Takahashi T, Aoyanagi H, Pigolotti S, Toyabe S
Blocking uncertain mispriming errors of PCR
Biophys. J 123, 3558 – 3568 (2024)
GitHub site
Kai T*, Abe T*, Yoshinaga N, Nakamura S, Kudo S, Toyabe S
Collective gradient sensing by dilute swimming bacteria without clustering
Phys. Rev. Res. 6, L032061 (2024)
* equally contributed
Patent Application
特願2024-139284
発明者：鳥谷部祥一，中山洋平，及川晋悟，沙川貴大，伊藤創祐
走査パターン情報生成装置、走査パターン情報生成方法、走査パターン情報生成プログラム、及び、レーザ光照射システム
出願人：東北大学，東京大学
出願日：2024年8月20日
Strnad M, Koizumi N, Nakamura S, Vancová M, Rego R.O.M.
It’s not all about flagella – sticky invasion by pathogenic spirochetes
Trends. Parasitol., In press
Nakayama Y and Toyabe S
Bypass mechanism of F1-ATPase for asymmetric enzyme kinetics
Submitted (2024), arXiv
Ito KI, Sato Y, Toyabe S
Design of artificial molecular motor inheriting directionality and scalability.
Biophys. J. 123, 858-866 (2024)
Abe K, Koizumi N, Nakamura S
Machine learning-based motion tracking reveals an inverse correlation between adhesivity and surface motility of the leptospirosis spirochete
Nat. Commun., 14, 7703 (2023)
Aoyanagi H, Pigolotti S, Ono S, Toyabe S
Error-suppression mechanism of PCR by blocker strands
Biophys. J. 122, 1334 – 1341 (2023)
Gupta D, Large S J., Toyabe S, Sivak D A
Optimal control of the F1-ATPase molecular motor
J. Phys. Chem. Lett. 13, 11844-11849 (2022)
Toyabe S
Rotary Molecular motors
(contribution (section 5.4) to “Molecular Robotics: An Introduction” edited by Satoshi Murata), Springer (2022) 
鳥谷部祥一著 『生物物理学』 (2022)
日本評論社 物理学アドバンストシリーズ（大塚 孝治, 佐野 雅己, 宮下精二 編集）
サポートサイト（Python用ソースコード）： https://stoyabe.github.io/biophys/
Xu J, Koizumi N, Morimoto YV, Ozuru R, Masuzawa T, Nakamura S
Light dependent synthesis of a nucleotide second messenger controls the motility of a spirochete bacterium
Sci Rep (2022) 12, 6825
Nakamura S
Motility of the zoonotic spirochete Leptospira: Insight into association with pathogenicity
Int. J. Mol. Sci. (2022) 23, 1859
Nakao R, Masuzawa T, Nakamura S, Koizumi N
Complete genome sequence of Leptospira kobayashii strain E30, isolated from soil in Japan
Microbiol Resour Announc (2021) 10, e0090721
Kokubu E, Kikuchi Y, Okamoto‐Shibayama K, Nakamura S, Ishihara K
Crawling motility of Treponema denticola modulated by outer sheath protein
Microbiol Immunol. (2021)
中山洋平，鳥谷部祥一
分子がはたらくということ
現代化学 605, 30 (2021) （2021年8月号）
Ito KI, Nakamura S, Toyabe S,
Cooperative stator assembly of bacterial flagellar motor mediated by rotation
Nature Communications 12, 3218 (2021).
Nakayama Y, Toyabe S
Optimal rectification without forward-current suppression by biological molecular motor.
Phys. Rev. Lett. 126, 208101 (2021) (preprint: arXiv:2008.07106)
鳥谷部祥一
生体分子モーターの動作メカニズムとエネルギー論.
Petrotech 44, 421 (2021)
Sebastián I, Okura N, Humbel BM, Xu J, Hermawan I, Matsuura C, Hall M, Takayama C, Yamashiro T, Nakamura S, Toma C
Disassembly of the apical junctional complex during the transmigration of Leptospira interrogans across polarized renal proximal tubule epithelial cells.
Cell. Microbiol. (2021) e13343
Abe K, Kuribayashi T, Takabe K, Nakamura S.
Implications of back-and-forth motion and powerful propulsion for spirochetal invasion.
Sci. Rep. (2020) 10, 13937
Xu J, Koizumi N, Nakamura S.
Crawling motility on the host tissue surfaces is associated with the pathogenicity of the zoonotic spirochete Leptospira.
Front. Microbiol. (2020) doi: 10.3389/fmicb.2020.01886
鳥谷部祥一，Braun D.,
鋳型複製系における種の起源
生物物理 60, 295 – 299 (2020)
Nakamura S
Measurement of the cell-body rotation of Leptospira
Methods Mol Biol. Leptospira spp. 2134: 139-148. doi: 10.1007/978-1-0716-0459-5_13 (2020)
Toyabe S, Izumida Y.
Experimental characterization of autonomous heat engine based on minimal dynamical-system model.
Phys. Rev. Res 2, 033146 (2020)
Tanaka M, Kawakami T, Okaniwa T, Nakayama Y, Toyabe S, Ueno H, and Muneyuki E,
Tight chemomechanical coupling of the F1 motor relies on structural stability
Biophys. J. 119, 48 (2020)
Morita T, Omori T, Nakayama Y, Toyabe S, and Ishikawa T,
Harnessing random low Reynolds number flow for net migration
Phys. Rev. E 101, 063101 (2020)
Li CB, Toyabe S,
Efficiencies of molecular motors: a comprehensible overview
Biophys. Rev. 12, 419 – 423 (2020)
Toyabe S, Li CB, Kinbara K,
Session 2SDA—Nonequilibrium energetics of biological molecular machines
Biophys. Rev. 12, 273 – 274 (2020)
Nakamura S, Kage A
Session 3SCA – Diversity and universality of motile mechanism of living things: from intracellular dynamics to collective motion
Biophys Rev 12: 293–294 doi: org/10.1007/s12551-020-00629-0 (2020)
Nakamura S
Spirochete flagella and motility (Review)
Biomolecules. doi: 10.3390/biom10040550 (2020)
Miyata M, Robinson RC, Uyeda T.Q.P., et al.
Tree of motility – A proposed history of motility systems in the tree of life.
Genes Cells. 25:6–21. (2020)
Masuzawa T, Uno R, Matsuhashi N, Yamaguchi M, Xu J, Nakamura S
Comparison of Leptospira species isolated from environmental water and soil in Japan.
Microbiol. Immun. 63: 469-473 (2019)
Nakamura S, Hanaizumi Y, Morimoto YV, Inoue Y, Erchard M, Minamino T, and Namba K
Direct observation of speed fluctuations of flagellar motor rotation at extremely low load close to zero
Mol. Microbiol. (2019)
Nakamura S, Minamino T.
Flagella-driven motility of bacteria. (Review)
Biomolecules, 9: 279 (2019)
中村修一．
細菌の運動機構に関する研究 ー平成31年黒屋奨学賞受賞論文ー
日本細菌学雑誌 74: 157-165 (2019)
Xu J, Koyanagi Y, Isogai E, Nakamura S.
Effects of fermentation products of the commensal bacterium Clostridium ramosum on motility, intracellular pH, and flagellar synthesis of enterohemorrhagic
Escherichia coli.
Arch. Microbiol. 201:841–846 (2019)
鳥谷部祥一．
回転分子モーター．
a chapter of “分子ロボティクス概論” (CBI出版, 2019) edited by Satoshi Murata
Sato K, Nakamura S, Kudo S, Toyabe S,
Evaluation of the duty ratio of the bacterial flagellar motor by dynamic load control
Biophys. J., 116, 1952 (2019)
Toyabe S, Braun D
Cooperative ligation breaks sequence symmetry and stabilizes early molecular evolution
Phys. Rev. X 9, 011056 (2019) – News in Nature Physics, ScienceDaily
Suzuki Y, Morimoto YV, Oono K, Hayashi F, Oosawa K, Kudo S, Nakamura S (2019)
Effect of the MotA(M206I) mutation on torque generation and stator assembly in the Salmonella H+-driven flagellar motor.
J. Bacteriol. 201:e00727-18.
Okuno K, Xu J, Isogai E, Nakamura S (2019)
Salmonella Typhimurium is attracted to egg yolk and repelled by albumen.
Curr. Microbiol. 76:393–397.
鳥谷部祥一．
生体分子モーター －進化が生んだ超高性能ナノマシンー．
精密工学会誌 84(11), 905 (2018)
Tahara H, Takabe K, Sasaki Y, Kasuga K, Kawamoto A, Koizumi N, Nakamura S.
The mechanism of two-phase motility in the spirochete Leptospira: Swimming and crawling.
Sci. Adv. 4, eaar7975 (2018)
中村修一．
スピロヘータの運動メカニズム．
生物工学会誌 96(4), p195-199（2018）
高部響介，川本晃大，中村修一．
菌体内べん毛を利用する螺旋形細菌の遊泳メカニズム．
生物物理 58：191-195（2018）
Sasaki Y, Kawamoto A, Tahara H, Kasuga K, Sato R, Ohnishi M, Nakamura S, Koizumi N.
Leptospiral flagellar sheath protein FcpA interacts with FlaA2 and FlaB1 in Leptospira biflexa.
PLOS One 13, e0194923 (2018)
中村修一．
細菌のべん毛モーター：動きを与える分子マシンの作動原理．
CSJカレントレビュー26「分子マシンの科学 分子の動きとその機能を見る」，p91-96. 化学同人（2017）
Takabe K, Kawamoto A, Tahara H, Kudo S, Nakamura S.
Implications of coordinated cell-body rotations for Leptospira motility.
Biochem. Biophys. Res. Commun., 491, p1040-1046 (2017)
Terahara N, Noguchi Y, Nakamura S, Kami-ike N, Ito M, Namba K, Minamino T.
Load- and polysaccharide-dependent activation of the Na+-type MotPS stator in the Bacillus subtilis flagellar motor.
Sci. Rep. 7: 46081 (2017)
Takabe K, Tahara H, Md. Islam S, Affroze S, Kudo S, and Nakamura S.
Viscosity-dependent variations in the cell shape and swimming manner of Leptospira.
Microbiology 163, p153-160 (2017)
Nakamura S, Md. Islam S.
Motility of Spirochetes. Methods in Molecular Biology 1593 “The Bacterial Flagellum, Methods and Protocols”, p243–251. Springer (2017)
S. Toyabe
生命現象における非平衡揺らぎとその応用
物性研究 6, 064211 (2017) (Lecture notes in Japanese)
Sakamoto Y, Toyabe S
Assembly of a functional and responsive microstructure by heat bonding of DNA-grafted colloidal brick
Sci. Rep. 7, 9104 (2017)
Abe T, Nakamura S, Kudo S.
Bioconvection induced by bacterial chemotaxis in a capillary assay.
Biochem. Biophys. Res. Commun. 483, p277-282 (2017)
Toyabe S
Decoding Fluctuation: Diffusional Analysis of Biological Molecular Motors
J. Phys. Soc. Jpn. News Comments, 13, 07 (2016) (News article)
Affroze S, Md. Islam S, Takabe K, Kudo S, Nakamura S.
Characterization of leptospiral chemoreceptors using a microscopic agar drop assay.
Curr. Microbiol. 73, 202-205. (2016)
Xu J, Nakamura S, Md. Islam S, Guo Y, Ihara K, Tomioka R, Masuda M,
Yoneyama H, Isogai E.
Mannose-binding lectin inhibits the motility of pathogenic
Salmonella by affecting the driving forces of motility and the chemotactic
response.
PLoS One
11, e0154165 (2016)
Toyabe S., Sano M.
Nonequilibrium fluctuations in biological strands, machines, and cells (Review article).
J. Phys. Soc. Japan, 84, 102001 (2015)
Md. Shafiqul Islam, Yusuke V. Morimoto, Seishi Kudo, Shuichi Nakamura
H+ and Na+ are involved in flagellar rotation of the spirochete Leptospira
Biochem. Biophys. Res. Comm., 466, 196-200 (2015)
Hayashi R., Sasaki K, Nakamura S., Kudo S., Inoue Y., Noji H. and Hayashi K..
Giant acceleration of diffusion observed in a single-molecule experiment on F1-ATPase.
Phys. Rev. Lett. 114, 248101 (2015)
Nakamura S, Morimoto YV, Kudo S.
A lactose fermentation product produced by Lactococcus lactis subsp. lactis, acetate, inhibits the motility of flagellated pathogenic bacteria.
Microbiology 161, 701 (2015)
Xu J, Guo Y, Nakamura S, Islam Md. S, Tomioka R, Yoneyama H, Isogai E.
Mannose-Binding Lectin Impairs Leptospira Activity through the Inhibitory Effect on the Motility of Cell.
Microbiological Research 171, 21 (2015)
Guo Y, Fukuda T, Nakamura S, Bai L, Xu J, Kuroda K, Tomioka R, Yoneyama H, Isogai E.
Interaction between Leptospiral Lipopolysaccharide and Toll-like Receptor 2 in Pig Fibroblast Cell Line, and Inhibitory Effect of Antibody against Leptospiral Lipopolysaccharide on Interaction.
Asian Australas. J. Anim. Sci. 28: 273-279. (2015)
Toyabe S. and Muneyuki E.
Single molecule thermodynamics of ATP synthesis by F1-ATPase
New J. Phys. 17: 015008 (2015)
Nakamura S.,
スピロヘータの形と運動
日本細菌学雑誌 69: 527-538 (2014)
Guo Y, Fukuda T, Donai K, Kuroda K, Masuda M, Nakamura S, Yoneyama H
and Isogai E.
Leptospiral lipopolysaccharide stimulates the
expression of toll-like receptor 2 and cytokines in pig fibroblasts.
Anim. Sci. J. in press. (2014)
Islam Md. S, Takabe K,
Kudo S and Nakamura S.
Analysis of the chemotactic behaviour of
Leptospira using microscopic agar-drop assay.
FEMS Microbiol.
Lett. 365: 39-44. (2014)
Nakamura S, Minamino T,
Kami-ike N, Kudo S and Namba K.
Effect of the MotB(D33N)
mutation on stator assembly and rotation of the proton-driven
bacterial flagellar motor.
BIOPHYSICS 10: 35-41. (2014)
Nakamura S., Leshansky A., Magariyama Y., Namba K., Kudo S..
Direct measurement of helical cell motion of the spirochete Leptospira.
Biophys. J. 106: 47-54. (2014)
Che YS, Nakamura S, Morimoto YV, Kami-Ike N, Namba K, Minamino T.
Load-sensitive coupling of proton translocation and torque generation in the bacterial flagellar motor.
Mol. Microbiol. 91:175-184. (2014)
Muneyuki E. and Toyabe S.
分子モーターの１分子実験熱力学
a chapter in “１分子ナノバイオ計測” (化学同人) edited by Hiroyuki Noji (in Japanese)
see Amazon.co.jp
Muneyuki E., Toyabe S., and Ueno H.
FoF1 モーター
a book chapter in “１分子生物学” (化学同人) edited by Yoshie Harada and Shin-ichi Ishiwata (in Japanese) see Amazon.co.jp
Castillo DJ, Nakamura S., YV. Morimoto, YS Che, N. Kami-ike, Kudo S., T. Minamino, K. Namba.
The C-terminal periplasmic domain of MotB is responsible for load-dependent control of the number of stators of the bacterial flagellar motor.
BIOPHYSICS 9: 173-181. (2013)
Kishikawa J, Ibuki T, Nakamura S,
Nakanishi A, Minamino T, Miyata T, Namba K, Konno H, Ueno H, Imada
K, Yokoyama K.
Common evolutionary origin for the rotor domain of
rotary ATPases and flagellar protein export apparatus.
PLoS One.
8:e64695. (2013)
Takabe K, Nakamura S, Ashihara M, Kudo
S.
Effect of osmolarity and viscosity on the motility of
pathogenic and saprophytic Leptospira.
Microbiol. Immunol.
57:236-9. (2013)
Guo Y, Nakamura S, Ando T, Yoneyama H, Kudo S, and Isogai E.
The inhibition effect of antiserum on the motility of Leptospira.
Curr. Microbiol. 66:359-64. (2013)
Morimoto Y.V., Nakamura S, Hiraoka K.D., Namba K, Minamino T.
Distinct roles of highly conserved charged residues at the MotA-FliG interface in bacterial flagellar motor rotation.
J. Bacteriol.195:474-81. (2013)
Toyabe S. and Muneyuki E.
Experimental thermodynamics of single molecular motor
biophysics 9, 91 (2013) (Review article)
Toyabe S. and
Muneyuki E.
Information-to-free-energy conversion: utilizing
thermal fluctuations
biophysics 9, 107 (2013) (Review article)
Muneyuki E.
and Toyabe S.
Demonstration of Maxwell’s demon
a chapter in
“ナノスケール・ミクロスケールから見えるビッグな世界” (Chuo University Press, 2013) (in
Japanese)
see amazon.co.jp
Miyazaki S., Matsumoto M., Brier S. B., Higaki T., Yamada T., Okamoto T., Ueno H., Toyabe S., and Muneyuki E.
Properties of electrogenic activity of bacteriorhodopsin
Eur. Biophys. J. 42, 257 (2013)
Kikuchi Y., Naka Y., Osakabe H., Okamoto T., Masaike T., Ueno H., Toyabe S., and Muneyuki E.
Thermodynamic analyses of nucleotide binding to an isolated monomeric β subunit and the α3β3γ subcomplex of F1-ATPase
Biophys. J. 105, 2541 (2013)
Toyabe S., Ueno H., and Muneyuki E.
Recovery of state-specific potential of molecular motor from single-molecule trajectory
EPL 97, 40004 (2012)
Toyabe S. and Muneyuki E.
熱ゆらぎを利用する―情報熱機関の実現―
生物物理 52, 136 ( 2012) (Review article in Japanese)
Faulds-Pain A., Birchall C., Aldridge C., Smith W.D., Grimaldi G.., Nakamura S., Miyata T., Gray J., Li G., Tang J.X., Namba K., Minamino T. and Aldridge P.D.
Flagellin redundancy in Caulobacter crescentus and its implications for flagellar filament assembly.
J. Bacteriol. 193, 2695-2707. (2011)
Minamino T., Imada K., Kinoshita M., Nakamura S., Morimoto Y.V. and Namba K.
Structural insight into the rotational switching mechanism of the bacterial flagellar motor.
PLoS Biol. 9:e1000616. (2011)
中村修一, 南野徹
水素イオンで動く細菌べん毛モーターの構造と機能
化学と生物, 49巻1号, 22-31 (2011) (review in Japanese)
Toyabe S., T. Watanabe-Nakayama, T. Okamoto, Kudo S., and Muneyuki E.
Thermodynamic efficiency and mechanochemical coupling of F1-ATPase
Proc. Natl. Acad. Sci. USA 108, 17951 (2011)
Toyabe S.
情報と熱と悪魔―熱運動を利用する
科学
81, 1142 (2011) (Review article in Japanese)
Toyabe S.
情報を自由エネルギーに変換する
物性研究 96, 11 (2011)
– for a conference “Physics of Nonequilibrium Systems -Fluctuation and Collective Behavior-” at YITP (in Japanese)
Fujii S., Kanaizuka K., Toyabe S., Kobayashi K., Muneyuki E., and Haga M.
Fabrication and Placement of a Ring Structure of Nanoparticles by a Laser-Induced Micronanobubble on a Gold Surface
Langmuir 27, 8605 (2011)
Morimoto Y.V.*, Nakamura S.*, Kami-ike N., Namba K. and Minamino T. (*equal contribution)
Charged residues in the cytoplasmic loop of MotA are required for stator assembly in to the bacterial flagellar motor.
Mol. Microbiol. 78: 1117-1129. (2010)
Nakamura S., Kami-ike N., Yokota J.P., Minamino, T. and K. Namba.
Evidence for symmetry in the elementary process of bidirectional torque generation by the bacterial flagellar motor.
Proc. Natl. Acad. Sci. USA. 107:17616-17620. (2010)
Toyabe S., Sagawa
T., Ueda M., Muneyuki E., and Sano M.
Experimental
demonstration of information-to-energy conversion and validation of
the generalized Jarzynski equality
Nature Physics 6, 988 (2010) – see also News&Views, Nature
News, and YouTube
Toyabe S., Okamoto T., Watanabe-Nakayama T., Taketani h., Kudo S., and Muneyuki E.
Nonequilibrium energetics of a single F1-ATPase molecule
Phys. Rev. Lett. 104, 198103 (2010)
Toyabe S. and Muneyuki E.
Single-molecule nonequilibrium energetics of a
molecular-motor F1-ATPase
物性研究 95, 320
(2010)
– for a conference “4th Mini-symposium on Liquids” (in
Japanese)
Fujii S., Kobayashi K., Kanaizuka K., Okamoto T., Toyabe S., Muneyuki E., and Haga M.
Observation of DNA pinning at laser focal point on Au surface and its application to single DNA nanowire and cross-wire formation
Bioelectrochemistry 80, 26 (2010)
Fujii S., Kobayashi K., Kanaizuka K., Okamoto T., Toyabe S., Muneyuki E., and Haga M.
Manipulation of Single DNA Using a Micronanobubble Formed by Local Laser Heating on a Au-coated Surface
Chem. Lett. 39, 92 (2010)
Nakamura, S., Morimoto, Y.V., Kami-ike, N., Minamino, T., and K. Namba.
Role of conserved prolyl residue (Pro173) of MotA in the mechanochemical reaction cycle of the proton-driven flagellar motor of Salmonella.
J. Mol. Biol. 393:300-307. (2009)
Nakamura S., Kami-ike N., Yokota J.P., Kudo S., Minamino T., and Namba K.
Effect of intracellular pH on the torque-speed relationship of bacterial proton-driven flagellar motor.
J. Mol. Biol. 386:332-338. (2008)
Che Y-S., Nakamura S., Kojima S.,
Kami-ike N., Namba K., and Minamino T.
Suppressor analysis of
the MotB(D33E) mutation to probe bacterial flagellar motor dynamics
coupled with proton translocation.
J. Bacteriol. 190:6660-6667.
(2008)
Toyabe S. and M. Sano
Evaluating Energy
Dissipation of a Brownian Particle in a Viscoelastic Fluid
Phys.
Rev. E 77, 041403 (2008)
Watanabe-Nakayama T., Toyabe S., Kudo S., Sugiyama S., Yoshida M., and Muneyuki E.
Effect of external torque on the ATP-driven rotation of F1-ATPase
Biochem. Biophys. Res. Comm. 366, 951 (2008)
Toyabe S., Jiang H. R., Nakamura T., Murayama Y., and Sano M.
Experimental Test of a New Equality: Measuring Heat Dissipation in an Optically Driven Colloidal System
Phys. Rev. E 75, 011122 (2007)
T. Goto, S. Kudo and Y. Magariyama
Asymmetric Swimming Motion of Singly Flagellated Bacteria near a Rigid Surface.
a book chapter in Bio-mechanisms of Swimming and Flying, 3-15 (2007)
西鳥羽恵美、曲山幸生、高野泰斉、飯野正昭、工藤成史
レーザー暗視野顕微鏡を用いたサルモネラ菌べん毛のらせんパラメータ観測.
可視化情報学会論文集,27(3), 15-21 (2007)
Nakamura S., Adachi Y., Goto T. and Magariyama Y.
Improvement in motion efficiency of the spirochete Brachyspira pilosicoli in viscous environments.
Biophys. J. 90:3019–3026. (2006)
Y. Hayashibara, T. Agui, T. Ito, M. Oohaba, E. Koyanagi, T. Sekine, M. Takeuchi, and S. Kudo
Educational program with making automatic machines continuously from the basic to the applications.
J. Robotics and Mechatronics,18, 215-221 (2006)
Toyabe S. and Sano M.
Spatial Suppression of Error Catastrophe in a Growing Pattern
Physica D 203,1 (2005)
Y. Takano, S. Kudo, M. Nishitoba, and Y.
Magariyama
Analyses on Deformation of Helical Flagella of
Salmonella.
JSME International J., C,48, 513-520 (2005)
Y. Magariyama, M. Ichiba, K. Nakata, K. Baba, T. Ohtani, S. Kudo, T. Goto
Difference in bacterial motion between forward and backward swimming caused by the wall effect.
Biophys J. 88, 3648-3658 (2005)
S. Kudo, N. Imai, M. Nishitoba, S. Sugiyama, and Y. Magariyama
Asymmetric swimming pattern of Vibrio alginolyticus cells with single-polar flagella.
FEMS Microbiol. Letters,242, 221-225 (2005)
Y. Magariyama, S. Kudo, T. Goto and Y. Takano
An Engineering Perspective on Swimming Bacteria: High-Speed
Flagellar Motor, Intelligent Flagellar Filaments, and Skillful
Swimming in Viscous Environments
Bio-mechanisms of Swimming and
Flying, 1-12 (2004)
S. Sugiyama, Y. Magariyama and S. Kudo
Forced rotation of Na+-driven flagellar motor in a coupling-ion free environment.
Biochimica et Biophysica Acta,1656,32-36 (2004)
Y. Takano, K. Yoshida, S. Kudo, M. Nishitoba and Y. Magariyama
Analysis of small deformation of Helical flagellum of swimming Vibrio alginolyticus.
JSME International J., C,46, 1241-1247 (2003)
Y. Magariyama and S. Kudo
A Mathematical
Explanation of an Increase in Bacterial Swimming Speed with
Viscosity in Linear-Polymer Solutions.
Biophys. J. 83,733-739
(2002)
川久保達之、工藤成史、古野泰二、前田忠計
基礎としての物理学 (生命科学の基礎シリーズ第2巻)
実教出版 (2002)
Y. Magariyama, S. Masuda, Y. Takano, T. Ohtani, and S. Kudo
Difference between forward and backward swimming speeds of the single-polar-flagellated bacterium, Vibrio alginolyticus.
FEMS Microbiol. Letters 205, 343-347 (2001)
Y. Magariyama, S. Sugiyama and S. Kudo
Bacterial swimming speed and rotation rate of bundled flagella.
FEMS Microbiol. Letters,199,125-129 (2001)
西鳥羽恵美、工藤成史
バクテリアの運動とべん毛モータ
日本機械学会誌,104, 602-603 (2001)
曲山幸生、工藤成史
ナノ・マイクロマシンシステムとして見た細菌運動
日本機械学会誌,103, 38-41 (2000)
鈴木仁、益子信郎、杉山滋、工藤成史
生体分子機構におけるトライボロジー現象の解析.
トライボロジスト 44, 420-425 (1999)
工藤成史
微生物世界の運動.
パリティ,13, 4-12
S.
Kojima, T. Atsumi, K. Muramoto, S. Kudo, I. Kawagishi and M. Homma
Vibrio alginolyticus mutants resistant to phenamil, a specific
inhibitor of the sodium-driven flagellar motor.
J. Mol. Biol.
265, 310-318 (1997)
杉山滋、工藤成史
べん毛モータの機能解析における新展開
応用物理学会、有機分子・バイオエレクトロニクス分科会・会誌 8, 131-140 (1997)
K. Muramoto, Y. Magariyama, M. Homma, I. Kawagishi, S. Sugiyama, Y. Imae and S. Kudo
Rotational fluctuation of the sodium-driven flagellar motor of Vibrio alginolyticus induced by binding of inhibitors
J. Mol. Biol. 259, 687-695 (1996)
工藤成史
マイクロ世界の運動：バクテリアとべん毛モータ.
日本ロボット学会誌,14, 1125-1128 (1996)
菊池佑二、菊池裕子、曲山幸生、杉山滋、工藤成史
菌血症モデルにおける白血球レオロジー —毛細血管モデルを用いた観察—.
Proc. 8th Jikei Symp. on Hemorheology, 53-60 (1996)
Y.
Magariyama, S. Sugiyama, K. Muramoto, I. Kawagishi, Y. Imae and S.
Kudo
Simultaneous Measurement of Bacterial Flagellar Rotation
Rate and Swimming Speed.
Biophys. J. 69, 2154-2162 (1995)
K. Muramoto, I. Kawagishi, S. Kudo, Y. Magariyama, Y. Imae and M. Homma
High-speed Rotation and Speed Stability of the Sodium-driven Flagellar Motor in Vibrio alginolyticus
J. Mol. Biol. 251,50-58 (1995)
Y. Kikuchi, Y. Magariyama, S. Sugiyama and S. Kudo
Leukocyte Rheology in a Model of Bacteria.
Microcirc. ann. 11, 31-32 (1995)
工藤成史，曲山幸生，杉山滋
バクテリアの運動とべん毛モータ.
トライボロジスト,40, 488-493 (1995)
曲山幸生，工藤成史
細菌べん毛モータの機能測定.
メカライフ 41, 38-39
Very fast flagellar
rotation
Y. Magariyama, S. Sugiyama, K. Muramoto, Y. Maekawa, I.
Kawagishi, Y. Imae and S. Kudo
Nature 371, 752 (1994)
工藤成史，曲山幸生，杉山滋
分子機械・べん毛モータ.
機械の研究 46, 210-213 (1994)
工藤成史、曲山幸生、杉山滋
生物に学ぶ技術を目指して－べん毛モータの研究.
技報 安川電機 58, 204-207 (1994)
M. Washizu, Y. Kurahashi, H. Iochi, O. Kurosawa, S.-I.
Aizawa, S. Kudo, Y. Magariyama, and H .Hotani
Dielectrophoretic
Measurement of Bacterial Motor Characteristics.
IEEE Trans.
Industry Applicat. 29, 286-294 (1993)
工藤成史，曲山幸生
細菌べん毛モータの回転計測.
材料科学,30, 210-214, (1993)
N. Kami-ike, S. Kudo and H. Hotani
Rapid changes in flagellar rotation induced by external electric pulses.
Biophys. J.,60,1350-1355 (1991)
工藤成史，曲山幸生，相沢慎一
レーザー暗視野顕微鏡によるべん毛モータの回転計測.
生物物理 31, 38-40 (1991)
工藤成史
生物の分子機械
豊田中央研究所 R&D レビュー 26, 31-47 (1991)
工藤成史
極微の回転機械：べん毛モータ.
東海化学工業会報 164, 1-4 (1991)
S. Kudo, Y. Magariyama and S.-I. Aizawa
Abrupt changes in flagellar rotation observed by laser dark-field microscopy.
Nature 346, 677-680 (1990)
工藤成史, 小澤正邦
論 複合振動子法によるセラミックスの弾性率測定（第１報）－簡易化と高精度化－.
日本セラミックス協会学術論文誌,98, 653-657 (1990)
小澤正邦, 工藤成史
複合振動子法によるセラミックスの弾性率測定（第２報）－高温測定－.
日本セラミック協会学術論文誌,98, 987-990 (1990)
小澤正邦, 工藤成史
複合振動子法によるセラミックスの弾性率測定.
ファインセラミックス,53,
266-2741 (1990)
工藤成史，宝谷紘一
レーザー斜光暗視野顕微鏡.
細胞,22, 267-270 (1990)
H. Okino, M. Isomura, S. Yamaguchi, Y. Magariyama, S. Kudo and S.-I. Aizawa
Release of Flagellar Filament-Hook-Rod Complex by a Salmonella typhimurium Mutant Defective in the M-Ring of the Basal Body.
J. Bacteriol.,171(4), 2075-2082 (1989)
S. Kudo and M. Ozawa
Evaluation and
Minimization of Experimental Errors in Elastic Constants and
Internal Friction Obtained by the Composite-Bar Method.
Jpn. J.
Appl. Phys., 28 (Supplement 28-2),184-186 (1989)
S. Kudo, J. Mizuno and H. Hasegawa
Raman Microprobe Study of Phase Transfor-mation in Y２O３-PSZ.
Adv. Ceramics,24,103-108 (1988)
工藤成史, 水野二郎, 長谷川英雄
Y２O３-PSZ における応力誘起相変態の顕微ラマン観察.
窯業協会誌,94(8),(1986),737-741
S. Kudo
X-Ray Determination of
Incommensurate Superlattices in K２SeO４ and (NH４)２BeF４.
Jpn. J.
Appl. Phys.,21,255-258 (1982)
S. Kudo and T. Ikeda
Birefringence and Lattice Strain in K２SeO４.
J. Phys. Soc. Jpn.,50, 3681-3687 (1981)
S. Kudo and T. Ikeda
Hydrostatic Pressure Effect on the Dielectric Properties of K２SeO４.
J. Phys. Soc. Jpn.,50(3),(1981),733-734
S. Kudo and T. Ikeda
Elastic Compliance Anomalies in K２SeO４.
Jpn. J. Appl. Phys.,19(1),(1980),L45-L48
S. Kudo and T. Hikita
Brillouin
Scattering Study of Ferroelectric (NH４)２BeF４.
J. Phys. Soc.
Jpn.,45(5),(1978),1775-1776