OOSAWA KENJI - My portal

Profile Information

Affiliation: Gunma University

Degree: Ph. D.(Nagoya University)

J-GLOBAL ID: 200901067984116727
researchmap Member ID: 1000093297

Research Interests

Research Areas

Research History

2007 - 2013

Professor, Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University
2007 - 2013

群馬大学大学院工学研究科応用化学・生物化学専攻教授
2013

- Gunma University, Faculty of Science and Technology, Division of Molecular Science, Professor
2013

- 群馬大学理工学研究院分子科学部門教授
2003 - 2007

Professor, Department of Nano-Material Systems, Graduate School of Engineering, Gunma University
2003 - 2007

群馬大学大学院工学研究科ナノ材料システム工学専攻教授
1995 - 2003

Associate Professor, Graduate School of Mathematics, Nagoya University
1995 - 2003

Graduate School of Mathematics, Nagoya University
1998 - 2002

Group Leader, Namba Protonic NanoMachine Project, ERATO, JST
1998 - 2002

科学技術振興事業団創造科学技術推進事業難波プロトニックナノマシンプロジェクトグループリーダー
1991 - 1995

Research Assistant, Department of Biosciences, Faculty of Engineering, Teikyo University
1991 - 1995

Faculty of Science and Engineering, Department of Biosciences, Teikyo University
1989 - 1991

Researcher, Hotani Molecular Dynamic Assembly Project, ERATO, JRDC
1989 - 1991

新技術事業団創造科学技術推進事業宝谷超分子柔構造プロジェクト研究員
1988 - 1989

Research Assistant, Medical School, Osaka University
1988 - 1989

Faculty of Medicine, Osaka University
1987 - 1988

Senior Research Fellow at Division of Biology, California Institute of Technology
1987 - 1988

米国カリフォルニア工科大学生物学部門上級研究員
1984 - 1987

Research Fellow at Division of Biology, California Institute of Technology
1984 - 1987

米国カリフォルニア工科大学生物学部門研究員

Education

Committee Memberships

Papers

Effect of the MotA(M206I) Mutation on Torque Generation and Stator Assembly in the Salmonella H -Driven Flagellar Motor

Yuya Suzuki, Yusuke V. Morimoto, Kodai Oono, Fumio Hayashi, Kenji Oosawa, Seishi Kudo, Shuichi Nakamura

Journal of Bacteriology, 201(6), Mar, 2019 Peer-reviewed
Genetic analysis of revertants isolated from the rod-fragile flip mutant of Salmonella

Hitomi Komatsu, Fumio Hayashi, Masahiro Sasa, Koji Shikata, Shigeru Yamaguchi, Keiichi Namba, Kenji Oosawa

Biophysics and Physicobiology, 13 13-25, Feb, 2016 Peer-reviewed
SptP(106-136) plays a role in the complex formation with SptP-specific chaperone SicP

Fumio Hayashi, Yurie Kawashima, Shinobu Takeuchi, Kensuke Okimori, Eri Inobe, Kenji Oosawa

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY, 78(9) 1560-1563, Sep, 2014 Peer-reviewed
Key amino acid residues involved in the transitions of L-to R-type protofilaments of the Salmonella flagellar filament

Fumio Hayashi, Hidetoshi Tomaru, Eiji Furukawa, Kanae Ikeda, Hiroko Fukano, Kenji Oosawa

Journal of Bacteriology, 195(16) 3503-3513, 2013 Peer-reviewed
サルモネラ菌復帰変異体べん毛繊維のらせん構造と機能

林史夫, 都丸英敏, 大澤研二

高分子論文集, 67(12), Dec, 2010 Peer-reviewed
pH dependence of rheological properties of the mixture of gelatin and agar

Y. Toyama, C. Yaginuma, M. Yamakawa, K. Kubota, N. Shimizu, F. Hayashi, Kenji Oosawa

Transactions of the Materials Research Society of Japan, 33(2), 2008 Peer-reviewed
Raman optical activity of flagellar filaments of Salmonella: Unusually intense ROA from L-type self-assembled protein filaments and their possible higher level chiral organization

T. Uchiyama, M. Sonoyama, Y. Hamada, R. K. Dukor, L. A. Nafie, F. Hayashi, Kenji Oosawa

Vibrational Spectroscopy, 48, 2008 Peer-reviewed
Analysis of tandem repeats found in 44 prokaryotic genomes

OOSAWA KENJI, S. Mizuta, H. Munakata, A. Aimaiti, I. Oya, T. Shimizu

In Silico Biol., 6:0014, 2006 Peer-reviewed
Raman spectroscopic study on the L-type straight flagellar filament of Salmonella

OOSAWA KENJI, T. Uchiyama, M. Sonoyama, Y. Hamada, M. Komatsu, R. K. Dukor, L. A. Nafie

Vib. Spectrosc., 42,?192-194, 2006 Peer-reviewed
In vitro characterization of FlgB, FlgC, FlgF, FlgG, and FliE, flagellar basal body proteins of Salmonella

OOSAWA KENJI, Yumiko Saijo-Hamano, Naoko Uchida, Keiichi Namba

J. Mol. Biol., 339:423-435, 2004 Peer-reviewed
Evaluation of the color-coding method for searching tandem repeats in prokaryotic genomes

OOSAWA KENJI, Mizuta S, Munakata H, Aimaiti A, Shimizu T

Chem-Bio Informatics, 4: 133-141, 2004 Peer-reviewed
Effect of intracellular pH on rotational speed of bacterial flagellar motors

OOSAWA KENJI, Tohru Minamino, Yasuo Imae, Fumio Oosawa, Yuji Kobayashi

J. Bacteriol., 185:1190-1194, 2003 Peer-reviewed
Structural properties of FliH, an ATPase regulatory component of the Salmonella type III flagellar export apparatus

OOSAWA KENJI, Tohru Minamino, B. Gonzalez-Pedrajo, Keiichi Namba, R. M. Macnab

J. Mol. Biol., 322:281-290, 2002 Peer-reviewed
A new purification method for overproduced proteins sensitive to endogenous proteases

OOSAWA KENJI

J.?Struct.?Biol., 132,?142-146, 2000 Peer-reviewed
Color-coding reveals tandem repeats in the Escherichia coli genome

OOSAWA KENJI

J.?Mol.?Biol., 298,?343-349, 2000 Peer-reviewed
A method for information analysis of sequences by two-dimensional pattern formation with coloration

OOSAWA KENJI

Quantum?information, 27-58, 1999
Assembly characteristics of flagellar cap protein HAP2 of Salmonella : decamer and pentamer in the pH-sensitive equilibrium

OOSAWA KENJI

Journal?of?Molecular?Biology, 277/,883, 1998 Peer-reviewed
A structural feature in the central channel of the bacterial flagellar FliF ring complex is implicated in type III protein export

OOSAWA KENJI

Journal?of?Structural?Biology, 124/,104, 1998 Peer-reviewed
Three-dimensional structure of bacterial flagellar motor in the cytoplasmic membrane.

OOSAWA KENJI

Biophysics, 37/,63, 1997
細胞膜内におけるべん毛モータの立体構造(共著)

大澤研二

生物物理, 37/,63, 1997

Misc.

Genetic analysis of revertants isolated from the rod-fragile flip mutant of Salmonella

Hitomi Komatsu, Fumio Hayashi, Masahiro Sasa, Koji Shikata, Shigeru Yamaguchi, Keiichi Namba, Kenji Oosawa

Biophysics and Physicobiology, 13 13-25, 2016
Genetic analysis of revertants isolated from the rod-fragile fliF mutant of Salmonella

Komatsu Hitomi, Hayashi Fumio, Sasa Masahiro, Shikata Koji, Yamaguchi Shigeru, Namba Keiichi, Oosawa Kenji

Biophysics and Physicobiology, 13 13-25, 2016
SptP(106-136) plays a role in the complex formation with SptP-specific chaperone SicP

Fumio Hayashi, Yurie Kawashima, Shinobu Takeuchi, Kensuke Okimori, Eri Inobe, Kenji Oosawa

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY, 78(9) 1560-1563, Sep, 2014
SptP(106-136) plays a role in the complex formation with SptP-specific chaperone SicP

Fumio Hayashi, Yurie Kawashima, Shinobu Takeuchi, Kensuke Okimori, Eri Inobe, Kenji Oosawa

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY, 78(9) 1560-1563, Sep, 2014
Key amino acid residues involved in the transitions of L-to R-type protofilaments of the Salmonella flagellar filament

Fumio Hayashi, Hidetoshi Tomaru, Eiji Furukawa, Kanae Ikeda, Hiroko Fukano, Kenji Oosawa

Journal of Bacteriology, 195(16) 3503-3513, 2013
Key amino acid residues involved in the transitions of L-to R-type protofilaments of the Salmonella flagellar filament

Fumio Hayashi, Hidetoshi Tomaru, Eiji Furukawa, Kanae Ikeda, Hiroko Fukano, Kenji Oosawa

Journal of Bacteriology, 195(16) 3503-3513, 2013
サルモネラ菌復帰変異体べん毛繊維のらせん構造と機能

林史夫, 都丸英敏, 大澤研二

高分子論文集, 67(12) 666-678, 2010
Raman optical activity of flagellar filaments of Salmonella: Unusually intense ROA from L-type self-assembled protein filaments and their possible higher level chiral organization

Tomonori Uchiyama, Masashi Sonoyama, Yoshiaki Hamada, Rina K. Dukor, Laurence A. Nafie, Fumio Hayashi, Kenji Oosawa

VIBRATIONAL SPECTROSCOPY, 48(1) 65-68, Sep, 2008
Raman optical activity of flagellar filaments of Salmonella: Unusually intense ROA from L-type self-assembled protein filaments and their possible higher level chiral organization

Tomonori Uchiyama, Masashi Sonoyama, Yoshiaki Hamada, Rina K. Dukor, Laurence A. Nafie, Fumio Hayashi, Kenji Oosawa

VIBRATIONAL SPECTROSCOPY, 48(1) 65-68, Sep, 2008
pH Dependence of Rheological Properties of the Mixture of Gelatin and Agar

Y. Toyama, C. Yaginuma, M. Yamakawa, K. Kubota, N. Shimizu, F. Hayashi, K. Oosawa

TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 33, NO 2, 33(2) 483-486, 2008
pH Dependence of Rheological Properties of the Mixture of Gelatin and Agar

Y. Toyama, C. Yaginuma, M. Yamakawa, K. Kubota, N. Shimizu, F. Hayashi, K. Oosawa

TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 33, NO 2, 33(2) 483-486, 2008
Raman spectroscopic study on the L-type straight flagellar filament of Salmonella

Tomonori Uchiyama, Masashi Sonoyama, Yoshiaki Hamada, Mamoru Komatsu, Rina K. Dukor, Laurence A. Nafie, Kenji Oosawa

VIBRATIONAL SPECTROSCOPY, 42(2) 192-194, Nov, 2006
Raman spectroscopic study on the L-type straight flagellar filament of Salmonella

Tomonori Uchiyama, Masashi Sonoyama, Yoshiaki Hamada, Mamoru Komatsu, Rina K. Dukor, Laurence A. Nafie, Kenji Oosawa

VIBRATIONAL SPECTROSCOPY, 42(2) 192-194, Nov, 2006
Analysis of tandem repeats found in 44 prokaryotic genomes

OOSAWA KENJI, S. Mizuta, H. Munakata, A. Aimaiti, I. Oya, T. Shimizu

In Silico Biol., 6:0014, 2006
Analysis of tandem repeats found in 44 prokaryotic genomes

OOSAWA KENJI, S. Mizuta, H. Munakata, A. Aimaiti, I. Oya, T. Shimizu

In Silico Biol., 6:0014, 2006
In vitro characterization of FlgB, FlgC, FlgF, FlgG, and FliE, flagellar basal body proteins of Salmonella

Y Saijo-Hamano, N Uchida, K Namba, K Oosawa

JOURNAL OF MOLECULAR BIOLOGY, 339(2) 423-435, May, 2004
In vitro characterization of FlgB, FlgC, FlgF, FlgG, and FliE, flagellar basal body proteins of Salmonella

OOSAWA KENJI, Yumiko Saijo-Hamano, Naoko Uchida, Keiichi Namba

J. Mol. Biol., 339:423-435, 2004
Evaluation of the color-coding method for searching tandem repeats in prokaryotic genomes

Satoshi Mizuta, Hikaru Munakata, Abulimiti Aimaiti, Kenji Oosawa, Toshio Shimizu

Chem-Bio Informatics Journal, 4(4) 133-141, 2004
Evaluation of the color-coding method for searching tandem repeats in prokaryotic genomes

Satoshi Mizuta, Hikaru Munakata, Abulimiti Aimaiti, Kenji Oosawa, Toshio Shimizu

Chem-Bio Informatics Journal, 4(4) 133-141, 2004
Effect of intracellular pH on rotational speed of bacterial flagellar motors

T Minamino, Y Imae, F Oosawa, Y Kobayashi, K Oosawa

JOURNAL OF BACTERIOLOGY, 185(4) 1190-1194, Feb, 2003

Books and Other Publications

Molecular Self-Assembly: Advances in Chemistry, Biology and Nanotechnology, Eds James P. Comrie

Nova Publishers, 2013
Molecular Self-Assembly: Advances in Chemistry, Biology and Nanotechnology, Eds James P. Comrie

Nova Publishers, 2013
Techniques for Molecular Engineering

1986
分子を操る技術(共著)

読売新聞社, 1986
Techniques for Molecular Engineering

1986

Presentations

105

In vitro polymorphic transformation of flagellar filaments with mutations in a domain including the key amino acids

Shiori Hirose, Hidetoshi Tomaru, Yuuka Sashida, Yuka Kobayashi, Kana Horiguchi, Mikako Tsubaki, Fumio Hayashi, Kenji Oosawa

The 57th Annual Meeting of the Biophysical Society of Japan, Sep 25, 2019
興味深いべん毛多型変換の詳細な解析と関与するアミノ酸側鎖の相互作用の推測

廣瀬詩織, 椿実加子, 堀口佳那, 大澤研二

第８回日本生物物理学会関東支部会, Mar 5, 2019
Novel Properties of Bacterial Flagellar Motor Revealed by Analyses of Motile Pseudorevertants

Bacterial Flagella, Injectisomes and Type III Secretion Systems, 2017
Novel Properties of Bacterial Flagellar Motor Revealed by Analyses of Motile Pseudorevertants

Bacterial Flagella, Injectisomes and Type III Secretion Systems, 2017
Novel Properties of Bacterial Flagellar Motor Revealed by Analyses of Motile Pseudorevertants

EMN Dubai Meeting, 2016
Novel Properties of Bacterial Flagellar Motor Revealed by Analyses of Motile Pseudorevertants

EMN Dubai Meeting, 2016
サルモネラ菌べん毛モーターにおけるMotAMet-206の役割

日本生物物理学会年会, 2016
サルモネラ菌べん毛多型変異体の様々な環境下でのべん毛繊維多型変換

第５回日本生物物理学会関東支部会, 2016
短いべん毛繊維を構成する変異体フラジェリンの会合能

第５回日本生物物理学会関東支部会, 2016
Role of MotA Met-206 in Salmonella flagellar motor

The 53rd Annual Meeting of the Biophysical Society of Japan, 2015
サルモネラ菌べん毛繊維の構造を制御するAla427の部位特異的変異体の作製と表現型解析

第４回日本生物物理学会関東支部会, 2015
Role of MotA Met-206 in Salmonella flagellar motor

The 53rd Annual Meeting of the Biophysical Society of Japan, 2015
Mechanical strength of flagellar motors of Salmonella MS ring mutant

The sixth international symposium of aero aqua bio-mechanisms, 2014
サルモネラ菌べん毛繊維の多型変換におけるGlu114とGlu121の役割

第５２回日本生物物理学会年会, 2014
MotAに点変異を持つ細菌べん毛モーターの出力特性解析

第５２回日本生物物理学会年会, 2014
サルモネラ菌べん毛繊維の多型変換のメカニズムに関わるアミノ酸残基の推測

第３回日本生物物理学会関東支部会, 2014
Mechanical strength of flagellar motors of Salmonella MS ring mutant

The sixth international symposium of aero aqua bio-mechanisms, 2014
サルモネラべん毛繊維の多型変換におけるフラジェリンArg４３１の役割

第５１回日本生物物理学会年会, 2013
MSリングに変異の入ったサルモネラ菌べん毛モーターとそのシュードリバータントの構造安定性と回転特性

第５１回日本生物物理学会年会, 2013
Interactions of SicP with SptP subdomains in SicP-binding domain

第５０回日本生物物理学会年会, 2012

Professional Memberships

Industrial Property Rights

- プロテアーゼ除去方法

西條(濱野, 由見子, 大澤研二, 難波啓一
- Method and apparatus for revealing latent characteristics existing in symbolic sequences

Tetsuhiko Yoshida, Kenji Oosawa, Nobuaki Obata
- Method and apparatus for manifesting characteristic existing in symbolic sequence

Tetsuhiko Yoshida, Kenji Oosawa, Nobuaki Obata
- Apparatus for manifesting latent characteristics existing in sequences of symbols

Tetsuhiko Yoshida, Kenji Oosawa, Nobuaki Obata
- 記号列の特徴顕在化方法

吉田徹彦, 大澤研二, 尾畑伸明