Red fluorescent proteins engineered from green fluorescent proteins.

Hiromi Imamura, Shiho Otsubo, Mizuho Nishida, Norihiro Takekawa, Katsumi Imada

Proceedings of the National Academy of Sciences of the United States of America　Vol. 120　No. 45　2023/11/07　Research paper (scientific journal)

Structure of MotA, a flagellar stator protein, from hyperthermophile.

Tatsuro Nishikino, Norihiro Takekawa, Duy Phuoc Tran, Jun-Ichi Kishikawa, Mika Hirose, Sakura Onoe, Seiji Kojima, Michio Homma, Akio Kitao, Takayuki Kato, Katsumi Imada

Biochemical and biophysical research communications　Vol. 631　p. 78-85　2022/11/26　Research paper (scientific journal)

Formation of multiple flagella caused by a mutation of the flagellar rotor protein FliM in Vibrio alginolyticus.

Michio Homma, Norihiro Takekawa, Kazushi Fujiwara, Yuxi Hao, Yasuhiro Onoue, Seiji Kojima

Genes to cells : devoted to molecular & cellular mechanisms　Vol. 27　No. 9　p. 568-578　2022/09　Research paper (scientific journal)

Structural basis of ubiquitin recognition by a bacterial OTU deubiquitinase LotA

Norihiro Takekawa, Tomoko Kubori, Tomoya Iwai, Hiroki Nagai, Katsumi Imada

Journal of Bacteriology　Vol. 204　No. 1　2022/01/18　Research paper (scientific journal)

A slight bending of an α-helix in FliM creates a counterclockwise-locked structure of the flagellar motor in Vibrio.

Norihiro Takekawa, Tatsuro Nishikino, Toshiki Yamashita, Kiyoshiro Hori, Yasuhiro Onoue, Kunio Ihara, Seiji Kojima, Michio Homma, Katsumi Imada

Journal of biochemistry　Vol. 170　No. 4　p. 531-538　2021/12/04　Research paper (scientific journal)

ZomB is essential for chemotaxis of Vibrio alginolyticus by the rotational direction control of the polar flagellar motor.

Norihiro Takekawa, Tatsuro Nishikino, Kiyoshiro Hori, Seiji Kojima, Katsumi Imada, Michio Homma

Genes to cells　Vol. 26　No. 11　p. 927-937　2021/11　Research paper (scientific journal)

The FlhA linker mediates flagellar protein export switching during flagellar assembly

Yumi Inoue, Miki Kinoshita, Mamoru Kida, Norihiro Takekawa, Keiichi Namba, Katsumi Imada, Tohru Minamino

Communications Biology　Vol. 4　No. 1　2021/05/31　Research paper (scientific journal)

Two Distinct Conformations in 34 FliF Subunits Generate Three Different Symmetries within the Flagellar MS-Ring

Norihiro Takekawa, Akihiro Kawamoto, Mayuko Sakuma, Takayuki Kato, Seiji Kojima, Miki Kinoshita, Tohru Minamino, Keiichi Namba, Michio Homma, Katsumi Imada

mBio　Vol. 12　No. 2　2021/03/02　Research paper (scientific journal)

In situ structure of the Vibrio polar flagellum reveals distinct outer membrane complex and its specific interaction with the stator.

Shiwei Zhu, Tatsuro Nishikino, Norihiro Takekawa, Hiroyuki Terashima, Seiji Kojima, Katsumi Imada, Michio Homma, Jun Liu

Journal of Bacteriology　Vol. 202　No. 4　2019/11　Research paper (scientific journal)

Structure of Vibrio FliL, a New Stomatin-like Protein That Assists the Bacterial Flagellar Motor Function.

Takekawa N, Isumi M, Terashima H, Zhu S, Nishino Y, Sakuma M, Kojima S, Homma M, Imada K

mBio　Vol. 10　No. 2　2019/03　Research paper (scientific journal)

The role of conserved charged residues in the bidirectional rotation of the bacterial flagellar motor.

Yasuhiro Onoue, Norihiro Takekawa, Tatsuro Nishikino, Seiji Kojima, Michio Homma

MicrobiologyOpen　Vol. 7　No. 4　2018/03

Localization and domain characterization of the SflA regulator of flagellar formation in Vibrio alginolyticus

Satoshi Inaba, Takehiko Nishigaki, Norihiro Takekawa, Seiji Kojima, Michio Homma

GENES TO CELLS　Vol. 22　No. 7　p. 619-627　2017/07　Research paper (scientific journal)

Mutational analysis and overproduction effects of MotX, an essential component for motor function of Na⁺-driven polar flagella of Vibrio

Norihiro Takekawa, Seiji Kojima, Michio Homma

JOURNAL OF BIOCHEMISTRY　Vol. 161　No. 2　p. 159-166　2017/02　Research paper (scientific journal)

HubP, a Polar Landmark Protein, Regulates Flagellar Number by Assisting in the Proper Polar Localization of FlhG in Vibrio alginolyticus

Norihiro Takekawa, Soojin Kwon, Noriko Nishioka, Seiji Kojima, Michio Homma

JOURNAL OF BACTERIOLOGY　Vol. 198　No. 22　p. 3091-3098　2016/11　Research paper (scientific journal)

The tetrameric MotA complex as the core of the flagellar motor stator from hyperthermophilic bacterium

Norihiro Takekawa, Naoya Terahara, Takayuki Kato, Mizuki Gohara, Kouta Mayanagi, Atsushi Hijikata, Yasuhiro Onoue, Seiji Kojima, Tsuyoshi Shirai, Keiichi Namba, Michio Homma

SCIENTIFIC REPORTS　Vol. 6　2016/08　Research paper (scientific journal)

Serine suppresses the motor function of a periplasmic PomB mutation in the Vibrio flagella stator

Tatsuro Nishikino, Shiwei Zhu, Norihiro Takekawa, Seiji Kojima, Yasuhiro Onoue, Michio Homma

GENES TO CELLS　Vol. 21　No. 5　p. 505-516　2016/05　Research paper (scientific journal)

Sodium-driven energy conversion for flagellar rotation of the earliest divergent hyperthermophilic bacterium

Norihiro Takekawa, Masayoshi Nishiyama, Tsuyoshi Kaneseki, Tamotsu Kanai, Haruyuki Atomi, Seiji Kojima, Michio Homma

SCIENTIFIC REPORTS　Vol. 5　2015/08　Research paper (scientific journal)

Contribution of Many Charged Residues at the Stator-Rotor Interface of the Na⁺ -Driven Flagellar Motor to Torque Generation in Vibrio alginolyticus

Norihiro Takekawa, Seiji Kojima, Michio Homma

JOURNAL OF BACTERIOLOGY　Vol. 196　No. 7　p. 1377-1385　2014/04　Research paper (scientific journal)

1P196 Effect of mutations in FliG and PomB on rotational direction of flagellar motor in Vibrio alginolyticus(12. Cell biology,Poster,The 52nd Annual Meeting of the Biophysical Society of Japan(BSJ2014))

Nishikino Tatsuro, Onoue Yasuhiro, Takekawa Norihiro, Zhu Shiwei, Kojima Seiji, Homma Michio

Seibutsu Butsuri　Vol. 54　No. 1　2014

2P178 The bidirectional role of conserved charged residues in rotor-stator interaction in a rotary motor of bacterial flagella(12. Cell biology,Poster,The 52nd Annual Meeting of the Biophysical Society of Japan(BSJ2014))

Onoue Yasuhiro, Takekawa Norihiro, Nishikino Tatsuro, Kojima Seiji, Homma Michio

Seibutsu Butsuri　Vol. 54　No. 1　2014

1P174 Attempt to reconstruct the stator complex of the bacterial Na^+-driven flagellar motor into Nanodisc(12. Cell biology,Poster,The 52nd Annual Meeting of the Biophysical Society of Japan(BSJ2014))

Gohara Mizuki, Takekawa Norihiro, Miyanoiri Yohei, Kainosho Masatune, Kojima Seiji, Homma Michio

Seibutsu Butsuri　Vol. 54　No. 1　2014

Fluorescence imaging of GFP-fused periplasmic components of Na+-driven flagellar motor using Tat pathway in Vibrio alginolyticus

Norihiro Takekawa, Seiji Kojima, Michio Homma

JOURNAL OF BIOCHEMISTRY　Vol. 153　No. 6　p. 547-553　2013/06　Research paper (scientific journal)

Na+ conductivity of the Na+-driven flagellar motor complex composed of unplugged wild-type or mutant PomB with PomA

Norihiro Takekawa, Takashi Terauchi, Yusuke V. Morimoto, Tohru Minamino, Chien-Jung Lo, Seiji Kojima, Michio Homma

JOURNAL OF BIOCHEMISTRY　Vol. 153　No. 5　p. 441-451　2013/05　Research paper (scientific journal)

3P196 Flagellar stator protein of Vibrio PomA alone could form multimeric complex(12. Cell biology,Poster)

Gohara Mizuki, Takekawa Norihiro, Miyanoiri Yohei, Kainosho Masatune, Kojima Seiji, Homma Michio

Seibutsu Butsuri　Vol. 53　No. 1　2013

3P200 Characterization of the stator proteins of flagellar motor from extreme thermophile Aquifex aeolicus(12. Cell biology,Poster)

Takekawa Norihiro, Gohara Mizuki, Kojima Seiji, Homma Michio

Seibutsu Butsuri　Vol. 53　No. 1　2013

Characterization of PomA Mutants Defective in the Functional Assembly of the Na+-Driven Flagellar Motor in Vibrio alginolyticus

Norihiro Takekawa, Na Li, Seiji Kojima, Michio Homma

JOURNAL OF BACTERIOLOGY　Vol. 194　No. 8　p. 1934-1939　2012/04　Research paper (scientific journal)

2I1534 Synergetic effects of the mutations of charged residues between the rotor and the stator in the Na^+-driven flagellar motor(Cell Biology II: Prokaryotes,Oral Presentation,The 50th Annual Meeting of the Biophysical Society of Japan)

Takekawa Norihiro, Kojima Seiji, Homma Michio

Seibutsu Butsuri　Vol. 52　2012

Mutations Targeting the C-Terminal Domain of FliG Can Disrupt Motor Assembly in the Na⁺-Driven Flagella of Vibrio alginolyticus

Seiji Kojima, Natsumi Nonoyama, Norihiro Takekawa, Hajime Fukuoka, Michio Homma

JOURNAL OF MOLECULAR BIOLOGY　Vol. 414　No. 1　p. 62-74　2011/11　Research paper (scientific journal)