poster Award
Constitutive Expression of Gdx via Riboswitch Mutation Confers High Cesium Resistance in Escherichia coli
Daiki Kojima;Masahiro Ito - Nov. 2025
1st East Asia Conference on Extremophiles, Young Researcher Excellent Poster Award
Riboswitch Disruption Drives Constitutive Gdx and High Cesium Tolerance in Escherichia coli
Daiki Kojima;Masahiro Ito - Aug. 2025
日本農芸化学会関東支部, 日本農芸化学会関東支部年会・優秀発表賞(⼝頭発表部⾨)
グアニジニウムエクスポーター Gdx による⼤腸菌の新規 Cs+ 排出機構の発⾒
小嶋 大喜、伊藤 政博 - Sep. 2024
14th International Congress on Extremophiles (Extremophiles2024), ISE Young Scientist Poster Award
Stabilization of ribosomes for Cs+ resistance in high-concentration Cs+ resistant Escherichia coli strain ZX-1
Daiki Kojima, Ayane Kurosaki, and Masahiro Ito - Aug. 2023
Kanto Branch, Japan Society for Bioscience, Biotechnology, and Agrochemistry (JSBBA), Excellent poster award
Analysis of the Cs resistance mechanism in the Escherichia coli Cs-resistant strain ZX-1.
Daiki Kojima;Shunsuke Tanaka;Masahiro Ito - Sep. 2019
日本農芸化学会関東支部, 優秀発表賞(ポスター発表部門)
高濃度セシウム耐性菌Microbacterium sp. TS-1株の新規セシウム耐性機構の同定
是恒貴宏;石内絵梨;手島美結;石田義基;伊藤政博 - Dec. 2018
Japanese Society for Extremophiles, Excellent Poster Award
好アルカリ性細菌Microbacterium sp. TS-1株の高濃度セシウム耐性機構の解明
Takahiro Koretsune;Masahiro Ito - Dec. 2016
The 1st international Conference on Applied Microbiology in Vietnam, Young Scientist Poster Award (1st)
Elucidation ion selectivity and identification of ion transport subunits in the Mrp type antiporter
Mitsue Matsui;Masahiro Ito - Nov. 2015
The 16th Annual Meeting of the Japanese society for Extremophiles, Poster award
A functional analysis of stator complex of flagellar motor from Bacillus trypoxylicola
Riku Imazawa;Shun Naganawa;Masahiro Ito - Dec. 2014
The 15th Annual Meeting of the Japanese society for Extremophiles, Poster award
Elucidation of the differences in Na+ affinity in a neutral pH environment of the Na+-driven stator MotPS in alkaliphilic Bacillus pseudofirmus OF4 and Bacillus subtilis
Yuka Takahashi;Yukina Noguchi;Masahiro Ito - Nov. 2014
The 15th Annual Meeting of the Japanese society for Extremophiles, Poster award
Identification for a factor affecting of stimulation of motility in Methylobacterium sp. 121
Wakabayashi Yuu;Tetsu Shimizu;Akira Nakamura;Masahiro Ito - Sep. 2014
International Congress on Extremophiles 2014, ISE Young Scientist Poster Award
The clarification of the differences between alkaliphilic and neutralophilic Bacillus influx control of Na+ near neutral pH in the Na+-driven flagellar motor stator MotPS
Yuka Taakahashi;Yukina Noguchi;Masahiro Ito - Mar. 2013
Blue Earth 2013 (JAMSTEC), Young Scientist Poster Award
Analytical results of microbiological diversity in the seismogenic zone (Japan trench) sediment at 3 months and 17 months after Tohoku Region Pacific Offshore Earthquake occurred
Sayumi Kinoshita;Masahiro Ito - Nov. 2012
The 2012 Annual Meeting of the Kanto Branch of the Japan Society for Bioscience, Biotechnology, and Agrochemistry, Poster award
Elucidation of rotation mechanism of hybrid biomotor that can utilize two types of coupling ions
Yuka Takahashi;Masahiro Ito - Jun. 2012
Toyo University, Inoue Enryo Prize
Research on Hybrid Bacterial Flagellar Motor
Masahiro Ito - Nov. 2011
The 12th Annual Meeting of the Japanese society for Extremophiles, Poster award
A novel K+-stimulated flagellar motor from alkaliphilic Bacillus alcalophilus.
Motohiko Sano;Naoya Terahara;Masahiro Ito - Oct. 2011
The 2011 Annual Meeting of the Kanto Branch of the Japan Society for Bioscience, Biotechnology, and Agrochemistry, Poster award
Identification of amino acid residues in the flagellar stator involved in the reduction of motility under the neutral environment of the alkalophilic Bacillus pseudofirmus OF4
Yukina Noguchi;Masahiro Ito - Mar. 2011
the Japan Society for the Promotion of Science, JSPS Prize
Properties of Bacterial Flagellar Motor Powered by Hybrid Stators
Masahiro Ito - Nov. 2009
The 10th Annual Meeting of the Japanese society for Extremophiles, Poster award
Identification and characterization of functional residues in a Multi-subunit type Na+/H+ antiporter Mrp complex from alkaliphilic Bacillus pseudofirmus OF4.
Masato Morino;Shinsuke Natsui;Tomohiro Ono;Talia H. Swartz;Terry A. Krulwich;Masahiro Ito - Oct. 2009
The 10th Annual Meeting of the Japanese society for Extremophiles, Poster award
Identification and analysis of amino acid residues important for the rotation mechanism of flagellar stator MotAB, MotPS of Bacillus subtilis
Yuka Takahashi;Naoya Terahara;Sachiyo Koizumi;Masahiro Ito - Nov. 2008
The 9th Annual Meeting of the Japanese society for Extremophiles, Poster award
A conversion of the coupling ion specificity of stators in a Bacillus flagellar motor
Naoya Terahara;Terry Ann Krulwich;Masahiro Ito - Jun. 2008
The 3rd Japan transporter research association, Outstanding performance award(Oral presentation)
A flagellarstator MotAB from alkaliphilic Bacillus clausii can utilize two types of ions as coupling ions
Naoya Terahara;Masahiro Ito - Nov. 2007
Kanto Branch meeting of the Japan Society for Bioscience, Biotechnology, and Agrochemistry, Young Scientist Award (oral presentation)
Bacillus subtilis flagellar motor is a hybrid motor that can utilize two kinds of energy
Naoya Terahara;Masahiro Ito - Nov. 2007
The 8th Annual Meeting of the Japanese society for Extremophiles, Poster award
The visualization of the voltage-gated Na+ channel of Alkaliphilic Bacillus pseudofirmus OF4 by using fluorescent protein fusion.
Shun Fujinami;Masahiro Ito - Nov. 2005
the Japan Society for Extremophiles, Young Scientist Award
Masahiro Ito - Nov. 2004
The 5th Annual Meeting of the Japanese society for Extremophiles, Poster award
好アルカリ性細菌Bacillus halodurans C-125株の細胞形態形に関する研究
Shun Fujinami;Masahiro Ito - Sep. 2002
International Society for Extremophiles (ISE), ISE Award
Masahiro Ito
Papers
- Gdx mediates low-affinity Cs+ /H+ antiport and confers cesium resistance in Escherichia coli
Daiki Kojima; Masahiro Ito
Engineering Microbiology, Mar. 2026, [Reviewed]
Last, Corresponding - Frontiers in Ectoine Production Using Halophiles and Future Perspectives
Masahiro Ito
Extremophiles for a Sustainable Future, 26 Feb. 2026 - General Aspects: Overview of the Basic Characteristics of Extremophiles and Their Role in Sustainability
Masahiro Ito
Extremophiles for a Sustainable Future, 26 Feb. 2026 - Tardigrade-based smartphone microscopy and 3D printing as a low-cost model for microbiology outreach targeting elementary school students
Masahiro Ito; Issey Suzuki; Midori Miyamoto; Hikaru Sakuma; Ken-ichi Goto
FEMS Microbiology Letters, 07 Jan. 2026, [Reviewed]
Lead, Corresponding - Alkaliphile-assisted degradation of soy sauce Moromi-kasu: Mass reduction and effects of enzyme-rich culture supernatants
Shunki Ota; Masahiro Ito
ENVIRONMENTAL TECHNOLOGY & INNOVATION, Nov. 2025, [Reviewed]
Last, Corresponding - Isolation and Cs+ resistance mechanism of Escherichia coli strain ZX-1.
Daiki Kojima; Shunsuke Tanaka; Ayane Kurosaki; Xiong Zhiyu; Masahiro Ito
Frontiers in microbiology, 18 Jan. 2024, [Reviewed]
Last, Corresponding - Physiological importance and role of Mg2+ in improving bacterial resistance to cesium
Yoshiki Ishida; Chongkai Zhang; Katsuya Satoh; Masahiro Ito
Frontiers in Microbiology, 21 Jun. 2023, [Reviewed]
Last, Corresponding - A magnesium transporter is involved in the cesium ion resistance of the high-concentration cesium ion-resistant bacterium Microbacterium sp. TS-1
Yoshiki Ishida; Takahiro Koretsune; Eri Ishiuchi; Miyu Teshima; Masahiro Ito
Frontiers in Microbiology, 23 Feb. 2023, [Reviewed]
Last, Corresponding - Complete Genome Sequence of Bacillus sp. Strain TM2, Isolated from Ground Tetragnatha Spider Extract
Masahiro Ito; Satomu Hasunuma
Microbiology Resource Announcements, 16 Jun. 2022, [Reviewed]
Lead, Corresponding - Novel Cesium Resistance Mechanism of Alkaliphilic Bacterium Isolated From Jumping Spider Ground Extract
Takahiro Koretsune; Yoshiki Ishida; Yuri Kaneda; Eri Ishiuchi; Miyu Teshima; Nanami Marubashi; Katsuya Satoh; Masahiro Ito
Frontiers in Microbiology, 08 Mar. 2022, [Reviewed]
Last, Corresponding - Complete Genome Sequence of Bacillus sp. Strain NC3, Isolated from Trichonephila Spider Ground Extract
Masahiro Ito; Satomu Hasunuma
Microbiology Resource Announcements, 17 Feb. 2022
Lead, Corresponding - Complete Genome Sequence of Kaistia sp. Strain 32K, Isolated from Soil as a Mixed Single Colony with Methylobacterium sp. Strain ME121.
Masahiro Ito; Tetsu Shimizu; Akira Nakamura
Microbiology resource announcements, 11 Mar. 2021, [Reviewed]
Last, Corresponding - Metabolites Produced by Kaistia sp. 32K Promote Biofilm Formation in Coculture with Methylobacterium sp. ME121.
Yoshiaki Usui; Tetsu Shimizu; Akira Nakamura; Masahiro Ito
Biology, 13 Sep. 2020, [Reviewed]
Last, Corresponding - MotP Subunit is Critical for Ion Selectivity and Evolution of a K+-Coupled Flagellar Motor.
Shun Naganawa; Masahiro Ito
Biomolecules, 29 Apr. 2020, [Reviewed]
Last, Corresponding - A Factor Produced by Kaistia sp. 32K Accelerated the Motility of Methylobacterium sp. ME121.
Yoshiaki Usui; Yuu Wakabayashi; Tetsu Shimizu; Yuhei O Tahara; Makoto Miyata; Akira Nakamura; Masahiro Ito
Biomolecules, 16 Apr. 2020, [Reviewed]
Last, Corresponding - Draft Genome Sequence of Calcium-Dependent Novosphingobium sp. Strain TCA1, Isolated from a Hot Spring Containing a High Concentration of Calcium Ions.
Shun Fujinami; Katsuya Satoh; Issay Narumi; Masahiro Ito
Microbiology resource announcements, 09 Apr. 2020, [Reviewed]
Last, Corresponding - Tree of motility - A proposed history of motility systems in the tree of life.
Makoto Miyata; Robert C Robinson; Taro Q P Uyeda; Yoshihiro Fukumori; Shun-Ichi Fukushima; Shin Haruta; Michio Homma; Kazuo Inaba; Masahiro Ito; Chikara Kaito; Kentaro Kato; Tsuyoshi Kenri; Yoshiaki Kinosita; Seiji Kojima; Tohru Minamino; Hiroyuki Mori; Shuichi Nakamura; Daisuke Nakane; Koji Nakayama; Masayoshi Nishiyama; Satoshi Shibata; Katsuya Shimabukuro; Masatada Tamakoshi; Azuma Taoka; Yosuke Tashiro; Isil Tulum; Hirofumi Wada; Ken-Ichi Wakabayashi
Genes to cells : devoted to molecular & cellular mechanisms, Jan. 2020, [Reviewed] - Editorial: For The Future of Alkaliphiles: 50th Anniversary Year Since the Rediscovery of Alkaliphiles by Dr. Koki Horikoshi.
Masahiro Ito; Terry Ann Krulwich
Frontiers in microbiology, 2019, [Reviewed] - A Hydrophobic Small Protein, BpOF4_01690, Is Critical for Alkaliphily of Alkaliphilic Bacillus pseudofirmus OF4.
Tetsuaki Takahashi; Terry A Krulwich; Masahiro Ito
Frontiers in microbiology, 2018, [Reviewed] - The Surface Layer Homology Domain-Containing Proteins of Alkaliphilic Bacillus pseudofirmus OF4 Play an Important Role in Alkaline Adaptation via Peptidoglycan Synthesis.
Shun Fujinami; Masahiro Ito
Frontiers in microbiology, 2018, [Reviewed] - Load- and polysaccharide-dependent activation of the Na+-type MotPS stator in the Bacillus subtilis flagellar motor.
Naoya Terahara; Yukina Noguchi; Shuichi Nakamura; Nobunori Kami-Ike; Masahiro Ito; Keiichi Namba; Tohru Minamino
Scientific reports, 05 Apr. 2017, [Reviewed] - Ion Selectivity of the Flagellar Motors Derived from the Alkaliphilic Bacillus and Paenibacillus Species.
Yuka Takahashi; Masahiro Ito
Methods in molecular biology (Clifton, N.J.), 2017, [Reviewed] - Mrp Antiporters Have Important Roles in Diverse Bacteria and Archaea.
Masahiro Ito; Masato Morino; Terry A Krulwich
Frontiers in microbiology, 2017, [Reviewed] - Nonconventional cation-coupled flagellar motors derived from the alkaliphilic Bacillus and Paenibacillus species.
Masahiro Ito; Yuka Takahashi
Extremophiles : life under extreme conditions, Jan. 2017, [Reviewed] - Differences in the phenotypic effects of mutations in homologous MrpA and MrpD subunits of the multi-subunit Mrp-type Na+/H+ antiporter.
Masato Morino; Shinichiro Ogoda; Terry Ann Krulwich; Masahiro Ito
Extremophiles : life under extreme conditions, Jan. 2017, [Reviewed] - A novel type bacterial flagellar motor that can use divalent cations as a coupling ion.
Riku Imazawa; Yuka Takahashi; Wataru Aoki; Motohiko Sano; Masahiro Ito
Scientific reports, 22 Jan. 2016, [Reviewed] - Draft Genome Sequence of Methylobacterium sp. ME121, Isolated from Soil as a Mixed Single Colony with Kaistia sp. 32K.
Shun Fujinami; Kiyoko Takeda-Yano; Takefumi Onodera; Katsuya Satoh; Tetsu Shimizu; Yuu Wakabayashi; Issay Narumi; Akira Nakamura; Masahiro Ito
Genome announcements, 03 Sep. 2015, [Reviewed] - Genome Sequence of the Deep-Sea Denitrifier Pseudomonas sp. Strain MT-1, Isolated from the Mariana Trench.
Shun Fujinami; Yuji Oikawa; Takuma Araki; Yui Shinmura; Ryota Midorikawa; Hikari Ishizaka; Chiaki Kato; Koki Horikoshi; Masahiro Ito; Hideyuki Tamegai
Genome announcements, 18 Dec. 2014, [Reviewed] - Draft Genome Sequence of Bacillus alcalophilus AV1934, a Classic Alkaliphile Isolated from Human Feces in 1934.
Oliver Attie; Anitha Jayaprakash; Hardik Shah; Ian T Paulsen; Masato Morino; Yuka Takahashi; Issay Narumi; Ravi Sachidanandam; Katsuya Satoh; Masahiro Ito; Terry A Krulwich
Genome announcements, 13 Nov. 2014, [Reviewed] - Ionic selectivity and thermal adaptations within the voltage-gated sodium channel family of alkaliphilic Bacillus.
Paul G DeCaen; Yuka Takahashi; Terry A Krulwich; Masahiro Ito; David E Clapham
eLife, 11 Nov. 2014, [Reviewed] - Mutational analysis of charged residues in the cytoplasmic loops of MotA and MotP in the Bacillus subtilis flagellar motor
Yuka Takahashi; Masahiro Ito
JOURNAL OF BIOCHEMISTRY, Oct. 2014, [Reviewed] - Draft Genome Sequence of Calcium-Dependent Paenibacillus sp. Strain TCA20, Isolated from a Hot Spring Containing a High Concentration of Calcium Ions.
Shun Fujinami; Kiyoko Takeda-Yano; Takefumi Onodera; Katsuya Satoh; Motohiko Sano; Yuka Takahashi; Issay Narumi; Masahiro Ito
Genome announcements, 04 Sep. 2014, [Reviewed] - Draft Genome Sequence of Potassium-Dependent Alkaliphilic Bacillus sp. Strain TS-2, Isolated from a Jumping Spider.
Shun Fujinami; Kiyoko Takeda; Takefumi Onodera; Katsuya Satoh; Motohiko Sano; Issay Narumi; Masahiro Ito
Genome announcements, 22 May 2014, [Reviewed] - Purification and Functional Reconstitution of a Seven-Subunit Mrp-Type Na+/H+ Antiporter
Masato Morino; Toshiharu Suzuki; Masahiro Ito; Terry Ann Krulwich
JOURNAL OF BACTERIOLOGY, Jan. 2014, [Reviewed] - Suppressor mutants from MotB-D24E and MotS-D30E in the flagellar stator complex of Bacillus subtilis.
Yuka Takahashi; Kotomi Koyama; Masahiro Ito
The Journal of general and applied microbiology, 2014, [Reviewed] - Draft Genome Sequence of Sodium-Independent Alkaliphilic Microbacterium sp. Strain TS-1.
Shun Fujinami; Kiyoko Takeda; Takefumi Onodera; Katsuya Satoh; Motohiko Sano; Issay Narumi; Masahiro Ito
Genome announcements, 19 Dec. 2013, [Reviewed] - Alkaliphilic prokaryotes
Terry Ann Krulwich; Masahiro Ito
The Prokaryotes: Prokaryotic Communities and Ecophysiology, 01 Apr. 2013, [Reviewed] - 2P159 Torque-speed relationship of the flagellar motor consisting of two distinct stators(11. Molecular motor,Poster)
Terahara Naoya; Noguchi Yukina; Nakamura Shuichi; Kamiike Nobunori; Minamino Tohru; Ito Masahiro; Namba Keiichi
Seibutsu Butsuri, 2013 - Functional expression of the multi-subunit type calcium/proton antiporter from Thermomicrobium roseum
Masato Morino; Masahiro Ito
FEMS MICROBIOLOGY LETTERS, Oct. 2012, [Reviewed] - Characterization and purification of the multi subunit type Na+/H+ antiporter from alkaliphilic Bacillus pseudofirmus OF4
Masato Morino; Toshiharu Suzuki; Masahiro Ito
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, Oct. 2012, [Reviewed] - A Bacillus Flagellar Motor That Can Use Both Na+ and K+ as a Coupling Ion Is Converted by a Single Mutation to Use Only Na+
Naoya Terahara; Motohiko Sano; Masahiro Ito
PLOS ONE, Sep. 2012, [Reviewed] - 2PS006 Torque-speed relationship of the flagellar motor consisting of two distinct stators(The 50th Annual Meeting of the Biophysical Society of Japan)
Terahara Naoya; Noguchi Yukina; Nakamura Syuichi; Kamiike Nobunori; Ito Masahiro; Namba Keiichi
Seibutsu Butsuri, 2012 - Genome of alkaliphilic Bacillus pseudofirmus OF4 reveals adaptations that support the ability to grow in an external pH range from 7.5 to 11.4
Benjamin Janto; Azad Ahmed; Masahiro Ito; Jun Liu; David B. Hicks; Sarah Pagni; Oliver J. Fackelmayer; Terry-Ann Smith; Joshua Earl; Liam D. H. Elbourne; Karl Hassan; Ian T. Paulsen; Anne-Brit Kolsto; Nicolas J. Tourasse; Garth D. Ehrlich; Robert Boissy; D. Mack Ivey; Gang Li; Yanfen Xue; Yanhe Ma; Fen Z. Hu; Terry A. Krulwich
ENVIRONMENTAL MICROBIOLOGY, Dec. 2011, [Reviewed] - The relationship between a coiled morphology and Mbl in alkaliphilic Bacillus halodurans C-125 at neutral pH values
Shun Fujinami; Takako Sato; Masahiro Ito
EXTREMOPHILES, Sep. 2011, [Reviewed] - Single Site Mutations in the Hetero-oligomeric Mrp Antiporter from Alkaliphilic Bacillus pseudofirmus OF4 That Affect Na+/H+ Antiport Activity, Sodium Exclusion, Individual Mrp Protein Levels, or Mrp Complex Formation
Masato Morino; Shinsuke Natsui; Tomohiro Ono; Talia H. Swartz; Terry A. Krulwich; Masahiro Ito
JOURNAL OF BIOLOGICAL CHEMISTRY, Oct. 2010, [Reviewed] - 3P287 Molecular phylogenetic analysis of flagellar stator proteins of alkaliphilic Bacillus species(Genome biology: Genome analysis,The 48th Annual Meeting of the Biophysical Society of Japan)
Terahara Naoya; Noguchi Yukina; Nakano Yuko; Namba Keiichi; Ito Masahiro
Seibutsu Butsuri, 2010 - Motility and chemotaxis in alkaliphilic Bacillus species.
Shun Fujinami; Naoya Terahara; Terry Ann Krulwich; Masahiro Ito
Future microbiology, Nov. 2009, [Reviewed] - Cation/proton antiporter complements of bacteria: why so large and diverse?
Terry A. Krulwich; David B. Hicks; Masahiro Ito
MOLECULAR MICROBIOLOGY, Oct. 2009, [Reviewed] - Characterization of Bacillus subtilis YfkE (ChaA): a calcium-specific Ca2+/H+ antiporter of the CaCA family
Makoto Fujisawa; Yuko Wada; Takahiro Tsuchiya; Masahiro Ito
ARCHIVES OF MICROBIOLOGY, Aug. 2009, [Reviewed] - 3P-140 Analysis of the conserved charged residues in flagellar stator proteins Mot A and MotP of Bacillus subtilis.(Molecular motor,The 47th Annual Meeting of the Biophysical Society of Japan)
Takahashi Yuka; Terahara Naoya; Koizumi Yukiyo; Ito Masahiro
Seibutsu Butsuri, 2009 - Mutations alter the sodium versus proton use of a Bacillus clausii flagellar motor and confer dual ion use on Bacillus subtilis motors
Naoya Terahara; Terry A. Krulwich; Masahiro Ito
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Sep. 2008, [Reviewed] - Single gene deletions of mrpA to mrpG and mrpE point mutations affect activity of the Mrp Na+/H+ antiporter of alkaliphilic Bacillus and formation of hetero-monieric Mrp complexes
Masato Morino; Shinsuke Natsui; Talia H. Swartz; Terry A. Krulwich; Masahiro Ito
JOURNAL OF BACTERIOLOGY, Jun. 2008, [Reviewed] - The voltage-gated Na+ channel NaVBP co-localizes with methyl-accepting chemotaxis protein at cell poles of alkaliphilic Bacillus pseudofirmus OF4
Shun Fujinami; Takako Sato; James S. Trimmer; Benjamin W. Spiller; David E. Clapham; Terry A. Krulwich; Ikuro Kawagish; Masahiro Ito
MICROBIOLOGY-SGM, Dec. 2007, [Reviewed] - pH Tolerance in Bacillus: Alkaliphiles Versus Non-Alkaliphiles
Masahiro Ito
Novartis Foundation Symposium 221 - Bacterial Responses to pH, 28 Sep. 2007 - pH Tolerance in Bacillus: Alkaliphiles Versus Non-Alkaliphiles
Masahiro Ito
Novartis Foundation Symposium 221 - Bacterial Responses to pH, 28 Sep. 2007 - Three two-component transporters with channel-like properties have monovalent cation/proton antiport activity
Makoto Fujisawa; Masahiro Ito; Terry A. Krulwich
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Aug. 2007, [Reviewed] - Catalytic properties of Staphylococcus aureus and Bacillus members of the secondary cation/proton antiporter-3 (Mrp) family are revealed by an optimized assay in an Escherichia coli host
Talia H. Swartz; Masahiro Ito; Takayuki Ohira; Shinsuke Natsui; David B. Hicks; Terry A. Krulwich
JOURNAL OF BACTERIOLOGY, Apr. 2007, [Reviewed] - Na+ and flagella-dependent swimming of alkaliphilic Bacillus pseudofirmus OF4: a basis for poor motility at low pH and enhancement in viscous media in an "up-motile" variant
Shun Fujinami; Naoya Terahara; Sunmi Lee; Masahiro Ito
ARCHIVES OF MICROBIOLOGY, Mar. 2007, [Reviewed] - An intergenic stem-loop mutation in the Bacillus subtilis ccpA-motPS operon increases motPS transcription and the MotPS contribution to motility
N Terahara; M Fujisawa; B Powers; TM Henkin; TA Krulwich; M Ito
JOURNAL OF BACTERIOLOGY, Apr. 2006, [Reviewed] - Isolation and characterization of novel denitrifying alkalithermophiles, AT-1 and AT-2
Yamamoto, Mami; Ishii, Akihiro; Nogi, Yuichi; Inoue, Akira; Ito, Masahiro
Extremophiles, 2006 - Alkaline pH homeostasis in bacteria: new insights.
Etana Padan; Eitan Bibi; Masahiro Ito; Terry A Krulwich
Biochimica et biophysica acta, 30 Nov. 2005 - Activity profile of the NhaD-Type Na+(Li+)/H+ antiporter from the soda lake haloalkaliphile Alkalimonas amylolytica is adaptive for the extreme environment
J Liu; YF Xue; QH Wang; Y Wei; TH Swartz; DB Hicks; M Ito; YH Ma; TA Krulwich
JOURNAL OF BACTERIOLOGY, Nov. 2005, [Reviewed] - The Mrp system: a giant among monovalent cation/proton antiporters?
Talia H Swartz; Sayuri Ikewada; Osamu Ishikawa; Masahiro Ito; Terry Ann Krulwich
Extremophiles : life under extreme conditions, Oct. 2005, [Reviewed] - NhaK, a novel monovalent cation/H+ antiporter of Bacillus subtilis
M Fujisawa; A Kusumoto; Y Wada; T Tsuchiya; M Ito
ARCHIVES OF MICROBIOLOGY, Sep. 2005, [Reviewed] - Properties of motility in Bacillus subtilis powered by the H+-coupled MotAB flagellar stator, Na+-coupled MotPS or hybrid stators MotAS or MotPB
M Ito; N Terahara; S Fujinami; TA Krulwich
JOURNAL OF MOLECULAR BIOLOGY, Sep. 2005, [Reviewed] - The mrp Na+/H+ antiporter increases the activity of the malate: Quinone oxidoreductase of an Escherichia coli respiratory mutant
TH Swartz; M Ito; DB Hicks; M Nuqui; AA Guffanti; TA Krulwich
JOURNAL OF BACTERIOLOGY, Jan. 2005, [Reviewed] - MotPS is the stator-force generator for motility of alkaliphilic Bacillus, and its homologue is a second functional Mot in Bacillus subtilis
M Ito; DB Hicks; TM Henkin; AA Guffanti; BD Powers; L Zvi; K Uematsu; TA Krulwich
MOLECULAR MICROBIOLOGY, Aug. 2004, [Reviewed] - The voltage-gated Na+ channel NavBP has a role in motility, chemotaxis, and pH homeostasis of an alkaliphilic Bacillus
M Ito; HX Xu; AA Guffanti; Y Wei; L Zvi; DE Clapham; TA Krulwich
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Jul. 2004, [Reviewed] - Modulation of the K+ efflux activity of Bacillus subtilis YhaU by YhaT and the C-terminal region of YhaS
M Fujisawa; Y Wada; M Ito
FEMS MICROBIOLOGY LETTERS, Feb. 2004, [Reviewed] - Mutational loss of a K+ and NH4+ transporter affects the growth and endospore formation of alkaliphilic Bacillus pseudofirmus OF4
Y Wei; TW Southworth; H Kloster; M Ito; AA Guffanti; A Moir; TA Krulwich
JOURNAL OF BACTERIOLOGY, Sep. 2003, [Reviewed] - Decrease in cytoplasmic pH-Homeostastatic activity of the alkaliphile Bacillus Lentus C-125 by a cell wall defect
M Ito; R Aono
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY, Jan. 2002, [Reviewed] - Improvement of the electro-transformation efficiency of facultatively alkaliphilic Bacillus pseudofirmus OF4 by high osmolarity and glycine treatment
Masahiro Ito; Makoto Nagane
Bioscience, Biotechnology and Biochemistry, Dec. 2001, [Reviewed] - Mrp-dependent Na(+)/H(+) antiporters of Bacillus exhibit characteristics that are unanticipated for completely secondary active transporters.
M Ito; A A Guffanti; T A Krulwich
FEBS letters, 11 May 2001, [Reviewed] - The Na(+)-dependence of alkaliphily in Bacillus.
T A Krulwich; M Ito; A A Guffanti
Biochimica et biophysica acta, 01 May 2001 - Effects of nonpolar mutations in each of the seven Bacillus subtilis mrp genes suggest complex interactions among the gene products in support of Na+ and alkali but not cholate resistance
M Ito; AA Guffanti; W Wang; TA Krulwich
JOURNAL OF BACTERIOLOGY, Oct. 2000, [Reviewed] - Bacillus subtilis YqkI is a novel malic/Na(+)-lactate antiporter that enhances growth on malate at low protonmotive force
Y Wei; AA Guffanti; M Ito; TA Krulwich
JOURNAL OF BIOLOGICAL CHEMISTRY, Sep. 2000, [Reviewed] - Two types of Bacillus subtilis tetA(L) deletion strains reveal the physiological importance of TetA(L) in K+ acquisition as well as in Na+, alkali, and tetracycline resistance
W Wang; AA Guffanti; Y Wei; M Ito; TA Krulwich
JOURNAL OF BACTERIOLOGY, Apr. 2000, [Reviewed] - Contribution of the cell wall component teichuronopeptide to pH homeostasis and alkaliphily in the alkaliphile Bacillus lentus C-125.
R Aono; M Ito; T Machida
Journal of bacteriology, Nov. 1999, [Reviewed] - mrp, a multigene, multifunctional locus in Bacillus subtilis with roles in resistance to cholate and to NA(+) and in pH homeostasis
M Ito; AA Guffanti; B Oudega; TA Krulwich
JOURNAL OF BACTERIOLOGY, Apr. 1999, [Reviewed] - pH tolerance in Bacillus: alkaliphiles versus non-alkaliphiles.
T A Krulwich; A A Guffanti; M Ito
Novartis Foundation symposium, 1999, [Reviewed] - Physical map of alkaliphilic Bacillus firmus OF4 and detection of a large endogenous plasmid.
A Grønstad; E Jaroszewicz; M Ito; M G Sturr; T A Krulwich; A B Kolstø
Extremophiles : life under extreme conditions, Nov. 1998, [Reviewed] - pH homeostasis and ATP synthesis: studies of two processes that necessitate inward proton translocation in extremely alkaliphilic Bacillus species.
T A Krulwich; M Ito; D B Hicks; R Gilmour; A A Guffanti
Extremophiles : life under extreme conditions, Aug. 1998 - Energetics of alkaliphilic Bacillus species: physiology and molecules.
T A Krulwich; M Ito; R Gilmour; D B Hicks; A A Guffanti
Advances in microbial physiology, 1998, [Reviewed] - Mechanisms of cytoplasmic pH regulation in alkaliphilic strains of Bacillus.
T A Krulwich; M Ito; R Gilmour; A A Guffanti
Extremophiles : life under extreme conditions, Nov. 1997 - Role of the nhaC-encoded Na+/H+ antiporter of alkaliphilic Bacillus firmus OF4
M Ito; AA Guffanti; J Zemsky; DM Ivey; TA Krulwich
JOURNAL OF BACTERIOLOGY, Jun. 1997, [Reviewed] - Diverse genes of alkaliphilic Bacillus firmus OF4 that complement K+-uptake-deficient Escherichia coli include an ftsHd homologue
M Ito; B Cooperberg; TA Krulwich
EXTREMOPHILES, Feb. 1997, [Reviewed] - Measurement of cytoplasmic pH of the alkaliphile Bacillus lentus C-125 with a fluorescent pH probe
Rikizo Aono; Masahiro Ito; Koki Horikoshi
Microbiology, 1997, [Reviewed] - Energetic problems of extremely alkaliphilic aerobes.
T A Krulwich; M Ito; R Gilmour; M G Sturr; A A Guffanti; D B Hicks
Biochimica et biophysica acta, 18 Jul. 1996 - A high cell wall negative charge is necessary for the growth of the alkaliphile Bacillus lentus C-125 at elevated pH
R. Aono; M. Ito; K. N. Joblin; K. Horikoshi
Microbiology, 1995, [Reviewed] - Construction of a new teichuronopeptide-defective derivative from alkaliphilic Bacillus sp. C-125 by cell fusion.
M Ito; K Tabata; R Aono
Bioscience, biotechnology, and biochemistry, Dec. 1994 - Genetic recombination after cell fusion of protoplasts from the facultative alkaliphile Bacillus sp. C-125
R. Aono; M. Ito; K. Joblin; K. Horikoshi
Microbiology, 1994, [Reviewed] - Identification of 2-amino-2,6-dideoxy-D-glucose (D-quinovosamine), isolated from the cell walls of the alkaliphilic Bacillus sp. Y-25, by 500-MHz 1H NMR spectroscopy.
M Ito; R Aono; K Horikoshi
Carbohydrate research, 07 Apr. 1993 - Regeneration of Protoplasts Prepared from Alkaliphilic Strains of Bacillus spp
Rikizo Aono; Masahiro Ito; Koki Horikoshi
Bioscience, Biotechnology and Biochemistry, 1993, [Reviewed] - Occurrence of teichuronopeptide in cell walls of group 2 alkaliphilic Bacillus spp.
R. Aono; M. Ito; K. Horikoshi
Journal of General Microbiology, 1993, [Reviewed] - Instability of the protoplast membrane of facultative alkaliphilic Bacillus sp. C-125 at alkaline pH values below the pH optimum for growth.
R Aono; M Ito; K Horikoshi
The Biochemical journal, 01 Jul. 1992, [Reviewed] - Isolation of Novel Toluene-Tolerant Strain of Pseudomonas aeruginosa
Akira Inoue; Masahiro Ito; Rikizo Aono; Koki Horikoshi
Bioscience, Biotechnology and Biochemistry, 1992, [Reviewed] - Identification of the reactive cysteinyl residue and ATP binding site in Bacillus cereus glutamine synthetase by chemical modification.
Y Nakano; M Itoh; E Tanaka; K Kimura
Journal of biochemistry, Feb. 1990
Misc.
- ハイブリッド型細菌べん毛モーターとその適応進化
伊藤 政博
日本生物工学会誌, Apr. 2018, [Reviewed], [Invited] - 世界初:2価陽イオンで駆動するべん毛モーターCa2+やMg2+でもべん毛は回転する
Masahiro Ito
kagaku to seibutsu, Mar. 2017, [Reviewed], [Invited] - 13.好アルカリ性細菌の高アルカリ性環境適応機構
Yuka Takahashi; Masahiro Ito
Nihon nyusankin gakkai shi, Nov. 2014, [Reviewed], [Invited] - A Novel Hybrid Nano-machine Driven by Potassium and Sodium Ions
TERAHARA Naoya; SANO Motohiko; ITO Masahiro
Seibutsu Butsuri, Jan. 2014, [Reviewed] - 第3のイオンで駆動するハイブリッド型生物モーターの発見
寺原直矢; 佐野元彦; 伊藤政博
バイオサイエンスとインダストリー, Apr. 2013, [Invited] - 好アルカリ性細菌のアルカリ適応機構(極限環境微生物,<特集>バイオ技術10年の軌跡,創立90周年記念特別企画)
藤浪 俊; 守野 正人; 伊藤 政博
生物工学会誌 : seibutsu-kogaku kaishi, 25 Nov. 2012 - The charged amino acid residues of two different stators of the flagellar motor in Bacillus subtilis are important for motility
Yuka Takahashi; Masahiro Ito
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, Oct. 2012 - An analysis of amino acid residues which affect the structure of the ion flux pathway of the flagellar stator complex from Bacillus subtilis
Kotomi Koyama; Masahiro Ito
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, Oct. 2012 - Alkaliphilic Microorganisms : Lessons from Their Adaptations(Papers presented at the Seminar, "Biological mechanism of stress perception")
ITO Masahiro
Cryobiology and cryotechnology, 15 Apr. 2011 - Identification and characterization of functional residues in a multi-subunit type Na+/H+ antiporter Mrp complex from alkaliphilic Bacillus pseudofirmus OF4
Masato Morino; Shinsuke Natsui; Tomohiro Ono; Talia H. Swartz; Terry A. Krulwich; Masahiro Ito
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, Jul. 2010 - Single Stator Complex of Bacterial Flagellar Motor Can Be Use Both H^+ and Na^+ for Stator Force Generator in Alkaliphilic Bacillus and Confer Dual Ion Use on Bacillus subtilis Motors
ITO Masahiro; TERAHARA Naoya
KAGAKU TO SEIBUTSU, 01 Jul. 2009 - Effect of single gene deletions of mrpA-G and mrpE point mutations on activity of the Mrp Na+/H+ antiporter of alkaliphilic Bacillus and formation of hetero-oligomeric Mrp complex
Masato Morino; Shinsuke Natsui; Talia H. Swartz; Terry A. Krulwich; Masahiro Ito
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, Jul. 2008 - A Bacillus flagellar motor switches from proton to sodium gradients for powering motility at alkaline pH
Naoya Terahara; Terry A. Krulwich; Masahiro Ito
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, Jul. 2008 - Molecular basis and swimming properties of a natural dual hybrid flagellar motor of Bacillus subtilis
TERAHARA Naoya; ITO Masahiro
Bioscience & industry, 01 Jul. 2008 - Channel-like two-component transporters that have monovalent-cation/proton antiport activity
FUJISAWA Makoto; ITO Masahiro
Bioscience & industry, 01 Jun. 2008 - The Physiological Role of Two Sodium Channels MotPS and Na_vBP of Alkaliphilic Bacillus
ITOH Masahiro
Biophysics, 25 Jan. 2006
Books and Other publications
- 極限酵素とその産業応用
Arora, Naveen Kumar; Agnihotri, Shekhar; Mishra, Jitendra; 伊藤, 政博; 鳴海, 一成; 道久, 則之
エヌ・ティー・エス, Jun. 2024
9784860439026 - ビギナーのための微生物実験ラボガイド : microbiological experiment
中村, 聡; 中島, 春紫; 伊藤, 政博; 道久, 則之; 八波, 利恵
講談社, 2019
9784065135990 - CSJカレントレビュー26 分子マシンの科学
伊藤 政博, Joint work, 第6章 従来とは異なる駆動力で回転するバクテリアべん毛モーター
化学同人, Aug. 2017, Not reviewed - 極限環境生命 : 生命の起源を考え,その多様性に学ぶ
伊藤, 政博; 道久, 則之; 鳴海, 一成; 東端, 啓貴; 為我井, 秀行; 國枝, 武和; 伊藤, 隆; 佐藤, 孝子(理学博士); 中村, 聡, Joint work, 1章、4章、5章
コロナ社, Nov. 2014, Not reviewed
9784339067477
Presentations
- 二重管ノズルを用いた高濃度セシウム耐性大腸菌反転膜包埋アルギン酸ゲルを用いたセシウム回収技術の構築
小嶋 大喜; 石田 義基; 伊藤 政博
第24回極限環境生物学会年会, 28 Aug. 2024 - Regarding the 'Advances in Extremophile Science Contributing to Sustainable Development Goals (SDGs).' symposium
Masahiro Ito
日本農芸化学会2024年度大会シンポジウム, 26 Mar. 2024, [Invited] - リボソーム安定性によるセシウム耐性:大腸菌ZX-1株のケーススタディ
小嶋 大喜; 黒崎綾音; 伊藤政博
日本農芸化学会2024年度大会, 25 Mar. 2024 - Mg2+ 添加による細菌のセシウム耐性を改善する生理学的重要性とその役割の解明
伊藤 政博; 石田 義基; Chongkai Zhang; 佐藤 勝也
第24回極限環境生物学会年会, 28 Aug. 2023 - Elucidation of the function of high-concentration Cs+-resistant bacteria obtained from Escherichia coli expressing the Cs+/H+ antiporter CshA derived from Microbacterium sp. TS-1
Masahiro Ito; Xiong Zhiyu; Yoshiki Ishida
48th Japan BioEnergetics Group, 15 Dec. 2022 - A study to implement advanced science on extremophiles in society to achieve the SDGs
Masahiro Ito
The 23rd Annual Meeting of the Japanese Society for Extremmophiles, 13 Nov. 2022, [Invited] - 2022年11月7日(招待講演)
Masahiro Ito
The 70th Annual Meeting of the Japanese Society for Actinomycetes, 07 Nov. 2022, [Invited] - A study to implement advanced science on extremophiles in society to achieve the SDGs
Masahiro Ito
第20回微生物研究会, 29 Oct. 2022, [Invited] - Cs+ tolerance mechanisms of high-concentration Cs+ tolerance bacterium alkaliphilic Microbacterium sp. TS-1
Ito M; Ishida Y; Koretsune T; Sato K
The 13th International Congress on Extremophiles, 21 Sep. 2022 - Alkaline pH adaptation mechanism and current applied research of alkaliphilic bacteria
Masahiro Ito
Seminar at Rensselaer Polytechnic Institute, 01 Dec. 2021, [Invited] - Purification and functional reconstitution of the multi-subunit type Na+/H+ antiporter Mrp from thermophilic Anoxybacillus flavithermus WK1.
Masahiro Ito
Thermophiles2019, 05 Sep. 2019 - Up-motility phenotype of Methylobacterium sp. ME121 in co-cultivation with Kaistia sp. 32K
Y. Usui; Y. Wakabayashi; 〇M. Ito
The 16th international symposium on Bioscience and Nanotechnology, 18 Dec. 2018 - サーマス・サーモフィルス発見・ 好アルカリ性細菌再発見50周年記念セッション「極限環境生物の未来に向けて ~故・掘越弘毅先生による 好アルカリ性細菌再発見から50周年を記念して~」
伊藤政博
第19回極限環境生物学会年会, 01 Dec. 2018, [Invited] - 好アルカリ性Bacillus属細菌の細胞表層の重要な役割と従来とは異なるカチオン駆動力を利用するべん毛モーターについて
伊藤政博
金沢大学理工研究域公開セミナー/NanoLSI異分野融合研究会, 01 Dec. 2017, [Invited] - The Mrp-type cation/proton antiporter with major functions is broadly distributed in bacteria and archaea
Masahiro Ito
Seminar at The Institute of Science and Technology Austria (IST Austria), 28 Nov. 2017, [Invited] - Nonconventional cation-coupled flagellar motors derived from the alkaliphilic Bacillus and Paenibacillus species.
Masahiro Ito
International Symposium on "Harmonized supramolecular motility machinery and its diversity, 13 Sep. 2017, [Invited] - Elucidation of ion selectivity and identification of ion transport subunits in the multi-subunit Mrp-type Na+/H+ antiporter.
Masahiro Ito
9th ASME (Asian Symposium on Microbial Ecology), 28 Apr. 2017, [Invited] - Characterization of SLH-type cell surface layer proteins and its application in alkaliphilic Bacillus pseudofirmus OF4
Masahiro Ito
1st International Conference on Applied Microbiology in Vietnam, 08 Dec. 2016, [Invited] - In memoriam: Prof. Koki Horikoshi (1932-2016)
Masahiro Ito
The 14th international symposium on Bioscience and Nanotechnology, 24 Nov. 2016, [Invited] - The elucidation of the mechanisms of coupling ion selectivity of alkaliphilic bacterial flagellar motors
Masahiro Ito
Extremophiles 2016, 13 Sep. 2016, [Invited] - Motility in Neutralophilic and alkaliphilic Bacillus
Masahiro Ito
第89回日本細菌学会総会、シンポジウムS3「細菌の運動」, 23 Mar. 2016, [Invited] - The discovery of a novel divalent cation-driven bacterial flagellar motor
Masahiro Ito
Gordon Research Conference on Sensory Transduction in Microorganisms, 20 Jan. 2016, [Invited] - Physiology and motility of alkaliphilic Bacillus
Masahiro Ito
The International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015, 16 Dec. 2015, [Invited]
Professional Memberships
Research Projects
- Development of Cesium and Strontium Removal Technology Using Alginate Gel-Encapsulated Inverted Membrane Vesicles
Grant-in-Aid for Scientific Research (C)
Toyo University
Apr. 2025 - Mar. 2028 - Development of a novel Staphylococcus aureus growth inhibitor targeting Mrp-type Na+/H+ antiporter
Grant-in-Aid for Scientific Research (C)
Toyo University
Apr. 2019 - Mar. 2022 - The elucidation of the mechanisms of ion selectivity and ion transport pathway of Mrp type Na+/H+ antiporter
Grant-in-Aid for Scientific Research (C)
Toyo University
01 Apr. 2015 - 31 Mar. 2018 - Generalization of harmonized supramolecular motility machinery and its diversity
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
Osaka City University
28 Jun. 2012 - 31 Mar. 2017 - The elucidation of the molecular mechanisms of ion selectivity of hybrid bacterial flagellar motors
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
Toyo University
28 Jun. 2012 - 31 Mar. 2017 - Elucidation of structure-function of unique bacterial flagellar stator complex from Bacillus spp.
Grant-in-Aid for Scientific Research (B)
Toyo University
2009 - 2012 - The Voltage-Gated Na+ Channel Co-localizes with Methyl-Accepting Chemotaxis Proteins ofAlkaliphile at a Cell Pole
Grant-in-Aid for Scientific Research (C)
Toyo University
2005 - 2007
Industrial Property Rights
- 特願2024-155447, 好アルカリ性細菌による醤油諸味粕の培地利用および減量化
伊藤政博 - 特許7593608, 特開2021-129511, 特願2020-026178, Screening Methods for Specific Inhibitors of Na⁺/H⁺ Antiporters
伊藤政博 - 特開2021-036860, 特願2020-126242, 微生物のイオン耐性を向上させるための添加剤組成物および方法
伊藤政博 - 特開2020-83809(P2020-83809A), 特願2018-219439(P2018-219439), セシウム輸送膜タンパク質を含む組成物
伊藤政博